海南省海岸带典型区域海水入侵现状评价
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摘要
基于海南省东部和南部海岸带地区地下水现场监测数据和室内水化学测定数据,研究了各水化学指标间的相关性,分析了区域海水入侵现状。研究结果表明地下水中Cl~–与Na~+的变异系数较高,与矿化度(TDS)具有强的相关性;以m(Cl~–)(m表示质量浓度)和TDS分别作为评价因子开展了海水入侵现状评价,结果表明研究区域内地下水未受到海水入侵的影响;m(Na~+)/m(Cl~–)、 m(Cl~–)/m(HCO_3~–)、m(Cl~–)/m(SO_4~(2–))、m(Ca~(2+))/m(Na~+)、m(Ca~(2+))/m(Mg~(2+))、钠吸附比(SAR)与m(Cl~–)的相关性分析结果表明m(Na~+)/m(Cl~–)、m(Ca~(2+))/m(Na~+)、m(Ca~(2+))/m(Mg~(2+))以及SAR4个参数可以作为海南省海水入侵判定的评价因子。研究结果对建设海南省"国际旅游岛"战略目标,指导当地合理利用地下水具有参考价值。
Based on the field monitoring and indoor water chemistry measurement data from the coastal areas of eastern and southern Hainan Province, this paper studied the correlation among various water chemistry indexes and analyzed current regional seawater intrusion. The results showed that the variation coefficient of Cl~-and Na~+ in groundwater was high and correlated strongly with total dissolved solids(TDS). The current evaluation of seawater intrusion was conducted using m(Cl~-)(m is mass concentration) and TDS as evaluating factors. Results showed that inland water was unaffected by seawater intrusion. The correlation analysis results of m(Na~+)/m(Cl~-), m(Cl~-)/m(HCO_3~–), m(Cl~-)/m(SO_4~(2–)), m(Ca~(2+))/m(Na+), m(Ca~(2+))/m(Mg~(2+)), sodium adsorption ratio(SAR), and m(Cl~-) showed that the four parameters of m(Na~+)/m(Cl~-), m(Ca~(2+))/m(Na~+), m(Ca~(2+))/m(Mg~(2+)), and SAR could be used to evaluate seawater intrusion in Hainan province. These results have reference value in the strategic goal for construction of a Hainan "international tourism island" and rational utilization of local groundwater.
Based on the field monitoring and indoor water chemistry measurement data from the coastal areas of eastern and southern Hainan Province, this paper studied the correlation among various water chemistry indexes and analyzed current regional seawater intrusion. The results showed that the variation coefficient of Cl~-and Na~+ in groundwater was high and correlated strongly with total dissolved solids(TDS). The current evaluation of seawater intrusion was conducted using m(Cl~-)(m is mass concentration) and TDS as evaluating factors. Results showed that inland water was unaffected by seawater intrusion. The correlation analysis results of m(Na~+)/m(Cl~-), m(Cl~-)/m(HCO_3~–), m(Cl~-)/m(SO_4~(2–)), m(Ca~(2+))/m(Na+), m(Ca~(2+))/m(Mg~(2+)), sodium adsorption ratio(SAR), and m(Cl~-) showed that the four parameters of m(Na~+)/m(Cl~-), m(Ca~(2+))/m(Na~+), m(Ca~(2+))/m(Mg~(2+)), and SAR could be used to evaluate seawater intrusion in Hainan province. These results have reference value in the strategic goal for construction of a Hainan "international tourism island" and rational utilization of local groundwater.
引文
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[13]李福林.莱州湾东岸滨海平原海水入侵的动态监测与数值模拟研究[D].青岛:中国海洋大学, 2005.Li Fulin. Dynamic monitoring and numerical simulation of seawater intrusion in the coastal plain on the east coast of Laizhou Bay[D]. Qingdao:Ocean University of China, 2005.
[14]孙宗勋,陈军,谢强,等.珠江口西岸海水入侵现状调查分析[J].环境科学与技术, 2011, 34(8):81-84.Sun Zongxun, Chen Jun, Xie Qiang, et al. Investigation and analysis of the current situation of seawater intrusion in the west bank of the Pearl River estuary[J]. Environmental Science and Technology, 2011, 34(8):81-84.
[15]高伟,李萍,傅命佐,等.海南省典型海岛地质灾害特征及发展趋势[J].海洋开发与管理, 2014, 31(2):59-65.Gao Wei, Li Ping, Fu Mingzuo, et al. Characteristics and development trend of typical island geological disasters in Hainan province[J]. Marine Development and Management, 2014, 31(2):59-65.
