遥感反演连续植被叶面积指数的空间尺度效应

被引:29
作者
徐希孺
范闻捷
陶欣
机构
[1] 北京大学遥感与地理信息系统研究所
关键词
空间尺度效应; 遥感反演叶面积指数; 真实叶面积指数; 连续植被冠层反射率模型;
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
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.
引用
收藏
页码:79 / 87
页数:9
相关论文
共 9 条
[1]   IMGRASS中的尺度转换和现实的定量遥感 [J].
张仁华 ;
孙晓敏 ;
朱治林 .
气候与环境研究, 1997, (03) :113-118
[2]  
遥感物理[M]. 北京大学出版社 , 徐希孺编著, 2005
[3]   Influence of landscape spatial heterogeneity on the non-linear estimation of leaf area index from moderate spatial resolution remote sensing data [J].
Garrigues, S. ;
Allard, D. ;
Baret, F. ;
Weiss, M. .
REMOTE SENSING OF ENVIRONMENT, 2006, 105 (04) :286-298
[4]   Spatial scaling of a remotely sensed surface parameter by contexture [J].
Chen, JM .
REMOTE SENSING OF ENVIRONMENT, 1999, 69 (01) :30-42
[5]   A method of biophysical parameter retrieval at global scale by inversion of a vegetation reflectance model [J].
Bicheron, P ;
Leroy, M .
REMOTE SENSING OF ENVIRONMENT, 1999, 67 (03) :251-266
[6]  
Land-Atmosphere interactions for climate system Models: coupling biophysical, biogeochemical, and ecosystem dynamical processes[J] . Gordon B. Bonan.Remote Sensing of Environment . 1995 (1)
[7]   SELECTING THE SPATIAL-RESOLUTION OF SATELLITE SENSORS REQUIRED FOR GLOBAL MONITORING OF LAND TRANSFORMATIONS [J].
TOWNSHEND, JRG ;
JUSTICE, CO .
INTERNATIONAL JOURNAL OF REMOTE SENSING, 1988, 9 (02) :187-236
[8]   SATELLITE-DERIVED LEAF-AREA-INDEX AND VEGETATION MAPS AS INPUT TO GLOBAL CARBON-CYCLE MODELS - A HIERARCHICAL APPROACH [J].
BADHWAR, GD ;
MACDONALD, RB ;
MEHTA, NC .
INTERNATIONAL JOURNAL OF REMOTE SENSING, 1986, 7 (02) :265-281
[9]  
Influence of Subgrid-Scale Heterogeneity in Leaf Area Index, Stomatal Resistance, and Soil Moisture on Grid-Scale Land-Atmosphere Interactions .2 Bonan,G. B.,Pollard,D.,Thompson,S. L. J. Climate . 1993