同位素技术在古堆泉岩溶水保护中的应用

张松涛; 谢浩; 梁永平; 唐春雷; 赵春红; 张昊驰

doi:10.19509/j.cnki.dzkq.tb202302400

同位素技术在古堆泉岩溶水保护中的应用

doi: 10.19509/j.cnki.dzkq.tb202302400

1.
山西省水利发展中心，太原 030001
2.
中国地质科学院岩溶地质研究所/自然资源部、广西壮族自治区岩溶动力学重点实验室，广西桂林 541004
3.
天津仁爱学院，天津 301600

基金项目:

国家自然科学基金项目 41672253

中国地质调查局地质调查项目 DD20190334

中国地质科学院岩溶地质研究所基本科研业务费项目 2021006

详细信息

作者简介:
张松涛(1968—)，女，高级工程师，主要从事水文水资源相关技术研究和管理工作。E-mail: szbzst@163.com

通讯作者:
梁永平(1962—)，男，研究员，主要从事北方岩溶水调查研究工作。E-mail: lyp0261@163.com

中图分类号: P642.25
计量
- 文章访问数: 327
- PDF下载量: 32
- 被引次数: 0
出版历程
- 收稿日期: 2022-07-24
- 录用日期: 2022-09-07
- 修回日期: 2022-09-05

Application of isotope technology to protecting karstic water in the Gudui Spring Area

1.
Shanxi Water Conservancy Development Center, Taiyuan 030001, China
2.
Institute of Karst Geology, Chinese Academy of Geological Sciences; Karst Dynamics Laboratory, Ministry of Land and Resources & Guangxi; International Research Center on Karst under the Auspices of UNESCO, Guilin Guangxi 541004, China
3.
Tianjin Ren′ai College, Tianjin 301600, China

摘要

摘要:
岩溶泉水资源是我国北方岩溶区重要的供水水源。查明泉水补给、径流和排泄条件，清晰刻画泉域边界，对合理评估和科学开发岩溶水资源具有重要意义。针对古堆-南梁泉群边界范围不清，补给情况不明的现状，开展了泉域岩溶水文地质条件和岩溶水δD、δ¹⁸O、⁸⁷Sr/⁸⁶Sr分布特征调查分析，采用同位素技术对岩溶水补给径流路径上的水岩相互作用和水力联系进行了系统研究。研究发现，岩溶水中δ¹⁸O数值范围较大，其原因主要是受到了高程效应、热水氧同位素漂移、蒸发浓缩和古封存水混合等作用的影响。岩溶水中δD、δ¹⁸O及⁸⁷Sr/⁸⁶Sr的分布特征，为岩溶地下水水力联系识别提供了有力的佐证：汾阳岭热田成因可能与中生代入侵碳酸盐岩的岩浆岩的水岩作用有关；泉域北部岩溶水开采将袭夺泉域内部岩溶水资源。古堆-南梁泉域岩溶水同位素研究成果可为区域岩溶水资源的管理和保护提供科学依据。
- 古堆泉 /
- 岩溶水系统 /
- 同位素 /
- 岩溶水保护
Abstract: Objective
Karstic spring water is an important source of water supply for the karst areas of northern China. To rationally evaluate and scientifically exploit karstic water resources, it is important to identify the recharge, runoff and discharge conditions of spring water and to clearly depict the boundary of the spring area.
Methods
Targeting the issues of ambiguous border and unknown replenishment situations of the Gudui-Nanliang spring groups, this paper investigated and analysed the karst hydrogeological conditions of the spring area and the distribution characteristics of δD, δ¹⁸O and ⁸⁷Sr/⁸⁶Sr isotopes in the karstic water. The water-rock interactions and the hydraulic connection along the recharge-runoff path of karstic water were systematically examined by using isotope technique.
Results
The results show relatively large range of δ¹⁸O values in the karstic water. This is mainly attributed to the impacts of altitude effect, isotopic shift of oxygen in hot water, evaporation-induced enrichment and mixing of ancient sealed water. The distribution characteristics of δD, δ¹⁸O and ⁸⁷Sr/⁸⁶Sr in the karstic water provide strong evidence for the identification of the hydraulic connection of karstic groundwater. The formation of the Fenyangling geothermal field may be related to the water-rock interactions of the Mesozoic magmatic rocks that invaded the carbonate rocks. Also, the exploitation of karstic water in the north of the spring area will seize the karstic water resources in the spring area.
Conclusion
Overall, the investigation outcomes of karstic water isotopes in the Gudui-Nanliang spring area can provide a scientific basis for the management and protection of regional karstic water resources.
- Gudui Spring /
- karst water system /
- isotope /
- karst water protection
注释:

(所有作者声明不存在利益冲突)

HTML全文

图 1 古堆-南梁泉域岩溶水文地质略图与取样点分布图

a图：1.岩溶裸露区; 2.岩溶覆盖区; 3.岩溶浅埋藏区; 4.岩溶深埋藏区; 5.非碳酸盐岩区; 6.早期泉域边界; 7.新泉域边界(下细为子系统边界); 8.岩溶等水位线(m); 9.岩溶泉; 10.岩溶水流向(左为浅循环，右为深循环); 11.河流; 12.山峰及高程(m); 13.取样点及编号; 14.剖面线; 15.子系统编号; 16.红色、棕色、黄色、粉红色、绿色依次代表岩溶水、碎屑岩裂隙水、松散层孔隙水、火成岩风化裂隙水和地表水样品。b图：Q+N.第四系+新近系; O.奥陶系; ∈.寒武系; Ar.太古界; πδη.中生代侵入岩

Figure 1. Karst hydrogeology sketch and sampling point distribution map of the Gudui-Nanling spring area

