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Changes in global groundwater organic carbon driven by climate change and urbanization
- McDonough, L. K. (author)
-
- Santos, Isaac R. (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences
- Andersen, M. S. (author)
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- O’Carroll, D. M. (author)
- Rutlidge, H. (author)
- Meredith, K. (author)
- Oudone, P. (author)
- Bridgeman, J. (author)
- Gooddy, D. C. (author)
- Sorensen, J. P. R. (author)
- Lapworth, D. J. (author)
- MacDonald, A. M. (author)
- Ward, J. (author)
- Baker, A. (author)
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- (creator_code:org_t)
- 2020-03-09
- 2020
- English.
- In: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 11:1
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Climate change and urbanization can increase pressures on groundwater resources, but little is known about how groundwater quality will change. Here, we use a global synthesis (n = 9,404) to reveal the drivers of dissolved organic carbon (DOC), which is an important component of water chemistry and substrate for microorganisms that control biogeochemical reactions. Dissolved inorganic chemistry, local climate and land use explained ~ 31% of observed variability in groundwater DOC, whilst aquifer age explained an additional 16%. We identify a 19% increase in DOC associated with urban land cover. We predict major groundwater DOC increases following changes in precipitation and temperature in key areas relying on groundwater. Climate change and conversion of natural or agricultural areas to urban areas will decrease groundwater quality and increase water treatment costs, compounding existing constraints on groundwater resources. © 2020, The Author(s).
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Keyword
- carbon
- ground water
- organic carbon
- climate change
- dissolved organic carbon
- groundwater
- land cover
- urbanization
- water chemistry
- water treatment
- aquifer
- Article
- environmental factor
- geographic distribution
- microbial activity
- pH
- precipitation
- quality control
- seasonal variation
- urban area
- water analysis
- water quality
- water temperature
Publication and Content Type
- ref (subject category)
- art (subject category)
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- McDonough, L. K.
- Santos, Isaac R.
- Andersen, M. S.
- O’Carroll, D. M.
- Rutlidge, H.
- Meredith, K.
- show more...
- Oudone, P.
- Bridgeman, J.
- Gooddy, D. C.
- Sorensen, J. P. ...
- Lapworth, D. J.
- MacDonald, A. M.
- Ward, J.
- Baker, A.
- show less...
- About the subject
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- NATURAL SCIENCES
- NATURAL SCIENCES
- and Biological Scien ...
- and Ecology
- Articles in the publication
- Nature Communica ...
- By the university
- University of Gothenburg
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