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73

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CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

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Map E2

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

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Ephemeral drainage line (poorly defined)

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,,

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type

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Colluvium

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Alluvium

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Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

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73

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51

73

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

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Map E3

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

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Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

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,,

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)), Rounded ridge line

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, Sharp convex break in slope

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type

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Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

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Terracettes

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CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

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Map E4

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

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Ephemeral drainage line (poorly defined)

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,,

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type

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type

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CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

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Map E5

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

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Ephemeral drainage line (poorly defined)

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,,

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type

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type

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CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

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Map E6

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

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Ephemeral drainage line (poorly defined)

Lineation

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,,

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, Sharp convex break in slope

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!(

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type

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Fill

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type

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73

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73

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

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Map E7

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

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)), Rounded ridge line

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, Sharp convex break in slope

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!(

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type

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Alluvium

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Fill

Unknown

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type

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Terracettes

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73

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73

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73

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

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E8

Map E8

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

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V Rounded concave break in slope

,,

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type

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Colluvium

Loess

Alluvium

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Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

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Terracettes

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GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

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Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

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description

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CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

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Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

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description

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GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

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PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

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Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

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description

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GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

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PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

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Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

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CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

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Map E13

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

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CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

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E14

Map E14

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

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,,

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, Sharp convex break in slope

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Interpreted Materials

type

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Colluvium

Loess

Alluvium

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Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

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Terracettes

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CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

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Map E15

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

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Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

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,,

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, Sharp convex break in slope

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type

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Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

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Beach

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Terracettes

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73

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0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

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Map E16

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

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Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

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,,

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, Sharp convex break in slope

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type

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Loess

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Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

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Beach

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Terracettes

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72

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72

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

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Map F2

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

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Ephemeral drainage line (poorly defined)

Lineation

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,,

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type

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type

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72

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

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Map F3

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

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Ephemeral drainage line (poorly defined)

Lineation

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,,

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type

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Fill

Unknown

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type

Rockfall (recent)

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Terracettes

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72

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

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E9E8E7E6E5E4E3E2

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Map F4

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

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,,

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)), Rounded ridge line

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, Sharp convex break in slope

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Interpreted Materials

type

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Colluvium

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Alluvium

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Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

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Terracettes

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72

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CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F4F3F2

E9E8E7E6E5E4E3E2

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F5

Map F5

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

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,,

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, Sharp convex break in slope

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type

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Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

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Terracettes

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72

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0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F5F4F3F2

E9E8E7E6E5E4E3E2

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D16D15D14D13D12D10

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F6

Map F6

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

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72

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0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F6F5F4F3F2

E9E8E7E6E5E4E3E2

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F7

Map F7

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

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Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

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Landslide scar (relict)

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51

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72

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51

72

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51

72

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F7F6F5F4F3F2

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F8

Map F8

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

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Landslide scar (relict)

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72

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72

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0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

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F9

Map F9

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

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Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

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72

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50

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51

72

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

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Map F10

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

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Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

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, Sharp convex break in slope

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!(!(

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type

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Loess

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Fill

Unknown

Genesis

type

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Rockfall (few scattered boulders)

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Terracettes

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0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

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Map F11

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

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, Sharp convex break in slope

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!(

!(!(

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type

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Colluvium

Loess

Alluvium

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Boulders

Fill

Unknown

Genesis

type

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Rockfall (few scattered boulders)

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Terracettes

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51

72

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0

51

72

50

0

51

72

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

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F12

Map F12

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

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Landslide scar (relict)

