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SETSCI - Volume 3 (2018)
ISAS2018-Winter - 2nd International Symposium on Innovative Approaches in Scientific Studies, Samsun, Turkey, Nov 30, 2018

Determination of Erosion Sensivity to Soil in Tokat Region (ISAS2018-Winter_205)
Saniye Demir1*, İrfan Oğuz2, Erhan Özer3, Rasim Koçyiğit4
1Tokat Gaziosmanpaşa University, Tokat, Turkey
2Tokat Gaziosmanpaşa University, Tokat, Turkey
3Tokat Gaziosmanpaşa University, Tokat, Turkey
4Tokat Gaziosmanpaşa University, Tokat, Turkey
* Corresponding author: saniye.demir@gop.edu.tr
Published Date: 2019-01-14   |   Page (s): 1066-1070   |    6     3
ABSTRACT Erosion is among the leading factors threatening our sources of soil and water. The use of soil susceptibility indices
to determine erosion and risk situations has an important place especially in erosion studies. The susceptibility of soil to erosion
is the resistance of soil against decomposition due to some external forces. Carried out around Tokat-Tekneli village, the research
aims to determine the erodibility factor (K) of the soil by its physical and chemical qualities, in different slope segments of a
field which is applied wheat-fallowing planting watch and has a convex slope in the study area. With this aim, three-times
repeated deteriorated surface soil samples of 0-20 cm depth were taken from the peak, shoulder, ridge, face, and inch (finger)
regions of the slope area, and they were analyzed in the laboratory. With the formulation of K factor, soil erodibility value of
each soil sample was calculated. The erodibility value of the region is between 0.07 and 0.12 t ha-1 Mj mm-1, and it was
determined that soils are classified in the soil class which is sensitive to moderate erosion. 
KEYWORDS Erosion, USLE, K factor, Tokat
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