POLARIMETRIC OBSERVATION FOR RICE FIELD BY RADARSAT-2 AND ALOS/PALSAR

被引：0

作者：

Yonezawa, Chinatsu ^{[1
]}

Imai, Takahiro ^{[1
]}

Kunii, Daisuke ^{[1
]}

Watanabe, Manabu ^{[2
]}

Saito, Genya ^{[3
]}

机构：

[1] Tohoku Univ, Sendai, Miyagi 980, Japan

[2] JAXA, Tokyo, Japan

[3] Tokyo Inst Technol, Tokyo, Japan

来源：

2011 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2011年

基金：

日本学术振兴会;

关键词：

SAR; paddy rice; polarimetry; SCATTERING MODEL; BAND SAR;

D O I：

10.1109/IGARSS.2011.6049664

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Full polarimetric L-band ALOS PALSAR and C-band RADARSAT-2 datasets observing paddy rice field, JAPAN were analyzed by polarimetric decomposition method. From the analysis results by three component decomposition method, remarkable seasonal change is observed by double bounce scattering component ratio on ALOS PALSAR data. RADARSAT-2 data show more than 50% of volume scattering component and it increases with rice growth. Double bounce scattering component reached to 30 - 40% on PALSAR data, as of August, while it was less than 20% on RADARSAT-2 data. The difference of penetration depth on vegetation area between L-band and C-band may be cause of the difference of the scattering mechanism.

引用

页码：2282 / 2285

页数：4

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