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71

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51

71

50

0

51

71

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

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G10G3

Map G3

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

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51

71

00

0

51

71

00

0

51

71

50

0

51

71

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

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A7A6

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C8

H3

D9D8D7D6

C2 C3 C4 C5 C6 C7

D5

C9

D1 D2 D3 D4

G3 G9G8G7G6G5

F11

E11

B11

A11

F10 F12

C11

D11

E16E15E14E13E12E10

B14B13B12B10

A12A10

G11

D16D15D14D13D12D10

C16C14C13C12C10

G10G4

Map G4

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

,,

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1570500

1571000

1571000

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1571500

51

71

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0

51

71

00

0

51

71

50

0

51

71

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H6H5H4

C8

H3

D9D8D7D6

C2 C3 C4 C5 C6 C7

D5

C9

D1 D2 D3 D4

G3 G9G8G7G6G4

F11

E11

B11

A11

F10 F12

C11

D11

E16E15E14E13E12E10

B14B13B12B10

A12A10

G11

D16D15D14D13D12D10

C16C14C13C12C10

G10G5

Map G5

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

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1572000

1572500

1572500

51

71

00

0

51

71

00

0

51

71

50

0

51

71

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H6H5H4

C8

H3

D9D8D7D6

C2 C3 C4 C5 C6 C7

D5

C9

D1 D2 D3 D4

G3 G9G8G7G5G4

F11

E11

B11

A11

F10 F12

C11

D11

E16E15E14E13E12E10

B14B13B12B10

A12A10

G11

D16D15D14D13D12D10

C16C14C13C12C10

G10G6

Map G6

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

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1573000

1573000

1573500

1573500

1574000

1574000

51

71

00

0

51

71

00

0

51

71

50

0

51

71

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H6H5H4

C8

H3

D9D8D7D6

C2 C3 C4 C5 C6 C7

D5

C9

D1 D2 D3 D4

G3 G9G8G6G5G4

F11

E11

B11

A11

F10 F12

C11

D11

E16E15E14E13E12E10

B14B13B12B10

A12A10

G11

D16D15D14D13D12D10

C16C14C13C12C10

G10G7

Map G7

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

,

,

,

,

, ,

,

, ,

,,

,

1574000

1574000

1574500

1574500

1575000

1575000

51

71

00

0

51

71

00

0

51

71

50

0

51

71

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H6H5H4

C8

H3

D9D8D7D6

C2 C3 C4 C5 C6 C7

D5

C9

D1 D2 D3 D4

G3 G9G7G6G5G4

F11

E11

B11

A11

F10 F12

C11

D11

E16E15E14E13E12E10

B14B13B12B10

A12A10

G11

D16D15D14D13D12D10

C16C14C13C12C10

G10G8

Map G8

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

�

,

1575500

1575500

1576000

1576000

51

71

00

0

51

71

00

0

51

71

50

0

51

71

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H6H5H4

C8

H3

D9D8D7D6

C2 C3 C4 C5 C6 C7

D5

C9

D1 D2 D3 D4

G3 G8G7G6G5G4

F11

E11

B11

A11

F10 F12

C11

D11

E16E15E14E13E12E10

B14B13B12B10

A12A10

G11

D16D15D14D13D12D10

C16C14C13C12C10

G10G9

Map G9

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

1576500

1576500

1577000

1577000

1577500

1577500

51

71

00

0

51

71

00

0

51

71

50

0

51

71

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H6H5

C8

H4H3

D9D8D7D6

C2 C3 C4 C5 C6 C7

D5

C9

D1 D2 D3 D4

G3 G9G8G7G6G5G4

F11

E11

B11

A11

F10 F12

C11

D11

E16E15E14E13E12E10

B14B13B12B10

A12A10

G11

D16D15D14D13D12D10

C16C14C13C12C10

G10

Map G10

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

1578000

1578000

1578500

1578500

51

71

00

0

51

71

00

0

51

71

50

0

51

71

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H6H5

C8

H4H3

D9D8D7D6

C2 C3 C4 C5 C6 C7

D5

C9

D1 D2 D3 D4

G3 G9G8G7G6G5G4

F11

E11

B11

A11

F10 F12

C11

D11

E16E15E14E13E12E10

B14B13B12B10

A12A10

D16D15D14D13D12D10

C16C14C13C12C10

G10 G11

Map G11

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

,

1568000

1568000

1568500

1568500

1569000

1569000

51

70

00

0

51

70

00

0

51

70

50

0

51

70

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H6H5H4

C7

D9D8D7D6D5D4

C2 C3 C4 C5 C6

D3

C8 C9

D1 D2

G3 G9G8G7G6G5G4

F11

E11

B11

A11

F10 F12

C11

D11

E16E15E14E13E12E10

B14B13B12B10

A12A10

G11

D16D15D14D13D12D10

C16C14C13C12C10

G10

H3

Map H3

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

�

�

�

�

�

�

�

�

�

��

�

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,

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��

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,

,�

,

1569500

1569500

1570000

1570000

51

70

00

0

51

70

00

0

51

70

50

0

51

70

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H6H5H3

C7

D9D8D7D6D5D4

C2 C3 C4 C5 C6

D3

C8 C9

D1 D2

G3 G9G8G7G6G5G4

F11

E11

B11

A11

F10 F12

C11

D11

E16E15E14E13E12E10

B14B13B12B10

A12A10

G11

D16D15D14D13D12D10

C16C14C13C12C10

G10

H4

Map H4

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

,

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70

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CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

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G11

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G10

H5

Map H5

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

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)), Rounded ridge line

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, Sharp convex break in slope

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!(

!(!(

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Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

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51

70

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70

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51

70

50

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51

70

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H5H4H3

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D3

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B11

A11

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G10

H6

Map H6

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

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!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

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Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

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Terracettes

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0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I5 I6

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

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A7A6

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D3

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G10

I4

Map I4

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

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1571500

1571500

51

69

00

0

51

69

00

0

51

69

50

0

51

69

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

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Map I5

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

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, Sharp convex break in slope

