高分辨率降水氧氘同位素变化及洞穴水响应:以河南鸡冠洞为例 High-resolution Variations of Oxygen and Hydrogen Isotopes of Precipitation and Feedback from Cave Water: An Example of Jiguan Cave, Henan期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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高分辨率降水氧氘同位素变化及洞穴水响应:以河南鸡冠洞为例

引用本文：	孙喆,杨琰,张萍,刘肖,梁沙,张娜,聂旭东,梁胜利,李建仓,凌新有,张志钦.高分辨率降水氧氘同位素变化及洞穴水响应:以河南鸡冠洞为例[J].环境科学,2016,37(6):2093-2100.

作者姓名：	孙喆杨琰张萍刘肖梁沙张娜聂旭东梁胜利李建仓凌新有张志钦

作者单位：	西南大学地理科学学院, 三峡库区生态环境教育部重点实验室, 重庆 400715;国土资源部岩溶生态环境-重庆南川野外基地, 重庆 408435;西南大学地球化学与同位素实验室, 重庆 400715,西南大学地理科学学院, 三峡库区生态环境教育部重点实验室, 重庆 400715;国土资源部岩溶生态环境-重庆南川野外基地, 重庆 408435;西南大学地球化学与同位素实验室, 重庆 400715,西南大学地理科学学院, 三峡库区生态环境教育部重点实验室, 重庆 400715;国土资源部岩溶生态环境-重庆南川野外基地, 重庆 408435;西南大学地球化学与同位素实验室, 重庆 400715,西南大学地理科学学院, 三峡库区生态环境教育部重点实验室, 重庆 400715;国土资源部岩溶生态环境-重庆南川野外基地, 重庆 408435;西南大学地球化学与同位素实验室, 重庆 400715,西南大学地理科学学院, 三峡库区生态环境教育部重点实验室, 重庆 400715;国土资源部岩溶生态环境-重庆南川野外基地, 重庆 408435;西南大学地球化学与同位素实验室, 重庆 400715,西南大学地理科学学院, 三峡库区生态环境教育部重点实验室, 重庆 400715;国土资源部岩溶生态环境-重庆南川野外基地, 重庆 408435;西南大学地球化学与同位素实验室, 重庆 400715,西南大学地理科学学院, 三峡库区生态环境教育部重点实验室, 重庆 400715;国土资源部岩溶生态环境-重庆南川野外基地, 重庆 408435;西南大学地球化学与同位素实验室, 重庆 400715,河南省栾川县气象局, 栾川 471500,鸡冠洞风景名胜区管理处, 栾川 471500,鸡冠洞风景名胜区管理处, 栾川 471500,鸡冠洞风景名胜区管理处, 栾川 471500

基金项目：	国家自然科学基金项目(41372177,40902053);高等学校博士学科点专项科研基金项目(20090182120005);中央高校基本科研业务费专项(XDJK2011B004)

摘要：	大气降水稳定同位素受温度、雨量、海拔高程、水汽源等多种因素控制,进而影响洞穴水及沉积物的同位素变化.为了更好地认识我国南北交汇带季风敏感区洞穴水对降水的响应过程,本研究分析了2015年8月4~6日河南栾川县鸡冠洞强降雨和洞内4处地下水点样品,并结合2009~2015年栾川地区近6年大气降水氧氘同位素数据研究发现:1采用HYSPLIT模型可以将鸡冠洞强降雨划分为不同水汽来源的2个阶段:高空来自南中国海的水汽以及近地面来自内陆局地蒸发的水汽,并且可以记录在单场降雨期间雨水的δ~(18)O变化特征上.2近地面来自内陆局地蒸发水汽的蒸发过程一定程度上掩盖了温度效应,并使局地大气降水线的斜率、截距和雨水过量氘均减小.3此次降雨期间鸡冠洞洞穴滴水δ~(18)O特征主要响应夏季风海源水汽的降水;鸡冠洞洞穴滴水对降雨响应最快,间隔时间约为3 h,滴水δ~(18)O随滴率升高变重,之后缓慢变轻;地下河具有相似的模式,稍有滞后;靠近洞口的池水反映出不同阶段的雨水δ~(18)O变化的差异.
关键词：	大气降水洞穴水水汽来源 δ¹⁸O δD 蒸发河南鸡冠洞
收稿时间：	2015/11/13 0:00:00
修稿时间：	1/5/2016 12:00:00 AM
High-resolution Variations of Oxygen and Hydrogen Isotopes of Precipitation and Feedback from Cave Water: An Example of Jiguan Cave, Henan

