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Topography
The shape of the land surface.
Subtopics:
Bathymetry (24 items)
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Results 1 - 61 of 89 listed by similarity [list alphabetically]
Data from the Shuttle Radar Topography Mission [More info]
Topographic observations from the SRTM, both original and reprocessed to correct missing and spurious data points.
Tapestry of time and terrain: union of two maps, geology and topography [More info]
Colored map compiled by merging geologic and topographic maps of the United States through computer processing and enhancement with links to panoramic movie using QuickTime, descriptions of features, and a game entitled Puzzle of Regions.
PDF 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.
PDF The 3D Elevation Program: summary for Alabama [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Alaska [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Arkansas [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state.
PDF The 3D Elevation Program: summary for California [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Colorado [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Florida [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Georgia [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state.
PDF The 3D Elevation Program: summary for Idaho [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Kentucky [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Louisiana [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Maine [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Maryland [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Massachusetts [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state.
PDF The 3D Elevation Program: summary for Minnesota [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Mississippi [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state.
PDF The 3D Elevation Program: summary for Missouri [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Montana [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for New Mexico [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for New York [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for North Carolina [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state.
PDF The 3D Elevation Program: summary for North Dakota [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Oklahoma [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Oregon [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Rhode Island [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for South Dakota [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Tennessee [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Texas [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Virginia [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Washington [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: summary for Wisconsin [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF The 3D Elevation Program: Summary of Program Direction [More info]
Summarizes the expected value over the next decade of the 3D Elevation Program for this state
PDF 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.
Access USGS - San Francisco Bay and Delta [More info]
Main page for accessing links for information and data on the San Francisco Bay estuary and its watershed with links to highlights, water, biology, wetlands, hazards, digital maps, geologic mapping, winds, bathymetry and overview of the Bay.
Aquatic features, bathymetry, and navigation structures in the upper Mississippi River [More info]
Geospatial hydrologic and reference data covering the upper Mississippi River, provided in formats appropriate to geographic information systems (GIS) and used in long-term resource monitoring of the area.
Atlantic margin offshore sediments: cooperative database and GIS development website [More info]
This site is designed to provide information on federal interagency and cooperative developments related to coastal sand and gravel resources and management issues along the Atlantic continental margin.
Atlas of Antarctic research [More info]
Entry to the Atlas of Antarctic Research giving a common base map for displaying research results, data, and descriptions of projects. Layers can be viewed or downloaded as Digital Elevation Models (DEMs), digital aerial photos, and satellite images.
Bedrock geology of the Yosemite Valley area Yosemite National Park, California [More info]
Site explains the general bedrock geology of the Yosemite Valley area.
Bering and Chukchi Sea databases bathymetry coverages [More info]
Downloadable files of digital bathymetry of U.S. waters, the Bering and Chukchi Seas, Bering Strait, and Gulf of Anadyr in polygon ARC/INFO. Coverage generated from both digital and paper bathymetry sources developed to support marine research.
Coastal and Marine Geology Program interactive map server [More info]
Interactive map server to view and create maps using available coastal and marine geology data sets of offshore and coastal U.S. and the Gulf of Mexico. Links to available data and metadata that can be downloaded.
Continental shelf GIS for the Monterey Bay National Marine Sanctuary [More info]
Interactive maps of the continental shelf of the Monterey Bay National Marine Sanctuary with GIS layers for sediment data, bathymetry, geology, bathymetry, sonar imagery, and tectonics.
Crater Lake Data Clearinghouse [More info]
The Crater Lake Data Clearinghouse website is a gateway to information and data on Crater Lake with links to data downloads of bathymetry, maps and imagery, a fly-by movie, photos, and information on geology, maps, history, and biota.
Cruise report by Coastal Surveyor Cruise C-1-99-SC: multibeam mapping of the Long Beach, California, continental shelf [More info]
Description of the work and results of a cruise by the Pacific Sea Floor Mapping project to map the Long Beach, California continental shelf based on data from high-resolution multibeam technology.
Detection and measurement of land subsidence using Global Positioning System surveying and interferometric synthetic aperture radar, Coachella Valley, California, 1996-2005 [More info]
Detailed measurements of elevation help to understand the extent and severity of subsidence. Study asks if subsidence indicates the aquifer system is compacting temporarily or permanently, and are the changes human-induced or tectonic.
Development of a global slope dataset for estimation of landslide occurrence resulting from earthquakes [More info]
Technical description of methods used to generate global slope data from SRTM topography data
PDF Discontinuous nature of kriging digital terrain models [More info]
Research exploring the mathematical properties of kriging, a widely-used surface interpolation method. The continuity properties of kriging digital terrain models over a wide range of terrain types helps hydrologists assess the usefulness of kriging for D
Everglades Depth Estimation Network (EDEN) for support of biological and ecological assessments [More info]
Integrated network of real-time water-level monitoring, ground-elevation modeling, and water-surface modeling that provides scientists and managers with current on-line water-depth information for the entire freshwater portion of the Greater Everglades.
Forecast Mekong [More info]
Data and reports about the overall environment in the Mekong river watershed. Includes downloadable remote-sensing data and interactive maps.
Gulf of Maine internet map [More info]
Gulf of Maine regional overview interactive map depicting research activities of the U.S. Geological Survey showing surficial sample sites, bathymetry, continental margin and coastal areas.
Historical mapping [More info]
Information on researching and locating historical maps with reference to basic references and collections of the National Archives, Library of Congress, and the U.S. Geological Survey. Includes instructions for ordering copies of historic USGS maps.
Hurricane and extreme storm impact studies: coastal and nearshore mapping with scanning airborne laser (LIDAR) [More info]
Airborne scanning laser surveys (LIDAR) are used to obtaining data to investigate the magnitude and causes of coastal changes that occur during severe storms. Links to examples of coastal mapping during specific hurricanes.
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 subsidence and aquifer-system compaction in the Tucson Active Management Area, south-central Arizona, 1987-2005 [More info]
Results of ground-surface monitoring and borehole water table measurements document subsidence of the land surface correlative with changes in the ground water.
PDF Lidar postcards [More info]
Four postcards available for downloading and printing, illustrating the use of lidar (light detection and ranging) to construct high-resolution topographic and habitat maps.
Long Island Sound sidescan sonar mosaics [More info]
Sidescan sonar image, surficial geologic interpretation, and bathymetry of the Long Island Sound sea floor.
Mapping Partnership Office of Texas [More info]
Guide to the cooperative mapping programs in the state of Texas administered by the USGS Texas Mapping Partnership Office. Provides description of ongoing projects with links to USGS and cooperator datasets for the state of Texas.
Marine reserves and biological habitats: Monterey Bay, California [More info]
Brief description of the research program to inventory the natural resources of Monterey Bay National Marine Sanctuary with links to cruises, and publications and products, including an internet map server, imagery, and geologic descriptions.
Mid-Continent Mapping Center [More info]
Overview of the Mid-Continent Mapping Center, Rolla, Missouri: a production, research, and data management facility for maps and digital cartographic data products, with links to directions, programs, mapping products, and visitors center.
PDF Mount St. Helens lidar [More info]
Poster available in two sizes for downloading and printing.
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