硫氧同位素在识别辛安泉域岩溶水SO<sub>4</sub><sup>2-</sup>来源中的应用

胡晓兵; 方健聪; 翟虎威; 张凯; 马永明; 靳建红; 高旭波

doi:10.19509/j.cnki.dzkq.2022.0166

硫氧同位素在识别辛安泉域岩溶水SO₄^2-来源中的应用

doi: 10.19509/j.cnki.dzkq.2022.0166

1.
山西省煤炭地质一一四勘查院有限公司，山西长治 046000
2.
中国地质大学(武汉)，武汉 430074
3.
长治市辛安泉域管理中心，山西长治 046000

基金项目:

山西省长治市政府资金项目长财采办备案[2020]813号

国家自然科学基金项目 42172288

详细信息

作者简介:
胡晓兵(1981—)，男，高级工程师，主要从事地质勘查工作。E-mail: 85809669@qq.com

通讯作者:
高旭波(1975—)，男，研究员，主要从事岩溶环境水文地球科学与地下水污染防治工作。E-mail: gaoxb@cug.edu.cn

中图分类号: P641.134
计量
- 文章访问数: 552
- PDF下载量: 30
- 被引次数: 0
出版历程
- 收稿日期: 2021-12-10
- 网络出版日期: 2022-11-10

Application of sulfur and oxygen isotopes in identifying the source of sulfate in karst water from Xin′an spring area

1.
Shanxi Province Coal Geology 114 Prospecting Institute, Changzhi Shanxi 046000, China
2.
China University of Geosciences(Wuhan), Wuhan 430074, China
3.
Changzhi Xin′an Spring Management Center, Changzhi Shanxi 046000, China

摘要

摘要:
硫酸盐超标是辛安泉域岩溶水水质恶化的主要现象之一。识别岩溶水中硫酸盐的来源对于全面理解岩溶水水文地球化学过程，合理开发利用和保护岩溶水资源具有重要意义。通过野外水文地质调查、水样采集和水化学同位素测试，采用硫氧双同位素示踪技术，分析识别了辛安泉域岩溶水中硫酸盐的物质来源。研究结果表明，泉域内岩溶水中的硫酸盐主要来源于石膏溶解、地表水渗漏和矿坑水入渗，且以石膏溶解和地表水渗漏混合居多。研究成果为辛安泉域岩溶水资源的保护与合理开发利用提供了重要的环境和水文地质学依据。
- 硫氧同位素 /
- 硫酸盐 /
- 岩溶水 /
- 地下水污染 /
- 辛安泉域
Abstract:
An extremely high sulfate content is one of the main reasons for the deterioration of karst water quality in the Xin′an Spring area. Identifying the source of sulfate is of great significance for fully understanding the hydrogeochemical process in karst water and for the rational development, utilization and protection of karst water resources. In this work, the source of sulfate in karst water from the Xin′an Spring area is identified by sulfur and oxygen isotope. These results show that the sulfate in karst water mainly comes from gypsum dissolution, surface water leakage and pit water infiltration, and gypsum dissolution and mixing with surface water is the majority. This study provides important environmental and hydrogeological information for the protection, rational development and utilization of karst water resources in the study area.
- sulfur and oxygen isotopes /
- sulfate /
- karst water /
- groundwater contamination /
- Xin′an Spring area

HTML全文

图 1 泉域水文地质及采样点分布图

Figure 1. Distribution map of hydrogeology and sampling points in the spring area

下载: 全尺寸图片幻灯片

图 2 泉域岩溶地下水排泄特征剖面图(据文献[18]修改)

Figure 2. Profile of karst groundwater discharge characteristics in the spring area

下载: 全尺寸图片幻灯片

图 3 岩溶水ρ(SO₄^2-)分区图

Figure 3. Sulfate concentrations distribution map of karst water

下载: 全尺寸图片幻灯片

图 4 晋获褶断带东侧岩溶水SO₄^2-来源识别图

a.平顺-壶关子系统; b.黎城子系统与排泄区

Figure 4. Sulfate source identification diagram of karst water in the east of Jinhuo fold fault zone

下载: 全尺寸图片幻灯片

图 5 晋获褶断带西侧岩溶水SO₄^2-来源识别图

a.长治子系统，b.襄垣子系统与缓流区

Figure 5. Sulfate source identification diagram of karst water in the west of Jinhuo fold fault zone

下载: 全尺寸图片幻灯片

表 1 泉域硫酸盐硫氧同位素测试结果

Table 1. Sulfur and oxygen isotope results of sulfate in the spring area

所属区域	采样地点	δ³⁴S/‰	δ¹⁸O_SO₄/‰	ρ(SO₄^2-)/(mg·L^-1)
排泄区(泉)	Y01~Y05	8.45~17.30	6.50~8.60	64.69~119.24
黎城子系统	Y06~Y08	3.66~15.34	4.80~7.10	17.23~34.93
平顺-壶关子系统	Y09~Y16	3.21~21.98	2.80~11.08	45.85~159.4
缓流区	Y17	18.37	10.06	>300
襄垣子系统	Y18~Y23	5.90~29.21	5.70~10.70	81.04~601.3
长治子系统	Y24~Y29	3.70~25.52	3.10~10.80	24.93~329.1
地表水(浊漳河)	H1~H4	1.28~11.77	4.00~10.70	56.72~219.49

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