USGS: Science Topics: geography

Science Topics

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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 151 - 159 of 159 listed by similarity [list alphabetically]

Use of Light Detection and Ranging (LiDAR) to Obtain High-Resolution Elevation Data for Sussex County, Delaware [More info]: Methods and techniques used to collect and process LiDAR elevation data, the generation of the digital elevation model (DEM) and the 2-foot contours, and the quality-assurance procedures and results.
USGS activities in Nevada [More info]: Homepage for USGS projects in Nevada with links to geography, biology, geology and water projects, news items, customers, Frequently Asked Questions (FAQs), education, recreation, data, studies, and publications on Nevada.
USGS Alaska State Mosaic [More info]: Using 172 Scenes from the Multi-Resolution Land Characteristics 2001 collection geometrically and radiometrically aligned, we produced seamless, relatively cloud-free image of the entire state.
USGS fact sheets [More info]: Access and listing of popular USGS publications listed by themes: resources, hazards, environment, information management, and states, and also by scientific discipline.
USGS maps [More info]: Overview of the types of maps sold and distributed by the USGS.
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.
View USGS maps and aerial photo images online [More info]: Links to selected partner sites where USGS maps and aerial photo images may be viewed with a web browser.
Volunteer Map Data Collection at the USGS [More info]: Describes past, current, planned, and experimental USGS programs and processes to permit citizen volunteers to collect geographic and cartographic data and information for incorporation into the USGS topographic map revision process.
Web-Based Geospatial Tools to Address Hazard Mitigation, Natural Resource Management, and Other Societal Issues [More info]: Discusses web resources recently developed to support ecosystem portfolio and land use modeling

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