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| 講演名 | 2014-10-23 15:00 Characterization of agricultural land abandonment based on Landsat and ALOS PALSAR multitemporal measurements ○Farrah Melissa Muharam（Univ. Putra Malaysia）・Wataru Takeuchi・Soni Darmawan（Univ. of Tokyo）・Muhamad Hafiz Abd Razak（FELCRA）  SANE2014-87 |
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| 抄録 | （和） | Abandoned land could be considered as land that holds potential for agricultural purposes but is not cultivated for three consecutive years or more. These lands are commonly scattered; causes a difficulty in monitoring them. The monitoring of land abandonment is vital due to food security issues, consequences on environment such as soil and water quality, carbon sequestration, nutrient cycling, and wasteful resources. Active and passive remote sensing sensors could be very powerful to identify and to monitor land use/land cover and agricultural land. This study is thus conducted to investigate the characteristics of agricultural land abandonment in the state of Perak, Malaysia based on ALOS PALSAR and LANDSAT measurements. The methodology of this study consists of collecting ALOS-PALSAR and LANDSAT multitemporal data, preprocessing, ground surveying, and characterizing the changes in spectral signature over times. 22 ALOS-PALSAR and 9 LANDSAT multitemporal images have been collected. PALSAR preprocessing includes converting Digital Number (DN) to backscatter HH and HV on decibel (dB) units, while LANDSAT preprocessing involves atmospheric correction, image normalization, and vegetation index generation. From the ground survey, 40 training samples have been collected in different classes of abandoned agricultural land: oil palm, rubber, paddy field, and forest, and non-abandoned classes of oil palm, rubber, paddy field, and forest. The result of this research shows that ALOS-PALSAR and LANDSAT could be utilized to characterize agricultural land abandonment due to different phonologies of agricultural crops. |
| （英） | Abandoned land could be considered as land that holds potential for agricultural purposes but is not cultivated for three consecutive years or more. These lands are commonly scattered; causes a difficulty in monitoring them. The monitoring of land abandonment is vital due to food security issues, consequences on environment such as soil and water quality, carbon sequestration, nutrient cycling, and wasteful resources. Active and passive remote sensing sensors could be very powerful to identify and to monitor land use/land cover and agricultural land. This study is thus conducted to investigate the characteristics of agricultural land abandonment in the state of Perak, Malaysia based on ALOS PALSAR and LANDSAT measurements. The methodology of this study consists of collecting ALOS-PALSAR and LANDSAT multitemporal data, preprocessing, ground surveying, and characterizing the changes in spectral signature over times. 22 ALOS-PALSAR and 9 LANDSAT multitemporal images have been collected. PALSAR preprocessing includes converting Digital Number (DN) to backscatter HH and HV on decibel (dB) units, while LANDSAT preprocessing involves atmospheric correction, image normalization, and vegetation index generation. From the ground survey, 40 training samples have been collected in different classes of abandoned agricultural land: oil palm, rubber, paddy field, and forest, and non-abandoned classes of oil palm, rubber, paddy field, and forest. The result of this research shows that ALOS-PALSAR and LANDSAT could be utilized to characterize agricultural land abandonment due to different phonologies of agricultural crops. | |
| キーワード | （和） | polarimetric / HH / HV / spectral signature / phenology / separation / / |
| （英） | polarimetric / HH / HV / spectral signature / phenology / separation / / | |
| 文献情報 | 信学技報, vol. 114, no. 264, SANE2014-87, pp. 129-133, 2014年10月. | |
| 資料番号 | SANE2014-87 | |
| 発行日 | 2014-10-15 (SANE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| 著作権に ついて |
技術研究報告に掲載された論文の著作権は電子情報通信学会に帰属します．(許諾番号：10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| PDFダウンロード | SANE2014-87 |
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| 研究会情報 | |
| 研究会 | SANE |
| 開催期間 | 2014-10-22 - 2014-10-24 |
| 開催地（和） | Ramada Plaza Melaka, Malacca, Malaysia |
| 開催地（英） | Ramada Plaza Melaka, Malacca, Malaysia |
| テーマ（和） | ICSANE 2014 (International Conference on Space, Aeronautical and Navigational Electronics) |
| テーマ（英） | ICSANE 2014 (International Conference on Space, Aeronautical and Navigational Electronics) |
| 講演論文情報の詳細 | |
| 申込み研究会 | SANE |
| 会議コード | 2014-10-SANE |
| 本文の言語 | 英語 |
| タイトル（和） | |
| サブタイトル（和） | |
| タイトル（英） | Characterization of agricultural land abandonment based on Landsat and ALOS PALSAR multitemporal measurements |
| サブタイトル（英） | |
| キーワード(1)（和/英） | polarimetric / polarimetric |
| キーワード(2)（和/英） | HH / HH |
| キーワード(3)（和/英） | HV / HV |
| キーワード(4)（和/英） | spectral signature / spectral signature |
| キーワード(5)（和/英） | phenology / phenology |
| キーワード(6)（和/英） | separation / separation |
| キーワード(7)（和/英） | / |
| キーワード(8)（和/英） | / |
| 第1著者 氏名（和/英/ヨミ） | Farrah Melissa Muharam / Farrah Melissa Muharam / |
| 第1著者 所属（和/英） | University Putra Malaysia (略称： Univ. Putra Malaysia) University Putra Malaysia (略称： Univ. Putra Malaysia) |
| 第2著者 氏名（和/英/ヨミ） | Wataru Takeuchi / Wataru Takeuchi / |
| 第2著者 所属（和/英） | University of Tokyo (略称： 東大) University of Tokyo (略称： Univ. of Tokyo) |
| 第3著者 氏名（和/英/ヨミ） | Soni Darmawan / Soni Darmawan / |
| 第3著者 所属（和/英） | University of Tokyo (略称： 東大) University of Tokyo (略称： Univ. of Tokyo) |
| 第4著者 氏名（和/英/ヨミ） | Muhamad Hafiz Abd Razak / Muhamad Hafiz Abd Razak / |
| 第4著者 所属（和/英） | Federal Land Consolidation and Rehabilitation Authority (FELCRA) (略称： FELCRA) Federal Land Consolidation and Rehabilitation Authority (FELCRA) (略称： FELCRA) |
| 講演者 | 第1著者 |
| 発表日時 | 2014-10-23 15:00:00 |
| 発表時間 | 20分 |
| 申込先研究会 | SANE |
| 資料番号 | SANE2014-87 |
| 巻番号（vol） | vol.114 |
| 号番号（no） | no.264 |
| ページ範囲 | pp.129-133 |
| ページ数 | 5 |
| 発行日 | 2014-10-15 (SANE) |
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