DBPapers
DOI: 10.5593/sgem2012/s16.v4001

AN INTEGRATED APPROACH GIS–RUSLE IN THE ASSESSMENT OF EROSION AND SOIL LOSS. CASE STUDY: CALNIC BASIN (SOUTHERN TRANSYLVANIAN DEPRESSION, ROMANIA)

M. COSTEA
Wednesday 1 August 2012 by Libadmin2012

References: 12th International Multidisciplinary Scientific GeoConference, www.sgem.org, SGEM2012 Conference Proceedings/ ISSN 1314-2704, June 17-23, 2012, Vol. 4, 41 - 48 pp

ABSTRACT

Slope processes caused by precipitations are geomorphologic processes of land
degradation, that increase ecosystems vulnerability. In this context, the assessment of
erosion and soil loss is an important tool in the agriculture management, the regional
planning and the sustainable development. This paper is focused to quantify soil loss
(t/ha/year) by integrating Geographical Information Systems with the RUSLE model
(Revised Universal Soil Loss Equation). The analyzed factors are: the climate, the relief
and soils characteristic, the land cover and the land use type. Calnic basin was chosen as
case study, an inhomogeneous basin in terms of geographical conditions, anthropic
pressure and susceptibility to erosion. Highlighting the role of RUSLE equation factors
in erosion is accomplished by detailed spatial analysis of transverse section in the upper
sector of basin. The analysis is useful for assessing the land degradation through
erosion, but also to identify the most susceptible area to this process.

Keywords: erosion, GIS, RUSLE, Calnic Basin, Romania

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