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1. Bolivian Bouguer Anomaly Grid [gov.noaa.ngdc.mgg.geophysics.G01498]
A 1 kilometer Bouguer anomaly grid for the country of Bolivia.Number of columns is 550 and number of rows is 900. The order of the data is from the lower left to the right and then up one row.


2. GEOSAT 44: High-Accuracy, High-Resolution Gravity [gov.noaa.ngdc.mgg.geophysics.G01495]
This satellite altimeter data base contains precise geoid and gravity anomaly profiles which were constructed from the average of 44 repeat cycles of Geosat. The data are contained in two files: (1) ...


3. GEOSAT44: High-Accuracy, High-Resolution Gravity [gov.noaa.ngdc.mgg.geophysics.G01494]
This satellite altimeter data base contains precise geoid and gravity anomaly profiles which were constructed from the average of 44 repeat cycles of Geosat. The data are contained in two files: (1) ...


4. Minnesota Bouguer Anomaly Grid [gov.noaa.ngdc.mgg.geophysics.G01499]
A 1.5 kilometer Bouguer anomaly grid for the state of Minnesota. Number of columns is 404 and number of rows is 463. The order of the data is from the lower left to the right and then up one row.


5. 1-deg x 1-deg Terrestrial Mean Free-Air Anomalies [gov.noaa.ngdc.mgg.geophysics.G01414]
The 1x1 degree Terrestrial Mean Free-Air Gravity Anomaly and Geoid Undulations Data Base was compiled and developed by the Ohio State University. This data base was received in March 1993. Principal ...


6. 2.5-min gravity grid of N. America [gov.noaa.ngdc.mgg.geophysics.G01420]
The dgrav gridded data set was produced by NGDC by regridding the Decade of North American (DNAG) 6-km gravity grid of N. America. A grid cell dimension of 2.5 minutes of longitude and latitude was ...


7. Collection of Observed Gravity Values, Absolute Gravity Measurements, Grids and Other Derived Summary Data [gov.noaa.ngdc.mgg.geophysics.G01018]
The National Geophysical Data Center (NGDC) of NOAA, in cooperation with the National Geodetic Survey of NOAA, have published a Gravity CD-ROM containing observed and derived gravity measurements. ...


8. Haxby Worldwide Gravity Grid [gov.noaa.ngdc.mgg.geophysics.G01412]
In 1985, Dr. William F. Haxby of the Lamont-Doherty Geological Observatory of Columbia University prepared this data base of free-air gravity anomalies, based on the radar altimetry of the SEASAT ...


9. High Density GEOSAT/GM Altimeter Data [gov.noaa.ngdc.mgg.geophysics.G01448]
The high density Geosat/GM altimeter data south of 30 S have finally arrived. In addition, ERS-1 has completed more than 6 cycles of its 35-day repeat track. These data provide a dramatically improved ...


10. Idaho Batholith Study Area Bouguer Gravity Grid [gov.noaa.ngdc.mgg.geophysics.G01399]
A 2 kilometer Bouguer gravity anomaly grid for the Idaho batholith study area. Number of columns is 331 and number of rows is 285. The order of the data is from the lower left to the right and then ...


11. Land and Marine Gravity Data on CD-ROM - 1999 Edition [gov.noaa.ngdc.mgg.geophysics.G01352]
The Land and Marine Gravity 1999 Edition 2-volume CD-ROM set contains observed and derived land and marine gravity data contributed by many national and international organizations, from both the ...


12. NGS Absolute Gravity Data [gov.noaa.ngdc.mgg.geophysics.G01449]
The NGS Absolute Gravity data (78 stations) was received in July 1993. Principal gravity parameters include Gravity Value, Uncertainty, and Vertical Gradient. The data are randomly spaced worldwide.


13. Regional Files of GEOS3/SEASAT/GEOSAT Data [gov.noaa.ngdc.mgg.geophysics.G01413]
Gravity anomalies and sea surface heights have been computed on a 0.125 degree grid in the ocean areas from a combined GEOS3/SEASAT/GEOSAT altimeter data set. This data base was received in March ...


14. Regional Files of GEOS3/SEASAT/GEOSAT Data [gov.noaa.ngdc.mgg.geophysics.G01416]
Gravity anomalies and sea surface heights have been computed on a 0.125 degree grid in the ocean areas from a combined GEOS3/SEASAT/GEOSAT altimeter data set. This data base was received in March ...


