Paper Information

Journal:   JOURNAL OF WATERSHED MANAGEMENT RESEARCH   FALL 2015-WINTER 2016 , Volume 6 , Number 12; Page(s) 193 To 204.
 
Paper: 

COMPARISON OF LOGISTIC REGRESSION, FREQUENCY RATIO AND AHP IN ROCK FALL SUSCEPTIBILITY MAPPING (CASE STUDY: KURDISTAN PROVINCE, SALAVAT ABAD SADDLE)

 
 
Author(s):  SHIRZADI ATAOLLAH*, SOLAIMANI KARIM, HABIBNEZHAD ROSHAN MAHMOUD, KAVIAN ATAOLLAH, GHASEMIAN BAHAREH
 
* SARI AGRICULTURAL SCIENCES AND NATURAL RESOURCES UNIVERSITY
 
Abstract: 

Rock falls are natural process of activities geomorphic on steep slopes in mountainous terrains. At this research, rock fall susceptibility mapping was generated by logistic regression (LR), frequency ratio (FR) and analytical hierarchy process (AHP) at a long 11 km of the Salavat Abad road in the eastern of Sanandaj, Kurdistan, Iran. Dependent variables is occurrence and nonoccurrence of rock falls and independent variables are including; slope degree, slope aspect, slope curvature, elevation of sea, lithology, distance from road, distance from fault, land use. The maps which were generated with the methods, compared and verified with rock-falls situation using the success rate curve (SRC). Results showed that the logistic regression, analytical hierarchy process and frequency ratio methods had an accuracy of 85.09, 83.2 and 76.76 percent of the area under the curve (AUC), respectively. Therefore, logistic regression is more proper than the other methods for determining regions prone to the rock fall in the case study.

 
Keyword(s): ROCK FALL, LOGISTIC REGRESSION (LR), FREQUENCY RATIO (FR), ANALYTICAL HIERARCHY PROCESS (AHP), SALAVAT ABAD SADDLE, KURDISTAN
 
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