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Summary
The SMMR Prabhakara integrated atmospheric water vapor files were
generated by Dr. Prabhakara Cuddapah at the Goddard Space Flight
Center (GSFC) using SMMR Antenna Temperatures. A discussion of the
SMMR Antenna Temperatures is available from the Langley Research
Center Distributed Active Archive Center (DAAC). Each IWV file
contains one month of 3 degree by 5 degree gridded mean water vapor.
A scale factor of 0.1 must be applied to convert the data into units
of g/cm2. The data spans the period from October 1979 to September 1983.

Geographic Coverage Spatial coordinates   

N: 75.0

S: -75.0

E: 180.0

W: -180.0

Temporal Coverage

Start Date: 1979-10-01 Stop Date: 1983-09-30

Location Keywords

GEOGRAPHIC REGION > GLOBAL VERTICAL LOCATION > TROPOSPHERE

Data Resolution

Latitude Resolution: 3 Degree Longitude Resolution: 5 Degree Horizontal Resolution Range: 250 km - < 500 km or approximately 2.5 degrees - < 5.0 degrees Temporal Resolution: Monthly Temporal Resolution Range: Monthly - < Annual Horizontal Resolution Range: 500 km - < 1000 km or approximately 5 degrees - < 10 degrees

Science Keywords

ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR > COLUMNAR WATER VAPOR ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR > INTEGRATED WATER VAPOR ATMOSPHERE > ATMOSPHERIC WATER VAPOR > HUMIDITY

ISO Topic Category

CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

Platform

NIMBUS-7

Instrument

SMMR > Scanning Multichannel Microwave Radiometer

Project

ESIP > Earth Science Information Partners Program EOSDIS > Earth Observing System Data Information System

Ancillary Keywords

ATMOSPHERIC MOISTURE COLUMNAR WATER VAPOR EOSDIS INTEGRATED LIQUID WATER VAPOR PASSIVE MICROWAVE

Originating Center

LARC_DAAC

Data Center

Atmospheric Science Data Center, Science Directorate, Langley Research Center, NASA Data Center URL: http://eosweb.larc.nasa.gov/ Dataset ID: SMMR_IWV_PRABHAKARA Data Center Personnel Name: ASDC USER SERVICES Phone: 757-864-8656 Fax: 757-864-8807 Email: larc at eos.nasa.gov Contact Address: NASA Langley Atmospheric Science Data Center User and Data Services NASA Langley Research Center 2 South Wright Street Mail Stop 157D Building 1268C City: Hampton Province or State: VA Postal Code: 23681-2199 Country: USA Langley Research Center Distributed Active Archive Center, Science Directorate, Langley Research Center, NASA Data Center URL: http://eosweb.larc.nasa.gov/ Data Center Personnel Name: ASDC USER SERVICES Phone: 757-864-8656 Fax: 757-864-8807 Email: larc at eos.nasa.gov Contact Address: NASA Langley Atmospheric Science Data Center User and Data Services NASA Langley Research Center 2 South Wright Street Mail Stop 157D Building 1268C City: Hampton Province or State: VA Postal Code: 23681-2199 Country: USA

Personnel

MICHAEL GOODMAN Role: TECHNICAL CONTACT Phone: (256) 961-7890 Fax: (256) 961-7723 Email: michael.goodman at msfc.nasa.gov Contact Address: Global Hydrology and Climate Center 320 Sparkman Drive City: Huntsville Province or State: AL Postal Code: 35805 Country: USA CUDDAPAH NIL PRABHAKARA Role: INVESTIGATOR Phone: (301) 286 5390 Fax: (301) 286 1759 Email: cuddapah at climate.gsfc.nasa.gov Contact Address: Code 913 Climate and Radiation Branch Laboratory for Atmosphere GSFC, NASA City: GREENBELT Province or State: MD Postal Code: 20771 Country: USA

Related URL

Link: GET DATA Description: Access dataset SMMR_IWV_PRABHAKARA.

Publications/References

Prabhakara, C., H. D. Chang, and T. C. Chang, 1982: Remote Sensing of
Precipitable Water over the Oceans from Nimbus 7 Microwave
Measurements. J. Appl. Meteor., Vol. 21, No. 1, 59-68.

Prabhakara, C., G. Dalu, J. J. Nucciarone, and G. L. Liberti, 1992:
Rainfall over Oceans: Remote Sensing from Satellite Microwave
Radiometers. Meteorol, Atmos. Phys., 47, 177-199.

Creation and Review Dates

Last DIF Revision Date: 2006-05-10

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