شماره ركورد :
20981
عنوان به زبان ديگر :
Erosion Analysis of Sahin Creek Watershed (NW of Turkey) Using GIS Based on Rusle (3d) Method
پديد آورندگان :
Efe Recep نويسنده , Ekinici Deniz نويسنده , Curebal Isa نويسنده
از صفحه :
49
تا صفحه :
58
تعداد صفحه :
10
چكيده لاتين :
The aim of this study is to determine the potential erosion risk and to predict long time average annual soil loss resulting from raindrop splash and nmoff and controlling factors in Sahin Creek watershed which is located on the northern part of Edremit Gulf in the Northwest of Turkey. For this pmpose in order to determine controlling factors and find out the rate of potential erosion risk, Geographical Information Syslems (GIS) based Revised Universal Soil Loss Equalion (RUSLE) model was used. All faclors used in tbe RUSLE were calculated for the watershed using local data. RUSLE-factor maps were made. According to result of this study five erosion risk classes which are low, slight, moderate, high, severe were defined. The mean values of the R-factor, K-factor, LS-factor, C-factor and P-factor were 305 km^-2 h^-1 a^-1 (MJ ha^-1 year^-1), 0.54 Mg h MJ^-1 mm^-1 (ton ha^-1 year^-1), 15.03, 0.05 and 0.95, respectively. The mean annual soil loss is estimated to be 43 tons per year per hectare. There is more erosion in the upland on the north and step slopes in the west of Sahin creek watershed.
شماره مدرك :
1205018
لينک به اين مدرک :
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