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1. 1:100,000-scale Digital Line Graphs (DLG) from the U.S. Geological Survey [DLG100K]
Digital line graph (DLG) data are digital representations of cartographic information. DLG's of map features are converted to digital form from maps and related sources. Intermediate-scale DLG data ...


2. AVHRR 1-km Global Land 10-Day Composites [AVHRR_GLOBAL_10-DAY_COMPOSITES]
The Advanced Very High Resolution Radiometer (AVHRR) 1-km Global Land 10-Day Composites data set project is a component of the National Aeronautics and Space Administration (NASA) AVHRR Pathfinder ...


3. AVHRR 1-km Orbital Segments [AVHRR_ORBITAL_SEGMENTS]
The Advanced Very High Resolution Radiometer (AVHRR) 1-km Orbital Segments data set is a component of the National Aeronautics and Space Administration (NASA) AVHRR Pathfinder ...


4. Advanced Solid-state Array Spectroradiometer (ASAS) [asas]
The Advanced Solid-state Array Spectroradiometer (ASAS) data collection contains data collected by the ASAS sensor flown aboard NASA aircraft. A fundamental use of ASAS data is to characterize and ...


5. Aerial Photographs (from AMES Pilot Land Data System); USGS EDC, Sioux Falls [EARTH_LAND_USGS_AMES_AIR_PHOTOS]
The aerial photography inventoried by the Pilot Land Data System (PLDS) at NASA AMES Research Center has been transferred to the USGS EROS Data Center. The photos were obtained from cameras mounted ...


6. Aircraft Scanners [AERIALDIGI]
The National Aeronautics and Space Administration (NASA) Aircraft Scanners data set contains digital imagery acquired from several multispectral scanners, including Daedalus thematic ...


7. Alaska AVHRR Twice-Monthly Composites [AK_AVHRR]
The goal of the Alaska Advanced Very High Resolution Radiometer (AVHRR) project is to compile a time series data set of calibrated, georegistered daily observations and twice-monthly maximum normalized ...


8. CORONA Satellite Photographs from the U.S. Geological Survey [CORONA_SATELLITE_PHOTOS]
The first generation of U.S. photo intelligence satellites collected more than 860,000 images of the Earth?s surface between 1960 and 1972. The classified military satellite systems code-named CORONA, ...


9. CORONA Satellite Photography [DISP]
On February 24, 1995, President Clinton signed an Executive Order, directing the declassification of intelligence imagery acquired by the first generation of United States photo-reconnaissance ...


10. Multi-Resolution Land Characteristics [MRLC]
The Multi-Resolution Land Characteristics (MRLC) project was established to provide multi-resolution land cover data of the conterminous United States from local to regional scales. A major component ...


11. NASA Aerial Photography [NASAPHOTOS]
The National Aeronautics and Space Administration (NASA) Aerial Photography data set is a film archive of photographs from the Lyndon B. Johnson Space Center (JSC) in Houston, Texas, and ...


12. NASA Landsat Data Collection [NLDC]
The NASA Landsat Data Collection (NLDC) is a compilation of Landsat multispectral scanner (MSS) scenes and Landsat thematic mapper (TM) scenes. This compilation of scenes represents data collections ...


13. North American Landscape Characterization [NALC]
The North American Landscape Characterization (NALC) project is a component of the Landsat Pathfinder Program, which is part of a larger Pathfinder Program initiated by the National Aeronautics ...


14. Side Looking Airborne Radar (SLAR) Imagery [SLAR]
Side-Looking Airborne Radar (SLAR) imagery is available from the U.S. Geological Survey (USGS) for selected project areas in the conterminous United States and Alaska. Data are X-band synthetic ...


15. Spaceborne Imaging Radar-C Precision [SIR-C_PRECISION]
Spaceborne Imaging Radar-C/X-band Synthetic Aperture Radar (SIR-C/X-SAR) is a joint project of the National Aeronautics and Space Administration (NASA), the German Space Agency, Deutsche Agentur ...


16. U.S. Geological Survey Aerial Photography [USGSPHOTOS]
The U.S. Geological Survey (USGS) Aerial Photography data set includes over 2.5 million film transparencies. Beginning in 1937, photographs were acquired for mapping purposes at different altitudes ...


17. Coastal Ocean Dynamics Experiment (CODE); Currents, Hydrographic, Sea Level and Meterological; North of the San Francisco; 1981-2 [SIO_CCS_DATAZOO_CODE]
Data Access: "http://www-ccs.ucsd.edu/zoo/" The Costal Ocean Dynamics Experiment (CODE) was undertaken to identify and study the important dynamical processes which govern the wind-driven motion ...


