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- Alekseychik, PavelUniversity of Helsinki (author)
Surface energy exchange in pristine and managed boreal peatlands
- Article/chapterEnglish2018
Publisher, publication year, extent ...
- 2018
Numbers
- LIBRIS-ID:oai:lup.lub.lu.se:c761ef18-ed38-417d-b946-6847d9356c81
- https://lup.lub.lu.se/record/c761ef18-ed38-417d-b946-6847d9356c81URI
- https://doi.org/10.19189/MaP.2018.OMB.333DOI
- https://res.slu.se/id/publ/96854URI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- 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 and genre
- 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
- Bowen ratio
- Land use
- Peatland management
- Surface energy balance
Added entries (persons, corporate bodies, meetings, titles ...)
- Mammarella, I.University of Helsinki (author)
- Lindroth, A.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(Swepub:lu)ngeo-ali (author)
- Lohila, A.Finnish Meteorological Institute (author)
- Aurela, M.Finnish Meteorological Institute (author)
- Laurila, T.Finnish Meteorological Institute (author)
- Kasurinen, V.University of Helsinki (author)
- Lund, M.Aarhus University(Swepub:lu)nate-mnl (author)
- Rinne, J.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(Swepub:lu)ja4127ri (author)
- Nilsson, MatsSveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Umeå,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management(Swepub:slu)47620 (author)
- Peichl, MatthiasSveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Umeå,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management(Swepub:slu)48058 (author)
- Minkkinen, K.University of Helsinki (author)
- Shurpali, N. J.University of Eastern Finland (author)
- Tuittila, E. S.University of Eastern Finland (author)
- Martikainen, P. J.University of Eastern Finland (author)
- Tuovinen, J. P.Finnish Meteorological Institute (author)
- Vesala, T.University of Helsinki (author)
- University of HelsinkiBECC: Biodiversity and Ecosystem services in a Changing Climate (creator_code:org_t)
- Sveriges lantbruksuniversitet
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- In:Mires and Peat211819-754X
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