中国西南季风区不同水体稳定同位素特征分析——以重庆市北碚区为例
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摘要
通过对重庆市北碚区大气降水和马鞍溪上游龙滩子水库水的氢氧同位素进行的一个水文年(2014年)的样品采集监测,研究了降水与水库的水的氢氧同位素之间的变化特征和规律。结果表明:(1)北碚区大气降水线方程为δD=8.82δ~(18)O+18.97,r=0.99,n=101,P<0.01,δD、δ~(18)O相关性极为显著,该区大气降水线斜率和截距大于全球大气降水线和中国大气降水线,表明研究区主要受西南季风和东南季风双重影响所致;(2)大气降水中δD、δ~(18)O具有明显的季节变化,夏半年偏负,冬半年偏正;(3)大气降水中的δD、δ~(18)O与降水量及温度呈现负相关关系,降水量效应显著,并且该效应远远掩盖了温度效应;(4)水库中水的δD、δ~(18)O具有极好的相关性,其δD、δ~(18)O样点落干全球大气降水线和区域大气降水线附近,并且水库中水d的变化趋势与降水d基本一致,表明前者主要补给来源是降水,而水库中水的δD、δ~(18)O和d的变化幅度远远小于降水,表明前者不仅受降水补给,还受土壤水和地下水的补给。
The hydrogen and oxygen isotopes of precipitation water in Beibei District of Chongqing and water in Longtanzi reservoir in upper stream Maanxi were investigated during a hydrologic year(2014),to explore the relationship of SD and δ~(18)O between precipitation and the reservoir water.It was found that the correlation between SD and δ~(18)O in the precipitation is extremely significant,namely,δD=8.82δ~(18)O+18.97,r = 0.99,n= 101,P<0.01.The slope and intercept of local meteoric water line are both greater than the global meteoric water line and China meteoric water line.The result suggested that southwest monsoon and southeast monsoon have alternative influence on local precipitation;(2) Both SD Dand δ~(18)O values in rain water exhibited significant seasonal variations,having lower values in summer and higher ones in winter;(3)The S value and precipitation as well as temperature assumed negative correlation.The precipitation amount effect of the SD and δ~(18)O in the precipitation was very profound,which concealed the temperature effect;(4)The SD and δ~(18)O in reservoir had a great correlation and they fell near the global meteoric water line and local meteoric water line.In addition,the excess deuterium(d) in the reservoir water and in the precipitation showed very similar patterns.The result indicated that the precipitation recharged the reservoir.However,the variety range of the SD and δ~(18)O from reservoir was far less than precipitation.The result suggested that the reservoir was not only recharged by precipitation,but also by soil water and groundwater.
The hydrogen and oxygen isotopes of precipitation water in Beibei District of Chongqing and water in Longtanzi reservoir in upper stream Maanxi were investigated during a hydrologic year(2014),to explore the relationship of SD and δ~(18)O between precipitation and the reservoir water.It was found that the correlation between SD and δ~(18)O in the precipitation is extremely significant,namely,δD=8.82δ~(18)O+18.97,r = 0.99,n= 101,P<0.01.The slope and intercept of local meteoric water line are both greater than the global meteoric water line and China meteoric water line.The result suggested that southwest monsoon and southeast monsoon have alternative influence on local precipitation;(2) Both SD Dand δ~(18)O values in rain water exhibited significant seasonal variations,having lower values in summer and higher ones in winter;(3)The S value and precipitation as well as temperature assumed negative correlation.The precipitation amount effect of the SD and δ~(18)O in the precipitation was very profound,which concealed the temperature effect;(4)The SD and δ~(18)O in reservoir had a great correlation and they fell near the global meteoric water line and local meteoric water line.In addition,the excess deuterium(d) in the reservoir water and in the precipitation showed very similar patterns.The result indicated that the precipitation recharged the reservoir.However,the variety range of the SD and δ~(18)O from reservoir was far less than precipitation.The result suggested that the reservoir was not only recharged by precipitation,but also by soil water and groundwater.
引文
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[34]章新平,关华德,孙治安,等.云南降水中稳定同位素变化的模拟和比较[J].地理科学.2012.32(1):121-128.
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[37]刘忠方,田立德.姚檀栋.等.水汽输送对雅鲁藏布江流域降水中稳定同位素的影响[J].地球科学进展.2007.22(8):842-850.
[38]田立德,姚檀栋.蒲健辰,等.拉萨夏季降水中氧稳定同位素变化特征[J].冰川冻土.1997.19(4):7-13.
