NDLI: HAMSTRAD-Tropo, A 183-GHz Radiometer Dedicated to Sound Tropospheric Water Vapor Over Concordia Station, Antarctica

Content Provider	IEEE Xplore Digital Library
Author	Ricaud, P. Gabard, B. Derrien, S. Chaboureau, J.-P. Rose, T. Mombauer, A. Czekala, H.
Copyright Year	1980
Abstract	The H₂O Antarctica Microwave Stratospheric and Tropospheric Radiometers (HAMSTRAD) program aims to develop two ground-based microwave radiometers to sound tropospheric and stratospheric water vapor (H₂O) above Dome C (Concordia Station), Antarctica (75°06^' S, 123°21^'E, 3233 m asml), an extremely cold and dry environment, over decades. By using state-of-the-art technology, the HAMSTRAD-Tropo radiometer uses spectral information in the domains 51-59 GHz (oxygen line) and 169-197 GHz (water vapor line) to derive accurate tropospheric profiles of temperature (with accuracy ranging from 1 to 2 K) and low absolute humidity (with accuracy ranging from 0.02 to 0.05 g · m^-3), together with integrated water vapor (with accuracy of about 0.008 kg · m^-2) and liquid water path. Prior to its installation at Dome C in January 2009, the fully automated radiometer has been deployed at the Pic du Midi (PdM, 42°56^'N, 0°08^'E, 2877 m asml, France) in February 2008 and was in operation for five months. Preliminary comparisons with radio soundings particularly launched in the vicinity of PdM in February 2008 and the outputs from the mesoscale MESO-NH model show a great consistency to within 0.2-0.3 g · m^-3 between all absolute humidity data sets whatever the atmosphere considered (extremely dry or wet).
Sponsorship	IEEE Geoscience and Remote Sensing Society IEEE URSI
Starting Page	1365
Ending Page	1380
Page Count	16
File Size	2499566
File Format	PDF
ISSN	01962892
Volume Number	48
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antarctica Microwave radiometry Atmospheric measurements Water Terrestrial atmosphere Humidity measurement Atmospheric modeling Microwave measurements Temperature distribution Protocols microwave radiometry humidity measurement microwave measurements
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Electrical and Electronic Engineering

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Quality Assessment of the First Measurements of Tropospheric Water Vapor and Temperature by the HAMSTRAD Radiometer Over Concordia Station, Antarctica

Validation of Tropospheric Water Vapor as Measured by the 183-GHz HAMSTRAD Radiometer Over the Pyrenees Mountains, France

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HAMSTRAD-Tropo, A 183-GHz Radiometer Dedicated to Sound Tropospheric Water Vapor Over Concordia Station, Antarctica

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HAMSTRAD-Tropo, A 183-GHz Radiometer Dedicated to Sound Tropospheric Water Vapor Over Concordia Station, Antarctica