Journal
WATER RESOURCES
Volume 46, Issue 3, Pages 332-343Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0097807819030096
Keywords
mineral water resources; bearing capacity; index system; coupling simulation; driving factor
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Funding
- National Natural Science Foundation of China [41072255, 41807155]
- Natural Science Foundation of Jilin Province [20150101116JC]
- project of Higher Education Discipline Innovation
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In order to maintain the sustainable exploitation of the natural mineral water resources in Changbai Mountain Area with the continuously increasing exploitation intensity, information that is relevant to the exploitation of the mineral water resources from various aspects such as natural, social, ecological and environmental was collected based on the formation condition and mechanism of the regional mineral water resources. Meanwhile, the concept of the mineral water resources bearing capacity was brought up and the index evaluation system which contains the coupling of the information entropy and the grey correlation of the mineral water resources bearing capacity was set up. In this paper, the entropy and multi-objective decision making model were used for the evaluation of the mineral water bearing capacity, and the limited maximum exploitation quantity of the mineral water resources in the study area was determined according to the principle of the maximum entropy under the current and future condition in the region. The results shows that, the system entropy values of the mineral water resources in the study area in 2013, 2015 and 2020 are 7.6346, 7.5664 and 7.4289, respectively, showing a decreasing trend. At the same time, the composite indices of the mineral water resources bearing capacity in 2013, 2015 and 2020 are 0.6277, 0.5295 and 0.4068. The data indicate that with the exploitation of the mineral water resources in recent years, the mineral water resources bearing capacity is decreasing. However, the exploitation quantity of the mineral water resources in the study area can be increased for the time being in order to stimulate the circulation system of the groundwater and the recharge of the mineral water resources. The mineral water resources bearing capacity in each village and town of the study area is within the bearable state and has good exploitation prospects. It is necessary to point out that the exploitation threshold value in the study area is 35 million tons per year in order to realize the sustainable exploitation of the mineral water resources in the study area.
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