Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-24T11:29:54Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 28 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NCAR_DS832.0 1932-01-01T00:00:00Z 1981-06-30T00:00:00Z 2013-05-23T04:00:00Z

This dataset contains basic solar data received from World Data Center A and includes sunspot indices and sunspot number. Data are available from January 1932 to June 1981.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NCAR_DS830.0 1947-01-01T00:00:00Z 1969-12-31T00:00:00Z 2013-05-23T04:00:00Z

Later data are at NCAR, on a CDROM from NGDC.

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_760 45.0,-90.0,160.0,-65.0 1994-09-30T00:00:00Z T00:00:00Z 2011-12-23T05:00:00Z

Geoscience Australia Geophysical Observatories Note, there are separate meta-data records for Geomagnetism and for seismology/nuclear monitoring. Brief summary: AGSO operates ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]1995-2000_S_ZS_GP01_LO_2001 83.2,-79.0,109.0,-69.4 1995-05-01T00:00:00Z T00:00:00Z 2011-08-26T04:00:00Z

This is a Sino-Japan collaborative observation at Zhongshan Station, Antarctica, which commenced in March 1995 (Principal Investigators: Prof. Natsuo Sato, National Institute of Polar Research and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_606 110.52,-66.281,110.521,-66.2877.96,-68.571,77.961,-68.5762.87,-67.61,62.871,-67.676.386,-69.372,76.388,-69.37158.86,-54.611,158.861,-54.61 1996-01-01T00:00:00Z T00:00:00Z 2011-06-28T04:00:00Z

This project records ultra-low frequency (ULF) waves in the 1mHz - 3Hz band at the Antarctic stations Davis, Casey, Mawson, and Macquarie Island and Zhongshan (PRC station). Search coil magnetometers ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[NOAA-NMMR]gov.noaa.ngdc.G01152 -180.0,-90.0,180.0,90.0 1800-01-01T00:00:00Z T00:00:00Z 2011-03-10T05:00:00Z

ABSTRACT: Information on the past and present orientation of the Earth's magnetic field is available from the National Geophysical Data Center (NGDC) which serves as the national data bank for geomagnetic ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[NOAA-NMMR]gov.noaa.ngdc.G00590 -180.0,-90.0,180.0,90.0 1938-01-01T00:00:00Z T00:00:00Z 2011-03-07T05:00:00Z

ABSTRACT: The National Geophysical Data Center receives the K indices on a current basis from approximately 85 observatories. The K index is a quasi-logarithmic local index of the 3-hourly range in ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[NOAA-NMMR]gov.noaa.ngdc.G00583 -180.0,-90.0,180.0,90.0 1957-01-01T00:00:00Z T00:00:00Z 2011-03-07T05:00:00Z

ABSTRACT: The National Geophysical Data Center receives magnetograms from over 200 geomagnetic observatories. The Center archives data from 1867 to the present, however the primary holdings are from ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEDAR_NCAR_HAO -180.0,-90.0,180.0,90.0 1966-01-01T00:00:00Z T00:00:00Z 2010-09-22T04:00:00Z

The Coupling, Energetics, and Dynamics of Atmospheric regions (CEDAR) is a program sponsored by the National Science Foundation (NSF) designed to enhance the capability of ground-based instruments ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEDAR_GEO_INDICES -180.0,-90.0,180.0,90.0 1966-01-01T00:00:00Z T00:00:00Z 2010-09-22T04:00:00Z

The Coupling, Energetics, and Dynamics of Atmospheric Regions (CEDAR) Data Base has some files of geophysical indices. These include Dst, Kp, ap, AP, solar 10.7 cm flux, sunspot number, AE indices, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K101_1983_1984_NZ_1 160.0,-78.0,-170.0,-70.0 1984-02-01T00:00:00Z 1984-02-28T00:00:00Z 2009-06-30T04:00:00Z

The geological structure and processes of parts of the Ross Sea continental shelf and margin was investigated via the USGS research ship S.P.LEE. The geological structure was investigated from the ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]SEL-01 -180.0,-90.0,180.0,90.0 1990-01-01T00:00:00Z T00:00:00Z 2009-06-11T04:00:00Z

The NOAA Space Environment Laboratory collects, evaluates, and distributes data relating to space plasma events, solar activity, and cosmic ray particle activity on a nearly real-time basis. Space ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ACE_RTSW 1997-08-25T00:00:00Z T00:00:00Z 2009-03-30T04:00:00Z

Advanced Composition Explorer (ACE) Real-Time Solar Wind (RTSW) Data from NOAA's Space Environment Center (SEC) provides up to an hour's advance warning of unusual solar activity, such ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CN_NADC_FM_ZS_1997-2000 76.38,-69.37,76.38,-69.37 1997-01-01T00:00:00Z 2000-12-31T00:00:00Z 2009-01-21T05:00:00Z

