USGS - science for a changing world

Open-File Report 2007-1176

Published 2007

EAARL Topography - Assateague Island National Seashore

John C. Brock1, C. Wayne Wright2, Matt Patterson 3, Amar Nayegandhi4, and Laurinda J. Travers5

1USGS, FISC St.Petersburg, FL,
2NASA,Wallops Flight Facility, Wallops Island, VA,
3NPS, South Florida/Caribbean Network Inventory and Monitoring Program, Miami, FL,
4 ETI Professionals, USGS, St. Petersburg, FL
5Eckerd College, USGS, St. Petersburg, FL

Project Description

This Web site contains 58 lidar-derived bare earth topography maps and GIS files for the Assateague Island National Seashore.

These lidar-derived topography maps were produced as a collaborative effort between the U.S. Geological Survey (USGS) Coastal and Marine Geology Program, FISC St. Petersburg, Florida, the National Park Service (NPS) South Florida/Caribbean Network Inventory and Monitoring Program, and the National Aeronautics and Space Administration (NASA) Wallops Flight Facility. One objective of this research is to create techniques to survey coral reefs and barrier islands for the purposes of geomorphic change studies, habitat mapping, ecological monitoring, change detection, and event assessment. As part of this project, data from an innovative instrument under development at the NASA Wallops Flight Facility, the NASA Experimental Airborne Advanced Research Lidar (EAARL) are being used. This sensor has the potential to make significant contributions in this realm for measuring subaerial and submarine topography wthin cross-environment surveys. High spectral resolution, water-column correction, and low costs were found to be key factors in providing accurate and affordable imagery to costal resource managers.

Sample Web Page and Link To Site

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Open-File Report 2007-1176


For scientific questions or comments, please send inquiries to John C. Brock (E-mail address:

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