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Paleolimnological e...
Paleolimnological evidence of the effects on lakes of energy and mass transfer from climate and humans
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Leavitt, Peter R. (author)
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Fritz, S. C. (author)
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Anderson, N. J. (author)
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Baker, P. A. (author)
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- Blenckner, Thorsten (author)
- Uppsala universitet,Institutionen för ekologi och evolution,Limnologi
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Bunting, L. (author)
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Catalan, J. (author)
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- Conley, Daniel (author)
- Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science
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Hobbs, W. O. (author)
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Jeppesen, E. (author)
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Korhola, A. (author)
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McGowan, S. (author)
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Ruehland, K. (author)
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Rusak, J. A. (author)
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Simpson, G. L. (author)
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Solovieva, N. (author)
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Werne, J. (author)
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(creator_code:org_t)
- 2009
- 2009
- English.
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In: Limnology and Oceanography. - 0024-3590 .- 1939-5590. ; 54:6, s. 2330-2348
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Abstract
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- The premise of this article is that climate effects on lakes can be quantified most effectively by the integration of process-oriented limnological studies with paleolimnological research, particularly when both disciplines operate within a common conceptual framework. To this end, the energy (E)-mass (m) flux framework (Em flux) is developed and applied to selected retrospective studies to demonstrate that climate variability regulates lake structure and function over diverse temporal and spatial scales through four main pathways: rapid direct transfer of E to the lake surface by irradiance, heat, and wind; slow indirect effects of E via changes in terrestrial development and subsequent m subsidies to lakes; direct influx of m as precipitation, particles, and solutes from the atmosphere; and indirect influx of water, suspended particles, and dissolved substances from the catchment. Sedimentary analyses are used to illustrate the unique effects of each pathway on lakes but suggest that interactions among mechanisms are complex and depend on the landscape position of lakes, catchment characteristics, the range of temporal variation of individual pathways, ontogenetic changes in lake basins, and the selective effects of humans on m transfers. In particular, preliminary synthesis suggests that m influx can overwhelm the direct effects of E transfer to lakes, especially when anthropogenic activities alter m subsidies from catchments.
Subject headings
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
Keyword
- Biology
- Biologi
- Earth sciences
- Geovetenskap
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- ref (subject category)
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- By the author/editor
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Leavitt, Peter R ...
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Fritz, S. C.
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Anderson, N. J.
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Baker, P. A.
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Blenckner, Thors ...
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Bunting, L.
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show more...
-
Catalan, J.
-
Conley, Daniel
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Hobbs, W. O.
-
Jeppesen, E.
-
Korhola, A.
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McGowan, S.
-
Ruehland, K.
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Rusak, J. A.
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Simpson, G. L.
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Solovieva, N.
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Werne, J.
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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 Biological Scien ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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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 Geology
- Articles in the publication
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Limnology and Oc ...
- By the university
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Uppsala University
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Lund University