基于日光诱导叶绿素荧光的北半球森林物候研究
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Vegetation phenology in the Northern Hemisphere based on the solar-induced chlorophyll fluorescence
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图2. 日光诱导叶绿素荧光(SIF)通过双逻辑生长模型拟合物候曲线示意图。生长季开始时间(SOS)即绿色圆圈对应日期, 生长季结束时间(EOS)即橙色圆圈对应日期。 |
Fig. 2. An example for determining the phenology based on daily solar-induced chlorophyll fluorescence (SIF) time series using double logistic growth model. Timing of the start of the growing season (SOS) and the end of the growing season (EOS) were plotted by green circle and orange circle. DOY, day of year. |
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