U.S. Geological Survey Woods Hole Field CenterU.S. Geological Survey Woods Hole Field Center
Background, Data & VisualizationBackground, Data & Visualization
Matthew Arsenault USGS
Woods Hole Science Center
Current usSEABED data coverage (~340,000 data pts) and sediment mean grain size
Coastal & Marine Geology Program Coastal & Marine Geology Program (CMGP)(CMGP)
Publications: usSEABED Sediment Database
Integration of surficial & sub-bottom geophysical data, sediment grab, core, video, and photographic data
Sidescan Sonar Swath Bathymetry Seismic Reflection
Bottom Video and Photographs Samples
Sediment Core and Grab Samples
WHSC Sea Floor MappingWHSC Sea Floor Mapping
Geologic Mapping of the Sea FloorGeologic Mapping of the Sea Floor
USGS Coastal & Marine Geology ProgramUSGS Coastal & Marine Geology Program
Why Visualization?Why Visualization?
Just a few years Just a few years ago…we were still ago…we were still here in “flat mapland”here in “flat mapland”
USGS Coastal & Marine Geology ProgramUSGS Coastal & Marine Geology Program
Why Visualization?Why Visualization?
Just a few years Just a few years ago…we were still ago…we were still here in “flat mapland”here in “flat mapland”
USGS Coastal & Marine Geology ProgramUSGS Coastal & Marine Geology Program
Why Visualization?Why Visualization?
Cognitive learning studies show that geologists & earth scientists self-select to be able to understand the relationship between 2D maps and the 3D world.
Complexities of High-Resolution dataComplexities of High-Resolution data
RepeatabilityRepeatabilityMonitoring Change in Shoal MorphologyMonitoring Change in Shoal Morphology
1200 m
800 m
Rich Signell, USGS
Middle Ground (sand shoal), Vineyard Sound, Massachusetts
Water Depth ~5 – 20 m
Woods Hole, MA
Martha’s Vineyard Bedform Height~1- 6 m
