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Topography
The shape of the land surface.
Subtopics:
Bathymetry (25 items)
Related topics:
Results 1 - 60 of 60 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 of Program Direction [More info]
Strategy to be used to improve elevation data in support of many public concerns addressed by multiple Federal and state agencies.
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.
Maps On Demand: limited printing of digitally supported U.S. Geological Survey maps and reports [More info]
The USGS provides map-on-demand (MOD) printing for selected infrequently requested geologic and other theme map products providing high-quality paper-copy maps as needed. Site links to available map products with thumbnail views and how to order.
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.
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.
Multibeam mapping of the Pinnacles region, Gulf of Mexico [More info]
Report on multibeam sonar imaging to produce bathymetric mapping of the reef tract known as The Pinnacles, northern Gulf of Mexico with links to images (ASCII or ArcInfo formats), data, metadata, ArcExplorer 2.0 project, and cruise report.
National geologic studies of benthic habitats, northeastern United States : Stellwagen Bank National Marine Sanctuary Region off Boston, Massachusetts [More info]
Geological research of the Stellwagen Bank National Marine Sanctuary sea floor are presented in the form of maps, posters, fact sheets, sonar images, and bottom photographs.
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.
Northern Gulf of Mexico ecosystem change and hazard susceptibility [More info]
Map interfaces and data in the area offshore Louisiana, Mississippi, and Alabama which was affected most by hurricane Katrina and, more recently, the oil spill.
Pacific Seafloor Mapping Project [More info]
Homepage for the Pacific Sea floor Mapping Project with links to images, downloadable data, applications, fly-by movies, products, publications, and contacts for studies of San Francisco Bay, Puget Sound, Lake Tahoe, and other Pacific areas.
River inventory and monitoring [More info]
Links to science programs on upper Midwest river inventory and monitoring with links to databases on macroinvertebrates, fisheries, vegetation, water quality, bathymetry, floodplain forest, wildlife, sediment, contaminants and nutrients.
Rocky Mountain Mapping Center [More info]
Home page for the USGS Rocky Mountain Mapping Center in Denver, CO with mapping activities in the western U.S. and links to research activities, products, mapping liaisons, and education.
Satellite technologies detect uplift in the Yellowstone Caldera [More info]
Explanation of uplift in the land surface of the northern part of the Yellowstone caldera (12cm, about ~5 inches) that occurred between 1997 and 2003, including the scientific methods by which it was detected and analyzed.
PDF Scanning and georeferencing historical USGS quadrangles [More info]
We are scanning all scales and all editions of approximately 250,000 topographic maps published by USGS since the inception of the topographic mapping program in 1884. They will be available to the public at no direct cost.
PDF Science implementation of Forecast Mekong for food and environmental security [More info]
Research activities and data sources for this international effort to enhance U.S. engagement with countries of the lower Mekong River basin.
PDF Science supporting Gulf of Mexico oil-spill response, mitigation, and restoration activities-Assessment, monitoring, mapping, and coordination [More info]
Explains and shows data and expertise we were able to provide to Federal agencies and decision makers to help them deal with this difficult situation.
Seamless geographic data distribution system [More info]
Online map system providing downloadable geospatial data, primarily NSDI framework themes (that is, general geographic data such as transportation, boundaries, hydrography, orthoimagery, land cover, and elevation).
Studies in Long Island Sound: geology, contaminants, and environmental issues [More info]
Description of Long Island Sound projects and links to research topics, data, publications, photos, and technology on sediment transport, sea floor mapping, contaminant sampling, sediment texture, and environmental issues.
The National Map [More info]
Homepage describing The National Map, which will produce a seamless, continuously maintained set of public domain geographic base information, with links to map viewer, pilot projects, reports, fact sheets, and national atlas.
The National Map: reports [More info]
Fact sheets and reports on the National Map in HTML format or PDFs.
The National Map: topographic maps for the 21st century [More info]
Description of the The National Map project intended to provide a seamless, integrated, and continuously maintained set of geographic base information for easily accessible, up-to-date, accurate mapping of the United States.
The sea-floor mapping facility at the U.S. Geological Survey Woods Hole Field Center, Woods Hole, Massachusetts [More info]
Fact sheet on the sea-floor mapping facility at Woods Hole describing state-of-the-art technology used to produce accurate geologic maps of the sea floor and reporting on its data-acquisition, data-processing, and archiving capabilities.
Topographic maps [More info]
General information on topographic maps with links to topographic mapping, USGS topographic maps, digital raster graphics, how to find and order USGS maps, map revision, and map symbols.
Topographic Science [More info]
Explains and illustrates the types of topographic information USGS obtains, how we use this information, and how to obtain topographic data for your own work.
United States Antarctic Resource Center [More info]
Description of the Antarctic Resources Center and links to its workshops and archives of Antarctic maps, charts, satellite images, and photographs produced by the member nations of the Scientific Committee on Antarctic Research (SCAR).
PDF 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.
West-central Florida erosion study [More info]
West central Florida erosion interactive map with GIS datasets to download including geologic interpretative layers, samples, bathymetry, and imagery.
Western lake catchment systems - Bear Lake region, Idaho-Utah [More info]
Homepage for project on Bear Lake, Idaho-Utah, to study past climate change and effect on lake catchment basins. Includes link to summary, personnel, geology, methods used including coring and seismic surveying, and publications.
Woods Hole Coastal and Marine Geology Field Center [More info]
Site with links to projects of the field center of the Woods Hole Coastal Marine Geology Program on underwater areas between shorelines and the deep ocean, off the U.S. East Coast, the Gulf of Mexico, and in parts of the Caribbean and Great Lakes.
Yosemite Valley geologic story [More info]
Site describes the present understanding of the various geologic processes that contributed to the valley's creation. Links to Yosemite Valley's geologic maps.
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