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生物通
8 个月
基于Sentinel-2冠层含水量(CWC)的欧洲谷物区骤旱早期监测:灌溉与雨 ...
本研究针对欧洲谷物产区骤旱(Flash Drought)快速监测难题,通过Sentinel-2卫星数据提取冠层含水量(CWC)、叶面积指数(LAI)和光合有效辐射吸收比(fAPAR)等生物物理变量,结合蒸发胁迫指数(ESI)分析发现:CWC在灌溉区(西班牙、意大利)与ESI呈强相关性(r=0 ...
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