Fizjograficzne uwarunkowania obiegu i retencji wody oraz migracji zanieczyszczeń w małej zlewni strefy podmiejskiej Łodzi
Role of geographical conditions in water circulation, retention and migration of substances within a small drainage basin

Summary/Abstract: In the article some problems connected with the role of physiographical conditions in water circulation process and migration of substances within a little drainage basin situated on the outskirts of large town (Łódź) were discussed. The description was given in two basic aspects: runoff forming and retention shaping. The results referred especially to the role of sculpture of the Earth’s surface (inclination of slopes), soil permeability and ground susceptibility to shaping the runoff forms. Due to the water retention not only surface retention issue but also problems with channels, water reservoirs, water capacity of the rhizomes range area and groundwater resources mentioned. Great attention was given to the presentation and analyses of the spatial variability of the drainage basin characteristics. To illustrate it digital maps were used, which based on elementary squares network. These maps are the most important results of the research.

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