USGS: Science Topics: LIDAR

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LIDAR

LIDAR (LIght Detection and Ranging) is an airborne laser-ranging technique commonly used for acquiring high-resolution topographic data.

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Geography

Results 1 - 17 of 17 listed by similarity [list alphabetically]

Lidar postcards [More info]: Four postcards available for downloading and printing, illustrating the use of lidar (light detection and ranging) to construct high-resolution topographic and habitat maps.
Hurricane and extreme storm impact studies: coastal and nearshore mapping with scanning airborne laser (LIDAR) [More info]: Airborne scanning laser surveys (LIDAR) are used to obtaining data to investigate the magnitude and causes of coastal changes that occur during severe storms. Links to examples of coastal mapping during specific hurricanes.
Mount St. Helens lidar [More info]: Poster available in two sizes for downloading and printing.
Use of Light Detection and Ranging (LiDAR) to Obtain High-Resolution Elevation Data for Sussex County, Delaware [More info]: Methods and techniques used to collect and process LiDAR elevation data, the generation of the digital elevation model (DEM) and the 2-foot contours, and the quality-assurance procedures and results.
Using terrestrial light detection and ranging (lidar) technology for land-surface analysis in the Southwest [More info]: Tripod-mounted lidar makes it inexpensive and efficient to measure and map geographic features that change with time, such as sand dunes and erosional features, and soil microtopography.
Coastal Change During Hurricane Isabel 2003 [More info]: Summary of study to document the impact of Hurricane Isabel in the Outer Banks of North Carolina, near Cape Hatteras. Methods included pre- and post-storm photography, videography, and lidar.
Coastal change during Hurricane Ivan 2004 [More info]: Summary of study to document the impact of Hurricane Ivan on the Gulf coast of Alabama near the Florida border.
Coastal storms and tsunamis [More info]: USGS responses to and studies of the hazards and impact of major hurricanes, tsunamis, and El Nino storms. Includes links to oblique aerial photography and LIDAR surveys recording coastal changes and other effects of storms and waves.
Flood inundation map library, Fort Kent, Maine [More info]: Severe flooding occurred in northern Maine from April 28 to May 1, 2008, and damage was extensive in the town. Aroostook County was declared a Federal disaster area. Our flood inundation maps were out of date, so we have updated them; this explains how.
Hurricane and extreme storm impact studies [More info]: Homepage for programs of the Center for Coastal Geology on hurricanes and extreme storms with links to technology, related aerial photography, hurricanes, El Nino, northeasters, and specific storms.
Integrated monitoring of ecological conditions in wetland-upland landscapes [More info]: Landscapes of interwoven wetlands and uplands offer a rich set of ecosystem goods and services. Changes in climate and land use can affect the value of those services. We study these areas to understand how they may be changing.
Inventory and protection of salt marshes from risks of sea-level rise at Acadia National Park, Maine [More info]: Will salt marshes survive if sea level rises quickly? The answer depends on whether the areas surrounding them can allow salt marsh fauna and flora to migrate there. Local topography, both natural and manmade, is the main factor limiting this migration.
Monitoring and analysis of sand dune movement and growth on the Navajo Nation, southwestern United States [More info]: We combine long-term records from aerial photographs, detailed mapping using survey-grade GPS, and ground-based lidar with meteorological monitoring. Sand dune migration rates are currently about 35 meters per year.
National Assessment of Coastal Change Hazards [More info]: The National Assessment of Coastal Change Hazards is a multi-year undertaking to identify and quantify the vulnerability of U.S. shorelines to coastal change hazards such as the effects of severe storms, sea-level rise, and shoreline erosion and retreat.
National Assessment of Shoreline Change Project [More info]: The Coastal and Marine Geology Program of the U.S. Geological Survey (USGS) is conducting an analysis of historical shoreline changes along open-ocean sandy shores of the conterminous United States and parts of Alaska and Hawaii.
USGS St. Petersburg Coastal and Marine Science Center [More info]: Extreme storms, sea-level rise, and the health of marine communities are some of the major societal and environmental issues studied by this part of USGS.
USGS St. Petersburg Coastal and Marine Science Center--Research activities in the U.S. Virgin Islands [More info]: Explains type of information we collect and the problems we study in this area, focusing on coral reef ecosystems, ocean acidification, and sea-level change.

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