On the Quality of Cfosat Scatterometer Winds
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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Institute of Electrical and Electronics Engineers
2019-07
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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 |
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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 |
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 |
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1777667163313668096 |