کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4571488 1629238 2014 16 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A novel ensemble bivariate statistical evidential belief function with knowledge-based analytical hierarchy process and multivariate statistical logistic regression for landslide susceptibility mapping
ترجمه فارسی عنوان
یک مجموعه ی جدید دوبعدی عاطفی ادعای عینی با استفاده از فرایند سلسله مراتبی تحلیلی مبتنی بر دانش و رگرسیون لجستیک آماری چند متغیره برای نقشه برداری حساسیت به لغزش
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات فرآیندهای سطح زمین
چکیده انگلیسی


• Used an ensemble EBF based AHP and LR for spatial prediction of landslide hazard
• Tested the efficiency when subjectivity of knowledge based approaches is reduced
• EBF determined the pre-processed relationship between causative factors.
• Tested the efficiency of AHP and LR to find the effective causative failure factors
• EBF based AHP can be used for landslide hazard prediction in medium scale areas.

This study compares the landslide susceptibility maps from four application models, namely, (1) the bivariate model of the Dempster–Shafer based evidential belief function (EBF); (2) integration of the EBF in the knowledge-based analytical hierarchy process (AHP) as a pairwise comparison model processed by using all available causative factors; (3) integration of the EBF in the knowledge-based AHP as a pairwise comparison model by using high nominated causative factor weights only; and (4) integrated EBF in the logistic regression (LR) as a multivariate model by using nominated causative factor weights only. These models were tested in Pohang and Gyeongju Cities (South Korea) by using the geographic information system GIS platform. In the first step, a landslide inventory map consisting of 296 landslide locations were prepared from various data sources. Then, a total of 15 landslide causative factors (slope angle, slope aspect, curvature, surface roughness, altitude, distance from drainages, stream power index, topographic wetness index, wood age, wood diameter, wood type, forest density, soil thickness, soil texture, and soil drainage) were extracted from the database and then converted into a raster. Final susceptibility maps exhibit close results from the two models. Models 1 and 3 predicted 82.3% and 80% of testing data during the analysis, respectively. Thus, Models 1 and 3 show better performance than LR. These resultant maps can be used to extend the capability of bivariate statistical based model, by finding the relationship between each single conditioning factor and landslide locations, moreover, the proposed ensemble model can be used to show the inter-relationships importance between each conditioning factors, without the need to refer to the multivariate statistic. The research outcome may provide powerful tools for natural hazard assessment and land use planning.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: CATENA - Volume 114, March 2014, Pages 21–36
نویسندگان
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