An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis

SELÇUK, LEVENT

An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis

Levent SELÇUK (Yüzüncü Yıl Üniversitesi, Jeoloji Mühendisliği Bölümü, Van, Türkiye)

Turkish Journal of Earth Sciences

5 0

Yıl: 2013 Cilt: 22 Sayı: 4 Sayfa Aralığı: 523 - 535 Metin Dili: İngilizce İndeks Tarihi: 29-07-2022

An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis

Öz:

Most avalanche fatalities in Turkey have occurred in Bitlis Province. The scope of this research was to identify the avalanche hazard area of that province, using geographical information system (GIS) based multicriteria decision analysis (MCDA) and to evaluate it by means of sensitivity and accuracy analysis. The model consists of 5 GIS layers: elevation, slope, aspect, vegetation density, and land use. The hazard model is obtained by using a comparison matrix where all identified criteria of GIS layers are compared against each other. The acceptability of the model was determined using historical events. All of these events plotted over the model showed that there is a remarkable coincidence with high hazard areas. Approximately 90% of avalanche events have occurred in the high and moderately high areas. Settlement areas cover approximately 39,741 ha of study area and just 41 settlement areas (villages and towns) have ideal topographic characteristics to prevent avalanche hazard, while 82% of them are not suitable. The avalanche hazard model shows that the southeast and southwest parts of Bitlis (Center), Tatvan, and Hizan counties have the highest avalanche hazard. Therefore, site planning, construction of supporting structures, and control programs should be effectively integrated with avalanche pathways in potential areas.

Anahtar Kelime:

Konular: Jeoloji

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	SELÇUK L (2013). An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis. , 523 - 535.
Chicago	SELÇUK LEVENT An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis. (2013): 523 - 535.
MLA	SELÇUK LEVENT An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis. , 2013, ss.523 - 535.
AMA	SELÇUK L An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis. . 2013; 523 - 535.
Vancouver	SELÇUK L An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis. . 2013; 523 - 535.
IEEE	SELÇUK L "An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis." , ss.523 - 535, 2013.
ISNAD	SELÇUK, LEVENT. "An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis". (2013), 523-535.

APA	SELÇUK L (2013). An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis. Turkish Journal of Earth Sciences, 22(4), 523 - 535.
Chicago	SELÇUK LEVENT An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis. Turkish Journal of Earth Sciences 22, no.4 (2013): 523 - 535.
MLA	SELÇUK LEVENT An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis. Turkish Journal of Earth Sciences, vol.22, no.4, 2013, ss.523 - 535.
AMA	SELÇUK L An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis. Turkish Journal of Earth Sciences. 2013; 22(4): 523 - 535.
Vancouver	SELÇUK L An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis. Turkish Journal of Earth Sciences. 2013; 22(4): 523 - 535.
IEEE	SELÇUK L "An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis." Turkish Journal of Earth Sciences, 22, ss.523 - 535, 2013.
ISNAD	SELÇUK, LEVENT. "An avalanche hazard model for Bitlis Province, Turkey, using GIS based multicriteria decision analysis". Turkish Journal of Earth Sciences 22/4 (2013), 523-535.