USGS: Science Topics: geography

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Geography

Study of the earth's landforms, topography, and climate, the distribution of flora and fauna, and the distribution, culture, and activities of human populations.

Subtopics:
Cartography (64 items)
Paleogeography (1 items)

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Results 91 - 100 of 159 listed alphabetically [list by similarity]

Multibeam mapping of selected areas of the outer continental shelf, northwestern Gulf of Mexico: data, images, and GIS [More info]: Report provides the multibeam bathymetry and acoustic backscatter data, images, FGDC-compliant metadata, and GIS data from the 2002 surveys and 1997 USGS surveys of the Gulf.
National Aerial Photography Program (NAPP)- Ordering Aerial Photography [More info]: Enables locating and ordering aerial photography produced under the National Aerial Photography Program (NAPP)from the EROS data center with links to product description, prices, search & order, custom enlargements and certification.
National Atlas Map Maker - Map layers [More info]: Links to hundreds of map layers of geospatial information listed by subjects for use with the National Atlas Map Maker to assemble, view, and print customized maps using one or more of the layers.
National Cooperative Geologic Mapping Program [More info]: Geological mapping carried out by USGS in close cooperation with state, university, and federal partners. Includes general information about geological maps and mapping standards.
National Enhanced Elevation Assessment at a glance [More info]: We asked what enhanced elevation data people need, what would be the costs and benefits, and what would be the best ways to obtain these data.
National Geospatial Program [More info]: Provides leadership for USGS geospatial coordination, production and service activities.
National Geospatial Technical Operations Center [More info]: Organizational unit within USGS supporting acquisition and management of trusted geospatial data, products, and services needed for The National Map, the National Atlas, and related efforts.
National Mapping Program standards [More info]: 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.
National Satellite Land Remote Sensing Data Archive [More info]: 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.).
National hydrography dataset--linear referencing [More info]: Explains how the NHD specifies point locations within streams by using a code to indicate the reach (including the hydrologic unit) and a measure, which indicates how far the point is from the downstream end of the reach.

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