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Overcoming Challenges of
Doing GIS and Remote Sensing
on Guam
Ken Cochrane – Guam’olulu GIS Specialist
Tanya Johnson – Honolulu Office Director
Michelle Christy – Guam Office Director
Hawaii Pacific GIS Conference 2012
March 6
SWCA Environmental Consultants
Employee-owned firm of scientists, planners and
technical specialists
Comprehensive environmental planning, regulatory
compliance, natural and cultural resource
management and GIS services.
Between our Honolulu and Guam offices we provide
all of these services
Where is
Guam
Japan
Philippines
Indonesia
China
Guam
CNMI
Overcoming Challenges –
Data Collection
Topography and environment
Karst cliffs
Rangefinder
Land access
DoD land
CORS availability
Power outages/typhoons
Growing demand for higher accuracy data
GPS/Rangefinder – Vegetation Mapping
Overcoming Challenges –
Data Processing
Data mobility over different software versions
Data availability
Less data creators
Hawaii.gov
Thanks to those who do make quality data
available: Gov Guam, NOAA, USDA, &
collaborators. DoD for contract specific data
Unique availability
Remote Sensing – Seagrass Mapping
TM (30x30) IKONOS (4x4) Quickbird (2x2)
Next
Generation
Due to confidentiality agreement raw imagery not displayed
Remote Sensing – Seagrass Mapping
Remote Sensing – Seagrass Mapping
Enhalus acoroides
Halodule uninervis
Visitor Use and COTS Study
Field Photo Geo-referenced Satellite Image
*
LIDAR – Guiding Manta Tow Data
Collection
In Summary
Creative approaches to data collection
Make most of data when data is available
Value added
Respect data confidentiality
Thank You.
Ken Cochrane – GIS Specialist
Tanya Johnson – Honolulu Office Director
Michelle Christy – Senior Scientist & Guam Office
Manager [email protected]
John Ford – Senior Biologist & Program Director
