Research on prediction methods of tsunamis induced by landslides in the Three Gorges Reservoir area of the Yellow River

HU Wei; ZHANG Mao-sheng; ZHU Li-feng; SUN Ping-ping; CHENG Xiu-juan; JIA Jun

Geological Bulletin of China > 2013 > 32(6): 861-867.

HU Wei, ZHANG Mao-sheng, ZHU Li-feng, SUN Ping-ping, CHENG Xiu-juan, JIA Jun. 2013: Research on prediction methods of tsunamis induced by landslides in the Three Gorges Reservoir area of the Yellow River. Geological Bulletin of China, 32(6): 861-867.

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Research on prediction methods of tsunamis induced by landslides in the Three Gorges Reservoir area of the Yellow River

Key Laboratory for Geo-hazards in Loess Area, MLR/Xi'an Center of Geological Survey, CGS, Xi'an 710054, Shaanxi, China

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The risks of tsunamis in the Three Gorges Reservoir area of the Yellow River cannot be overlooked. Empirical equations are efficient evaluation methods which should be considered as a priority. Field survey was carried out on the loess landslide and tsunami which occurred in Jiaojiayatou in the Three Gorges Reservoir area of the Yellow River on February 7th, 2012. Then features of the loess landslide and tsunami were analyzed. Nine classical equations for landslide-triggered tsunamis were adopted to calculate characteristic parameters of the tsunami, including initial surge height and run-up height on the opposite bank. Compared with field survey results, characteristic parameters of the tsunami derived by empirical equations, including ASCE recommended method, method of China Institute of Water Resources and Hydropower Research, Huber and Hager model and Panjiazheng method, are close to those of the real model. The verification coefficients are 2.14, 1.92, 0.6 and 0.66 respectively. After comprehensive comparisons of safety and economical efficiency, Panjiazheng method is recommended to predict similar hazards in the Three Gorges Reservoir area of the Yellow River.
- loess,
- landslide,
- tsunami,
- irrigation,
- Heifangtai

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	JIA Jun, ZHU Li-feng, HU Wei. 2013: The formation mechanism and disaster mode of loess landslides induced by irrigation in Heifangtai, Gansu Province: A case study of the 13th landslide in Jiaojiayatou. Geological Bulletin of China, 32(12): 1968-1975.
	XUE Qiang, ZHANG Mao-sheng, ZHU Li-feng, CHENG Xiu-juan, PEI Ying, BI Jun-bo. 2013: Quantitative deformation analysis of landslides based on multi-period DEM data. Geological Bulletin of China, 32(6): 935-942.
	HU Wei, ZHU Li-feng, SUN Ping-ping, CHENG Xiu-juan, XUE Qiang, JIA Jun. 2013: An analysis of the time-dependent properties of loess in the formation of landslides at Heifangtai area, Yongjing County, Gansu Province. Geological Bulletin of China, 32(6): 910-918.
	DONG Ying, JIA Jun, ZHANG Mao-sheng, SUN Ping-ping, ZHU Li-feng, BI Jun-bo. 2013: An analysis of the inducing effects of irrigation and the responses of loess landslides in Heifangtai area. Geological Bulletin of China, 32(6): 893-898.
	ZHU Li-feng, HU Wei, ZHANG Mao-sheng, TANG Ya-ming, BI Jun-bo, MA Jian-quan. 2013: An analysis of the soil mechanical properties involved in loess landslides in Heifangtai, Gansu Province. Geological Bulletin of China, 32(6): 881-886.
	HU Wei, ZHU Li-feng, ZHANG Mao-sheng, PEI Ying, BI Jun-bo, MA Jian-quan. 2013: The changes of engineering geological properties of loess caused by irrigation. Geological Bulletin of China, 32(6): 875-880.
	DONG Ying, SUN Ping-ping, ZHANG Mao-sheng, CHENG Xiu-juan, BI Jun-bo. 2013: The response of regional groundwater system to irrigation at Heifangtai terrace, Gansu Province. Geological Bulletin of China, 32(6): 868-874.
	ZHANG Mao-sheng, CHENG Xiu-juan, DONG Ying, YU Guo-qiang, ZHU Li-feng, PEI Ying. 2013: The effect of frozen stagnant water and its impact on slope stability: A case study of Heifangtai, Gansu Province. Geological Bulletin of China, 32(6): 852-860.
	ZHU Li-feng, HU Wei, JIA Jun, MA Jian-quan, BI Jun-bo, SUN Qiao-yin. 2013: Development features and mechanical mechanism of irrigation-induced landslides in Heifangtai, Gansu Province. Geological Bulletin of China, 32(6): 840-846.
	ZHANG Mao-sheng. 2013: Formation mechanism as well as prevention and controlling techniques of loess geo-hazards in irrigated areas: A case study of Heifangtai immigration area in the Three Gorges Reservoir of the Yellow River. Geological Bulletin of China, 32(6): 833-839.

Research on prediction methods of tsunamis induced by landslides in the Three Gorges Reservoir area of the Yellow River

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