�

Cliff

!(

!(!(

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Interpreted Materials

type

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Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

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Landslide scar (relict)

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1572000

1572500

1572500

51

69

00

0

51

69

00

0

51

69

50

0

51

69

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I5

J4 J6J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H5 H6H4H3

C7

D9D8D7D6D5D4

C2 C3 C4 C5 C6

D3

C8 C9

D1 D2

G3 G9G8G7G6G5G4

F11

E11

A11

B11

F10 F12

C11

D11

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B14B13B12B10

A12A10

G11

D16D15D14D13D12D10

C16C14C13C12C10

G10

I6

Map I6

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

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1569500

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1570000

51

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51

68

00

0

51

68

50

0

51

68

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J5 J6

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H5 H6H4H3

C7

D9D8D7D6D5D4

C2 C3 C4 C5 C6

D3

C8 C9

D1 D2

G3 G9G8G7G6G5G4

F11

E11

A11

B11

F10 F12

C11

D11

E16E15E14E13E12E10

B14B13B12B10

A12A10

G11

D16D15D14D13D12D10

C16C14C13C12C10

G10

J4

Map J4

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

,

,

,,

,

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,

,

1570500

1570500

1571000

1571000

1571500

1571500

51

68

00

0

51

68

00

0

51

68

50

0

51

68

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J6

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H5 H6H4H3

C7

D9D8D7D6D5D4

C2 C3 C4 C5 C6

D3

C8 C9

D1 D2

G3 G9G8G7G6G5G4

F11

E11

A11

B11

F10 F12

C11

D11

E16E15E14E13E12E10

B14B13B12B10

A12A10

G11

D16D15D14D13D12D10

C16C14C13C12C10

G10

J5

Map J5

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

,

,

,

,

,

,

,,,

,

,

,

,

,

, ,

,

,

,

,

,

,

1572000

1572000

1572500

1572500

51

68

00

0

51

68

00

0

51

68

50

0

51

68

50

0±

CR2012/15

GEOMORPHOLOGY MAPPING FOR ROCKFALL RISK ASSESSMENT

Port HillsChristchurch

PROJECTION: New Zealand Transverse Mercator 2000.REPORT: DATE:

Sept 2012

0 100 200m

SCALE BAR:

EXPLANATION:

Background shade model derived from NZAM post-earthquake 2011c (July 2011) LiDAR survey resampled to a 1m ground resolution.

APPENDIX 4

DRW:

CHK:

DBT

CM

I4 I6I5

J4 J5

F9F8F7F6F5F4F3F2

E9E8E7E6E5E4E3E2

B9B8B7B6B5B4

A7A6

H5 H6H4H3

C7

D9D8D7D6D5D4

C2 C3 C4 C5 C6

D3

C8 C9

D1 D2

G3 G9G8G7G6G5G4

F11

E11

A11

B11

F10 F12

C11

D11

E16E15E14E13E12E10

B14B13B12B10

A12A10

G11

D16D15D14D13D12D10

C16C14C13C12C10

G10

J6

Map J6

Roads provided by Christchurch City Council (20/02/2012).

1: 5000

FINAL

Morphology

description

Boulder trail

Dike

Bund

Ephemeral drainage line (well defined)

Ephemeral drainage line (poorly defined)

Lineation

Sharp lineation (crack)

V Rounded concave break in slope

,,

Rounded convex break in slope

)), Rounded ridge line

V Sharp concave break in slope

, Sharp convex break in slope

�

Cliff

!(

!(!(

Shelter belt/trees

Interpreted Materials

type

Rock at/near surface

Talus

Colluvium

Loess

Alluvium

Sand and gravel

Boulders

Fill

Unknown

Genesis

type

Rockfall (recent)

Rockfall (many scattered boulders)

Rockfall (few scattered boulders)

Dune

Beach

Rills

Terracettes

Fan

Landslide scar (recent)

Landslide scar (relict)

Swamp/wetland

1 Fairway Drive

Avalon

PO Box 30368

Lower Hutt

New Zealand

T +64-4-570 1444

F +64-4-570 4600

Dunedin Research Centre

764 Cumberland Street

Private Bag 1930

Dunedin

New Zealand

T +64-3-477 4050

F +64-3-477 5232

Wairakei Research Centre

114 Karetoto Road

Wairakei

Private Bag 2000, Taupo

New Zealand

T +64-7-374 8211

F +64-7-374 8199

National Isotope Centre

30 Gracefield Road

PO Box 31312

Lower Hutt

New Zealand

T +64-4-570 1444

F +64-4-570 4657

Principal Location

www.gns.cri.nz

Other Locations