18. Investigation of Bird Mortality in the Playa Lakes of Southeastern New Mexico. [brdnwhc0001]


19. Tri-Decadal Global Landsat Orthorectified ETM+ Reg Scene V1 [ETM_V1]
The first generation of U.S. photo intelligence satellites collected more than 860,000 images of the Earth?s surface between 1960 and 1972. The classified military satellite systems code-named CORONA, ...


20. Tri-Decadal Global Landsat Orthorectified TM Scene V1 [TM_V1]
The average acquisition date for the Tri-Decadal Global Landsat Orthorectified TM data is 1990 (+/- 3 years). However, individual scenes range from 1985 to 1996. These Landsat data have been orthorectified, ...


21. STORM-Fronts Experiment Systems Test (STORM-FEST) 15 Minute and Hourly Precipitation Composite Dataset (1992) for the U.S. [STORMFEST_PRECIP]   PARENT METADATA
The Cooperative Distributed Interactive Atmospheric Catalog System (CODIAC) home page on the WWW is http://data.eol.ucar.edu/codiac/ The STORM-FEST 15-Minute Precipitation composite home page is ...


22. Alaska High Altitude Aerial Photography (AHAP) Program [EARTH_LAND_USGS_AK_HI_ALT_PHOT]
[From GeoData Center Home Page descriptions, "http://www.gi.alaska.edu/alaska-satellite-facility/geodata-center"] The GeoData Center is the browse facility for the state copy of ...


23. The Center for Advanced Spatial Technologies National Database of GIS Data [CAST_NSD]
The Center for Advanced Spatial Technologies (CAST) National Database of GIS data presented here have been collected at The Center for Advanced Spatial Technologies (CAST) with funding provided from ...


24. SPOT High Resolution Visible Data [SPOT]
The SPOT Program supports commercial remote sensing on an international scale, establishing a global network of control centers, receiving stations, processing centers, and data distributors. ...


25. Long Island Sound metals sample distribution locations, USGS OFR 00-304 [USGS_OFR_00304_LISGRABS]   PARENT METADATA
The purpose of this datalayer is to disseminate a digital version of the map showing the locations of surficial samples used in the analysis of metal distributions in Long Island Sound. This GIS ...


26. Backscatter Imagery from Sidescan Sonar 5 meter/pixel of Boston Harbor and Approaches - CZM_moris_bh_5mbs_raster [CZM_moris_bh_5mbs_raster]
These data are high-resolution acoustic backscatter measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km? of sidescan sonar data were collected ...


27. CAPE_GEOLGEOG: Digital Cape Cod and the Islands Geologic Map [CZM_moris_cape_geolgeog_poly_1.1]
These data represent a digital form of the geologic map of Cape Cod and the islands. Note: These data were reprojected from their native projection into North American Datum 1983 (NAD83) / Massachusetts ...


28. CC_SEDDIST.SHP: Surficial Sediment Distributions off Eastern Cape Cod, Massachusetts [CZM_moris_cc_seddist_poly_1.0]
This data set shows the distribution of surficial sediments offshore of northern and eastern Cape Cod, Massachusetts. This interpretation is based on data collected with a multibeam sea floor mapping ...


29. CONMAPSG: Continental Margin Mapping (CONMAP) sediments grainsize distribution for the United States East Coast Continental Margin [CZM_moris_conmapsg_poly_1.1]
Sediments off the eastern United States vary markedly in texture - the size, shape, and arrangement of their grains. However, for descriptive purposes, it is typically most useful to classify these ...


30. Composite Bathymetry Boundaries from Boston Harbor and Approaches [CZM_moris_compositebathybnds_poly]
This data is the boundary polygon for the high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km? of sidescan sonar ...


31. Defined Map Units of the seafloor of Boston Harbor and Approaches [CZM_moris_bottomtype_poly]
This data is a qualitatively-derived interpretative polygon shapefile defining the bottom types of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km? of ...


32. Hillshade of Composite Bathymetry 30 meter/pixel of Boston Harbor and Approaches [CZM_moris_bh_30mhs_raster]
These data are high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km? of sidescan sonar and bathymetric data were ...


33. Maryland Department of Natural Resources (MDNR) Fall Oyster Survey [BRD_MDNR_OYSTERS]
This dataset contains information taken from field sheets completed during the Modified Fall Oyster Survey pertaining to spat counts, spat size distribution, seed and shell information on each bar, ...


34. Maryland Department of Natural Resources (MDNR) Fall Oyster Survey Disease and Population Data [BRD_MDNR_OYSTERS_DISEASE]
[For a more detailed metadata record, See: "https://gcmd.gsfc.nasa.gov/brd/brd_mdnr2.html"] This database contains disease and population data collected during Oxford Lab's annual Modified Fall Oyster ...


