Land surface characteristics
Features and attributes of earth's land surface.
USGS Geography Products [ More info] USGS mapping sciences page containing links describing cartographic and geographic products and programs. The information products are available in printed and digital formats.
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.
Watershed processes and modeling [ More info] Links to published materials produced by the Watershed Processes and Modeling Project on watershed model TOPMODEL, compilation of STATSGO soils data, climate change, landscape heterogeneity in ecoregions, and other links.
Western Region Geology and Geophysics Center [ More info] Overview of the research of this organizational unit with links to projects and activities and to geologic information on the western U.S.
Alphabetical Index of Topics
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