Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-24T10:23:08Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 22 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ASF00008 175.0,12.2,-56.8,58.2-61.5,60.2,-26.1,82.0-24.0,63.2,-13.3,66.7 2008-07-30T00:00:00Z T00:00:00Z 2011-11-15T05:00:00Z

Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR), a JPL built and operated, reconfigurable, polarimetric L-band synthetic aperture radar (SAR), is specifically designed to acquire airborne ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ALOS_Data_JAXA_EOC -180.0,-90.0,180.0,90.0 2011-07-28T04:00:00Z

ALOS is a comprehensive earth observing satellite system which includes optical sensors for high resolution observation, wide area observation, and fine accuracy ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]gov.noaa.ncdc.C00526 -180.0,-90.0,180.0,90.0 2011-07-21T04:00:00Z

Federal Meteorological Handbook is a publication available at the National Climatic Data Center (NCDC). There are currently four publications offered at the NCDC under the general category of Federal ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ADF_PDRS -180.0,-90.0,180.0,-60.0-180.0,60.0,180.0,90.0 1978-07-24T00:00:00Z 1978-08-11T00:00:00Z 2011-04-15T04:00:00Z

The PDRS (Polar Data Reference Set) is a subset of the Seasat Altimeter sensor data record (SDR) archive maintained at the ADF (Algorithm Development Facility), part of the EODC (Earth Observation ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ASA_APP_1P -27.0,35.0,60.0,72.0 2009-04-27T04:00:00Z

This is a stand-alone multi-look, ground range, narrow swath digital image generated using the SPECAN 2.6.1.2.4. algorithm and the most up to date auxiliary information ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]atrs -180.0,-90.0,180.0,-70.0 2008-09-02T04:00:00Z

Developmental airborne coherent radar sounding data collected over a variety of sounding targets in Antarctica, including a full gridded survey of subglacial Lake Vostok and its environs. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]AIRSAR_NASA_JPL -130.0,20.0,-65.0,50.0 1993-01-01T00:00:00Z T00:00:00Z 2008-08-14T04:00:00Z

AirSAR is an airborne Synthetic Aperature Radar imaging radar instrument. AirSAR has been flown on many flights and is involved in many experiments. The AirSAR data and image database ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]alos2_Level1.0_of_palsar -180.0,-90.0,180.0,90.0 2008-07-24T04:00:00Z

The Level 1.0 of PALSAR is a reconstructed, unprocessed signal data appended with radiometric and geometric correction coefficients (appended but not applied). ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]alos2_Level1.1_of_palsar -180.0,-90.0,180.0,90.0 2008-07-24T04:00:00Z

Level 1.1 of PALSAR (ALOS) Data is range and azimuth compressed, and complex data on slant range. Data files are Individual for each polarization ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]alos2_Level1.5_of_palsar -180.0,-90.0,180.0,90.0 2008-07-24T04:00:00Z

Level 1.5 of PALSAR is a multi-look processed image projected to map coordinates. The following correction options are available. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]alos2_palsar -180.0,-90.0,180.0,90.0 2008-07-24T04:00:00Z

The Phased Array type L-band Synthetic Aperture Radar (PALSAR) is an active microwave sensor using L-band frequency to achieve cloud-free and day-and-night land ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ASA_IM_0P -27.0,35.0,60.0,72.0 2006-12-19T05:00:00Z

The Image Mode Level 0 product consists of time-ordered Annotated Instrument Source Packets (AISPs) collected while the instrument is in Image Mode. The echo samples contained in the AISPs are compressed ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ASA_APG_1P -27.0,35.0,60.0,72.0 2006-12-19T05:00:00Z

This is a multi-look image generated upon request using the SPECAN 2.6.1.2.4. algorithm and the most up to date auxiliary information available at the time of processing. Engineering corrections and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ASA_APM_1P -27.0,35.0,60.0,72.0 2006-12-19T05:00:00Z

This stripline product is processed to approximately 150 m resolution using the SPECAN 2.6.1.2.4. algorithm and contains radiometric resolution good enough for ice applications and covers a continuous ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ASA_APS_1P -27.0,35.0,60.0,72.0 2006-12-19T05:00:00Z

This stand-alone narrow swath product uses the Range Doppler 2.6.1.2.3. algorithm and the most up to date processing parameters available at the time of processing. The product can be used to derive ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ASA_IMG_1P -27.0,35.0,60.0,72.0 2006-12-19T05:00:00Z

This stand-alone Image Mode Geocoded SAR image is generated in either HH or VV polarisation, using the Range/Doppler 2.6.1.2.3. algorithm with the best available instrument corrections. The product ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ASA_IMM_1P -27.0,35.0,60.0,72.0 2006-12-19T05:00:00Z

ASAR product generated from Level 0 data collected when the instrument is in Image Mode. This product has lower resolution but higher radiometric resolution than the ASA_IMP. The product covers a ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ASA_IMP_1P -27.0,35.0,60.0,72.0 2006-12-19T05:00:00Z

This is a multi-look, ground range, digital image. Generated from Level 0 data collected when the instrument is in Image Mode (7 possible swaths HH or VV polarisation). The product includes slant ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ASA_IMS_1P -27.0,35.0,60.0,72.0 2006-12-19T05:00:00Z

The Image Mode Single-Look Complex (ASA_IMS_1P) products are stand alone, phase-preserved images. They are generated using up-to-date auxiliary parameters (at time of processing), using the Range-Doppler ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ASA_Inventory -180.0,-90.0,180.0,90.0 2004-05-11T04:00:00Z

These data sets comprise the ENVISAT Advanced Synthetic Aperature Radar (ASAR) Image Mode (IM) products: Ellipsoid Geocoded Image Product Medium-resolution Image Product Precision Image Product Single-Look ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USAFETAC_AIRYR -180.0,-90.0,180.0,90.0 1975-10-01T00:00:00Z T00:00:00Z 2004-02-23T05:00:00Z

Consists of aircraft reports collected worldwide, with the greatest concentration over the U.S. and along major air routes, Types of reports included are: RECCO (reconnaissance observation) COMBAR ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]UNAVCO_WWW -180.0,-90.0,180.0,90.0 2003-12-21T05:00:00Z

The University NAVSTAR Consortium (UNAVCO) is a national organization which provides resources for the collection and archive of Global Positioning System (GPS) data. A catalog of the data collected ...