Validation of total water vapor retrieval with an airborne millimeter wave radiometer over Arctic sea ice
2001 were used to validate a total water vapor (TWV) algorithm. This is a modified version of an algorithm developed by Miao et al. [2001] using SSM/T2 data in the Antarctic. Data from a passive microwave radiometer with channels at 157, 183 � 7, 183 � 3, and 183 � 1 GHz have been used. Dropsondes w...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.182.1647 2023-05-15T13:50:35+02:00 Validation of total water vapor retrieval with an airborne millimeter wave radiometer over Arctic sea ice Nathalie Selbach Tim J. Hewison Georg Heygster Jungang Miao Andrew J. Mcgrath Jonathan P. Taylor The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.182.1647 http://www.aao.gov.au/local/www/ajm/radiosci.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.182.1647 http://www.aao.gov.au/local/www/ajm/radiosci.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.aao.gov.au/local/www/ajm/radiosci.pdf water vapor microwave radiometry remote sensing polar atmosphere text ftciteseerx 2016-01-07T16:29:17Z 2001 were used to validate a total water vapor (TWV) algorithm. This is a modified version of an algorithm developed by Miao et al. [2001] using SSM/T2 data in the Antarctic. Data from a passive microwave radiometer with channels at 157, 183 � 7, 183 � 3, and 183 � 1 GHz have been used. Dropsondes were launched from the aircraft during the flights to provide ground truth for the validation of the algorithm. The surface emissivity is assumed to be the same for the frequencies used. In general, there is a good agreement with TWV derived from dropsondes using the 183 GHz data only. This assumption leads to systematic errors in the estimation of TWV if the 157 GHz data are used in combination with measurements at 183 GHz. The high surface emissivity in regions of new ice is shown to lead to errors as a result of the strong influence of the surface. The difference in emissivity between 157 GHz and 183 GHz is larger over open water than over the sea ice, and therefore the error in TWV using the lower frequencies Text Antarc* Antarctic Arctic Sea ice Unknown Antarctic Arctic The Antarctic |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
ftciteseerx |
language |
English |
topic |
water vapor microwave radiometry remote sensing polar atmosphere |
spellingShingle |
water vapor microwave radiometry remote sensing polar atmosphere Nathalie Selbach Tim J. Hewison Georg Heygster Jungang Miao Andrew J. Mcgrath Jonathan P. Taylor Validation of total water vapor retrieval with an airborne millimeter wave radiometer over Arctic sea ice |
topic_facet |
water vapor microwave radiometry remote sensing polar atmosphere |
description |
2001 were used to validate a total water vapor (TWV) algorithm. This is a modified version of an algorithm developed by Miao et al. [2001] using SSM/T2 data in the Antarctic. Data from a passive microwave radiometer with channels at 157, 183 � 7, 183 � 3, and 183 � 1 GHz have been used. Dropsondes were launched from the aircraft during the flights to provide ground truth for the validation of the algorithm. The surface emissivity is assumed to be the same for the frequencies used. In general, there is a good agreement with TWV derived from dropsondes using the 183 GHz data only. This assumption leads to systematic errors in the estimation of TWV if the 157 GHz data are used in combination with measurements at 183 GHz. The high surface emissivity in regions of new ice is shown to lead to errors as a result of the strong influence of the surface. The difference in emissivity between 157 GHz and 183 GHz is larger over open water than over the sea ice, and therefore the error in TWV using the lower frequencies |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Nathalie Selbach Tim J. Hewison Georg Heygster Jungang Miao Andrew J. Mcgrath Jonathan P. Taylor |
author_facet |
Nathalie Selbach Tim J. Hewison Georg Heygster Jungang Miao Andrew J. Mcgrath Jonathan P. Taylor |
author_sort |
Nathalie Selbach |
title |
Validation of total water vapor retrieval with an airborne millimeter wave radiometer over Arctic sea ice |
title_short |
Validation of total water vapor retrieval with an airborne millimeter wave radiometer over Arctic sea ice |
title_full |
Validation of total water vapor retrieval with an airborne millimeter wave radiometer over Arctic sea ice |
title_fullStr |
Validation of total water vapor retrieval with an airborne millimeter wave radiometer over Arctic sea ice |
title_full_unstemmed |
Validation of total water vapor retrieval with an airborne millimeter wave radiometer over Arctic sea ice |
title_sort |
validation of total water vapor retrieval with an airborne millimeter wave radiometer over arctic sea ice |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.182.1647 http://www.aao.gov.au/local/www/ajm/radiosci.pdf |
geographic |
Antarctic Arctic The Antarctic |
geographic_facet |
Antarctic Arctic The Antarctic |
genre |
Antarc* Antarctic Arctic Sea ice |
genre_facet |
Antarc* Antarctic Arctic Sea ice |
op_source |
http://www.aao.gov.au/local/www/ajm/radiosci.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.182.1647 http://www.aao.gov.au/local/www/ajm/radiosci.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766253749546778624 |