Development of over-ocean SSM/I rain retrieval algorithm in the GSMaP project

Hiroshi Hashizume; Takuji Kubota; Kazumasa Aonashi; Shoichi Shige; Ken'ichi Okamoto

doi:10.1109/IGARSS.2006.669

Development of over-ocean SSM/I rain retrieval algorithm in the GSMaP project

Hiroshi Hashizume, Takuji Kubota, Kazumasa Aonashi, Shoichi Shige, Ken'ichi Okamoto

Institute of Development, Aging and Cancer (IDAC)

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

The Special Sensor Microwave/Imager (SSM/I) is essential in the Global Satellite Mapping of Precipitation (GSMaP) project for the reduction of sampling error. In this study, the SSM/I rain rate retrieval is simulated by the GSMaP core algorithm for the Tropical Rainfall Measuring Mission (TRMM)ZTRMM Microwave Imager (TMI) to evaluate the influence of the lack of the 10-GHz frequency channel and to demonstrate the extent that dual-polarization increases the range of the sensitivity of the vertically-polarized brightness temperature (Tb) at 19 GHz. The simplified normalized polarization difference is expected to perform best near the saturation of the vertically-polarized Tb avoiding the underestimation of rain rate in the vertically-polarized Tb at 19 GHz.

Original language	English
Title of host publication	2006 IEEE International Geoscience and Remote Sensing Symposium, IGARSS
Pages	2588-2591
Number of pages	4
DOIs	https://doi.org/10.1109/IGARSS.2006.669
Publication status	Published - 2006 Dec 1
Event	2006 IEEE International Geoscience and Remote Sensing Symposium, IGARSS - Denver, CO, United States Duration: 2006 Jul 31 → 2006 Aug 4

Publication series

Name	International Geoscience and Remote Sensing Symposium (IGARSS)

Other

Other	2006 IEEE International Geoscience and Remote Sensing Symposium, IGARSS
Country	United States
City	Denver, CO
Period	06/7/31 → 06/8/4

Keywords

Dual polarization
Microwave remote sensing
Precipitation

ASJC Scopus subject areas

Computer Science Applications
Earth and Planetary Sciences(all)

Access to Document

10.1109/IGARSS.2006.669

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Development of over-ocean SSM/I rain retrieval algorithm in the GSMaP project. / Hashizume, Hiroshi; Kubota, Takuji; Aonashi, Kazumasa; Shige, Shoichi; Okamoto, Ken'ichi.

2006 IEEE International Geoscience and Remote Sensing Symposium, IGARSS. 2006. p. 2588-2591 4241817 (International Geoscience and Remote Sensing Symposium (IGARSS)).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hashizume, H, Kubota, T, Aonashi, K, Shige, S & Okamoto, K 2006, Development of over-ocean SSM/I rain retrieval algorithm in the GSMaP project. in 2006 IEEE International Geoscience and Remote Sensing Symposium, IGARSS., 4241817, International Geoscience and Remote Sensing Symposium (IGARSS), pp. 2588-2591, 2006 IEEE International Geoscience and Remote Sensing Symposium, IGARSS, Denver, CO, United States, 06/7/31. https://doi.org/10.1109/IGARSS.2006.669

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abstract = "The Special Sensor Microwave/Imager (SSM/I) is essential in the Global Satellite Mapping of Precipitation (GSMaP) project for the reduction of sampling error. In this study, the SSM/I rain rate retrieval is simulated by the GSMaP core algorithm for the Tropical Rainfall Measuring Mission (TRMM)ZTRMM Microwave Imager (TMI) to evaluate the influence of the lack of the 10-GHz frequency channel and to demonstrate the extent that dual-polarization increases the range of the sensitivity of the vertically-polarized brightness temperature (Tb) at 19 GHz. The simplified normalized polarization difference is expected to perform best near the saturation of the vertically-polarized Tb avoiding the underestimation of rain rate in the vertically-polarized Tb at 19 GHz.",

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AU - Okamoto, Ken'ichi

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