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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1111/gwat.13363
|2 doi
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|a pubmed25n1208.xml
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|a eng
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| 100 |
1 |
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|a Zhao, Chongqin
|e verfasserin
|4 aut
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| 245 |
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|a Use of Hydrogeochemistry and Isotopes for Evaluation of Groundwater in Qilian Coal Base of China
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 30.04.2024
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|a Date Revised 03.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 National Ground Water Association.
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|a The Jiangcang Basin is an important mining area of the former Qilian Mountain large coal base in Qinghai Province, and understanding the groundwater circulation mechanism is the basis for studying the hydrological effects of permafrost degradation in alpine regions. In this study, hydrogeochemical and multiple isotope tracer analysis methods are used to understand the chemical evolution and circulation mechanisms of the groundwater in the typical alpine region of the Jiangcang Basin. The diversity of the groundwater hydrochemistry in the study area reflects the complexity of the hydrogeochemical environment in which it is located. The suprapermafrost water and intrapermafrost water are recharged by modern meteoric water. The groundwater is closely hydraulically connected to the surface water with weak evaporation overall. The high δ34S value of deep groundwater is due to SO4 reduction, and SO4 2--rich snow recharge with lixiviated sulfate minerals are the main controlling factor for the high SO4 2- concentration in groundwater. According to the multivariate water conversion relationships, it reveals that the river receives more groundwater recharge, suprapermafrost water is recharged by the proportion of meteoric water, which is closely related to the mountainous area at the edge of the basin, while intrapermafrost water is mainly recharged by the shallow groundwater. This study provides a data-driven approach to understanding groundwater recharge and evolution in alpine regions, in addition to having significant implications for water resource management and ecological environmental protection in coal bases of the Tibetan Plateau
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Coal
|2 NLM
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|a Isotopes
|2 NLM
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|a Sulfur Isotopes
|2 NLM
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| 700 |
1 |
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|a Li, Xiangquan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Zhenxing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hou, Xinwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Jianfei
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Ground water
|d 1979
|g 62(2024), 3 vom: 01. Mai, Seite 427-438
|w (DE-627)NLM098182528
|x 1745-6584
|7 nnas
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| 773 |
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|g volume:62
|g year:2024
|g number:3
|g day:01
|g month:05
|g pages:427-438
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|u http://dx.doi.org/10.1111/gwat.13363
|3 Volltext
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