Rainfall Threshold for Landslide Warning in Southern Thailand – An Integrated Landslide Susceptibility Map with Rainfall Event – Duration Threshold

• Autorzy: Salee Rattana , Chinkulkijniwat Avirut , Yubonchit Somjai , Bui Van Duc

Identyfikatory

DOI

10.12911/22998993/155023

• Języki publikacji: EN

Abstrakty

EN

Southern Thailand is one of hotspots for landslides. So far, the rainfall triggered landslides in this region caused many sufferers and fatalities. On the basis of the rainfall data that triggered ninety-two landslide events during 1988–2018 and the landslide susceptibility maps published by the Department of Mineral Resources (DMR), this study introduced rainfall event-duration (ED) thresholds, namely EDm and EDh thresholds, for the places classified as the modest and the huge susceptibility levels, respectively. The modest susceptibility is a combination of very low, low, and moderate landslide susceptibility levels indicated in DMR maps. The huge susceptibility is a combination of high and very high landslide susceptibility levels indicated in DMR maps. Indicated by an area under the receiver operating characteristic curve (AUC), the EDm and EDh thresholds yielded the significantly better predictability than the original threshold did. Furthermore, the EDm threshold yielded the perfect prediction with AUC of 1.00.

Słowa kluczowe

EN

rainfall threshold; landslide susceptibility level; contingency matrix; skill score

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2022
• Tom: Vol. 23, nr 12
• Strony: 124--133
• Opis fizyczny: Bibliogr. 20 poz., rys., tab.

Twórcy

autor

Salee Rattana

• Center of Excellence in Civil Engineering, School of Civil Engineering, Institute of Engineering, Suranaree University of Technology 111 University Avenue, Muang, Nakhon Ratchasima 30000, Thailand

autor

Chinkulkijniwat Avirut

• Center of Excellence in Civil Engineering, School of Civil Engineering, Institute of Engineering, Suranaree University of Technology 111 University Avenue, Muang, Nakhon Ratchasima 30000, Thailand

• https://orcid.org/0000-0003-4905-7991

autor

Yubonchit Somjai

• School of Civil Engineering, Rajamangala University of Technology Isan 744 Sura Narai Road, Muang District, Nakhon Ratchasima 30000, Thailand

autor

Bui Van Duc

• Faculty of Civil Engineering, Hanoi University of Mining and Geology, North Tu Liem District, Hanoi City, Vietnam

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).