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1. 1-deg x 1-deg Terrestrial Mean Free-Air Anomalies [gov.noaa.ngdc.mgg.geophysics.G01414]   PARENT DIF
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 ...


2. 2.5-min Isostatic Gravity Grid for the United States [gov.noaa.ngdc.mgg.geophysics.G01447]   PARENT DIF
The 2.5-min isostatic gravity data set was produced by regridding the 4-km residual isostatic gravity grid of the U.S. The isostatic residual gravity grid was developed by the U.S. Geological Survey ...


3. 2.5-min gravity grid of N. America [gov.noaa.ngdc.mgg.geophysics.G01420]   PARENT DIF
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 ...


4. 30-min x 30-min Terrestrial Mean Free-Air Anomalies [gov.noaa.ngdc.mgg.geophysics.G01415]   PARENT DIF
The 30-min x 30-min 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 ...


5. ANWR and Alaska Peninsula Gravity Data [gov.noaa.ngdc.mgg.geophysics.G01457]   PARENT DIF
The gravity station data (1252 records) were compiled by the U.S. Geological Survey and the State of Alaska Division of Geological & Geophysical Surveys. This data base was received in August, 1984. ...


6. Aeromagnetic and Bouger Gravity Data from Bolivia [gov.noaa.ngdc.mgg.geophysics.G01285]   PARENT DIF
As part of a two-year assessment of the geology and mineral resources of the Altiplano and Cordillera Occidental, Bolivia, aeromagnetic and gravity data were acquired from various sources and merged ...


7. Alaska East-West Deflections (DEFLEC96) [gov.noaa.ngdc.mgg.geophysics.G01421]   PARENT DIF
This 2' x 4' surface deflection of the vertical grid for Alaska is the DEFLEC96 model. The computation used about 1.1 millionterrestrial and marine gravity data held in the National Geodetic Survey ...


8. Alaska Geoid Heights (GEOID96) [gov.noaa.ngdc.mgg.geophysics.G01423]   PARENT DIF
This 2' x 4' geoid height grid for Alaska is distributed as a GEOID96 model. The computation used 1.1 million terrestrial and marine gravity data held in the National Geodetic Survey gravity data ...


9. Alaska Gravity Data per 2 x 4 min Cell (96) [gov.noaa.ngdc.mgg.geophysics.G01425]   PARENT DIF
This 2' x 4' gravity density grid for Alaska displays the distribution of about 1.1 million terrestrial and marine gravity data held in the National Geodetic Survey gravity data base in July 1996. ...


10. Alaska North-South Deflections (DEFLEC96) [gov.noaa.ngdc.mgg.geophysics.G01422]   PARENT DIF
This 2' x 4' surface deflection of the vertical grid for Alaska is the DEFLEC96 model. The computation used about 1.1 million terrestrial and marine gravity data held in the National Geodetic Survey ...


11. Alaska Terrain Corrected Free Air Anomalies (96) [gov.noaa.ngdc.mgg.geophysics.G01424]   PARENT DIF
This 2' x 4' gravity anomaly grid for Alaska is NOT the input data set used in development of the GEOID96 model. This gravity grid models the 1.1 million terrestrial and marine gravity data held in ...


12. Alaska1(ak1_iso) Gravity Data [gov.noaa.ngdc.mgg.geophysics.G01452]   PARENT DIF
The gravity station data (72,677 records) were compiled by the U.S. Geological Survey and the State of Alaska Division of Geological & Geophysical Surveys. This data base was received in February, ...


13. Alaska1(ak1_wpn) Gravity Data [gov.noaa.ngdc.mgg.geophysics.G01453]   PARENT DIF
The gravity station data (10,578 records) were compiled by the U.S. Geological Survey and the State of Alaska Division of Geological & Geophysical Surveys. This data base was received in February, ...


14. Andes 1997 Gravity Data [gov.noaa.ngdc.mgg.geophysics.G01455]   PARENT DIF
The Central Andes gravity data (6,151 records) were compiled by Professor Gotze and the MIGRA Group. This data base was received in April, 1997. Principal gravity parameters include Free-air Anomalies ...


15. Basin and Range Province, Western US, USGS Grids #3 [gov.noaa.ngdc.mgg.geophysics.G01396]   PARENT DIF
These grid files were used to produce gravity and basin depth maps of the Basin and Range Province, western United States. The maps show gravity values and modeled basin depths in this area. The data ...


16. Bolivia Altiplano and Cordillera Occidental Data [gov.noaa.ngdc.mgg.geophysics.G01458]   PARENT DIF
The gravity station data (59,933 records) were compiled by various organizations. This data base was received in June, 1993. Principal gravity parameters include Free-air Anomalies and Simple Bouguer ...


17. Bolivian Bouguer Anomaly Grid [gov.noaa.ngdc.mgg.geophysics.G01498]   PARENT DIF
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.