[39]王锐.刘文兆.宋献方.长武塬区大气降水中氢氧同位素特征分析[J].水土保持学报,2008,22(3):56-59.
[40]郑永飞.陈江峰.稳定同位素地球化学[M].北京:科学出版社.2000.
[41]Mook W G.Environmental isotopes in the hydrological cycle:principles and applications[C].IAEA Technical Documents in Hydrology.Paris:UNESCO.2001.
[42]田立德,姚檀栋,孙维贞,等.青藏高原南北降水中δD和δ~(18)O关系及水汽循环[J].中国科学(D辑:地球科学).2001.(3):214-220.
[43]章新平.刘晶淼.中尾正义.等.我国西南地区降水中过量氘指示水汽来源[J].冰川冻土.2009.31(4):613-619.
[44]田立德.姚檀拣.沈永平.等.青藏高原那曲河流域降水及河流水体中氧稳定同位素研究[J].水科学进展.2002.13(2):206-210.
[45]Gao J.Tian L D.Liu Y Q.et al.Oxygen isotope variation in the water cycle of the Yamdrok-tso Lake basin in southern Tibetan Plateau[J].Chinese Science Bulletin.2009,54(16):2758-2765.
[2]Dansgaard W.Stable isotopes in precipitation[J].Tellus.1964.16(4):436-468.
[3]Yurteever Y.Gat J R.Stable isotope hydrology:Deuterium and Oxygen-18 in the water cycle[R].Vienna:International Atomic Energy Agency.1981:103-142.
[4]Tian I..Yao T.Macclune K.et al.Stable isotopic variations in West China:A consideration of moisture sources[J].Journal of Geophysical Research.Atomsphcres.2007.112(D10):185-194.
[5]Hoffmann G.Werner M.Hcimann M.Water isotope module of the ECHAM atmospheric general circulation model:A stud yon timescales from days to sevcral ycars[J].Journal of Geophysical Research.1998.103(014):16871-16896.
[6]Jouzel J.Russell G L.Suozzo R J.Simulations of the 8D andδ~(18)O)atmospheric cycles using the NASA-G1SS General Circulation Model-The seasonal cycle for present day conditions[J].Journal of Geophysical Research,1987.92:14739-14760.
[7]Noone D C.Simmonds I.Associations betweenδ~(18)O of water and climate parameters in a simulation of atmospheric circulation for 1979-95[J].Journal of Climate.2002.15:3150-3169.
[8]Yoshimura K,Oki T,Ohte N.et al.A quantitative analysis of short-termδ~(18)O variability with a rayleigh-type isotope circulation model[J].Journal of Geophysical Research Atmospleies,2003.108(D20)4647.doi:10.1029/2003JD003477.
[9]Lisa M B,Frank M D,James U L,et al.An investigation of the controls on Irish precipitationδ~(18)C)values on monthly and event timescales[J].Climate Dynamics,2010,35(6):977-993.
[10]陈中笑,程军,郭品文,等.中国降水稳定同位素的分布特点及其影响因素[J].大气科学学报,2010,33(6):667-679.
[11]柳鉴容,宋献方,袁国富,等.我国南部夏季季风降水水汽来源的稳定同位素证据[J].自然资源学报.2007.22(6):1004-1012.
[12]李广,章新平,吴华武.等.云南大气降水中δ~(18)O与气象要素及水汽来源之间的关系[J].自然资源学报,2014,29(6):1043-1052.
[13]王永森.董四方.陈益钟.基于温度与湿度的大气降水同位素特征影响因素分析[J].中国农村水利水电.2013.6:12-i5.
[14]涂林玲,王华,冯玉梅.桂林地区大气降水的δD和δ~(18)O同位素的研究[J].中国岩溶.2004.23(4):48-53.
[15]李玄.王建力.李俊云.等.重庆芙蓉洞上覆泉水-滴水的氢氧稳定同位素变化研究[J].地下水,2013,35(2):8-12.
[16]蒲俊兵.重庆岩溶地下水氢氧稳定同位素地球化学特征[J].地球学报,2013.34(6):713-722.
[17]李廷勇,李红春,沈川洲,等.2006~2008年重庆大气降水δD和δ~(18)O特征初步分析[J].水科学进展.2010,25(6):757-764.
[18]黄一民.章新平,唐方雨.等.长沙大气降水中稳定同位素变化及过量氘指示水汽来源[J].自然资源学报.2013,28(11):1945-1954.
