Mapping wetland cover in the greater Himalayan region: a hybrid method combining multispectral and ecological characteristics
Li, Zhuoqing1,2,3; Xu, Jianchu1,4; Shilpakar, Rajendra L.5; Ma, Xing3,4
2014-02-01
发表期刊ENVIRONMENTAL EARTH SCIENCES
ISSN1866-6280
卷号71期号:3页码:1083-1094
摘要In the greater Himalayan region, wetland ecosystems such as lakes, marshes, and peat lands play an important role in regulating the flow of major rivers. These ecosystems are often overlooked and not well represented on land-use planning and conservation maps. Wetland complexes are partly ephemeral and difficult to map accurately either with digital image processing or visual interpretation. This study developed a hybrid method of extracting spatial patterns of wetland areas which combines month-on-month multispectral classifications of Moderate Resolution Imaging Spectroradiometer data with a sample wetland extraction method based on knowledge of the spectral characteristics of satellite data and wetland ecological systems. The results were compared with the best available sources for lakes and wetlands on global and national scales. It was demonstrated that the method could extract wetlands automatically to a reasonable degree of accuracy and, therefore, reduce the need for extensive ground knowledge. The model was transferred by adjusting parameters through application of high-resolution satellite data (Landsat) in some sub-basin areas. These findings are cognizant with field interviews conducted by wetland experts. The hybrid method and high-altitude wetlands maps will provide decision makers with valuable information about wetland distribution and change in response to global warming and human activities.
关键词Wetland Extraction Hybrid Model High-altitude Wetlands/lakes Greater Himalayan Region
资助信息European Union (EU) Asia Pro Eco Programme
学科领域Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
DOI10.1007/s12665-013-2512-y
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology ; Geology ; Water Resources
WOS类目Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS记录号WOS:000330124100008
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/17978
专题资源植物与生物技术所级重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Kunming, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
3.Yunnan Inst Environm Sci, Kunming, Peoples R China
4.China Programme, World Agroforestry Ctr, Kunming, Peoples R China
5.Int Ctr Integrated Mt Dev, Kunming, Peoples R China
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Li, Zhuoqing,Xu, Jianchu,Shilpakar, Rajendra L.,et al. Mapping wetland cover in the greater Himalayan region: a hybrid method combining multispectral and ecological characteristics[J]. ENVIRONMENTAL EARTH SCIENCES,2014,71(3):1083-1094.
APA Li, Zhuoqing,Xu, Jianchu,Shilpakar, Rajendra L.,&Ma, Xing.(2014).Mapping wetland cover in the greater Himalayan region: a hybrid method combining multispectral and ecological characteristics.ENVIRONMENTAL EARTH SCIENCES,71(3),1083-1094.
MLA Li, Zhuoqing,et al."Mapping wetland cover in the greater Himalayan region: a hybrid method combining multispectral and ecological characteristics".ENVIRONMENTAL EARTH SCIENCES 71.3(2014):1083-1094.
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