森林地上生物量遥感反演方法综述

被引:83
|
作者
刘茜 [1 ,2 ]
杨乐 [1 ]
柳钦火 [1 ]
李静 [1 ]
机构
[1] 中国科学院遥感与数字地球研究所遥感科学国家重点实验室
[2] 不详
基金
国家高技术研究发展计划(863计划);
关键词
森林地上生物量; 多元回归; 非参数化; 机理模型;
D O I
暂无
中图分类号
TP79 [遥感技术的应用];
学科分类号
摘要
森林地上生物量反演对理解和监测生态系统及评估人类生产生活的影响有着重要作用,日益发展的遥感技术使全球及大区域的生物量估算成为可能。近年来,不同的遥感技术和反演方法被广泛用于估算森林生物量。本文首先总结了现有的全球及区域生物量产品及其不确定性,然后综述了3类方法在森林地上生物量遥感反演中的应用,即基于单源数据的参数化方法、基于多源数据的非参数化方法和基于机理模型的反演方法,阐述了各类反演方法的特点、优势及局限性。最后从机理模型研究、多源遥感数据协同、生物量季节变化研究和遥感数据源不断丰富4个方面对今后的生物量遥感反演研究进行了展望。
引用
收藏
页码:62 / 74
页数:13
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