[16] Maeller D. The Na/Cl ratio in rainwater and the seasalt chloride cycle[J].Tellus, 1990, 42(3):254-262.
[2]杜国云.莱州湾东岸动力地貌对陆海相互作用的响应研究[J].海洋科学, 2016, 40(8):70-75.Du Guoyun. Dynamic geomorphological response to land-sea interaction on the eastern coast, Laizhou Bay[J]. Marine Sciences, 2016, 40(8):70-75.
[3]黄洪城,匡翠萍,顾杰,等.河口咸潮入侵研究进展[J].海洋科学, 2014, 38(9):109-115.Huang Hongcheng, Kuang Cuiping, Gu Jie, et al. Research development in estuarine saltwater intrusion[J].Marine Sciences, 2014, 38(9):109-115.
[4] Barlow P M, Reichard E G. Saltwater intrusion in coastal regions of North America[J]. Hydrogeology Journal, 2010, 18(1):247-260.
[5] Werner A D. A review of seawater intrusion and its management in Australia[J]. Hydrogeology Journal,2010, 18(1):281-285.
[6] Moujabber M E, Samra B, Darwish T, et al. Comparison of different indicators for groundwater contamination by seawater intrusion on the Lebanese Coast[J].Water Resources Management, 2006, 20(2):161-180.
[7]刘杜娟.中国沿海地区海水入侵现状与分析[J].地质灾害与环境保护, 2004, 15(1):31-37.Liu Dujuan. Status and analysis of seawater intrusion in China’s coastal areas[J]. Geological Disasters and Environmental Protection, 2004, 15(1):31-37.
[8]苗青.降雨与潮汐作用对莱州湾地区海水入侵的影响机制研究[D].青岛:国家海洋局第一海洋研究所,2013.Miao Qing. Effects of precipitation and tide on seawater intrusion in Laizhou Bay[D]. Qingdao:The First Institute of Oceanography, State Oceanic Administration, 2013.
[9]滕金伯.基于水化学方法的辽东沿海海水入侵时空分布特征评价研究[J].水利规划与设计, 2017, 37(4):52-56.Teng Jinbo. Evaluation study on the spatial and temporal distribution characteristics of coastal seawater intrusion in eastern Liaoning based on hydrochemical methods[J].Water Planning and Design, 2017, 37(4):52-56.
[10]王丹,陶志刚,牵昌存.唐山沿海海水入侵地下水水质评价[J].海洋地质动态, 2006, 22(6):10-14.Wang Dan, Tao Zhigang, Qian Changcun. Evaluation of groundwater quality of coastal seawater intrusion in tangshan[J]. Marine Geological Dynamics, 2006, 22(6):10-14.
[11]刘宏伟,杨君,杜东,等.冀东平原滨海地区浅层地下水水化学与同位素特征分析[J].地质调查与研究,2014, 37(2):108-114.Liu Hongwei, Yang Jun, Du Dong, et al. Analysis of hydrochemistry and isotopic characteristics of shallow groundwater in the coastal area of eastern Hebei plain[J].Geological Survey and Research, 2014, 37(2):108-114.
[12]曹建荣,徐兴永,于洪军,等.黄河三角洲浅层地下水化学特征与演化[J].海洋科学, 2014, 38(12):78-85.Cao Jianrong, Xu Xingyong, Yu Hongjun, et al. Chemical characteristics and evolution of shallow groundwater in the Yellow River delta[J]. Marine Sciences,2014, 38(12):78-85.
[13]李福林.莱州湾东岸滨海平原海水入侵的动态监测与数值模拟研究[D].青岛:中国海洋大学, 2005.Li Fulin. Dynamic monitoring and numerical simulation of seawater intrusion in the coastal plain on the east coast of Laizhou Bay[D]. Qingdao:Ocean University of China, 2005.
[14]孙宗勋,陈军,谢强,等.珠江口西岸海水入侵现状调查分析[J].环境科学与技术, 2011, 34(8):81-84.Sun Zongxun, Chen Jun, Xie Qiang, et al. Investigation and analysis of the current situation of seawater intrusion in the west bank of the Pearl River estuary[J]. Environmental Science and Technology, 2011, 34(8):81-84.
[15]高伟,李萍,傅命佐,等.海南省典型海岛地质灾害特征及发展趋势[J].海洋开发与管理, 2014, 31(2):59-65.Gao Wei, Li Ping, Fu Mingzuo, et al. Characteristics and development trend of typical island geological disasters in Hainan province[J]. Marine Development and Management, 2014, 31(2):59-65.
[16] Maeller D. The Na/Cl ratio in rainwater and the seasalt chloride cycle[J].Tellus, 1990, 42(3):254-262.