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Using stable isotop...
Using stable isotopes to assess surface water source dynamics and hydrological connectivity in a high-latitude wetland and permafrost influenced landscape
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Ala-aho, P. (author)
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Soulsby, C. (author)
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Pokrovsky, O. S. (author)
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Kirpotin, S. N. (author)
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- Karlsson, Jan (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Arcum
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- Serikova, Svetlana (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Arcum
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Vorobyev, S. N. (author)
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Manasypov, R. M. (author)
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Loiko, S. (author)
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Tetzlaff, D. (author)
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(creator_code:org_t)
- Elsevier, 2018
- 2018
- English.
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In: Journal of Hydrology. - : Elsevier. - 0022-1694 .- 1879-2707. ; 556, s. 279-293
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https://umu.diva-por... (primary) (Raw object)
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Abstract
Subject headings
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- Climate change is expected to alter hydrological and biogeochemical processes in high-latitude inland waters. A critical question for understanding contemporary and future responses to environmental change is how the spatio-temporal dynamics of runoff generation processes will be affected. We sampled stable water isotopes in soils, lakes and rivers on an unprecedented spatio-temporal scale along a 1700 km transect over three years in the Western Siberia Lowlands. Our findings suggest that snowmelt mixes with, and displaces, large volumes of water stored in the organic soils and lakes to generate runoff during the thaw season. Furthermore, we saw a persistent hydrological connection between water bodies and the landscape across permafrost regions. Our findings help to bridge the understanding between small and large scale hydrological studies in high-latitude systems. These isotope data provide a means to conceptualise hydrological connectivity in permafrost and wetland influenced regions, which is needed for an improved understanding of future biogeochemical changes.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
Keyword
- Stable water isotopes
- Hydrological connectivity
- Runoff generation
- Snowmelt
- Low-relief
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Ala-aho, P.
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Soulsby, C.
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Pokrovsky, O. S.
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Kirpotin, S. N.
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Karlsson, Jan
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Serikova, Svetla ...
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show more...
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Vorobyev, S. N.
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Manasypov, R. M.
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Loiko, S.
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Tetzlaff, D.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Oceanography Hyd ...
- Articles in the publication
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Journal of Hydro ...
- By the university
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Umeå University