This observation was started in Jan. 1997 at China's Zhongshan Station, Antarctica. It is designed to observe earth's magnetic field including the horizontal component in north-south direction ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]1998-2000_S_ZS_GP01_LO_2002 83.2,-79.0,109.0,-68.4 1998-03-01T00:00:00Z T00:00:00Z 2009-01-21T05:00:00Z

This is a Sino-Japan collaborative observation at Zhongshan, Antarctica, which commenced March 1998 (Principal Investigators: Prof. Natsuo Sato, National Institute of Polar Research and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]EARTH_INT_USGS_NPRA_GAMMA_MAG1 -162.0,60.0,-152.0,70.0 1977-01-01T00:00:00Z 1978-12-31T00:00:00Z 2008-08-14T04:00:00Z

The National Petroleum Reserve in Alaska (NPRA) is located in the primitive wilderness of Alaska's North Slope. The U.S. Geological Survey (USGS) began some geological surveying in this ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ENVIRONET -180.0,-90.0,180.0,90.0 2008-05-29T04:00:00Z

The National Space Science Data Center (NSSDC) at NASA/Goddard Space Flight Center has many space physics and space weather models available on: - Gavitation and Geopotential Models - Atmospheric ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GEOMAG 140.0,10.0,-60.0,75.0 1985-01-01T00:00:00Z T00:00:00Z 2008-05-27T04:00:00Z

Magnetometer data from the USGS observatories are available in two forms, 'preliminary' and 'definitive'. Preliminary data are available in near-real time, but they are unprocessed, they have not ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_760_geomag 45.0,-90.0,160.0,-65.0 1994-01-01T00:00:00Z 1997-12-01T00:00:00Z 2008-04-10T04:00:00Z

This data contains references to publications which were produced by the Australian Geological Survey Organisation (AGSO) between 1994 and 1997, using data from the Australian Antarctic geomagnetic ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_OFR_2007_1248 -107.0,36.0,-105.0,39.0 2006-10-01T00:00:00Z 2006-10-31T00:00:00Z 2007-10-30T04:00:00Z

This report contains digital data, image files, and text files describing data formats and survey procedures for aeromagnetic data collected during a survey covering the southwestern portion of Taos ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_OFR_2007_1208 -170.0,52.0,-132.0,79.0 2007-10-30T04:00:00Z

The Cenozoic basins of interior Alaska are poorly understood, but may host undiscovered hydrocarbon resources in sufficient quantities to serve remote villages and for possible export. Purported oil ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_OFR_2006_1136 -159.19,58.3,-155.45,60.06 2005-09-01T00:00:00Z 2005-10-22T00:00:00Z 2006-06-15T04:00:00Z

This is a USGS Open-File-Report for the preliminary release of aeromagnetic data collected in the Dillingham Area of Southwest Alaska and associated contractor reports. An airborne high-resolution ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_OFR_2005_1328 125.0,32.0,114.0,42.0 1996-01-01T00:00:00Z 2002-12-31T00:00:00Z 2005-10-06T04:00:00Z

This web site contains digital data files and descriptions of aeromagnetic data collected in California and Nevada through contracts for the U.S. Geological Survey between 1996 and 2002. The survey ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]JCADM_CDA_DNA_IONOSPHYSICS -67.103,-68.13,-67.103,-68.13-36.917,-77.967,-36.917,-77.967-34.627,-77.875,-34.627,-77.875 1963-01-01T00:00:00Z 1979-12-31T00:00:00Z 1980-01-01T00:00:00Z T00:00:00Z 1991-01-01T00:00:00Z T00:00:00Z 2005-07-28T04:00:00Z

Vertical incidence ionosoundings are being performed at the Belgrano and San Martmn stations. Ionospheric cosmic noise absorption is continuously recorded at the same stations, at a frequency of ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MSIS_Model -180.0,-90.0,180.0,90.0 2005-07-28T04:00:00Z

The Mass-Spectrometer-Incoherent-Scatter (MSIS) model describes the neutral temperature and densities in the Upper Atmosphere (above about 100 km). MSIS-86 constitutes the upper part of the COSPAR ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_OFR_2005_1132 -124.9,32.02,-113.61,42.51-120.35,34.65,-113.69,42.34 2005-04-20T04:00:00Z

High-resolution aeromagnetic surveys of the Amargosa Desert region, California and Nevada, exhibit a diverse array of magnetic anomalies reflecting a wide range of mid- and upper-crustal lithologies. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_OFR_2003_080 -75.69,38.8,-73.78,41.47 2004-12-07T05:00:00Z

Aeromagnetic anomalies are due to variations in the Earth's magnetic field caused by the uneven distribution of magnetic minerals (primarily magnetite) in the rocks that make up the upper part of ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BGS_Dataset_Ref.No.331 -180.0,-90.0,180.0,90.0 1997-10-13T04:00:00Z

This dataset contains geomagnetic activity indices held by the British Geological Survey. The dataset has global coverage and is currently active, being updated as records are obtained. The database ...