18. Cadiz, California Gravity Data [gov.noaa.ngdc.mgg.geophysics.G01459]   PARENT DIF
The gravity station data (32 records) were gathered by Mr. Seth I. Gutman for AridTech Inc., Denver, Colorado using a Worden Prospector gravity meter. This data base was received in June 1985. Principal ...


19. Collection of Observed Gravity Values, Absolute Gravity Measurements, Grids and Other Derived Summary Data [gov.noaa.ngdc.mgg.geophysics.G01018]   PARENT DIF
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. ...


20. DMA Antarctic Gravity Data [gov.noaa.ngdc.mgg.geophysics.G01456]   PARENT DIF
The gravity station data (65,164 records) were gathered by various governmental organizations (and academia) using a variety of methods. The data base was received in August, 1993. Principal gravity ...


21. DMA Reference Base Station Network Data [gov.noaa.ngdc.mgg.geophysics.G01462]   PARENT DIF
The data (15,904 records documenting 9,090 worldwide gravity base stations) were gathered by various governmental organizations (and academia) using a variety of methods. This data base was received ...


22. DNAG Gravity Data [gov.noaa.ngdc.mgg.geophysics.G01497]   PARENT DIF
The Decade of North American Geology (DNAG) gravity grid values, spaced at 6 km, were used to produce the Gravity Anomaly Map of North America (1987; scale 1:5,000,000). Considerable caution should ...


23. Former Soviet Union (FSU) Gravity Data [gov.noaa.ngdc.mgg.geophysics.G01496]   PARENT DIF
Gridded gravity anomaly data for the Former Soviet Union (FSU) and Eastern Europe has been received by the National Geophysical Data Center(NGDC). The data file contains 1 x 1 degree grid data constructed ...


24. GEOSAT 44: High-Accuracy, High-Resolution Gravity [gov.noaa.ngdc.mgg.geophysics.G01495]   PARENT DIF
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) ...


25. GEOSAT Southern Ocean (30S-72S Lat.} Altimeter Data [gov.noaa.ngdc.mgg.geophysics.G01417]   PARENT DIF
GEOSAT DATA: Gridded Gravity Anomalies for the Southern Ocean


26. GEOSAT Southern Ocean (30S-72S Lat.} Altimeter Data [gov.noaa.ngdc.mgg.geophysics.G01418]   PARENT DIF
GEOSAT DATA: Gridded Gravity Anomalies for the Southern Ocean


27. GEOSAT44: High-Accuracy, High-Resolution Gravity [gov.noaa.ngdc.mgg.geophysics.G01494]   PARENT DIF
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) ...


28. Global Gravity Grids, Geoid Height and Gravity Anomaly Profiles [gov.noaa.ngdc.mgg.geophysics.G01146]   PARENT DIF
The entire collection of GEOSAT ERM (Nov.'86 - Dec. '89) data over land and ice regions is held at the National Geophysical Data Center (NGDC). These data will yield reasonable elevation values for ...


29. Gravity Data For Colombia 1997 [gov.noaa.ngdc.mgg.geophysics.G01461]   PARENT DIF
The gravity station data (9,050 records), were observed and processed by the Instituto Geografico Agustin Codazzi(IGAC), in Colombia from 1958 to 1996. This data base was received in April, 1997. ...


30. Gravity Data For The Maryland/Virginia Area [gov.noaa.ngdc.mgg.geophysics.G01475]   PARENT DIF
The gravity station data (5,905 records) were compiled by the U. S. Geological Survey. This data base was received on July 11, 1997. Principal gravity parameters include observed gravity, Free-air ...


31. Gravity Data For The State of Ohio [gov.noaa.ngdc.mgg.geophysics.G01468]   PARENT DIF
The gravity station data (6,591 records) were compiled by the U. S. Geological Survey. This data base was received on February 23, 1993. Principal gravity parameters include observed gravity, Free-air ...


32. Gravity Data For The State of Utah [gov.noaa.ngdc.mgg.geophysics.G01469]   PARENT DIF
The gravity station data (41,960 records) were compiled by the U. S. Geological Survey. This data base was received on February 23, 1993. Principal gravity parameters include observed gravity, Free-air ...


33. Gravity Data for California and Southern Nevada [gov.noaa.ngdc.mgg.geophysics.G01460]   PARENT DIF
The gravity data (88,514 records) were compiled largely from a state-wide regional gravity study program organized by the California Division of Mines and Geology in cooperation with the U.S. Geological ...


34. Gravity Data for Egypt [gov.noaa.ngdc.mgg.geophysics.G01463]   PARENT DIF
The gravity station data (71 records) were gathered by various governmental organizations (and academia) using a variety of methods. This data base was received in March 1989. Principal gravity parameters ...


