Valuation of debris flow mitigation measures in tourist towns: a case study on Hongchun gully in southwest China

Abstract

General rightsThis document is made available in accordance with publisher policies. Please cite only the published version using the reference above. Full terms of use are available: http://www.bristol.ac.uk/pure/about/ebr-terms However, a vast number of these towns are located in the mountain areas, which are constantly threatened by natural hazards such as debris flows. If a huge investment is spent on the hazard control engineering, the value on the engineering project should be estimated properly. However, such valuations at tourist towns are usually very challenging and controversial. In this study, an attempt has been made to evaluate the economic value of the debris flow control engineering in tourist towns by integrating both welfare and disaster economics. The total value of debris flow prevention and control engineering in tourist towns (VDFE) includes investment cost (IC), disaster mitigation benefit (DMB), and loss of brand value (LBV). Here DMB is assessed by the cost-benefit method. The LBV is estimated by incorporating brand equity and cost-benefit methods. The engineering for debris flow control in the Hongchun Gully of southwest China was built to protect Yingxiu tourist town and was assessed as an example. The IC for the engineering is 180 million RMB, however, the VDFE reaches as high as 3,401 million RMB, of which the LBV is 169 million RMB, and the input-output ratio is 1:18. Thus, the LBV cannot be neglected in case of VDFE estimation process. The more developed the tourism in one town or city is, the greater the LBV and the higher the VDFE are.

Mechanisms influencing spatiotemporal differentiation of tourist towns based on geographic detector: A case study of Fujian Province

“…With the development of tourism and the acceleration of urbanization, academic research on tourist towns has become increasingly in-depth and has achieved more systematic research findings. In terms of content, studies have primarily focused on planning and management [12,13], evaluation [14,15], community involvement [16][17][18], ecological environment [19][20][21][22], the coordinated development of urban construction and tourism [1,23], and sex secrecy and risk [24,25]. The few studies of the spatial distribution of tourist towns have primarily explored the characteristics of spatial distribution, influencing factors, and influencing mechanisms.…”

Physically-Based Modelling of co-seismic Landslide, Debris Flow and Flood Cascade

“…Using results of modelling studies, Chen et al (2016) performed a cost-benefit analysis for the mitigation measures to protect the touristic town of Yinxiu, located directly opposite to the outlet of the Hongchun watershed on the other side of the Ming River.…”

Physically based modeling of co-seismic landslide, debris flow, and flood cascade

“…Domenech et al ( 2019) used a multi-event debris flow model including entrainment to study the effect of material depletion on debris flow initiation in the Hongchun watershed. Using results of modeling studies, Chen et al (2016) performed a costbenefit analysis for the mitigation measures to protect the touristic town of Yinxiu, located directly opposite to the outlet of the Hongchun watershed on the other side of the Min River.…”