The changes in land use structure related to the threat of surface water erosion as exemplified by the Grodarz stream watershed
2004
Wawer, R. | Podolski, B. | Nowocien, E. (Instytut Uprawy Nawozenia i Gleboznawstwa, Pulawy (Poland). Zaklad Gleboznawstwa Erozji i Ochrony Gruntow)
The work presents research results on the changes in land use structure in two time periods: 1973-83 and 1983-96. Digitalization of three orthophoto maps from 1973, 1983 and 1996 revealed land use maps in the vector format. On the maps it was possible to distinguish some land use types, divided into two groups: forests and afforestations, orchards and raw crops. Changes in the areas of those land use groups were calculated and spatially localized through overlay operations in GIS system. Final analysis considered relations between land use changes and surface erosion risk
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