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 61 - 70 of 159 listed alphabetically [list by similarity]

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.
Introduction to geologic mapping [More info]: A brief summary of the principles and practices of geologic mapping.
Introduction to geospatial semantics and technology workshop handbook [More info]: Tutorial on geospatial semantics with hands-on exercises using standard Web browsers, divided into two sections, general semantics on the Web and specific examples of geospatial semantics using data from The Open Ontology Repository.
Joint Agency Commercial Imagery Evaluation (JACIE) [More info]: Interagency coordination group to understand quality and usefulness of remote sensing data
Lake Tahoe Data Clearinghouse [More info]: This website is a gateway to information and data on Lake Tahoe with links to Lake Tahoe Initiative, geography, history, lake facts, GIS Data, DEM, DOQ, DLG imagery, bathymetry, satellite imagery, land cover, census, soils, pictures, and general maps.
Land Processes Distributed Active Archive Center (DAAC) [More info]: Homepage of the Land Processes DAAC, which processes, archives, and distributes land-related data collected by Earth Observing System (EOS) sensors. Links to data products including ETM+ Landsat data, ASTER data, and MODIS land products.
Land Remote Sensing Program [More info]: Land Remote Sensing Program (LRS) provides a primary source of remotely sensed data and applications of land remote sensing, nationally and internationally.
Land use and land cover classification system for use with remote sensor data [More info]: Framework of a national land use and land cover classification system for use with remote sensor data.
Land use history of North America (LUHNA) [More info]: Report prepared with NASA on the importance of a historical context for understanding ongoing changes in land cover and land use in North America and the effect on the environment. Site contains primarily contents of a book edited by T.D. Sisk.
Land-use and land-cover scenarios and spatial modeling at the regional scale [More info]: Complex geographic information can be analyzed with mathematical models to show us the spatial patterns of human building, vegetation growth, and other landscape characteristics that may result from environmental changes we may expect in the future.

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