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Citation link: http://nbn-resolving.de/urn:nbn:de:gbv:46-diss000118845
00011884.pdf
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Studien zur Struktur und Dynamik der Sommerniederschläge in Finnisch-Lappland und ihrer zukünftigen Entwicklung sowie zur Bedeutung der Interzeption borealer Waldvegetation für den Landschaftswasserhaushalt


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Other Titles: Studies to structure and dynamics of summer precipitation events in Finnish Lapland and the meaning of strata specific interception loss to boreal forest vegetation
Authors: Langer, Marco 
Supervisor: Venzke, Jörg-Friedhelm
1. Expert: Venzke, Jörg-Friedhwelm 
2. Expert: Berger, Uta
Abstract: 
The global increase of global air temperatures since the Late-Glacial and during the Holocene is well-documented by means of proxy-data and meteorological monitoring. These model claculation show a more intensive global warming in high latitudes in comparison to the rest of the world. In relation to summer precipitation amount (May-September) an increase can be found for May ( 105%) and July ( 98%), while August (-65%) and September (-77%) follow high decreasing trends. While the number of precipitation events with middle and high amounts of rainfall decreased, the low-intensity precipitation increased during the summer period from 1978 to 2007. The evaluation of measuring data to strata specific interception results in very high losses in moss layer (55-60%). 17& of the precipitation sum were intercepted by the tree layer in both stands, while 4% were caught by shrub layer in VF Auf. Low amount of precipitation sum were held back by the dwarf layer (3-4%) in VF Auf, while one tenth of totally precipitation sum was intercepted by litter layer in both boreal stands. However, the seeping water entry varied from 8.5% in VF Auf to 5.2% in VF Alt.
Keywords: Finnish Lapland, summer precipitation, boreal vegetation, strata specific interception loss
Issue Date: 22-Feb-2010
Type: Dissertation
URN: urn:nbn:de:gbv:46-diss000118845
Institution: Universität Bremen 
Faculty: FB8 Sozialwissenschaften 
Appears in Collections:Dissertationen

  

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