Geoinformatic assessment ot the consequences of extreme flood in August 2002 in Otava river basin
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Trvalý odkaz
http://hdl.handle.net/20.500.11956/160862Identifikátory
Kolekce
- GEOBIBLINE - plné texty [10555]
Autor
Datum vydání
2003Klíčová slova (česky)
geologieKlíčová slova (anglicky)
hazardsThe article presents application of geoinformatic and geostatistical techniques in finding relations between observed consequences of the extreme food in August 2002 and the set of causal factors - anthropogenic transformation of the landscape and physicogeographical features. The indicators Of anthropogenic transformation of landscape were acquired from major analytical projects solving individual aspects of extreme flooding in August 2002 in the Otava river basin as the core zone of the flood - analysis of long-term landuse changes, river network shortening, anthropogenic transformation of riverbed and floodplain and mapping of geomorphological evidences of the flood. For 1nding spatial and statistical relations between individual factors and flood consequences the rule-based classification aid cluster analysis in the GIS environment were applied. The results show the spatial and statistical differentiation of the effect of individual landscape modifications on the hood consequences according the physicogeographical features and observed hood extremity. The presented approach could help in assessing the impact of anthropogenic changes in landscape on runoff process in large-scale, heterogeneous river basins and improve the land management and flood protection planning process