SUN Zhe,YANG Yan,ZHANG Ping,LIU Xiao,LIANG Sh,ZHANG N,NIE Xu-dong,LIANG Sheng-li,LI Jian-cang,LING Xin-you and ZHANG Zhi-qin.High-resolution Variations of Oxygen and Hydrogen Isotopes of Precipitation and Feedback from Cave Water: An Example of Jiguan Cave, Henan[J].Chinese Journal of Environmental Science,2016,37(6):2093-2100.

Authors:	SUN Zhe YANG Yan ZHANG Ping LIU Xiao LIANG Sh ZHANG N NIE Xu-dong LIANG Sheng-li LI Jian-cang LING Xin-you and ZHANG Zhi-qin

Institution:	Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, School of Geographical Sciences, Southwest University, Chongqing 400715, China;Field Scientific Observation & Research Base of Karst Eco-environments at Nanchuan in Chongqing, Ministry of Land and Resources, Chongqing 408435, China;Laboratory of Geochemistry and Isotope, Southwest University, Chongqing 400715, China,Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, School of Geographical Sciences, Southwest University, Chongqing 400715, China;Field Scientific Observation & Research Base of Karst Eco-environments at Nanchuan in Chongqing, Ministry of Land and Resources, Chongqing 408435, China;Laboratory of Geochemistry and Isotope, Southwest University, Chongqing 400715, China,Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, School of Geographical Sciences, Southwest University, Chongqing 400715, China;Field Scientific Observation & Research Base of Karst Eco-environments at Nanchuan in Chongqing, Ministry of Land and Resources, Chongqing 408435, China;Laboratory of Geochemistry and Isotope, Southwest University, Chongqing 400715, China,Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, School of Geographical Sciences, Southwest University, Chongqing 400715, China;Field Scientific Observation & Research Base of Karst Eco-environments at Nanchuan in Chongqing, Ministry of Land and Resources, Chongqing 408435, China;Laboratory of Geochemistry and Isotope, Southwest University, Chongqing 400715, China,Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, School of Geographical Sciences, Southwest University, Chongqing 400715, China;Field Scientific Observation & Research Base of Karst Eco-environments at Nanchuan in Chongqing, Ministry of Land and Resources, Chongqing 408435, China;Laboratory of Geochemistry and Isotope, Southwest University, Chongqing 400715, China,Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, School of Geographical Sciences, Southwest University, Chongqing 400715, China;Field Scientific Observation & Research Base of Karst Eco-environments at Nanchuan in Chongqing, Ministry of Land and Resources, Chongqing 408435, China;Laboratory of Geochemistry and Isotope, Southwest University, Chongqing 400715, China,Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, School of Geographical Sciences, Southwest University, Chongqing 400715, China;Field Scientific Observation & Research Base of Karst Eco-environments at Nanchuan in Chongqing, Ministry of Land and Resources, Chongqing 408435, China;Laboratory of Geochemistry and Isotope, Southwest University, Chongqing 400715, China,Luanchuan Meteorological Bureau, Luanchuan 471500, China,Administrative Office of Jiguan Cave Scenic Spot, Luanchuan 471500, China,Administrative Office of Jiguan Cave Scenic Spot, Luanchuan 471500, China and Administrative Office of Jiguan Cave Scenic Spot, Luanchuan 471500, China

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