On the Quality of Cfosat Scatterometer Winds

On the Quality of Cfosat Scatterometer Winds

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2019 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2019), 28 July - 2 August 2019, Yokohama, Japan.-- 4 pages, 4 figures, 1 table

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Main Authors: Lin, Wenming, Portabella, Marcos, Lang, Shuyan, Dong, Xiao-long, Xu, Xing-ou, Wang, Zhixiong, He, Yijun
Format: capítulo de libro biblioteca
Published: Institute of Electrical and Electronics Engineers 2019-07
Online Access:http://hdl.handle.net/10261/205556
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spelling dig-icm-es-10261-2055562021-12-01T12:49:45Z On the Quality of Cfosat Scatterometer Winds Lin, Wenming Portabella, Marcos Lang, Shuyan Dong, Xiao-long Xu, Xing-ou Wang, Zhixiong He, Yijun 2019 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2019), 28 July - 2 August 2019, Yokohama, Japan.-- 4 pages, 4 figures, 1 table The sea surface winds from the CFOSAT scatterometer (CFOSCAT) are retrieved using the maximum likelihood estimator, and the inversion residual is used to sort the good-quality winds from the poor-quality ones. A two-dimensional variational analysis ambiguity removal (2DVAR) scheme is then applied over the CFOSCAT swath such that a unique wind field is selected from the available local scatterometer wind vector ambiguities. The preliminary results of CFOSCAT Level 2 (L2) processing show that the retrieved wind speed is overestimated under low-wind conditions (w <; 4 m/s), and is underestimated at high wind conditions (w > 15 m/s). Moreover, the inversion residual for the sweet swath (where there are more than 10 views) is generally higher than that for the nadir/outer swath. These imply that observations with different geometries (views) at the same WVC are inconsistent with respect to the geophysical model function, and thus a comprehensive calibration is highly demanded. A more detailed assessment of the CFOSCAT wind quality will be carried out after calibration and validation campaign 2020-03-27T13:08:17Z 2020-03-27T13:08:17Z 2019-07 2020-03-27T13:08:18Z capítulo de libro http://purl.org/coar/resource_type/c_3248 isbn: 978-1-5386-9154-0 issn: 2153-7003 IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium : Proceedings (2019) http://hdl.handle.net/10261/205556 10.1109/IGARSS.2019.8898841 Postprint https://doi.org/10.1109/IGARSS.2019.8898841 Sí open Institute of Electrical and Electronics Engineers
institution ICM ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-icm-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del ICM España
description 2019 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2019), 28 July - 2 August 2019, Yokohama, Japan.-- 4 pages, 4 figures, 1 table
format capítulo de libro
author Lin, Wenming
Portabella, Marcos
Lang, Shuyan
Dong, Xiao-long
Xu, Xing-ou
Wang, Zhixiong
He, Yijun
spellingShingle Lin, Wenming
Portabella, Marcos
Lang, Shuyan
Dong, Xiao-long
Xu, Xing-ou
Wang, Zhixiong
He, Yijun
On the Quality of Cfosat Scatterometer Winds
author_facet Lin, Wenming
Portabella, Marcos
Lang, Shuyan
Dong, Xiao-long
Xu, Xing-ou
Wang, Zhixiong
He, Yijun
author_sort Lin, Wenming
title On the Quality of Cfosat Scatterometer Winds
title_short On the Quality of Cfosat Scatterometer Winds
title_full On the Quality of Cfosat Scatterometer Winds
title_fullStr On the Quality of Cfosat Scatterometer Winds
title_full_unstemmed On the Quality of Cfosat Scatterometer Winds
title_sort on the quality of cfosat scatterometer winds
publisher Institute of Electrical and Electronics Engineers
publishDate 2019-07
url http://hdl.handle.net/10261/205556
work_keys_str_mv AT linwenming onthequalityofcfosatscatterometerwinds
AT portabellamarcos onthequalityofcfosatscatterometerwinds
AT langshuyan onthequalityofcfosatscatterometerwinds
AT dongxiaolong onthequalityofcfosatscatterometerwinds
AT xuxingou onthequalityofcfosatscatterometerwinds
AT wangzhixiong onthequalityofcfosatscatterometerwinds
AT heyijun onthequalityofcfosatscatterometerwinds
_version_ 1777667163313668096

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