LEGEND

NOTES

LOCATION

GEODETIC INFORMATION

SCALE

PROJECT TITLE

685000 690000 695000 700000 705000 710000 715000 720000 725000 730000 735000 740000

685000 690000 695000 700000 705000 710000 715000 720000 725000 730000 735000 740000

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Colour BandingBathymetry

Metres

PACIFIC ISLANDS APPLIED GEOSCIENCE COMMISSIONPrivate Mail Bag, GPO, Suva, Fiji Islands

www.sopac.org

Geodetic datumEllipsoid Projection

Horizontal positioning

WGS84WGS84UTM Zone 59 North

Stand alone GPS

Date of Survey Area (a)Date of Survey Area (b)Acquisition system Area (a)Acquisition system Area (b)Collection softwareProcessing softwareData presentationSurvey vessel

Observed soundings have been reduced to Chart Datum using predicted water levels for Abaiang as defined by the Admiralty Tide Tables (2005), Pacific Ocean, Vol 4, UK Hydrographic Office.

03/08 to 19/08/199915/09 to 13/10/2005Odom echotrack singlebeam echosounderReson SeaBat 8160 multibeam echosounderHypack 4.3Hypack 4.3ASurfer 8.03R.V. Summer Spirit

KIRIBATIABAIANG

COMPOSITE BATHYMETRY

Scale 1 : 75 000

A0 Original

SOPAC/EU Project:Reducing Vulnerability of Pacific ACP States

DRAWING TITLE

Metres

150 Bathymetric contours are shown at 5, 50 and 200 metre intervals

Backdrop is an Ikonos image taken in April, 2004.

NOT TO BE USED FOR NAVIGATION

Drawn by: Ashishika Sharma and Jens Kruger. Report Reference: ER114. Drawing No.: ER114.1

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0 m

168°E 170°E 172°E 174°E 176°E 178°E 180°E-4°

-2°

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Banaba

TarawaAbaiang

Butaritari

Abemama

OnotoaTabiteuea

Nonouti

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Lagoon Ocean

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ab

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a SOPAC Single beam echosounder survey (1999)b SOPAC Multibeam echosounder survey (2005)c Multibeam echosounder survey data from RV Melville, SCRIPPS, 1999. http://www.ngdc.noaa.govd S2004 data from: Marks, K.M., and Smith, W.H.F., 2006. An evaluation of publicly available global bathymetry grids. Marine Geophysical Researches, 27, 19-34.

SOURCE DATA

b