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Application of Multi-temporal TerraSAR-X Data to Map Winter Wheat Planted Areas in Hokkaido, Japan

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Title: Application of Multi-temporal TerraSAR-X Data to Map Winter Wheat Planted Areas in Hokkaido, Japan
Authors: SONOBE, Rei Browse this author
TANI, Hiroshi Browse this author →KAKEN DB
WANG, Xiufeng Browse this author →KAKEN DB
KOBAYASHI, Nobuyuki Browse this author
KIMURA, Atsushi Browse this author
SHIMAMURA, Hideki Browse this author
Keywords: backscattering coefficient
crop types identification
Issue Date: Oct-2014
Publisher: 独立行政法人国際農林水産業研究センター(JIRCAS)
Journal Title: Japan Agricultural Research Quarterly
Volume: 48
Issue: 4
Start Page: 465
End Page: 470
Abstract: Winter wheat is an important crop for many countries, and monitoring of its planted area is considered important. Optical sensors have been used to monitor agricultural land, and have shown good classification and monitoring capabilities. However, observations using optical sensors sometimes suffer from interference due to cloud cover or rain. In contrast, synthetic aperture radars (SAR) can be used for Earth observation even under rainy, cloudy or dark conditions, hence SAR is expected to be effective in monitoring agricultural fields and identifying winter wheat fields. The objective of this study is to analyze the potential of TerraSAR-X dual images, in the StripMap mode, for mapping winter wheat planted areas. Using the separability statistic (D), it emerged that the sigma naught acquired in mid-July possesses great potential. The method applied in this study has an overall accuracy exceeding 96% for HH and VV polarization data for identifying winter wheat fields.
Type: article
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 薗部 礼

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