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DOI	10.5194/hess-23-3945-2019
	A watershed classification approach that looks beyond hydrology: application to a semi-arid, agricultural region in Canada
	Wolfe, Jared D.1; Shook, Kevin R.2; Spence, Chris 3; Whitfield, Colin J.1,4
通讯作者	Wolfe, Jared D.
来源期刊	HYDROLOGY AND EARTH SYSTEM SCIENCES
ISSN	1027-5606
EISSN	1607-7938
出版年	2019
卷号	23 期号:9 页码:3945-3967
英文摘要	Classification and clustering approaches provide a means to group watersheds according to similar attributes, functions, or behaviours, and can aid in managing natural resources. Although they are widely used, approaches based on hydrological response parameters restrict analyses to regions where well-developed hydrological records exist, and overlook factors contributing to other management concerns, including biogeochemistry and ecology. In the Canadian Prairie, hydrometric gauging is sparse and often seasonal. Moreover, large areas are endorheic and the landscape is highly modified by human activity, complicating classification based solely on hydrological parameters. We compiled climate, geological, topographical, and land-cover data from the Prairie and conducted a classification of watersheds using a hierarchical clustering of principal components. Seven classes were identified based on the clustering of watersheds, including those distinguishing southern Manitoba, the pothole region, river valleys, and grasslands. Important defining variables were climate, elevation, surficial geology, wetland distribution, and land cover. In particular, three classes occur almost exclusively within regions that tend not to contribute to major river systems, and collectively encompass the majority of the study area. The gross difference in key characteristics across the classes suggests that future water management and climate change may carry with them heterogeneous sets of implications for water security across the Prairie. This emphasizes the importance of developing management strategies that target sub-regions expected to behave coherently as current human-induced changes to the landscape will affect how watersheds react to change. The study provides the first classification of watersheds within the Prairie based on climatic and biophysical attributes, with the framework used being applicable to other regions where hydrometric data are sparse. Our findings provide a foundation for addressing questions related to hydrological, biogeochemical, and ecological behaviours at a regional level, enhancing the capacity to address issues of water security.
类型	Article
语种	英语
国家	Canada
开放获取类型	gold, Green Submitted
收录类别	SCI-E
WOS记录号	WOS:000488023400003
WOS关键词	PRAIRIE POTHOLE REGION ; CATCHMENT CLASSIFICATION ; SURFACE-WATER ; WETLANDS ; STREAMFLOW ; SYSTEMS ; ECOREGIONS ; PREDICTION ; STORAGE ; CLIMATE
WOS类目	Geosciences, Multidisciplinary ; Water Resources
WOS研究方向	Geology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/216220
作者单位	1.Univ Saskatchewan, Global Inst Water Secur, Saskatoon, SK, Canada; 2.Ctr Hydrol, Saskatoon, SK, Canada; 3.Environm & Climate Change Canada, Natl Hydrol Res Ctr, Saskatoon, SK, Canada; 4.Univ Saskatchewan, Sch Environm & Sustainabil, Saskatoon, SK, Canada
推荐引用方式 GB/T 7714	Wolfe, Jared D.,Shook, Kevin R.,Spence, Chris,et al. A watershed classification approach that looks beyond hydrology: application to a semi-arid, agricultural region in Canada[J],2019,23(9):3945-3967.
APA	Wolfe, Jared D.,Shook, Kevin R.,Spence, Chris,&Whitfield, Colin J..(2019).A watershed classification approach that looks beyond hydrology: application to a semi-arid, agricultural region in Canada.HYDROLOGY AND EARTH SYSTEM SCIENCES,23(9),3945-3967.
MLA	Wolfe, Jared D.,et al."A watershed classification approach that looks beyond hydrology: application to a semi-arid, agricultural region in Canada".HYDROLOGY AND EARTH SYSTEM SCIENCES 23.9(2019):3945-3967.