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Sökning: WFRF:(van der Knaap M S) > Regional climate mo...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004803naa a2200613 4500
001oai:DiVA.org:lnu-31259
003SwePub
008131213s2013 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-312592 URI
024a https://doi.org/10.5194/cpd-9-5785-20132 DOI
040 a (SwePub)lnu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Strandberg, G.4 aut
2451 0a Regional climate model simulations for Europe at 6 k and 0.2 k yr BP: sensitivity to changes in anthropogenic deforestation.
264 1b Copernicus GmbH,c 2013
338 a print2 rdacarrier
520 a This study aims to evaluate the direct effects of anthropogenic deforestation on simulated climate at two contrasting periods in the Holocene, ~6 k BP and ~0.2 k BP in Europe. We apply RCA3, a regional climate model with 50 km spatial resolution, for both time periods, considering three alternative descriptions of the past vegetation: (i) potential natural vegetation (V) simulated by the dynamic vegetation model LPJ-GUESS, (ii) potential vegetation with anthropogenic land cover (deforestation) as simulated by the HYDE model (V + H), and (iii) potential vegetation with anthropogenic land cover as simulated by the KK model (V + K). The KK model estimates are closer to a set of pollen-based reconstructions of vegetation cover than the HYDE model estimates. The climate-model results show that the simulated effects of deforestation depend on both local/regional climate and vegetation characteristics. At ~6 k BP the extent of simulated deforestation in Europe is generally small, but there are areas where deforestation is large enough to produce significant differences in summer temperatures of 0.5–1 °C. At ~0.2 k BP, simulated deforestation is much more extensive than previously assumed, in particular according to the KK model. This leads to significant temperature differences in large parts of Europe in both winter and summer. In winter, deforestation leads to lower temperatures because of the differences in albedo between forested and unforested areas, particularly in the snow-covered regions. In summer, deforestation leads to higher temperatures in central and eastern Europe since evapotranspiration from unforested areas is lower than from forests. Summer evaporation is already limited in the southernmost parts of Europe under potential vegetation conditions and, therefore, cannot become much lower. Accordingly, the albedo effect dominates also in summer, which implies that deforestation causes a decrease in temperatures. Differences in summer temperature due to deforestation range from −1 °C in south-western Europe to +1 °C in eastern Europe. The choice of anthropogenic land cover estimate has a significant influence on the simulated climate, but uncertainties in palaeoclimate proxy data for the two time periods do not allow for a thorough comparison with climate model results.
650 7a NATURVETENSKAPx Biologix Ekologi0 (SwePub)106112 hsv//swe
650 7a NATURAL SCIENCESx Biological Sciencesx Ecology0 (SwePub)106112 hsv//eng
653 a Paleoecology
653 a Paleoekologi
700a Kjellström, E.4 aut
700a Poska, A.4 aut
700a Wagner, S.4 aut
700a Gaillard, Marie-José,d 1953-u Linnéuniversitetet,Institutionen för biologi och miljö (BOM)4 aut0 (Swepub:lnu)egama
700a Trondman, Anna-Kariu Linnéuniversitetet,Institutionen för biologi och miljö (BOM)4 aut0 (Swepub:lnu)etran
700a Mauri, A.4 aut
700a Birks, H.J.B.4 aut
700a Bjune, A.E.4 aut
700a Davis, B. A. S.4 aut
700a Fyfe, R.4 aut
700a Giesecke, T.4 aut
700a Kalnina, L.4 aut
700a Kangur, M.4 aut
700a Kaplan, J.O.4 aut
700a van der Knaap, W.O.4 aut
700a Kokfelt, U.4 aut
700a Kuneš, P.4 aut
700a Latałowa, M.4 aut
700a Marquer, Laurentu Linnéuniversitetet,Institutionen för biologi och miljö (BOM)4 aut0 (Swepub:lnu)lamaab
700a Mazier, F.4 aut
700a Nielsen, A.B.4 aut
700a Smith, B.4 aut
700a Seppä, H.4 aut
700a Sugita, S.4 aut
710a Linnéuniversitetetb Institutionen för biologi och miljö (BOM)4 org
773t Climate of the Past Discussionsd : Copernicus GmbHg 9:5, s. 5785-5836q 9:5<5785-5836x 1814-9340x 1814-9359
856u https://doi.org/10.5194/cpd-9-5785-2013y Fulltext
856u https://www.clim-past.net/10/661/2014/cp-10-661-2014.pdf
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-31259
8564 8u https://doi.org/10.5194/cpd-9-5785-2013

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