SPATIAL AND TEMPORAL ANALYSIS OF LANDSCAPE PALUDIFICATION AND ITS ATMOSPHERIC INTERACTIONS OVER THE HOLOCENE

机译：全新世景观更新及其时空相互作用的时空分析

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In South-Western Finland the mire development, starting from initial sedge fens about 900 years ago, eventually resulted in formation of ombrotrophic plateau bogs. Two millennia after the paludification started the climatic conditions changed, causing a take-over of ombrotrophic vegetation. Landscape-atmospheric interaction in peatlands can be viewed through the history of carbon gas fluxes. As peatland ecohydrology is highly dependent on climatic inferences like distribution of precipitation, especially on summer droughts, variations in such weather patterns may cause large interannual changes in CH_4 emissions or the rate of C sequestration. This paper presents by means of sensitivity analysis, how rapid climatic changes during the late Holocene may have changed the annual gas exchange patterns in raised bog Kontolanrahka, and the atmospheric interaction of southern boreal peatlands in general.

机译：在西南芬兰，泥潭的发展始于大约900年前的莎草，最终导致形成营养缺陷型高原沼泽。在光荣化开始两千年之后，气候条件发生了变化，导致了非营养植物的接管。通过碳气体通量的历史可以观察泥炭地中的景观-大气相互作用。由于泥炭地生态水文学高度依赖于诸如降雨分布的气候推断，尤其是夏季干旱，因此这种天气模式的变化可能会导致CH_4排放量或碳固存率发生较大的年际变化。本文通过敏感性分析介绍了全新世晚期的快速气候变化如何改变了隆起的沼泽Kontolanrahka的年度气体交换模式，以及总体上与北方北方泥炭地的大气相互作用。

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来源
《International Peat Congress; 20040606-11; Tampere(FI)》|2004年|P.961-967|共7页
会议地点 Tampere(FI)
作者
JUKKA ALM; ELISENDA PARDELL; BORIS DUPEK; ATTE KORHOLA; JUKKA TURUNEN; KIMMO TOLONEN;
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作者单位

Finnish Forest Research Institute (METLA), Joensuu Research Centre, Yliopistokatu 7, P.O. Box 68, FIN-80100, Joensuu, Finland;

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会议组织
原文格式 PDF
正文语种 eng
中图分类土壤改良;泥炭、污泥、土肥、灰肥;
关键词
ombrotrophic bog; climatic change; water table dynamics; sensitivity; methane;

机译：综合营养沼泽;气候变化;地下水位动力学;敏感性;甲烷;

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SPATIAL AND TEMPORAL ANALYSIS OF LANDSCAPE PALUDIFICATION AND ITS ATMOSPHERIC INTERACTIONS OVER THE HOLOCENE

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