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Polarimetric Features of Oyster Farm Observed by AIRSAR and JERS-1
http://hdl.handle.net/10191/4991
http://hdl.handle.net/10191/4991328ee1d8-15b3-48da-8d81-1f90d030f1ff
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-09-10 | |||||
タイトル | ||||||
タイトル | Polarimetric Features of Oyster Farm Observed by AIRSAR and JERS-1 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Polarimetric Features of Oyster Farm Observed by AIRSAR and JERS-1 | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Double-bounce scattering | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | L-band polarimetric Airborne Synthetic Aperture Radar (AIRSAR) | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | radar polarimetry | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | single-bounce scattering | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | tide | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Lee, S. -K.
× Lee, S. -K.× Hong, S. -H.× Kim, S. -W.× Yamaguchi, Y.× Won, J. -S. |
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著者別名 | ||||||
識別子 | 19 | |||||
識別子Scheme | WEKO | |||||
姓名 | 山口, 芳雄 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The polarimetric features of an oyster farm in a coastal area are analyzed to verify the applicability of radar polarimetry and interferometry. L-band Airborne Synthetic Aperture Radar (AIRSAR) data and Japan Earth Resources Satellite (JERS-1) data are used to examine the unique structure of an oyster farm located in South Korea. A specific feature of the oyster farm is the presence of numerous arrays of structures of various orientations that consist of exercise-bar-shaped poles protruding above sea level. This paper demonstrates that tide level is strongly correlated with the double-bounce scattering power from the vertical pole structures. This phenomenon is also verified by laboratory measurements using a network analyzer. In the laboratory experiment, double-bounce scattering and total power showed increasing trends with increased height of the vertical poles. Single-bounce scattering is sensitive to the orientation of horizontal poles relative to antenna orientation. HH-polarization is the most effective technique for imaging oyster farms from L-band polarimetric AIRSAR data. The authors were able to use a three-component decomposition of the AIRSAR data to distinguish an exposed tidal flat from a submerged tidal flat. The characteristics of the exposed tidal flat are similar to those of the carbon sponge in the laboratory test, except that the double-bounce scattering power is slightly greater in the real-world example. The single-bounce scattering component in AIRSAR data is generally greater than that in laboratory measurements because of sea-surface conditions and oyster growth. When the horizontal pole was aligned normal to the radar look direction, single-bounce scattering was greater than the double-bounce scattering, even under water-covered conditions. While a difference in tide height of 10 cm contributed approximately 3.0 dB in the laboratory experiment, a difference in tide height of 20 cm contributed to only approximately 1.7 dB in the JERS-1 SAR image intensity. JERS-1 SAR image intensity for areas dominated by double- and single-bounce scattering was 0.78 and 0.56, respectively. Results confirm that polarimetric SAR data are useful in selecting areas dominated by double-bounce scattering in oyster farms. | |||||
書誌情報 |
IEEE transactions on geoscience and remote sensing en : IEEE transactions on geoscience and remote sensing 巻 44, 号 10, p. 2728-2735, 発行日 2006-10 |
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出版者 | ||||||
出版者 | IEEE | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 01962892 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00231483 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1109/TGRS.2006.879107 | |||||
権利 | ||||||
権利情報 | ©(2006) IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained the IEEE. | |||||
著者版フラグ | ||||||
値 | publisher |