Arid
DOI10.1016/j.rse.2007.01.023
Water content estimation from hyperspectral images and MODIS indexes in Southeastern Arizona
Cheng, Yen-Ben1; Ustin, Susan L.1; Riano, David1,2; Vanderbilt, Vem C.3
通讯作者Cheng, Yen-Ben
来源期刊REMOTE SENSING OF ENVIRONMENT
ISSN0034-4257
出版年2008
卷号112期号:2页码:363-374
英文摘要

Hyperspectral water retrievals from AVIRIS data, equivalent water thickness (EWT), were compared to in situ leaf water content and LAI measurements at a semiarid site in southeastern Arizona. Retrievals of EWT showed good correlation with field canopy water content measurements. Statistical analysis suggested that EWT was significantly different among seven community types, from savanna to agriculture. Four band-ratio indexes (NDVI, EVI, NDWI, and NDII) were derived from MODIS showing strong spatial agreement between maps of AVIRIS EWT and MODIS indexes, and good statistical agreement for the range of habitats at the site. Temporal patterns of these four indexes in all vegetation communities except creosote bush and agriculture showed distinct seasonal patterns that responded to the timing and amount of precipitation. Moreover, these time series captured different ecological responses among the different vegetation communities. (C) 2007 Elsevier Inc. All rights reserved.


英文关键词AVIRIS MODIS water content equivalent water thickness vegetation index
类型Article
语种英语
国家USA ; Spain
收录类别SCI-E
WOS记录号WOS:000253068100007
WOS关键词MODEL INVERSION METHODS ; FUEL MOISTURE-CONTENT ; BIOPHYSICAL PARAMETERS ; VEGETATION INDEXES ; MOJAVE-DESERT ; WALNUT-GULCH ; AVIRIS DATA ; LEAF ; REFLECTANCE ; CANOPIES
WOS类目Environmental Sciences ; Remote Sensing ; Imaging Science & Photographic Technology
WOS研究方向Environmental Sciences & Ecology ; Remote Sensing ; Imaging Science & Photographic Technology
来源机构University of California, Davis
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/159035
作者单位1.Univ Calif Davis, CSTARS, Dept Land Air & Water Resources, Davis, CA 95616 USA;
2.Univ Alcala de Henares, Dept Geog, E-28801 Madrid, Spain;
3.NASA, Ames Res Ctr, Moffett Field, CA USA
推荐引用方式
GB/T 7714
Cheng, Yen-Ben,Ustin, Susan L.,Riano, David,et al. Water content estimation from hyperspectral images and MODIS indexes in Southeastern Arizona[J]. University of California, Davis,2008,112(2):363-374.
APA Cheng, Yen-Ben,Ustin, Susan L.,Riano, David,&Vanderbilt, Vem C..(2008).Water content estimation from hyperspectral images and MODIS indexes in Southeastern Arizona.REMOTE SENSING OF ENVIRONMENT,112(2),363-374.
MLA Cheng, Yen-Ben,et al."Water content estimation from hyperspectral images and MODIS indexes in Southeastern Arizona".REMOTE SENSING OF ENVIRONMENT 112.2(2008):363-374.
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