Application of expert rules in indirect approaches for landslide susceptibility assessment. Thiery, Y., Maquaire, O., & Fressard, M. 11(3):411–424. Number: 3![Application of expert rules in indirect approaches for landslide susceptibility assessment [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Landslide susceptibility (LS) assessment by indirect approaches presents some limitations due to (1) the tendency to simplify the environmental factors (i.e., variables) and (2) the assumptions that landslides occur under the same combination of variables for a study site. Recently, some authors have discussed the interest to introduce expert knowledge in the indirect approaches in order to improve the quality of indirect LS maps. However, if the results are reliable, the procedures used seem fastidious and a very good knowledge of the study site is essential. The objectives of this paper are to discuss a methodology to introduce the expert knowledge in the indirect mapping process. After the definition of the expert rules associated to three landslide types, several indirect LS maps are produced by two indirect exploratory approaches, based on fuzzy set theory and on a modification of a bivariate method called expert weight of evidence. Then, the indirect LS maps are confronted to a landslide inventory and a LS map produced by a direct approach. The analyses indicate that the methodology used to introduce the expert rules in the mapping process increases the predictive power of indirect LS map. Finally, some indications about advantages and drawbacks of each approach are given to help the geoscientist to introduce his expert knowledge in the landslide susceptibility mapping process.
@article{thiery_application_2014,
title = {Application of expert rules in indirect approaches for landslide susceptibility assessment},
volume = {11},
issn = {1612-5118},
url = {https://doi.org/10.1007/s10346-013-0390-8},
doi = {10.1007/s10346-013-0390-8},
abstract = {Landslide susceptibility ({LS}) assessment by indirect approaches presents some limitations due to (1) the tendency to simplify the environmental factors (i.e., variables) and (2) the assumptions that landslides occur under the same combination of variables for a study site. Recently, some authors have discussed the interest to introduce expert knowledge in the indirect approaches in order to improve the quality of indirect {LS} maps. However, if the results are reliable, the procedures used seem fastidious and a very good knowledge of the study site is essential. The objectives of this paper are to discuss a methodology to introduce the expert knowledge in the indirect mapping process. After the definition of the expert rules associated to three landslide types, several indirect {LS} maps are produced by two indirect exploratory approaches, based on fuzzy set theory and on a modification of a bivariate method called expert weight of evidence. Then, the indirect {LS} maps are confronted to a landslide inventory and a {LS} map produced by a direct approach. The analyses indicate that the methodology used to introduce the expert rules in the mapping process increases the predictive power of indirect {LS} map. Finally, some indications about advantages and drawbacks of each approach are given to help the geoscientist to introduce his expert knowledge in the landslide susceptibility mapping process.},
pages = {411--424},
number = {3},
journaltitle = {Landslides},
shortjournal = {Landslides},
author = {Thiery, Yannick and Maquaire, Olivier and Fressard, Mathieu},
urldate = {2019-04-16},
date = {2014-06-01},
langid = {english},
note = {Number: 3},
keywords = {{GIS}, Expert approach, Indirect approach, Landslide, Susceptibility assessment}
}
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