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Wyszukujesz frazę "windstorm" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Influence of site conditions on the windstorm impast : a case study of the High Tatras foothills in 2004
Autorzy:
Minár, J.
Falan, V.
Bánovský, M.
Damankošová, Z.
Kouch, M.
Powiązania:
https://bibliotekanauki.pl/articles/294593.pdf
Data publikacji:
2009
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
windstorm
sites
geoecological research
statistical methods
Tatra National Park
Opis:
The calamity situation in the forests of the Tatra National Park, caused by a windstorm on the 19th of November 2004, had widespread damaging effects. The wind calamity caused slashes and wind throws as well. The aim of our paper is to describe influence of the site conditions (parameters of vegetation, soil and georelief) on the windstorm impact at chosen representative localities in the High Tatras foothills. The results obtained by methods of large-scaled geo-ecological field research, remote sensing, geographical information system environment and statistical analyses are presented in this paper. Geotops of saddles, elevations of moraine and colluvial slopes with planted spruce growths and spruce-bilberry forests have been damaged most. Small damage was recorded on geotops of erosion slopes with spruce-bilberry and fir forests, depressions and slopes of moraines covered with mixed pioneer forests. The most important were herein the characteristics of the rock skeleton (mainly size and weathering), soil texture, georelief orientation or wind exposition. The important role of the altitude probably expresses a regional positional factor (distance from the uphill line).
Źródło:
Landform Analysis; 2009, 10; 95-101
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Forest fragmentation in the Tatra Region in the period 2000 -2006
Autorzy:
Kopecka, M.
Novaček, J.
Powiązania:
https://bibliotekanauki.pl/articles/294350.pdf
Data publikacji:
2009
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
forest fragmentation
CORINE Land Cover
landscape change
windstorm calamity
Tatra region
Opis:
The calamity windstorm in November 2004 caused dramatic changes of land cover in the Tatra Mountains. The bora have destroyed then more than 12,000 ha of forest and principally affected the habitat structure in the Tatra National Park. The aim of this contribution is to quantify changes in forest fragmentation in 2000 and 2006. We present forest fragmentation maps related to the years 2000 and 2006. The CORINE Land Cover data layers CLC 2000 and CLC 2006 converted to raster format were used as the input data in the process of forest fragmentation assessment. Forest pixels were classified according to fragmentation indices measured within the surrounding landscape as the forest core, forest patch, forest edge, and perforated forest. Decrease of the compact forest areas (forest core) by about 9% was recorded. On the other side, increased percentage of disrupted forest areas was observed. Decrease of the area of the CLC forest classes (classes 311, 312 and 313) on land cover maps from 2000 and 2006 was connected with an increased number of transitional woodland/shrubs polygons (CLC class 324). These results suggest a temporary fragmentation with possible forest regeneration. On the other hand, forest destruction in the National Park facilitated the development of travel and tourism (new hotels, ski parks, etc.). An increased number of construction sites (CLC class 133) indicate that an urban sprawl associated with a permanent forest fragmentation can be also expected in the future.
Źródło:
Landform Analysis; 2009, 10; 58-63
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Climatological analysis of windstorm from November 2004 and evaluation of its impacts on meso- and microclimatic conditions in the High Tatras Region
Autorzy:
Pecho, J.
Poleák, N.
Powiązania:
https://bibliotekanauki.pl/articles/294605.pdf
Data publikacji:
2009
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
windstorm in the High Tatras
meso- and microclimatic condition changes
statistical analysis
air temperature regime changes
snow cover spatial analysis
Opis:
On Friday, November 19th, 2004, a violent windstorm of wasting force hit the High Tatras’forest scrubs. The landscape pattern of the 50 km long and 2.5 km wide area became completely changed by rare meteorological phenomena (the total area of devastated forest scrub was about 12,000 hectares). The forest scrub pattern has been dramatically changed whereby the connected and coherent spruce scrubs at the age between 40 and 110 years have been replaced by the low, mainly meadow vegetation. It is highly probable the radical surface change might have resulted in modification of meso- and microclimatic conditions of the affected region. Apart from this fact, an impact of expected meso- and microclimatic condition changes on regional climate could modify the atmospheric component of the High Tatras environment. For the purpose of identification and quantification of significant scrub change-induced meso-climatic signal, we are dealing with statistical analysis of selected meteorological component time series (air temperature, air humidity, precipitation, wind speed, cloudiness, as well as sunshine duration and snow cover characteristics) at representative climatological stations (Poprad, Štrbské Pleso, Tatranská Lomnica, Stará Lesná, Oravská Lesná, Liptovský Hrádok, etc.) within the 1951–2007 and 1961–2007 period. However, we have not been able to validate any significant changes in air temperature, relative humidity and precipitation regime in the meso-scale climate conditions. Some relevant microclimate modifications of heat and moisture fluxes have been found, according to microclimate monitoring results presented in Matejka & Hurtalová (2008).
Źródło:
Landform Analysis; 2009, 10; 108-114
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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