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遥感反演连续植被叶面积指数的空间尺度效应 被引量:25

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摘要 叶面积指数(LAI)是描述植被冠层几何结构的最基本的参数,是气候模型、地-气相互作用等过程的重要输入参数.近年来遥感反演LAI的尺度效应问题得到广泛关注.在作物冠层反射率模型基础上,讨论了LAI尺度效应的产生机制,并获得不同尺度之间LAI的转换公式,数值模拟试验和实际遥感图像试验都证明了该尺度转换公式的可靠性.
出处 《中国科学(D辑)》 CSCD 北大核心 2009年第1期79-87,共9页 Science in China(Series D)
基金 国家重点基础研究发展计划(编号:2007CB714402) 国家自然科学基金(批准号:40871186 40401036) 国家高技术研究计划(编号:2005AA133011XZ07)资助
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