6 35 dealing with gypsum karst problems hazards environmental issues and planning

Abstract

Gypsum dissolves rapidly underground and at the surface, forming gypsum karst features that include caves, subsidence areas, and sinkholes. Mapping these landforms, understanding the gypsum karst and local hydrogeology, and producing sinkhole susceptibility and hazard maps are crucial for development and public safety. Situations that change the local hydrogeology, such as dams, water abstraction, or injection/drainage, can accelerate dissolution and subsidence processes, increasing the severity of the problems; dams and canals built on gypsum karst can leak or fail catastrophically. Gypsum karst problems can be mitigated by careful surveying and scientific investigation followed by phased preventive planning, ground investigation, and construction incorporating sinkhole-proof designs. Towns and cities, including parts of Paris (France), Dzerzhinksk (Russia), Madrid and Zaragoza (Spain), Birzai (Lithuania), and Ripon and Darlington (UK), are developed on such ground requiring local planning guidelines and special construction methods. Roads, railways, pipelines, and bridges are particularly vulnerable to such subsidence and require special consideration.

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• http://nora.nerc.ac.uk/id/eprint/503453/1/Cooper%20and%20Gutierrez%20final%20compilation%20gypsum%20karst%20problems2.pdf

• https://api.elsevier.com/content/article/PII:B9780123747396001068?httpAccept=text/xml,https://api.elsevier.com/content/article/PII:B9780123747396001068?httpAccept=text/plain,http://dx.doi.org/10.1016/b978-0-12-374739-6.00106-8 under the license https://www.elsevier.com/tdm/userlicense/1.0/

• https://www.sciencedirect.com/science/article/pii/B9780123747396001068,http://www.sciencedirect.com/science/article/pii/B9780123747396001068,https://academic.microsoft.com/#/detail/1519046545