重庆岩溶地下水氢氧稳定同位素地球化学特征

被引：55

作者：

蒲俊兵 ^{[1
,2
]}

机构：

[1] 中国地质科学院岩溶地质研究所,国土资源部/广西岩溶动力学重点实验室

[2] 联合国教科文组织国际岩溶研究中心

来源：

地球学报 | 2013年 / 34卷 / 06期

关键词：

岩溶地下河; 地下水; 稳定同位素; 重庆;

D O I：

暂无

中图分类号：

P641.134 [岩溶水];

学科分类号：

070907 [水文地质学];

摘要：

重庆地区分布有380条岩溶地下河,是重庆市重要的水资源。为掌握岩溶地下河水稳定同位素地球化学特征及其环境意义,研究了重庆市不同地区51条地下河水体的稳定同位素地球化学特征。研究表明,重庆市岩溶地下河旱、雨季δ18O、δD值均沿大气降水线分布,表明地下河水均起源于大气降水。受雨季降水云团运动规律(环流效应)和区域地形的影响,地下河水δ18O、δD值雨季表现出渝东北地区(渝西地区,渝东地区)<渝东南地区的明显区域分布规律"(<"表示偏负于),旱季由于地下河水在含水层中运动较慢,δ18O、δD值的区域性规律不明显,且由于具有较雨季长的滞留时间,导致其d-excess值明显小于雨季。利用岩溶地下水δ18O值和区域高程建立了二者之间的二元回归模型,揭示了重庆岩溶地下河水旱季δ18O值随高度的变化率为–0.34‰/100 m,雨季为–0.31‰/100 m,这对于区域水循环研究具有重要意义。

引用

页码：713 / 722

页数：10

共 35 条

[1]

Hydrogeochemical characterization and isotope investigations of a carbonate aquifer of the northern part of the United Arab Emirates.[J].Ahmed A. Murad;Hassan Garamoon;Saber Hussein;Hind S. Al-Nuaimi.Journal of Asian Earth Sciences.2010, 1

[2]

Modelling the δ 18 O value of cave drip water and speleothem calcite.[J].A. Wackerbarth;D. Scholz;J. Fohlmeister;A. Mangini.Earth and Planetary Science Letters.2010, 3

[3]

Hydrological uncertainties in the modelling of cave drip-water δ 18 O and the implications for stalagmite palaeoclimate reconstructions.[J].Chris Bradley;Andy Baker;Catherine N. Jex;Melanie J. Leng.Quaternary Science Reviews.2010, 17

[4]

Spatial distribution of the isotopic composition of precipitation and spring water in Greece.[J].Elissavet Dotsika;Spyridon Lykoudis;Dimitrios Poutoukis.Global and Planetary Change.2009, 3

[5]

Mixing and transport of water in a karst catchment: a case study from precipitation via seepage to the spring.[J].Schwarz K.;Barth J. A. C.;Postigo-Rebollo C.;Grathwohl P..Hydrology and Earth System Sciences.2009, 100

[6]

The use of environmental isotopic and hydrochemical tracers to characterize the functioning of karst systems in the Tlemcen Mountains, northwest Algeria [J].

Azzaz, H. ;

Cherchali, M. ;

Meddi, M. ;

Houha, B. ;

Puig, J. M. ;

Achachi, A. .

HYDROGEOLOGY JOURNAL, 2008, 16 (03) :531-546

[7]

Stable isotopic compositions of waters in the karst environments of China: Climatic implications [J].

Li, Hong-Chun ;

Ku, Teh-Lung ;

Yuan, Dao-Xian ;

Wan, Nai-Jung ;

Ma, Zhi-Bang ;

Zhang, Ping-Zhong ;

Bar-Matthews, Miryam ;

Ayalon, Avner ;

Liu, Zai-Hua ;

Zhang, Mei-Liang ;

Zhu, Zhao-Yu ;

Wang, Ruo-Mei .

APPLIED GEOCHEMISTRY, 2007, 22 (08) :1748-1763

[8]

Major ions in typical subterranean rivers and their anthropogenic impacts in southwest karst areas, China [J].

Guo, Fang ;

Jiang, Guanghui ;

Yuan, Daoxian .

ENVIRONMENTAL GEOLOGY, 2007, 53 (03) :533-541

[9]

Stable isotope study of cave percolation waters in subtropical Brazil: Implications for paleoclimate inferences from speleothems.[J].Francisco W. Cruz;Ivo Karmann;Oduvaldo Viana;Stephen J. Burns;José A. Ferrari;Mathias Vuille;Alcides N. Sial;Marcelo Z. Moreira.Chemical Geology.2005, 3

[10]

Isotopic and geochemical evolution of ground and surface waters in a karst dominated geological setting: a case study from Belize; Central America.[J].A.M. Marfia;R.V. Krishnamurthy;E.A. Atekwana;W.F. Panton.Applied Geochemistry.2003, 6

← 1 2 3 4 →