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    題名: Analyzing vegetation phenology in Yilan using multisource remote sensing images
    作者: 詹進發
    Li, Liang Yun
    Tsai, Jung-en
    Chang, Chung-te
    Jan, Juhn-fa
    貢獻者: 地政系
    關鍵詞: Biology;Forestry;Image analysis;Image reconstruction;Radiometers;Remote sensing;Time series;Vegetation;ESTARFM;LANDSAT;MODIS;TIMESAT;Vegetation phenology;Climate change
    日期: 2015-10
    上傳時間: 2017-08-14 15:54:39 (UTC+8)
    摘要: Land surface vegetation phenology reflects the responses of a terrestrial ecosystem to climate change. It is effective for monitoring the vegetation phenology of larger-scale area using time-series remotely sensed dataset. In this study, we used MODIS-NDVI and Landsat TM images for vegetation phenology analysis between 2001 and 2010 in Yilan. First, the monthly maximum value (MVC) images of MODIS were generated from 16-day NDVI time-series data. Second, the synthetic Landsat NDVI data were created using the ESTARFM (Enhanced Spatial and Temporal Adaptive Reflectance Fusion Model) algorithm for all dates when Landsat images were either unavailable or too cloudy. The monthly temperature and precipitation data during 2001 and 2010 and climate spatial layer were generated in ArcGIS 10.1 for vegetation-climate analysis. Then, the MODIS and Landsat images were provided as input for the phenology analysis toolbox TIMESAT, from which the phenological metrics including onset) start of growing season), offset) end of growing season) and the length of growing season were derived. The results was used to analyze the phonological parameters of vegetation, and used the climate data to know the relationship between the vegetation phenology and the climate change. In the end, the result of MODIS NDVI data and the synthetic Landsat NDVI data will be compared.
    關聯: ACRS 2015 - 36th Asian Conference on Remote Sensing: Fostering Resilient Growth in Asia, Proceedings
    36th Asian Conference on Remote Sensing: Fostering Resilient Growth in Asia, ACRS 2015; Crowne Plaza Manila GalleriaQuezon City, Metro Manila; Philippines; 24 October 2015 到 28 October 2015; 代碼 118634
    資料類型: conference
    顯示於類別:[地政學系] 會議論文

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