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Procesy fluwialne w zlewni o wysokim stopniu urbanizacji na przykładzie Kielc

Ciupa T.

Przegląd Naukowy Inżynieria i Kształtowanie Środowiska

2003

Vol. 12, No. 1

24--34

The aim of the study is evaluation the behavior of river as a fluvial system, in conditions of man- mad stress, particularly in the urbanized landscape. Two neighboring catchments were selected for the study; Silnica and Sufraganiec. The former is influenced by urban facilities, the latter one consists largely of open agricultural spaces and woodland. The research concerning hydrologic and fluvial processes has confirmed the hypothesis, that the environmental impact and land use patterns are essential factors influencing the fluvial system behavior. They showed to be different in both; the dynamics of runoff and efficiency of fluvial processes. Intensity of human induced changes in river beds and fluvial processes shows to be proportional to the level of modification in the urbanized landscape. Silnica catchment has been modified mainly due to the growth of paved surfaces and the drainage network development. As a consequence, the surface runoff has been accelerated and the energy of fluvial processes enlarged. The water circulation, transport and sedimentation conditions as well as sources of the waste material delivery have their reflection in fluvial transport processes. As the Sufraganiec catchment remains under agroforested use, the intensity and efficiency of the fluvial processes are here incomparably weaker.