35. Gravity Data for Indiana (300 records compiled) [gov.noaa.ngdc.mgg.geophysics.G01473]   PARENT DIF
The gravity data (300 records) were compiled by Purdue University. This data base was received in February 1993. Principal gravity parameters include Free-air Anomalies and Simple Bouguer Anomalies ...


36. Gravity Data for Indiana-over 10,000 records [gov.noaa.ngdc.mgg.geophysics.G01472]   PARENT DIF
The gravity data (10,629 records) were compiled by Purdue University. This data base was received in December 1989. Principal gravity parameters include Free-air Anomalies and Simple Bouguer Anomalies ...


37. Gravity Data for Minnesota [gov.noaa.ngdc.mgg.geophysics.G01476]   PARENT DIF
The gravity station data (55,907 records) were gathered by various governmental organizations (and academia) using a variety of methods. This data base was received in March 1993. Principal gravity ...


38. Gravity Data for South America [gov.noaa.ngdc.mgg.geophysics.G01485]   PARENT DIF
The gravity station data (152,624 records) were compiled by the University of Texas at Dallas. This data base was received in June 1992. Principal gravity parameters include Free-air Anomalies and ...


39. Gravity Data for Southwestern Alaska #2 [gov.noaa.ngdc.mgg.geophysics.G01471]   PARENT DIF
The gravity station data (1294 records) were compiled by the Alaska Geological Survey and the U.S. Geological Survey, Menlo Park, California. This data base was received in September 1986. Principal ...


40. Gravity Data for Southwestern Alaska (1294 records compiled) [gov.noaa.ngdc.mgg.geophysics.G01470]   PARENT DIF
The gravity station data (1294 records) were compiled by the Alaska Geological Survey and the U.S. Geological Survey, Menlo Park, California. This data base was received in September 1986. Principal ...


41. Gravity Data for portions of Ohio [gov.noaa.ngdc.mgg.geophysics.G01481]   PARENT DIF
The gravity station data (1,037 records) were compiled by Doctor Stierman. This data base was received in June 1992. Principal gravity parameters include Free-Air Anomalies and both Simple Bouguer ...


42. Gravity Data for the Greater Portland Area [gov.noaa.ngdc.mgg.geophysics.G01483]   PARENT DIF
The gravity station data (1,522 records) were compiled by the Portland State University. This data base was received in August 1990. Principal gravity parameters include Free-air Anomalies and Complete ...


43. Gravity Data for the National Petroleum Reserve-Alaska [gov.noaa.ngdc.mgg.geophysics.G01480]   PARENT DIF
The gravity station data (53,520 records) were gathered by various governmental organizations (and academia) using a variety of methods. This data base was received in November 1980. Principal gravity ...


44. Gravity Data for the State of Nevada [gov.noaa.ngdc.mgg.geophysics.G01477]   PARENT DIF
Gravity data for the entire state of Nevada and adjacent parts of California, Utah, and Arizona are presented. About 80,000 gravity stations were compiled primarily by the U.S. Geological Survey. ...


45. Gravity Data for the State of New Mexico [gov.noaa.ngdc.mgg.geophysics.G01478]   PARENT DIF
The gravity station data (21,242 records) were compiled by the University of Texas at El Paso. This data base was received in October 1984. Principal gravity parameters include Free-air Anomalies ...


46. Gravity Data for the Vernal, Utah Quad.(1x2 degree) [gov.noaa.ngdc.mgg.geophysics.G01487]   PARENT DIF
The gravity station data (4,778 records) were gathered by various governmental organizations (and academia) using a variety of methods. This data base was received in April 1986. Principal gravity ...


47. Gravity Field Atlas of the S. Ocean [gov.noaa.ngdc.mgg.geophysics.G01330]   PARENT DIF
This Gravity Field Atlas of the Southern Ocean from GEOSAT is MGG Report 7. In many areas of the global ocean, the depth of the seafloor is not well known because survey lines by ships are hundreds ...


48. Gravity Field Over the S.Ocean - Poster, MGG-6 [gov.noaa.ngdc.mgg.geophysics.G01329]   PARENT DIF
This is a full color 24 by 36 inch poster. In many areas of the global ocean, the depth of the seafloor is not well known because survey lines by ships are hundreds of kilometers apart. Satellites ...


49. Gravity Station Data for Portugal [gov.noaa.ngdc.mgg.geophysics.G01484]   PARENT DIF
The gravity station data total 3064 records. This data base was received in April 1997. Principal gravity parameters include Free-air Anomalies which have been adjusted to the International Gravity ...


50. Gravity Station Data for Spain [gov.noaa.ngdc.mgg.geophysics.G01486]   PARENT DIF
The gravity station data total 28493 records. This data base was received in April 1997. Principal gravity parameters include Free-air Anomalies which have been adjusted to the International Gravity ...


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