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图 2 研究区水样δD与δ¹⁸O关系图

Figure 2. δD and δ¹⁸O relationship of water sample in the study area

下载: 全尺寸图片幻灯片

图 3 2014年和2021年工作区岩溶水样δD与δ¹⁸O关系图

Figure 3. δD and δ¹⁸O relationship of karst water samples in the study area in 2014 and 2021

下载: 全尺寸图片幻灯片

图 4 泉域岩溶水⁸⁷Sr/⁸⁶Sr-ρ(Sr²⁺)关系图

Figure 4. Relationship between⁸⁷Sr/⁸⁶Sr and Sr²⁺ of water samples in the spring area

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表 1 δD计算的水样补给高程及其盈余值d

Table 1. δD calculated water sample recharge elevation and its surplus value d

类型	编号	补给高程/m	d/‰	类型	编号	补给高程/m	d/‰	类型	编号	补给高程/m	d/‰
岩溶水	GD05	1 410.3	3.80	岩溶水	GD03	1 500.0	4.98	岩溶水	GD61	1 448.7	9.30
	GD16	1 670.9	6.42		GD15	1 427.4	4.12		GD22	1 948.7	7.60
	GD23	1 602.6	7.46		GD17	1 585.5	5.30		GD55	1 418.8	4.72
	GD24	1 555.6	6.88		GD20	1 307.7	3.96		岩溶水平均	1 573.2	7.09
	GD27	1 594.0	7.74		GD51	1 491.5	5.10	地表水	GDCL04	1 299.1	10.08
	GD28	1 547.0	5.96		GD08	1 538.5	5.92		GDCL01	1 290.6	7.88
	GD31	1 846.2	6.64		GD09	1 611.1	6.78		GD47	1 064.1	2.54
	GD32	1 756.4	7.54		GD11	1 517.1	7.06		地表水平均	1 217.9	6.83
	GD33	1 636.8	7.62		GD12	1 581.2	9.08	其他类型地下水	GD62	1 555.6	7.76
	GD34	1 619.7	8.34		GD13	1 594.0	10.78		GD29	1 346.2	4.02
	GD35	1 636.8	8.50		GD19	1 482.9	9.70		GD54	1 568.4	5.14
	GD36	1 675.2	7.92		GD50	1 222.2	11.00		GD58	1 119.7	8.52
	GD37	1 525.6	8.22		GD57	1 517.1	8.26		GD41	1 380.3	6.90
	GD39	1 619.7	8.18		GD04	1 944.4	4.26		GD42	1 448.7	4.90
	GD43	1 008.5	1.68		GD21	1 987.2	7.98		其他平均	1 403.1	6.21
	GD46	1 542.7	7.50		GD60	1 794.9	6.80
	GD56	1 688.0	6.74
注：深蓝色为子系统①岩溶水(塔尔山-九原山古堆泉岩溶水子系统); 黄色为子系统②岩溶水(佛岭山-高显海头泉岩溶水子系统); 浅蓝色为子系统③岩溶水(中条山南梁泉岩溶水子系统); 粉色为子系统④岩溶水(侯马盆地深循环岩溶水子系统)

下载: 导出CSV

表 2 各样品⁸⁷Sr/⁸⁶Sr与ρ(Sr²⁺)汇总

Table 2. Summary of⁸⁷Sr/⁸⁶Sr and Sr²⁺ values of each sample

类型	编号	⁸⁷^Sr/86Sr(2σ)	ρ(Sr²⁺)/(mg·L^-1)	类型	编号	⁸⁷Sr/⁸⁶Sr(2σ)	ρ(Sr²⁺)/(mg·L^-1)	类型	编号	⁸⁷Sr/⁸⁶Sr(2σ)	ρ(Sr²⁺)/(mg·L^-1)
岩溶水	GD05	0.71143	0.42	岩溶水	GD03	0.71124	0.98	岩溶水	GD60	0.71070	2.01
	GD23	0.71200	1.43		GD15	0.71128	3.87		GD22	0.71031	7.90
	GD24	0.71190	1.35		GD17	0.71084	1.34		GD55	0.71118	0.33
	GD27	0.71158	1.44		GD20	0.71126	1.31		GD61	0.71165	0.27
	GD31	0.71729	4.30		GD51	0.71100	1.00		岩溶水平均	0.71209	1.602
	GD32	0.71344	2.31		GD08	0.71046	0.93	地表水	GDCL04	0.71374	0.89
	GD33	0.71495	2.34		GD09	0.71013	1.62		GD47	0.71142	0.92
	GD34	0.71420	2.12		GD11	0.71023	1.05		地表水平均	0.71258	0.91
	GD35	0.71466	2.34		GD12	0.71104	0.27	其他类型地下水	GD29	0.711564	0.98
	GD36	0.71346	1.28		GD13	0.71108	0.17		GD54	0.713887	0.64
	GD37	0.71373	1.74		GD19	0.71162	0.25		GD58	0.712201	0.41
	GD39	0.71392	2.02		GD50	0.71276	0.19		GD41	0.71093	0.38
	GD43	0.71325	1.44		GD57	0.71035	1.02		GD42	0.712409	0.39
	GD46	0.71162	0.91		GD04	0.70877	0.78		其他平均	0.7122	0.56
	GD56	0.71026	1.06		GD21	0.71473	2.72		总平均	0.71211	0.709
注：深蓝色为子系统①岩溶水(塔尔山-九原山古堆泉岩溶水子系统); 黄色为子系统②岩溶水(佛岭山-高显海头泉岩溶水子系统); 浅蓝色为子系统③岩溶水(中条山南梁泉岩溶水子系统); 粉色为子系统④岩溶水(侯马盆地深循环岩溶水子系统)

下载: 导出CSV

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