Landslide Susceptibility Mapping and Their Rainfall Thresholds Model in Tinalah Watershed, Kulon Progo District, Yogyakarta Special Region, Indonesia

https://doi.org/10.22146/jag.59185

Thema Arrisaldi(1), Wahyu Wilopo(2*), Teuku Faisal Fathani(3)

(1) Department of Geological Engineering, Faculty of Engineering, Universitas Gadjah Mada
(2) Geological Engineering Department, Faculty of Engineering, Gadjah Mada University
(3) Civil and Environment Engineering Department, Faculty of Engineering, Universitas Gadjah Mada
(*) Corresponding Author

Abstract


Landslide often occurred in Tinalah watershed, Kulon Progo District, every year. The frequency of landslide events is increasing after high rainfall intensity. Some factors control landslides such as slope gradient, land use, geological structure, slope hydrology, and geological condition. This research has an objective to develop the susceptibility map of Tinalah watershed and to identify the rainfall threshold to trigger a landslide. The development of the susceptibility map using frequency ratio method with four parameters including slope, type of rock, land use, and lineament density. The landslide data were collected during the field survey and from regional disaster management authority (BPBD) Kulon Progo. Rainfall data were collected from BMKG and GSMap. Soil analysis also was conducted to develop a numerical model to verify the rainfall threshold value. The result shows a high susceptibility of the landslide area is dominated in Tinalah watershed. The rainfall threshold for the low susceptibility of the landslide zone is I=490.14 D-1.404with 5-7 days antecedent rain. The rainfall threshold for medium susceptibility map is I=164.32D-0,689 3-7 days antecedent rain. Moreover, the rainfall threshold for the high susceptibility of the landslide zone is 111.62 D-0.779, with 2-7 days antecedent rain.

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References

Aleotti, P. (2004) A Warning System for Rainfall-Induced Shallow Failures. Engineering Geology, 73:247-265.

American Standard Testing and Material (ASTM). (2001) C128-1: Standard Test Method for Density, Relative Density (Specific Gravity), and Absorption of Fine Aggregate, 100 Barr Harbor Drive: United States.

Arisaldi, T. (2020) Evaluation of Geological Conditions and Rainfall Threshold Causes of Land slides in the Tinalah River Basin, Kulon Progo, Yogyakarta, Department of Geological Engineer-ing, Gadjah Mada University, Thesis-Unpublish (in Indonesia).

Avinash, K.G., Diwakar, P.G., Joshi, N.V., and Ramach, T.V. (2008) Landslide susceptibility mapping in the downstream region of Sharavathi river basin, Central Western Ghats. In Proceedings of the 24th annual symposium on space and technology ISROIISc technology cell, Indian Institute of Science.

Brunetti, M. T., Luino, F., Vennari, C., Peruccacci, S., Biddoccu, M., Valigi, D., & Ardizzone, F. (2013) Rainfall thresholds for possible occurrence of shallow landslides and debris flows in Italy. In Dating Torrential Processes on Fans and Cones, Springer, Dordrecht. pp. 327-339

Bui T.A., Fathani T.F., Wilopo W. (2019) Landslide Risk Assessment for Designing Monitoring and Early Warning System, Journal of Applied Geology 4(1):1-8.

Chen, L. and Young, M.H. (2006) Green Ampt Infiltration Model for Sloping Surface, Water Resources Research 42(W0742): 9p.

Chow, V.T., Maidment D.R., Mays, L.W., 1988, Applied Hydrology, Singapura; McGraw-Hill International Editions Civil Engineering Series, 572p.

DEMNAS SRTM (2020) Digital Elevation Model (DEM) of Kulon Progo Regency, Yogyakarta Special Province. https://tanahair.indonesia.go.id/demnas/#/, accessed on January 10, 2020. Ferardi, F. D., Wilopo, W., Fathani, T. F. (2018) Rainfall Thresholds for Landslide Prediction in Loano Subdistrict, Purworejo District Central Java Province. Journal of Applied Geology 3(1): 23-31.

Glade, T. (2000) Modelling landslide triggering rainfall thresholds at a range of complexities.- Landslides in Research, Theory, and Practice, Proceedings of the 8th International Symposium on Landslides, 26-30 June 2000, Cardiff, UK, Thomas Telford, 2, 633-640.

Google Earth (2020) Google earth images of Kulon Progo Regency, Yogyakarta Special Province. Accessed on January 15, 2020.

Guzzetti, F., Peruccacci, S., Rossi, M., Stark, C. (2007) Rainfall thresholds for the initiation of landslides in central and southern Europe. Meteorol Atmos Phys 98:239–267.

Japan Aerospace Exploration Agency (JAXA) (2020) JAXA Global Rainfall Watch (GSMaP_NRT), http://sharaku.eorc.jaxa.jp/GSMaP/index_e.htm, Accessed on 25 July 2019.

Karnawati, D. (2005) Bencana Alam Gerakan Massa Tanah di Indonesia dan Upaya Penanggulangannya. Jurusan Teknik Geologi Fakultas Teknik, Universitas Gadjah Mada, Yogyakarta. 232 p.

Kumalawati, R. and Sartohadi, J. (2005) Valuable economic of landslide disaster and erosion to agricultural land in Tinalah Watershed. Master Geography Program, Faculty of Geography, Thesis.

Kulon Progo Local Disaster Management Authority (BPBD Kulon Progo). (2020) Disaster Events Data in Kulon Progo Regency, BPBD Kulon Progo, Kulon Progo.

Lee, S. and Pradhan, B. (2007) Landslide hazard mapping at Selangor, Malaysia using frequency ratio and logistic regression models. Landslides 4:33–41.

Oh H.J, Lee, S., Hong, S.M. (2017) Landslide Susceptibility Assessment Using Frequency Ratio Technique with Iterative Random Sampling, Journal of Sensors Volume 2017, Article ID 3730913, 21 p.



DOI: https://doi.org/10.22146/jag.59185

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