Arid
DOI10.1016/j.jag.2009.09.003
Potentiality of optical and radar satellite data at high spatio-temporal resolutions for the monitoring of irrigated wheat crops in Morocco
Hadria, R.1,2; Duchemin, B.1; Jarlan, L.1; Dedieu, G.1; Baup, F.1; Khabba, S.2; Olioso, A.3; Le Toan, T.1
通讯作者Hadria, R.
来源期刊INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION
ISSN0303-2434
出版年2010
卷号12页码:S32-S37
英文摘要

The potential of FORMOSAT-2 and ENVISAT/ASAR for the monitoring of irrigated wheat crops over Tensift/Marrakech semi-and plain in Morocco is investigated The green leaf area index (GLAI) was obtained from time series of vegetation index acquired by the FORMOSAT-2 Instrument with a 25% accuracy This information was then incorporated into a canopy functioning model to provide spatial estimates of GLAI, aerial biomass and top-soil moisture These Outputs were evaluated by comparing them to ground data Collected oil eight wheat fields monitored during the 2005-2006 agricultural season The model accurately simulates the time courses of GLAI and aerial biomass during the vegetative phase Finally, we analysed the spatio-temporal variations of ASAR backscattering copolarization ratio (sigma(0)(HH/VV)) as a function of biomass water content oil the basis of simulations performed over 69 other wheat fields The purpose of Such analysis is to retrieve this last biophysical variable from ASAR images The sensitivity of ASAR data to vegetation appears to be deteriorated by the sensitivity of sigma(0)(HH/VV) to the variability of soil conditions encountered in the Study at ea (roughness and moisture) (C) 2009 Elsevier B V All rights reserved


英文关键词Remote sensing FORMOSAT-2 ASAR Semi-arid Crop monitoring Wheat Biomass water content
类型Article
语种英语
国家France ; Morocco
收录类别SCI-E
WOS记录号WOS:000275612600007
WOS关键词LEAF-AREA INDEX ; REMOTE-SENSING DATA ; AGRICULTURAL CROP ; FORMOSAT-2 IMAGES ; MODEL ; SCATTERING ; SOIL ; EVAPOTRANSPIRATION ; ASSIMILATION ; YIELD
WOS类目Remote Sensing
WOS研究方向Remote Sensing
来源机构French National Research Institute for Sustainable Development
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/164640
作者单位1.CESBIO, F-31401 Toulouse, France;
2.Fac Sci Semlalia, Marrakech, Morocco;
3.INRA, UMR1114, F-84914 Avignon, France
推荐引用方式
GB/T 7714
Hadria, R.,Duchemin, B.,Jarlan, L.,et al. Potentiality of optical and radar satellite data at high spatio-temporal resolutions for the monitoring of irrigated wheat crops in Morocco[J]. French National Research Institute for Sustainable Development,2010,12:S32-S37.
APA Hadria, R..,Duchemin, B..,Jarlan, L..,Dedieu, G..,Baup, F..,...&Le Toan, T..(2010).Potentiality of optical and radar satellite data at high spatio-temporal resolutions for the monitoring of irrigated wheat crops in Morocco.INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION,12,S32-S37.
MLA Hadria, R.,et al."Potentiality of optical and radar satellite data at high spatio-temporal resolutions for the monitoring of irrigated wheat crops in Morocco".INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION 12(2010):S32-S37.
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