Acquiring information about a natural feature or phenomenon, such as the Earth's surface, without actually being in contact with it. USGS remote sensing is usually carried out with airborne or spaceborne sensors or cameras.
Links to standards prepared under the National Mapping Program to produce and maintain top quality mapping and geospatial data products. Documents may be viewed and downloaded in PDF and HTML formats with links to related information.
USGS Archive for preservation and access for satellite remote sensing data and imagery (Landsat and AVHRR). Links to locating and ordering imagery, international collaborators, advisory committee, and Earthshots (satellite photos.).
Homepage for the National Land Cover Data (NLCD), a land cover classification scheme, for the United States based on data derived from Landsat Thematic Mapper satellite data. Includes links to description, products, accuracy, and program partners.
Site for the Optical Science Laboratory specializing in expert calibration of aerial mapping cameras with links to fees, scheduling cameras for calibration, historical camera database files, USGS aerial camera specifications, and how to visit.
Overview of studies of fragile and active landscape of the American Southwest deserts, including projects on geologic mapping, surface processes, remote sensing research, ecological processes, and earthquake hazard applications.
Site to learn about, view, and order digital image vegetation condition (greenness) maps of the conterminous U.S. based on the Normalized Difference Vegetation Index (NDVI) with imagery from Advanced High Resolution Radiometer (AVHRR).