Future water security under climate change: a perspective of the Grand River Watershed
Climate change poses a threat to the water security of the Grand River Watershed (GRW) by altering the precipitation patterns and other weather variables, which affect streamflow and freshwater availability. Therefore, in this study, a Soil and Water Assessment Tool (SWAT) model for the GRW, Ontario...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
IWA Publishing
2023-05-01
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| Series: | Journal of Water and Climate Change |
| Subjects: | |
| Online Access: | http://jwcc.iwaponline.com/content/14/5/1433 |
| _version_ | 1797202835760218112 |
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| author | Baljeet Kaur Narayan Kumar Shrestha Uttam Ghimire Pranesh Kumar Paul Ramesh Rudra Pradeep Goel Prasad Daggupati |
| author_facet | Baljeet Kaur Narayan Kumar Shrestha Uttam Ghimire Pranesh Kumar Paul Ramesh Rudra Pradeep Goel Prasad Daggupati |
| author_sort | Baljeet Kaur |
| collection | DOAJ |
| description | Climate change poses a threat to the water security of the Grand River Watershed (GRW) by altering the precipitation patterns and other weather variables, which affect streamflow and freshwater availability. Therefore, in this study, a Soil and Water Assessment Tool (SWAT) model for the GRW, Ontario, Canada, was used to assess the blue and green water scarcity for future periods for future sustainable management of freshwater resources in the region. The ensemble results predicted a warmer and wetter future for the GRW. The ensemble model result, when considering both emission scenarios and future periods, showed that blue water (BW) is projected to increase by 23–40% while green water storage (GWS) is projected to experience an overall decrease (2–8%). The results suggested that BW may become more scarce compared to green water in the future. The scarcity of BW is primarily due to the projected increase in population growth and water demand in the watershed. Green water scarcity in some regions indicated that changes in irrigation might be needed in the future in some parts of the watershed. The results indicate that the careful planning is essential for future water management in GRW.
HIGHLIGHTS
Water demand and environmental flow requirements were used to determine water scarcity.;
Green water scarcity in some regions indicated that changes in irrigation might be needed in the future in some parts of the Grand River Watershed (GRW).;
The results indicate that the careful planning is essential for future water management in GRW.; |
| first_indexed | 2024-03-13T07:04:46Z |
| format | Article |
| id | doaj.art-bb630509cba84aa493827890ef2eb38d |
| institution | Directory Open Access Journal |
| issn | 2040-2244 2408-9354 |
| language | English |
| last_indexed | 2024-04-24T08:09:45Z |
| publishDate | 2023-05-01 |
| publisher | IWA Publishing |
| record_format | Article |
| series | Journal of Water and Climate Change |
| spelling | doaj.art-bb630509cba84aa493827890ef2eb38d2024-04-17T08:29:35ZengIWA PublishingJournal of Water and Climate Change2040-22442408-93542023-05-011451433144610.2166/wcc.2023.362362Future water security under climate change: a perspective of the Grand River WatershedBaljeet Kaur0Narayan Kumar Shrestha1Uttam Ghimire2Pranesh Kumar Paul3Ramesh Rudra4Pradeep Goel5Prasad Daggupati6 School of Engineering, University of Guelph, Guelph, ON N1G 2W1, Canada School of Engineering, University of Guelph, Guelph, ON N1G 2W1, Canada School of Engineering, University of Guelph, Guelph, ON N1G 2W1, Canada School of Engineering, University of Guelph, Guelph, ON N1G 2W1, Canada School of Engineering, University of Guelph, Guelph, ON N1G 2W1, Canada School of Engineering, University of Guelph, Guelph, ON N1G 2W1, Canada School of Engineering, University of Guelph, Guelph, ON N1G 2W1, Canada Climate change poses a threat to the water security of the Grand River Watershed (GRW) by altering the precipitation patterns and other weather variables, which affect streamflow and freshwater availability. Therefore, in this study, a Soil and Water Assessment Tool (SWAT) model for the GRW, Ontario, Canada, was used to assess the blue and green water scarcity for future periods for future sustainable management of freshwater resources in the region. The ensemble results predicted a warmer and wetter future for the GRW. The ensemble model result, when considering both emission scenarios and future periods, showed that blue water (BW) is projected to increase by 23–40% while green water storage (GWS) is projected to experience an overall decrease (2–8%). The results suggested that BW may become more scarce compared to green water in the future. The scarcity of BW is primarily due to the projected increase in population growth and water demand in the watershed. Green water scarcity in some regions indicated that changes in irrigation might be needed in the future in some parts of the watershed. The results indicate that the careful planning is essential for future water management in GRW. HIGHLIGHTS Water demand and environmental flow requirements were used to determine water scarcity.; Green water scarcity in some regions indicated that changes in irrigation might be needed in the future in some parts of the Grand River Watershed (GRW).; The results indicate that the careful planning is essential for future water management in GRW.;http://jwcc.iwaponline.com/content/14/5/1433blue waterclimate changegreen watergrand river watershedswat |
| spellingShingle | Baljeet Kaur Narayan Kumar Shrestha Uttam Ghimire Pranesh Kumar Paul Ramesh Rudra Pradeep Goel Prasad Daggupati Future water security under climate change: a perspective of the Grand River Watershed Journal of Water and Climate Change blue water climate change green water grand river watershed swat |
| title | Future water security under climate change: a perspective of the Grand River Watershed |
| title_full | Future water security under climate change: a perspective of the Grand River Watershed |
| title_fullStr | Future water security under climate change: a perspective of the Grand River Watershed |
| title_full_unstemmed | Future water security under climate change: a perspective of the Grand River Watershed |
| title_short | Future water security under climate change: a perspective of the Grand River Watershed |
| title_sort | future water security under climate change a perspective of the grand river watershed |
| topic | blue water climate change green water grand river watershed swat |
| url | http://jwcc.iwaponline.com/content/14/5/1433 |
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