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Climate Change Impa...
Climate Change Impacts on Surface Heat Fluxes in a Deep Monomictic Lake
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- Ayala, Ana I. (författare)
- Uppsala universitet,Limnologi,Institute for Environmental Sciences, University of Geneva, Geneva, Switzerland
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- Mesman, Jorrit P. (författare)
- Uppsala universitet,Limnologi,Institute for Environmental Sciences, University of Geneva, Geneva, Switzerland
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- Jones, Ian D. (författare)
- Biological and Environmental Sciences, Faculty of Natural Sciences, University of Stirling, Stirling, UK
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- de Eyto, Elvira (författare)
- Marine Institute, Furnace, Newport, Co. Mayo, Ireland
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- Jennings, Eleanor (författare)
- Centre for Freshwater and Environmental Studies, Dundalk Institute of Technology, Dundalk, Co. Louth, Ireland
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- Goyette, Stéphane (författare)
- Institute for Environmental Sciences, University of Geneva, Geneva, Switzerland
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- Pierson, Donald C. (författare)
- Uppsala universitet,Limnologi
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(creator_code:org_t)
- American Geophysical Union (AGU), 2023
- 2023
- Engelska.
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Ingår i: Journal of Geophysical Research - Atmospheres. - : American Geophysical Union (AGU). - 2169-897X .- 2169-8996. ; 128:11
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Turbulent and radiative energy exchanges between lakes and the atmosphere play an importantrole in determining the process of lake-mixing and stratification, including how lakes respond to climate andto climate change. Here we used a one-dimensional hydrodynamic lake model to assess seasonal impacts ofclimate change on individual surface heat flux components in Lough Feeagh, Ireland, a deep, monomictic lake.We drove the lake model with an ensemble of outputs from four climate models under three future greenhousegas scenarios from 1976 to 2099. In these experiments, the results showed significant increases in the radiativebudget that were largely counteracted by significant increases in the turbulent fluxes. The combined change inthe individual surface heat fluxes led to a change in the total surface heat flux that was small, but sufficient tolead to significant changes in the volume-weighted average lake temperature. The largest projected changes intotal surface heat fluxes were in spring and autumn. Both spring heating and autumnal cooling significantlydecreased under future climate conditions, while changes to total surface heat fluxes in winter and summerwere an order of magnitude lower. This led to counter-intuitive results that, in a warming world, there wouldbe less heat not more entering Lough Feeagh during the springtime, and little change in net heating over thesummer or winter compared to natural climate conditions, projected increases in the volume-weighted averagelake temperature were found to be largely due to reduced heat loss during autumn.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
Nyckelord
- Modelling
- climate change
- ISIMIP2b
- Simstrat
- Lough Feeagh
- heat budget
- turbulent heat fluxes
- radiative surface fluxes
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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