LANDSLIDE HAZARD ZONATION USING ANALYTICAL HIERARCHY METHOD A CASE STUDY: CHALKROOD CATCHMENT

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SHADFAR S.; YAMANI M.; GHODOUSI JAMAL; GHAYOUMIAN J.

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Journal: Year:2007 | Volume:20 | Issue:2 (75 IN NATURAL RESOURCES) Page(s): 118-126

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Title

LANDSLIDE HAZARD ZONATION USING ANALYTICAL HIERARCHY METHOD A CASE STUDY: CHALKROOD CATCHMENT

Author(s)

SHADFAR S. | YAMANI M. | GHODOUSI JAMAL | GHAYOUMIAN J. | Issue Writer Certificate

Keywords

LANDSLIDE HAZARD ZONATIONQ3

ANALYTICAL HIERARCHY PROCESSQ1

PAIRED COMPARISONQ3

ARIAL PHOTOS INTERPRETATIONQ3

CHALKROODQ3

Abstract

Identification of factor affecting existing of landslide as well as its zonation in the given watershed is one of the basic tools for landslide control and selection of appropriate and effective solution as well. Thus, a research study with objective of recognizing factor affecting landslide and determination of lands with hypothential to its occurrence was conducted to prepare landslide zonation map for the CHALKROOD watershed analytical hierarchy method. In order to determine the most important factor affecting landsliding different maps including slope, aspect, altitude, faults, drainage network, access roads, lithology, land use and rainfall maps were prepared digitally using aerial photos with scale of 1:20000 and 1:40000 for the year of 1967 and 2001 respectively together with field checks using GPS.Then affecting factors were binary compared using analytical method by indicating the weight of each factor as indicator for their effects in occurrence of landslide. Accordingly, the landslide zonation hazard map was prepared to the use of weighed information layer and weighted coefficient of each factor. Results of this study show that the analytical hierarchy method is precise method for evaluation of landslide potential due to the use of binary comparison affecting factors and considering numerous factors for landslide evaluation at the same time in comparison to the other prevalent method and the results indicates that the percentage of high hazard class is 85 percent in AHP method.

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APA: Copy

SHADFAR, S., YAMANI, M., GHODOUSI, JAMAL, & GHAYOUMIAN, J.. (2007). LANDSLIDE HAZARD ZONATION USING ANALYTICAL HIERARCHY METHOD A CASE STUDY: CHALKROOD CATCHMENT. PAJOUHESH-VA-SAZANDEGI, 20(2 (75 IN NATURAL RESOURCES)), 118-126. SID. https://sid.ir/paper/18902/en

Vancouver: Copy

SHADFAR S., YAMANI M., GHODOUSI JAMAL, GHAYOUMIAN J.. LANDSLIDE HAZARD ZONATION USING ANALYTICAL HIERARCHY METHOD A CASE STUDY: CHALKROOD CATCHMENT. PAJOUHESH-VA-SAZANDEGI[Internet]. 2007;20(2 (75 IN NATURAL RESOURCES)):118-126. Available from: https://sid.ir/paper/18902/en

IEEE: Copy

S. SHADFAR, M. YAMANI, JAMAL GHODOUSI, and J. GHAYOUMIAN, “LANDSLIDE HAZARD ZONATION USING ANALYTICAL HIERARCHY METHOD A CASE STUDY: CHALKROOD CATCHMENT,” PAJOUHESH-VA-SAZANDEGI, vol. 20, no. 2 (75 IN NATURAL RESOURCES), pp. 118–126, 2007, [Online]. Available: https://sid.ir/paper/18902/en

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