Arid
DOI10.3390/rs8070590
Analysis and Mapping of the Spectral Characteristics of Fractional Green Cover in SalineWetlands (NE Spain) Using Field and Remote Sensing Data
Dominguez-Beisiegel, Manuela1; Castaneda, Carmen2; Mougenot, Bernard3; Herrero, Juan2
通讯作者Castaneda, Carmen
来源期刊REMOTE SENSING
ISSN2072-4292
出版年2016
卷号8期号:7
英文摘要

Inland saline wetlands are complex systems undergoing continuous changes in moisture and salinity and are especially vulnerable to human pressures. Remote sensing is helpful to identify vegetation change in semi-arid wetlands and to assess wetland degradation. Remote sensing-based monitoring requires identification of the spectral characteristics of soils and vegetation and their correspondence with the vegetation cover and soil conditions. We studied the spectral characteristics of soils and vegetation of saline wetlands in Monegros, NE Spain, through field and satellite images. Radiometric and complementary field measurements in two field surveys in 2007 and 2008 were collected in selected sites deemed as representative of different soil moisture, soil color, type of vegetation, and density. Despite the high local variability, we identified good relationships between field spectral data and Quickbird images. A methodology was established for mapping the fraction of vegetation cover in Monegros and other semi-arid areas. Estimating vegetation cover in arid wetlands is conditioned by the soil background and by the occurrence of dry and senescent vegetation accompanying the green component of perennial salt-tolerant plants. Normalized Difference Vegetation Index (NDVI) was appropriate to map the distribution of the vegetation cover if the green and yellow-green parts of the plants are considered.


英文关键词arid wetlands field spectrometry green fraction cover NDVI halophytes playa-lakes Ramsar wetlands soil salinity
类型Article
语种英语
国家Spain ; France
收录类别SCI-E
WOS记录号WOS:000382224800060
WOS关键词SENSED VEGETATION INDEXES ; ORIENTED IMAGE-ANALYSIS ; LEAF-AREA INDEX ; SALINE WETLANDS ; ARID ENVIRONMENTS ; SATELLITE DATA ; LAND-COVER ; NEW-MEXICO ; SOIL ; HABITATS
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/2XILL650/195961
作者单位1.Agrifood Res & Technol Ctr Aragon CITA, EEAD CSIC Associated Unit, Ave Montanana 930, Zaragoza 50059, Spain;
2.CSIC, EEAD, Ave Montanana 1005, Zaragoza 50059, Spain;
3.Univ Toulouse, CNES CNRS IRD UPS, Ctr Etud Spatiales Biosphere CESBIO, 18 Ave Eduard Belin, F-31401 Toulouse 9, France
推荐引用方式
GB/T 7714
Dominguez-Beisiegel, Manuela,Castaneda, Carmen,Mougenot, Bernard,et al. Analysis and Mapping of the Spectral Characteristics of Fractional Green Cover in SalineWetlands (NE Spain) Using Field and Remote Sensing Data[J]. French National Research Institute for Sustainable Development,2016,8(7).
APA Dominguez-Beisiegel, Manuela,Castaneda, Carmen,Mougenot, Bernard,&Herrero, Juan.(2016).Analysis and Mapping of the Spectral Characteristics of Fractional Green Cover in SalineWetlands (NE Spain) Using Field and Remote Sensing Data.REMOTE SENSING,8(7).
MLA Dominguez-Beisiegel, Manuela,et al."Analysis and Mapping of the Spectral Characteristics of Fractional Green Cover in SalineWetlands (NE Spain) Using Field and Remote Sensing Data".REMOTE SENSING 8.7(2016).
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