区域归一化植被指数(NDVI)对植被光合作用响应的研究The Respondence of Regional NDVI to Plant Photosynthesis
张佳华,王长耀
摘要(Abstract)：
本文通过分析 NOAA- AVHRR数据 ,对研究区冬小麦各生育期的归一化植被指数 ( NDVI)进行计算 ,表明随冬小麦生育期发展 NDVI值呈现两头低 ,中间高的情形 ,这与冬小麦生长发育状况相一致 ,也即与冬小麦群体光合作用的响应。通过理论探讨进一步分析了NDVI与植被光合速率的关系 ,表明其存在某种程度的正相关。由此可更好地为从遥感信息建立估测植被生物量的机理模型提供依据。
关键词(KeyWords)： 遥感信息;植被指数;植被光合作用;响应
基金项目(Foundation): 本文得到国家自然科学基金 ( 3990 0 0 84);; 国家攻关项目 ( 2 0 0 1-BA5 0 9B-14 );; 社会公益型专项资金 ( 2 0 0 1D1B2 0 0 96 );; 中国气象科学院博士后启动基金的资助。
作者(Author): 张佳华,王长耀
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