Gaet’ale- a reactivated thermal spring and potential tourist hazard in the Asale salt flats, Danakil Depression, Ethiopia
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- 作者：Sharad Master
- 关键词：Thermal spring ; CO2 emissions ; Dead birds ; Tourist hazard mitigation measures
- 刊名：Journal of Applied Volcanology
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：5
- 期：1
- 全文大小：1,796 KB
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1. EGRI, School of Geosciences, University of the Witwatersrand, P. Bag 3, WITS 2050, Johannesburg, South Africa - 刊物主题：Geology; Geophysics/Geodesy; Natural Hazards;
- 出版者：Springer Berlin Heidelberg
- ISSN：2191-5040
文摘
This paper serves to document a thermal spring, called Gaet’ale, that was reactivated in 2005, during the majorseismo-volcanic crisis in the Danakil Depression of the Afar region of northern Ethiopia. Many dead birds surrounding the spring attest to deadly gas emanations (almost certainly CO2) coming from this spring, reminiscent of those from other volcanic lakes, and the Pamukkale springs in Turkey. Gae’tale currently features among the tourist attractions of the Dallol region of the northern Afar, but it may pose a potentially dangerous, and even deadly, hazard for tourists and their guides. Some suggestions are made to help mitigate the risks, and to allow for sustainable geotourism in this environmentally sensitive region. These include ensuring that tour operators in the area are made aware of the hazards, and are communicating these to their tourist clients (who should also be aware of these hazards through websites, tour guidebooks and open-access scientific journals), and avoiding the areas closest to the lake, and periodic testing, with lit flames, for the presence of excess CO2 in the area, with plans for quick and safe evacuation if needed. Guidelines for proper conduct are given for geotourists who are planning to visit the region, to ensure their health and safety in the vicinity of the thermal springs. Keywords Thermal spring CO2 emissions Dead birds Tourist hazard mitigation measures