Hawaii Pacific GIS Conference 2012: Survey and Positioning - Natural Resources Applications of GIS/GPS on Guam

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

kcochrane@swca.com

Tanya Johnson – Honolulu Office Director

tjohnson@swca.com

Michelle Christy – Senior Scientist & Guam Office

Manager mchristy@swca.com

John Ford – Senior Biologist & Program Director

jford@swca.com