Title
Landslide hazard assessment and risk reduction in the rural community of Rampac Grande, Cordillera Negra, Peru
Date Issued
2024
Access level
open access
Resource Type
journal article
Publisher(s)
Springer Science and Business Media Deutschland GmbH
Abstract
This article describes the landslide risk assessment of the Rampac Grande rural community in the Peruvian Andes, where an unexpectedly fast-moving landslide claimed fatalities in 2009. The study site represents a socially, culturally, and geologically challenging environment that limits applicable technical solutions for landslide risk reduction and demands a high level of community participation in all risk reduction steps. The performed landslide surface movement monitoring and slope stability calculations showed that the studied slopes are very close to failure. Therefore, the detailed hazard assessment was combined with field investigations of household vulnerabilities to perform a qualitative risk assessment in the zone around the 2009 catastrophic landslide. Results show that the high vulnerability, rather than the very high hazard, is responsible for assigning houses to the high-risk classes and education or improvement of the households’ income is key for further risk reduction. This underlines the importance of vulnerability reduction through the collaboration of the community members with external actors (e.g., Peruvian experts), which was interrupted by the COVID-19 pandemic restrictions. The context of the performed landslide risk assessment provides a summary of the 12-year-long involvement of different actors in the landslide risk reduction effort and the evaluation of the effectiveness of the previously adopted mitigation measures. It suggests that the community perspective on the mitigation measures and its risk perception changes determine the long-term risk reduction outcomes. © 2023, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.
Language
English
OCDE Knowledge area
Ciencias del medio ambiente Geología
Scopus EID
2-s2.0-85180362808
Source
Environmental Earth Sciences
ISSN of the container
18666280
Sponsor(s)
We would like to thank Dr. Mariana Pirone (University of Naples Federico II, Italy) and Dr. Bohuslav Kuřík (Charles University Prague, Czech Republic) for discussions on slope stability and anthropological aspects of the research. We also acknowledge the ongoing support of our research activities by the Czech Embassy in Lima, Peru. The research works were supported by the long-term conceptual development research organization (RVO: 67985891) project and by the Strategic Research Plan of the Czech Geological Survey (DKRV We argue that understanding the motivations and institutional constraints for the expert’s participation in the long-term LRR is crucial for increasing their involvement in such activities. While ongoing attention is paid to exploring community participation in LRR (Raška 2019), only limited attention has been dedicated to the experts. This is despite the fact, that they contribute with key knowledge and technology to successfully reduce landslide risk and at the same time, they are exposed to specific institutional settings and funding schemes, which do not always encourage long-term involvement in LRR. The involvement of the research institutes in the LRR in the Rampac Grande (cf., CUP, CAS, INAIGEM) was made possible by specific institutional settings and external forces. The involved institutions give certain freedom in the allocation of resources (time, financial) according to interests of the individual researchers and motivate them to perform joint research and produce scientific papers (Fig. ). In the case of the Czech institutions, this effort was further supported by voluntary commitment to lower landslide risk within the scope of the Sendai Partnerships initiatives (Vilímek et al. ), while the Peruvian researchers acknowledged their responsibility to the society. Despite the favourable institutional conditions the external financial support was crucial for the participation of the community and implementation of the effective LRR measures (c.f., the 2016–2017 project, Fig. ). We argue that such institutional involvement in the long-term LRR effort (12 years, Fig. ) resembles the “ability to assist principle” (AAP) originally defined as one of the possible principles to bring climatic justice (Huggel et al. ). It suggests that the responsibility for solving the negative impacts of climate change (landslide risk in this case) is more linked to economic, technological and logistic capacities, than e.g., to legal liability. Similarly, in the case of the Rampac Grande, a portion of the responsibility to reduce the long-term negative impacts of the 2009 landslide was assumed by a group of experts who possessed economic, technological, knowledge and logistic capacities to solve the problem, and who closely collaborated with the legal entity responsible for the risk reduction (cf., the Carhuaz Province Municipality, Klimeš et al. ). We assume that the AAP is largely contained in the Sendai Partnerships for landslide disaster risk reduction (Sassa ) and this case illustrates the positive effects of international initiatives on local problem-solving.
Sources of information: Directorio de Producción Científica Instituto Nacional de Investigación en Glaciares y Ecosistemas de Montaña