[19]柳艳菊,丁一汇.赵南.1998年南海季风爆发时期中尺度对流系统的研究:I中尺度对流系统发生发展的大尺度条件[J].气象学报.2005,63(4):49-60.
[20]吴华武.章新平,关华德.等.不同水汽来源对湖南长沙地区降水中δD、δ~(18)O的影响[J].自然资源学报.2012.27(8):1404-1414.
[21]Araguds-Araguds L,Froehlich K.Rozanski K.Stable isotope composition of precipitation over southeast Asia[J].J Geophys Res,1998,103(D22):28721-28742.
[22]Craig H.Isotopic variations in meteoric waters[J].Science-1961,133(3465):1702-1703,doi:10.1126/science.133.3465.1702.
[23]丁悌平.氢氧同位素地球化学[M].北京:地质出版社.1980.
[24]郑淑蕙.侯发高,倪葆龄.我国大气降水的氢氧稳定同位素研究[J].科学通报,1983,13:801-806.
[25]章新平,姚檀栋.我国降水中δ~(18)O的分布特点[J].地理学报,1998,53(4):70-78.
[26]刘进达.赵迎昌,刘恩凯,等.中国大气降水稳定同位素时-空分布规律探讨[J].勘察科学技术.1997.(3):34-39.
[27]武亚遵,万军伟,林云.湖北宜昌西陵峡地区大气降雨氢氧同位素特征分析[J].地质科技情报,2011,30(3):93-97.
[28]卫克勤.林瑞芬.论季风气候对我国雨水同位素组成的影响[J].地球化学,1994.23(1):33-41.
[29]章新平,刘晶淼,姚檀栋,等.中纬度地区混合云中稳定同位素分馏的数学模拟:以乌鲁木齐降水为例[J].气象学报,2003,61(1):95-105.
[30]卫克勤,林瑞芬,王志祥.北京地区降水中的氘、氧-18、氚含量[J].中国科学(B辑化学生物学农学医学地学),1982.(8):754-757.
[31]宋德众.福建海岛气候[M].北京:气象出版社,1996.
[32]蔡明刚,黄奕普、陈敏,等.厦门大气降水的氢氧同位素研究[J].台湾海峡.2000,19(4):446-453.
[33]王海波.李廷勇,袁娜,等.重庆金佛山羊口洞滴水δD和δ(18)O变化特征及其环境意义[J].中国岩溶,2014,33(2):146-155.
[34]章新平,关华德,孙治安,等.云南降水中稳定同位素变化的模拟和比较[J].地理科学.2012.32(1):121-128.
[35]Posmentier E S,Feng X H.Zhao M X.Seasonal variations of precipitationδ~(18)O in eastern Asia[J].Journal of Geophysical Research Aturospheres.2004.109(D23):D23106.
[36]章新平.施雅风,姚檀栋.青藏高原东北部降水中δ~(18)O的变化特征[J].中国科学(B辑化学生命科学地学).1995.(5):540-547.
[37]刘忠方,田立德.姚檀栋.等.水汽输送对雅鲁藏布江流域降水中稳定同位素的影响[J].地球科学进展.2007.22(8):842-850.
[38]田立德,姚檀栋.蒲健辰,等.拉萨夏季降水中氧稳定同位素变化特征[J].冰川冻土.1997.19(4):7-13.
[39]王锐.刘文兆.宋献方.长武塬区大气降水中氢氧同位素特征分析[J].水土保持学报,2008,22(3):56-59.
[40]郑永飞.陈江峰.稳定同位素地球化学[M].北京:科学出版社.2000.
[41]Mook W G.Environmental isotopes in the hydrological cycle:principles and applications[C].IAEA Technical Documents in Hydrology.Paris:UNESCO.2001.
[42]田立德,姚檀栋,孙维贞,等.青藏高原南北降水中δD和δ~(18)O关系及水汽循环[J].中国科学(D辑:地球科学).2001.(3):214-220.
[43]章新平.刘晶淼.中尾正义.等.我国西南地区降水中过量氘指示水汽来源[J].冰川冻土.2009.31(4):613-619.
[44]田立德.姚檀拣.沈永平.等.青藏高原那曲河流域降水及河流水体中氧稳定同位素研究[J].水科学进展.2002.13(2):206-210.
[45]Gao J.Tian L D.Liu Y Q.et al.Oxygen isotope variation in the water cycle of the Yamdrok-tso Lake basin in southern Tibetan Plateau[J].Chinese Science Bulletin.2009,54(16):2758-2765.
目录