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 101 - 110 of 159 listed by similarity [list alphabetically]

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 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.
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.).
Nationalatlas.gov - National Atlas of the United States [More info]: Portal to general information on the National Atlas of the United States with access for producing specialized maps and links to thematic maps including interactive maps, multimedia maps, map layers data warehouse, wall maps, and printable maps.
Natural Hazards Support System [More info]: Shows where current natural hazard events are occurring within the US or worldwide, with information about the geographic extent of the hazard, the US agency engaged to work on it, and how long the hazard is expected be active.
Net Ecosystem Production (NEP) of the Great Plains, United States [More info]: Geographic analysis of the changes in storage and release of carbon in this large area as land use patterns, especially agriculture, have changed.

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