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Phenology and classification of abandoned agricultural land based on ALOS-1 and 2 PALSAR multi-temporal measurements

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International Journal of Digital Earth 2017年第2期10卷 155-174页

作者： Noryusdiana Mohamad Yusoff Farrah Melissa Muharam Wataru Takeuchi soni darmawan Muhamad Hafiz Abd Razak Department of Agriculture Technology Faculty of AgricultureUniversiti Putra MalaysiaSerdangMalaysia Malaysian Remote Sensing Agency Kuala LumpurMalaysia Institute of Plantation Studies Universiti Putra MalaysiaSelangorMalaysia Institute of Industrial Science University of TokyoMeguro-kuJapan Institut Teknologi Nasional(ITENAS) West JavaIndonesia FELCRA Berhad Kuala LumpurMalaysia

Agricultural crop abandonment negatively impacts local economy and environment since land,as a resource for agriculture,is not optimally *** take necessary actions to rehabilitate abandoned agricultural lands,the identification of the spatial distribution of these lands must be *** optical images had previously illustrated potentials in the identification of agricultural land abandonment,tropical areas often suffer cloud coverage problem that limits the availability of the ***,this study was conducted to investigate the potential of ALOS-1 and 2(Advanced Land Observing Satellite-1 and 2)PALSAR(Phased Array L-band Synthetic Aperture Radar)images for the identification and classification of abandoned agricultural crop areas,namely paddy,rubber and oil palm *** crop phenology for paddy and rubber was identified from ALOS-1 PALSAR;nonetheless,oil palm did not demonstrate any useful phenology for discriminating between the abandoned *** accuracy obtained for these abandoned lands of paddy,rubber and oil palm was 93.33%±0.06%,78%±2.32%and 63.33%±1.88%,*** study confirmed that the understanding of crop phenology in relation to image date selection is essential to obtain high accuracy for classifying abandoned and non-abandoned agricultural *** finding also portrayed that PALSAR offers a huge advantage for application of vegetation in tropical areas.

关键词： Classification land abandonment agriculture ALOS PALSAR synthetic aperture radar

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