Aquarius Brightness Temperature Variations at Dome C and Snow Metamorphism at the Surface
The Antarctic Plateau is a promising site to monitor microwave radiometers' drift, and to inter-calibrate microwave radiometers, especially 1.4 GHz (L-band) radiometers on board the Soil Moisture and Ocean Salinity (SMOS), and AquariusSAC-D missions. The Plateau is a thick ice cover, thermally...
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ftnasantrs:oai:casi.ntrs.nasa.gov:20150000372 2023-05-15T13:33:56+02:00 Aquarius Brightness Temperature Variations at Dome C and Snow Metamorphism at the Surface Champollion, Nicolas Picard, Ghislain Brucker, Ludovic Dinnat, Emmanuel Phillippe Unclassified, Unlimited, Publicly available July 13, 2014 application/pdf http://hdl.handle.net/2060/20150000372 unknown Document ID: 20150000372 http://hdl.handle.net/2060/20150000372 Copyright, Distribution as joint owner in the copyright CASI Geosciences (General) GSFC-E-DAA-TN17707 International Geoscience and Remote Sensing Symposium; 13-18 Jul. 2014; Quebec; Canada 2014 ftnasantrs 2019-07-21T00:19:49Z The Antarctic Plateau is a promising site to monitor microwave radiometers' drift, and to inter-calibrate microwave radiometers, especially 1.4 GHz (L-band) radiometers on board the Soil Moisture and Ocean Salinity (SMOS), and AquariusSAC-D missions. The Plateau is a thick ice cover, thermally stable in depth, with large dimensions, and relatively low heterogeneities. In addition, its high latitude location in the Southern Hemisphere enables frequent observations by polar-orbiting satellites, and no contaminations by radio frequency interference. At Dome C (75S, 123E), on the Antarctic Plateau, the substantial amount of in-situ snow measurements available allows us to interpret variations in space-borne microwave brightness temperature (TB) (e.g. Macelloni et al., 2007, 2013, Brucker et al., 2011, Champollion et al., 2013). However, to analyze the observations from the Aquarius radiometers, whose sensitivity is 0.15 K, the stability of the snow layers near the surface that are most susceptible to rapidly change needs to be precisely assessed. This study focuses on the spatial and temporal variations of the Aquarius TB over the Antarctic Plateau, and at Dome C in particular, to highlight the impact of snow surface metamorphism on the TB observations at L-band. Other/Unknown Material Antarc* Antarctic NASA Technical Reports Server (NTRS) Antarctic The Antarctic |
institution |
Open Polar |
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NASA Technical Reports Server (NTRS) |
op_collection_id |
ftnasantrs |
language |
unknown |
topic |
Geosciences (General) |
spellingShingle |
Geosciences (General) Champollion, Nicolas Picard, Ghislain Brucker, Ludovic Dinnat, Emmanuel Phillippe Aquarius Brightness Temperature Variations at Dome C and Snow Metamorphism at the Surface |
topic_facet |
Geosciences (General) |
description |
The Antarctic Plateau is a promising site to monitor microwave radiometers' drift, and to inter-calibrate microwave radiometers, especially 1.4 GHz (L-band) radiometers on board the Soil Moisture and Ocean Salinity (SMOS), and AquariusSAC-D missions. The Plateau is a thick ice cover, thermally stable in depth, with large dimensions, and relatively low heterogeneities. In addition, its high latitude location in the Southern Hemisphere enables frequent observations by polar-orbiting satellites, and no contaminations by radio frequency interference. At Dome C (75S, 123E), on the Antarctic Plateau, the substantial amount of in-situ snow measurements available allows us to interpret variations in space-borne microwave brightness temperature (TB) (e.g. Macelloni et al., 2007, 2013, Brucker et al., 2011, Champollion et al., 2013). However, to analyze the observations from the Aquarius radiometers, whose sensitivity is 0.15 K, the stability of the snow layers near the surface that are most susceptible to rapidly change needs to be precisely assessed. This study focuses on the spatial and temporal variations of the Aquarius TB over the Antarctic Plateau, and at Dome C in particular, to highlight the impact of snow surface metamorphism on the TB observations at L-band. |
format |
Other/Unknown Material |
author |
Champollion, Nicolas Picard, Ghislain Brucker, Ludovic Dinnat, Emmanuel Phillippe |
author_facet |
Champollion, Nicolas Picard, Ghislain Brucker, Ludovic Dinnat, Emmanuel Phillippe |
author_sort |
Champollion, Nicolas |
title |
Aquarius Brightness Temperature Variations at Dome C and Snow Metamorphism at the Surface |
title_short |
Aquarius Brightness Temperature Variations at Dome C and Snow Metamorphism at the Surface |
title_full |
Aquarius Brightness Temperature Variations at Dome C and Snow Metamorphism at the Surface |
title_fullStr |
Aquarius Brightness Temperature Variations at Dome C and Snow Metamorphism at the Surface |
title_full_unstemmed |
Aquarius Brightness Temperature Variations at Dome C and Snow Metamorphism at the Surface |
title_sort |
aquarius brightness temperature variations at dome c and snow metamorphism at the surface |
publishDate |
2014 |
url |
http://hdl.handle.net/2060/20150000372 |
op_coverage |
Unclassified, Unlimited, Publicly available |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
CASI |
op_relation |
Document ID: 20150000372 http://hdl.handle.net/2060/20150000372 |
op_rights |
Copyright, Distribution as joint owner in the copyright |
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1766047196609773568 |