35. Multibeam Bathymetry Boundaries from Boston Harbor and Approaches [CZM_moris_multibeambathybnds_poly]
This data is the boundary polygon for the high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km? of sidescan sonar ...


36. PhysZones- Nahant to Gloucester, Physiographic Zones [CZM_moris_phsio_zones_poly]
These data physiographically characterize the seafloor between Nahant and Gloucester Massachusetts from high-resolution geophysical surveys of the seafloor . Approximately 127 km? of the inner shelf ...


37. PhysZonesInshore- Nahant to Gloucester, Interpreted Physiographic Zones (inshore) [CZM_moris_physio_zones_inshore_poly]
These data physiographically characterize the seafloor between Nahant and Gloucester Massachusetts from NOAA Nautical Charts and air photos. The inshore region is not covered by the high-resolution ...


38. bedrock_depth - Nahant to Gloucester, Depth to Bedrock [CZM_moris_bedrock_depth_raster]
These data are high-resolution seismic reflection profile data of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 1,175 kms of seismic reflection profile data were ...


39. gom15ctr: Construction of Digital Bathymetry for the Gulf of Maine [CZM_moris_gom15ctr_arc]
The U.S. Geological Survey is conducting studies of the sea floor geology in the Gulf of Maine and along the New England Shelf that provide geologic framework information for habitat, resource, and ...


40. mlclass5 - Nahant to Gloucester, Maximum Likelihood Bottom Classification [CZM_moris_mlclass5_raster]
These data are high-resolution maximum likelihood classification of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km? of the inner shelf were mapped in the nearshore ...


41. se_5mbath - Nahant to Gloucester, Swath Bathymetry of the South Essex Survey Area [CZM_moris_se_5mbath_raster]
These data are high-resolution bathymetric soundings of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km? of the inner shelf were mapped in the nearshore region ...


42. se_5mbathhs-Nahant to Gloucester, Hillshaded bathymetry of the South Essex Survey Area [CZM_moris_se_5mbathhs1_raster]
These data are high-resolution bathymetric soundings of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km? of the inner shelf were mapped in the nearshore region ...


43. ss_mos1m.tif- Nahant to Gloucester, 1m resolution Sidescan Sonar Mosaic [CZM_moris_ss_mos1m_raster]
These data are high-resolution acoustic backscatter measurements of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km? of the inner shelf were mapped in the nearshore ...


44. Depth of the Marine Transgressive Surface in Long Island Sound, USGS OFR 00-304 [USGS_OFR_00304_MARINET]   PARENT METADATA
The purpose is to disseminate a digital version of a regional map showing the marine transgressive surface in Long Island Sound. This GIS layer contains an interpretive layer represented by contour ...


45. Free-air gravity of Long Island and Block Island Sounds, USGS OFR 00-304 [USGS_OFR_00304_GRAVITY]   PARENT METADATA
The purpose is to disseminate the only existing free-air gravity information in digital form to the research community, and to facilitate modern geophysical and environmental studies of the Long Island ...


46. Thickness of Post-Glacial Sediments in Long Island Sound (Vectors), USGS OFR 00-304 [USGS_OFR_00304_PGTHKL]   PARENT METADATA
The purpose is to disseminate the digital version of a regional map showing the thickness of the postglacial sediments in Long Island Sound. This GIS layer contains an interpretive layer represented ...


47. Thickness of Post-Glacial Sediments in Long Island Sound (polygons), USGS OFR 00-304 [USGS_OFR_00304_PGTHKLPOL]   PARENT METADATA
The purpose is to disseminate a digital version of a regional isopach map showing the thickness of the postglacial sediments in Long Island Sound. This GIS layer contains an interpretive layer represented ...


48. Cape Mendocino Calibration Experiment [PASSCAL_MCKSH]
This was a piggyback effort in conjunction with the USGS. In 1993, the USGS detonated four shots to calibrate the seismic network near Cape Mendocino, CA. Stanford and the USGS deployed a refraction ...


49. Bishop Museum Entomology Database [BRD_BISHOP]
[For a more detailed metadata record, see: "https://gcmd.gsfc.nasa.gov/brd/brd_bishop.html"] In 1992, the Hawaii State Legislature established the Hawaii Biological Survey ("http://www.bishop.hawaii.org/") ...


50. GIS Coverage for the National Water-Quality Assessment (NAWQA) Program Retrospective Database for Nutrients in Surface Water: Monitoring Locations [NAWQAHIS]
The retrospective database is a compilation of historical water-quality and ancillary data collected before NAWQA Study Units initiated sampling in 1993. This coverage contains the point locations ...


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