15. U.S. Coastal Relief Model - Central Gulf of Mexico [gov.noaa.ngdc.mgg.dem.309]
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless representation of the coast. ...


16. U.S. Coastal Relief Model - Central Pacific [gov.noaa.ngdc.mgg.dem.348]
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless representation of the coast. ...


17. U.S. Coastal Relief Model - Florida and East Gulf of Mexico [gov.noaa.ngdc.mgg.dem.307]
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless representation of the coast. ...


18. U.S. Coastal Relief Model - Northwest Pacific [gov.noaa.ngdc.mgg.dem.288]
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless representation of the coast. ...


19. U.S. Coastal Relief Model - Puerto Rico [gov.noaa.ngdc.mgg.dem.290]
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless representation of the coast. ...


20. U.S. Coastal Relief Model - Southeast Atlantic [gov.noaa.ngdc.mgg.dem.305]
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless representation of the coast. ...


21. U.S. Coastal Relief Model - Western Gulf of Mexico [gov.noaa.ngdc.mgg.dem.286]
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless representation of the coast. ...


22. U.S. Coastal Relief Model - Hawaii [gov.noaa.ngdc.mgg.dem.711]
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless representation of the coast. ...


23. U.S. Coastal Relief Model - Northeast Atlantic [gov.noaa.ngdc.mgg.dem.713]
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless representation of the coast. ...


24. U.S. Coastal Relief Model - Southern California [gov.noaa.ngdc.mgg.dem.709]
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless representation of the coast. ...


25. U.S. Coastal Relief Model [gov.noaa.ngdc.mgg.dem.us_crm]
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless representation of the coast. ...


26. GOES Fire Detects from the Wildfire Automated Biomass Burning Algorithm (WF-ABBA) [gov.noaa.ngdc.mgg.hazards.3022]
The GOES ABBA is a contextual multi-spectral thresholding algorithm which utilizes dynamic local thresholds derived from the GOES satellite imagery and ancillary databases to locate fire pixels and ...


27. U.S. Outer Continental Shelf Marine Borehole Data [gov.noaa.ngdc.mgg.well_log.G00500]
Well log data from the U.S. outer continental shelf commercial wells, and continental offshore stratigraphic test (cost) wells. Product Description: geophysical measurements of lithologic properties ...


28. Duckdata-A Bibliographic Database of North American Waterfowl (Anatidae) and their Wetland Habitats [PWRC_Duckdata]
DUCKDATA provides a comprehensive bibliography of published literature on the ecology, conservation, and management of North American waterfowl and their wetland habitats. The primary objective of ...


29. NORTHERN AND MID-LATITUDE SOIL DATABASE, VERSION 1 [global_soil_mid-lat]
The U.S. Department of Agriculture, Agriculture and Agri-Food Canada, the Russian Academy of Agricultural Sciences, the University of Copenhagen Institute of Geography, the European Soil Bureau, the ...


30. Taxonomic Review of Category 2 Species, brdsar0001 - Parent Taxonomic Review Metadata [BRDSAR0001]
More than 1,600 species and subspecies of animals in the United States are presently proposed for listing as endangered or threatened. These taxa are designated Category II Species by the U.S. Fish ...


31. Breeding Bird Census [brdpwrc0007]
Recognizing the importance of long-term studies for improving our understanding of changes in distribution and abundance patterns of avian communities, the former U.S. Bureau of Biological Survey ...


32. North American Breeding Bird Survey (BBS) [brdpwrc0004]   CHILD DIFs
The North American Breeding Bird Survey (BBS), which is coordinated by the Biological Resources Division and Canadian Wildlife Service, is a primary source of population trend and distribution information ...


33. sun_mos_pro.tif: Image of the 4-m Sun-illuminated Topography of the Sea Floor off Eastern Cape Cod [CZM_moris_cc_sun_mosaic_raster]
This data set includes sun-illuminated of the sea floor offshore of eastern Cape Cod, Massachusetts. The data were collected with a multibeam sea floor mapping system during USGS survey 98015, conducted ...


34. Irrigated Areas [geodata_1651]
The map depicts the fraction of each 5 min by 5 min cell (9.25 km x 9.25 km at the equator) cell that was equipped for irrigation around 1995. It has been derived by combining statistical data on ...


