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Global distribution of carbonate rocks and karst water resources

Hydrogeology journal, 2020-08, Vol.28 (5), p.1661-1677 [Peer Reviewed Journal]

The Author(s) 2020 ;The Author(s) 2020. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1431-2174 ;EISSN: 1435-0157 ;DOI: 10.1007/s10040-020-02139-5

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Title:
Global distribution of carbonate rocks and karst water resources
Author: Goldscheider, Nico ; Chen, Zhao ; Auler, Augusto S. ; Bakalowicz, Michel ; Broda, Stefan ; Drew, David ; Hartmann, Jens ; Jiang, Guanghui ; Moosdorf, Nils ; Stevanovic, Zoran ; Veni, George
Subjects: Aquatic Pollution ; Aquifers ; Arid climates ; Aridity ; Biodiversity ; Carbonate rocks ; Carbonates ; Climate ; Climatic zones ; Coastal zone ; Cultural resources ; Earth and Environmental Science ; Earth Sciences ; Evaporites ; Freshwater ; Geographical distribution ; Geology ; Geophysics/Geodesy ; Hydrogeology ; Hydrology/Water Resources ; Inland water environment ; Karst ; Mountains ; Natural resources ; Polar climates ; Temperate climates ; Tropical climate ; Tropical climates ; Waste Water Technology ; Water Management ; Water Pollution Control ; Water Quality/Water Pollution ; Water resources
Is Part Of: Hydrogeology journal, 2020-08, Vol.28 (5), p.1661-1677
Description: Karst regions offer a variety of natural resources such as freshwater and biodiversity, and many cultural resources. The World Karst Aquifer Map (WOKAM) is the first detailed and complete global geodatabase concerning the distribution of karstifiable rocks (carbonates and evaporites) representing potential karst aquifers. This study presents a statistical evaluation of WOKAM, focusing entirely on karst in carbonate rocks and addressing four main aspects: (1) global occurrence and geographic distribution of karst; (2) karst in various topographic settings and coastal areas; (3) karst in different climatic zones; and (4) populations living on karst. According to the analysis, 15.2% of the global ice-free continental surface is characterized by the presence of karstifiable carbonate rock. The largest percentage is in Europe (21.8%); the largest absolute area occurs in Asia (8.35 million km 2 ). Globally, 31.1% of all surface exposures of carbonate rocks occur in plains, 28.1% in hills and 40.8% in mountains, and 151,400 km or 15.7% of marine coastlines are characterized by carbonate rocks. About 34.2% of all carbonate rocks occur in arid climates, followed by 28.2% in cold and 15.9% in temperate climates, whereas only 13.1 and 8.6% occur in tropical and polar climates, respectively. Globally, 1.18 billion people (16.5% of the global population) live on karst. The highest absolute number occurs in Asia (661.7 million), whereas the highest percentages are in Europe (25.3%) and North America (23.5%). These results demonstrate the global importance of karst and serve as a basis for further research and international water management strategies.
Publisher: Berlin/Heidelberg: Springer Berlin Heidelberg
Language: English
Identifier: ISSN: 1431-2174
EISSN: 1435-0157
DOI: 10.1007/s10040-020-02139-5
Source: SpringerOpen website
ProQuest Central

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Global distribution of carbonate rocks and karst water resources

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