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Surface energy exch...
Surface energy exchange in pristine and managed boreal peatlands
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- Alekseychik, Pavel (author)
- University of Helsinki
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- Mammarella, I. (author)
- University of Helsinki
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- Lindroth, A. (author)
- Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,ICOS Sweden,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science
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- Lohila, A. (author)
- Finnish Meteorological Institute
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- Aurela, M. (author)
- Finnish Meteorological Institute
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- Laurila, T. (author)
- Finnish Meteorological Institute
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- Kasurinen, V. (author)
- University of Helsinki
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- Lund, M. (author)
- Aarhus University
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- Rinne, J. (author)
- Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science
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- Nilsson, Mats (author)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Umeå,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management
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- Peichl, Matthias (author)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Umeå,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management
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- Minkkinen, K. (author)
- University of Helsinki
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- Shurpali, N. J. (author)
- University of Eastern Finland
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- Tuittila, E. S. (author)
- University of Eastern Finland
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- Martikainen, P. J. (author)
- University of Eastern Finland
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- Tuovinen, J. P. (author)
- Finnish Meteorological Institute
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- Vesala, T. (author)
- University of Helsinki
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(creator_code:org_t)
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- 2018
- 2018
- English.
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In: Mires and Peat. - 1819-754X. ; 21
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Abstract
Subject headings
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- Surface–atmosphere energy exchange is strongly ecosystem-specific. At the same time, as the energy balance constitutes responses of an ecosystem to environmental stressors including precipitation, humidity and solar radiation, it results in feedbacks of potential importance for the regional climate. Northern peatlands represent a diverse class of ecosystems that cover nearly 6 × 106 km2 in the Boreal region, which makes the inter-comparison of their energy balances an important objective. With this in mind we studied energy exchange across a broad spectrum of peatlands from pristine fens and bogs to forested and agriculturally managed peatlands, which represent a large fraction of the landscape in Finland and Sweden. The effects of management activities on the energy balance were extensively examined from the micrometeorological point of view, using eddy covariance data from eight sites in these two countries (56º 12'–62º 11' N, 13º 03'–30º 05' E). It appears that the surface energy balance varies widely amongst the different peatland types. Generally, energy exchange features including the Bowen ratio, surface conductance, coupling to the atmosphere, responses to water table fluctuations and vapour pressure deficit could be associated directly with the peatland type. The relative constancy of the Bowen ratio in natural open mires contrasted with its variation in tree-covered and agricultural peatlands. We conclude that the impacts of management and the consequences of land-use change in peatlands for the local and regional climate might be substantial.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- LANTBRUKSVETENSKAPER -- Annan lantbruksvetenskap -- Miljö- och naturvårdsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Other Agricultural Sciences -- Environmental Sciences related to Agriculture and Land-use (hsv//eng)
Keyword
- Bowen ratio
- Land use
- Peatland management
- Surface energy balance
Publication and Content Type
- art (subject category)
- ref (subject category)
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To the university's database
- By the author/editor
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Alekseychik, Pav ...
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Mammarella, I.
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Lindroth, A.
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Lohila, A.
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Aurela, M.
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Laurila, T.
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Kasurinen, V.
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Lund, M.
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Rinne, J.
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Nilsson, Mats
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Peichl, Matthias
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Minkkinen, K.
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Shurpali, N. J.
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Tuittila, E. S.
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Martikainen, P. ...
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Tuovinen, J. P.
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Vesala, T.
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- 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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and Ecology
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- AGRICULTURAL SCIENCES
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AGRICULTURAL SCI ...
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and Other Agricultur ...
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and Environmental Sc ...
- Articles in the publication
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Mires and Peat
- By the university
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Lund University
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Swedish University of Agricultural Sciences