Modelling groundwater quality of the Athabasca River Basin in the subarctic region using a modified SWAT model
Abstract Groundwater is a vital resource for human welfare. However, due to various factors, groundwater pollution is one of the main environmental concerns. Yet, it is challenging to simulate groundwater quality dynamics due to the insufficient representation of nutrient percolation processes in th...
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2021
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crspringernat:10.1038/s41598-021-92920-7 2023-05-15T15:26:04+02:00 Modelling groundwater quality of the Athabasca River Basin in the subarctic region using a modified SWAT model Meshesha, Tesfa Worku Wang, Junye Melaku, Nigus Demelash McClain, Cynthia N. Alberta Economic Development and Trade for the Campus Innovates Program Research Chair for the financial support 2021 http://dx.doi.org/10.1038/s41598-021-92920-7 http://www.nature.com/articles/s41598-021-92920-7.pdf http://www.nature.com/articles/s41598-021-92920-7 en eng Springer Science and Business Media LLC https://creativecommons.org/licenses/by/4.0 https://creativecommons.org/licenses/by/4.0 CC-BY Scientific Reports volume 11, issue 1 ISSN 2045-2322 Multidisciplinary journal-article 2021 crspringernat https://doi.org/10.1038/s41598-021-92920-7 2022-01-04T16:47:15Z Abstract Groundwater is a vital resource for human welfare. However, due to various factors, groundwater pollution is one of the main environmental concerns. Yet, it is challenging to simulate groundwater quality dynamics due to the insufficient representation of nutrient percolation processes in the soil and Water Assessment Tool model. The objectives of this study were extending the SWAT module to predict groundwater quality. The results proved a linear relationship between observed and calculated groundwater quality with coefficient of determination ( R 2 ), Nash–Sutcliffe efficiency ( NSE ), percent bias ( PBIAS ) values in the satisfied ranges. While the values of R 2 , NSE and PBIAS were 0.69, 0.65, and 2.68 during nitrate calibration, they were 0.85, 0.85 and 5.44, respectively during nitrate validation. Whereas the values of R 2 , NSE and PBIAS were 0.59, 0.37, and − 2.21 during total dissolved solid (TDS) calibration and they were 0.81, 0.80, 7.5 during the validation. The results showed that the nitrate and TDS concentrations in groundwater might change with varying surface water quality. This indicated the requirement for designing adaptive management scenarios. Hence, the extended SWAT model could be a powerful tool for future regional to global scale modelling of nutrient loads and effective surface and groundwater management. Article in Journal/Newspaper Athabasca River Subarctic Springer Nature (via Crossref) Athabasca River Nash ENVELOPE(-62.350,-62.350,-74.233,-74.233) Sutcliffe ENVELOPE(-81.383,-81.383,50.683,50.683) Scientific Reports 11 1 |
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Open Polar |
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Springer Nature (via Crossref) |
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crspringernat |
language |
English |
topic |
Multidisciplinary |
spellingShingle |
Multidisciplinary Meshesha, Tesfa Worku Wang, Junye Melaku, Nigus Demelash McClain, Cynthia N. Modelling groundwater quality of the Athabasca River Basin in the subarctic region using a modified SWAT model |
topic_facet |
Multidisciplinary |
description |
Abstract Groundwater is a vital resource for human welfare. However, due to various factors, groundwater pollution is one of the main environmental concerns. Yet, it is challenging to simulate groundwater quality dynamics due to the insufficient representation of nutrient percolation processes in the soil and Water Assessment Tool model. The objectives of this study were extending the SWAT module to predict groundwater quality. The results proved a linear relationship between observed and calculated groundwater quality with coefficient of determination ( R 2 ), Nash–Sutcliffe efficiency ( NSE ), percent bias ( PBIAS ) values in the satisfied ranges. While the values of R 2 , NSE and PBIAS were 0.69, 0.65, and 2.68 during nitrate calibration, they were 0.85, 0.85 and 5.44, respectively during nitrate validation. Whereas the values of R 2 , NSE and PBIAS were 0.59, 0.37, and − 2.21 during total dissolved solid (TDS) calibration and they were 0.81, 0.80, 7.5 during the validation. The results showed that the nitrate and TDS concentrations in groundwater might change with varying surface water quality. This indicated the requirement for designing adaptive management scenarios. Hence, the extended SWAT model could be a powerful tool for future regional to global scale modelling of nutrient loads and effective surface and groundwater management. |
author2 |
Alberta Economic Development and Trade for the Campus Innovates Program Research Chair for the financial support |
format |
Article in Journal/Newspaper |
author |
Meshesha, Tesfa Worku Wang, Junye Melaku, Nigus Demelash McClain, Cynthia N. |
author_facet |
Meshesha, Tesfa Worku Wang, Junye Melaku, Nigus Demelash McClain, Cynthia N. |
author_sort |
Meshesha, Tesfa Worku |
title |
Modelling groundwater quality of the Athabasca River Basin in the subarctic region using a modified SWAT model |
title_short |
Modelling groundwater quality of the Athabasca River Basin in the subarctic region using a modified SWAT model |
title_full |
Modelling groundwater quality of the Athabasca River Basin in the subarctic region using a modified SWAT model |
title_fullStr |
Modelling groundwater quality of the Athabasca River Basin in the subarctic region using a modified SWAT model |
title_full_unstemmed |
Modelling groundwater quality of the Athabasca River Basin in the subarctic region using a modified SWAT model |
title_sort |
modelling groundwater quality of the athabasca river basin in the subarctic region using a modified swat model |
publisher |
Springer Science and Business Media LLC |
publishDate |
2021 |
url |
http://dx.doi.org/10.1038/s41598-021-92920-7 http://www.nature.com/articles/s41598-021-92920-7.pdf http://www.nature.com/articles/s41598-021-92920-7 |
long_lat |
ENVELOPE(-62.350,-62.350,-74.233,-74.233) ENVELOPE(-81.383,-81.383,50.683,50.683) |
geographic |
Athabasca River Nash Sutcliffe |
geographic_facet |
Athabasca River Nash Sutcliffe |
genre |
Athabasca River Subarctic |
genre_facet |
Athabasca River Subarctic |
op_source |
Scientific Reports volume 11, issue 1 ISSN 2045-2322 |
op_rights |
https://creativecommons.org/licenses/by/4.0 https://creativecommons.org/licenses/by/4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1038/s41598-021-92920-7 |
container_title |
Scientific Reports |
container_volume |
11 |
container_issue |
1 |
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1766356633881935872 |