35. GTOPO30 Global Shaded Relief (North America) [geodata_1349]
GTOPO30 is a global data set covering the full extent of latitude from 90 degrees south to 90 degrees north, and the full extent of longitude from 180 degrees west to 180 degrees east. The horizontal ...


36. Modis Blue Marble Land Surface (North America) [geodata_1355]
The ?blue marble? image is the most detailed true-color image of the entire Earth to date. Using a collection of satellite-based observations, scientists and visualizers stitched together months of ...


37. Global 1km Land Cover - IGBP Legend (North America) [geodata_0302]
The U.S. Geological Survey (USGS), the University of Nebraska-Lincoln (UNL), and the European Commission's Joint Research Centre (JRC) have generated a 1-km resolution global land cover characteristics ...


38. Watershed Boundaries Level 1 - HYDRO1k (North America) [geodata_0777]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


39. Watershed Boundaries Level 3 - HYDRO1k (North America) [geodata_0782]
The Pfafstetter system was developed by Otto Pfafstetter, a Brazilian engineer. It is based upon the topology of the drainage network and the size of the surface area drained. Its numbering scheme ...


40. Global 1km Land Cover - Olson Global Ecosystem Legend (North America) [geodata_0370]
The U.S. Geological Survey (USGS), the University of Nebraska-Lincoln (UNL), and the European Commission's Joint Research Centre (JRC) have generated a 1-km resolution global land cover characteristics ...


41. Hurricane Katrina Poster [gov.noaa.ncdc.C00647]
This product is a poster, available from the National Climatic Data Center (NCDC). The poster dimension is 36 inches wide by 30 inches tall. In the poster: NOAA's Polar-orbiting Operational Environmental ...


42. U.S. Lightning Archive (DSI-9617) [gov.noaa.ncdc.C00059]
The Lightning Archive contains a chronological listing, by state, of lightning statistics. The reports are provided by the National Weather Service and contain statistics on locations, fatalities, ...


43. Central Mojave Plots Map [usgs_fresc_cpfs_mojaveplotsmap]
The Central Mojave Plots Map (plots.e00) is a digital map database (point coverage) that shows the location and vegetation type for all field reference data used in developing the Central Mojave Vegetation ...


44. Central Mojave Special Features Map [usgs_fresc_cpfs_mojavemap]
The Central Mojave Special Features map shows point locations for known or potential places where vegetation alliances or unique stands with less than 5 hectares (ha) of spatial extent occur. Many ...


45. GOES 9 Satellite Images Generated by NRL-Monterey SeaSpace [NRL_GOES9]
GOES-9 Satellite Images generated in near real-time by the NRL-Monterey SeaSpace TeraScan receiving station. Routine images are produced on a nominal 1/2 hour update schedule. Visible ...


46. Terrastat - Land Resource Potential and Constraints Statistics at Country and Regional Level [terrastat]
Terrastat contains country statistics of soil, terrain, climatic and agricultural land use limitations, and potential extent. The designation employed and the presentation of material ...


47. Kittlitz's Murrelet Known Nest Locations (GIS layer) [UAF_KittlitzMurreletnestlocations]
The Kittlitz's Murrelet Brachyramphus brevirostris is bird is a species of environmental concern, and only 21 confirmed nest locations are published for North America. A wider analysis of these nest ...


48. Checklist of Amphibian Species and Identification Guide: An Online Guide for the Identification of Amphibians in North America north of Mexico [NPWRC_checklistamphibianspecies]
The checklist is one of all amphibian species and subspecies currently recognized in North America north of Mexico. This list is based on Crother (2000); published by the Society for the Study of ...


49. Kittlitz's Murrelet. Birds of North America [UAF_KittlitzMurrelet]
The Kittlitz's Murrelet Brachyramphus brevirostris is bird is a species of environmental concern, and only 21 confirmed nest locations are published for North America. A wider analysis ...


50. The North American Transportation Atlas Data (NORTAD) from the Bureau of Transportation Statisitics [BTS_NORTAD]
The North American Transportation Atlas Data (NORTAD) CD-ROM is a collection of geo-spatial data sets of transportation facilities for Canada, Mexico, and the United States depicting nationally significant ...


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