Water Supply, Demand, and Quality Indicators for Assessing the Spatial Distribution of Water Resource Vulnerability in the Columbia River Basin

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dc.contributor.authorChang, Heejun
dc.contributor.authorJung, Il-Won
dc.contributor.authorStrecker, Angela
dc.contributor.authorWise, Daniel
dc.contributor.authorLafrenz, Martin
dc.contributor.authorShandas, Vivek
dc.contributor.authorMoradkhani, Hamid
dc.contributor.authorYeakley, Alan
dc.contributor.authorPan, Yangdong
dc.contributor.authorBean, Robert
dc.contributor.authorJohnson, Gunnar
dc.contributor.authorPsaris, Mike
dc.date.accessioned2020-06-19T16:56:40Z
dc.date.available2020-06-19T16:56:40Z
dc.date.issued2013-03-13
dc.description.abstractWe investigated water resource vulnerability in the US portion of the Columbia River basin (CRB) using multiple indicators representing water supply, water demand, and water quality. Based on the US county scale, spatial analysis was conducted using various biophysical and socio-economic indicators that control water vulnerability. Water supply vulnerability and water demand vulnerability exhibited a similar spatial clustering of hotspots in areas where agricultural lands and variability of precipitation were high but dam storage capacity was low. The hotspots of water quality vulnerability were clustered around the main stem of the Columbia River where major population and agricultural centres are located. This multiple equal weight indicator approach confirmed that different drivers were associated with different vulnerability maps in the sub-basins of the CRB. Water quality variables are more important than water supply and water demand variables in the Willamette River basin, whereas water supply and demand variables are more important than water quality variables in the Upper Snake and Upper Columbia River basins. This result suggests that current water resources management and practices drive much of the vulnerability within the study area. The analysis suggests the need for increased coordination of water management across multiple levels of water governance to reduce water resource vulnerability in the CRB and a potentially different weighting scheme that explicitly takes into account the input of various water stakeholders.en_US
dc.description.sponsorshipThis research was supported by a summer collaborative project program of the Institute for Sustainable Solutions at Portland State University (PSU). This material is also partially based upon work supported by the National Science Foundation under Grant No. 1038925. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of PSU or the National Science Foundation. We thank two anonymous reviewers for constructive feedback.en_US
dc.description.urihttps://www.tandfonline.com/doi/full/10.1080/07055900.2013.777896en_US
dc.format.extent19 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m2mwdc-mwkb
dc.identifier.citationHeejun Chang, Il-Won Jung, Angela Strecker, Daniel Wise, Martin Lafrenz, Vivek Shandas, Hamid Moradkhani, Alan Yeakley, Yangdong Pan, Robert Bean, Gunnar Johnson & Mike Psaris (2013) Water Supply, Demand, and Quality Indicators for Assessing the Spatial Distribution of Water Resource Vulnerability in the Columbia River Basin, Atmosphere-Ocean, 51:4, 339-356, DOI: 10.1080/07055900.2013.777896en_US
dc.identifier.urihttps://doi.org/10.1080/07055900.2013.777896
dc.identifier.urihttp://hdl.handle.net/11603/18937
dc.language.isoen_USen_US
dc.publisherTaylor & Francisen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Geography and Environmental Systems Department Collection
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
dc.rightsPublic Domain Mark 1.0*
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleWater Supply, Demand, and Quality Indicators for Assessing the Spatial Distribution of Water Resource Vulnerability in the Columbia River Basinen_US
dc.typeTexten_US

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