辽河三角洲地区地下水动态监测研究
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摘要
辽河三角洲处于陆地和海洋的结合部,蕴含丰富的资源,具有十分重要的战略地位。项目通过三年的时间,查明了辽河三角洲地区主要含水层结构:第四系含水层系统(Q)、明化镇组含水层系统(Nm)、馆陶组含水层系统(Ng)。通过设立动态监测网,建立、完善地下水动态监测体系,实现地下水位和水质的实时监测;地下水水位动态:第四系松散岩类孔隙水较为稳定,水位动态变化不大;上新近系明化镇组和馆陶组地下水,受人类活动影响较大,由于多年连续大量开采,地下水位逐年下降,已形成了2个区域性地下水降落漏斗。地下水水质动态:第四系上更新统(Q3)浅层水Cl-、SO42-、Na+及矿化度持续升高,高矿化度水分布面积扩大,水化学类型复杂化,氯化物型和钠型水分布面积增大,向周边扩散;明化镇组和馆陶组地下水,水质优良,变化不大。针对地下水超采,注重水资源合理配置,适当减少新近系地下水资源的开采,充分利用地表水资源的对策。
Liaohe Delta in the land and sea of the junction,contains rich resources,has a very important strategic position. Using three years,the project identified the main aquifer structures in the Liaohe Delta: the Quaternary aquifer system(Q),the Minghuazhen Formation aquifer system(Nm),and the Guantao Formation aquifer system(Ng). Through the establishment of a dynamic monitoring network,establish and improve the groundwater dynamic monitoring system to achieve real-time monitoring of groundwater level and water quality. Groundwater level dynamics: Quaternary loose rock pore water is relatively stable,water level dynamics are not large. UpperNeogeneMinghua Town The groundwater of the group and Guantao Formation is greatly affected by human activities. Due to continuous large-scale exploitation for many years,the groundwater level has decreased year by year,and two regional groundwater depression have been formed. Groundwater quality dynamics: The Quaternary Uplifting(Q3) shallow water,Cl-,SO42-,Na+and mineralization continued to increase,the high salinity water distribution area expanded,the water chemical type was complicated,and the chloride type and The distribution area of sodium-type water increased and spread to the periphery. The groundwater of Minghuazhen Group and Guantao Formation had excellent water quality and little change. In response to over-exploitation of groundwater,attention should be paid to rational allocation of water resources,appropriate reduction of exploitation of Neogene groundwater resources,and full use of surface water resources.
Liaohe Delta in the land and sea of the junction,contains rich resources,has a very important strategic position. Using three years,the project identified the main aquifer structures in the Liaohe Delta: the Quaternary aquifer system(Q),the Minghuazhen Formation aquifer system(Nm),and the Guantao Formation aquifer system(Ng). Through the establishment of a dynamic monitoring network,establish and improve the groundwater dynamic monitoring system to achieve real-time monitoring of groundwater level and water quality. Groundwater level dynamics: Quaternary loose rock pore water is relatively stable,water level dynamics are not large. UpperNeogeneMinghua Town The groundwater of the group and Guantao Formation is greatly affected by human activities. Due to continuous large-scale exploitation for many years,the groundwater level has decreased year by year,and two regional groundwater depression have been formed. Groundwater quality dynamics: The Quaternary Uplifting(Q3) shallow water,Cl-,SO42-,Na+and mineralization continued to increase,the high salinity water distribution area expanded,the water chemical type was complicated,and the chloride type and The distribution area of sodium-type water increased and spread to the periphery. The groundwater of Minghuazhen Group and Guantao Formation had excellent water quality and little change. In response to over-exploitation of groundwater,attention should be paid to rational allocation of water resources,appropriate reduction of exploitation of Neogene groundwater resources,and full use of surface water resources.
引文
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[15]李少伟.辽河三角洲海岸带环境地质与调查研究[J].海洋地质前言. 2013. 29(9):38-44.
[16]辽河三角洲海岸带综合地质调查与监测(沈阳中心)成果报告[R].沈阳地质调查中心. 2017.
[2]陶梅.盘锦湿地功能开发与合理利用[J].辽宁工程技术大学学报. 2009. 28(S2):84-86.
[3]李琦.盘锦湿地的价值及其开发利用[J].现代农业科技.2010. 21(6):316-318.
[4]巩建伟朱爽.下辽河三角洲第四系咸水资源开发利用模式研究[J].科技创新导报. 2016. 3(a):1-2.
[5]张淑玲.盘锦湿地资源开发利用与保护[J].绿色科技. 2011(4):16-18.
[6]张婷婷.双台子河口生态环境现状遥感调查分析[D].沈阳农业大学. 2007.
[7]孙毅.盘锦双台河口湿地生态评价研究[D].沈阳农业大学. 2011.
[8]裴艳.浅谈辽河三角洲滨海湿地退化与保护建议[J].生态建设. 2013(3):87-88.
[9]刘庆生.辽河三角洲土壤盐渍化现状及特征分析[J].土壤学报. 2004. 41(2):190-195.
[10]李晓红.盘锦湿地主要生态问题分析及保护对策[J].科技信息. 2010. 21(5):367-369.
[11]肖笃宁.辽河三角洲湿地景观的水文调节与防洪功能[J].湿地科学. 2003. 1(1):21-25.
[12]田辉.基于层次分析法的盘锦湿地生态评价[J].地质与资源.2018. 24(5):507-510.
[13]田辉. D-InSAR技术在盘锦地区地面沉降监测中的应用研究[D].长春:吉林大学. 2014.
[14]田辉.辽河三角洲地下潜水现状及变化规律研究[J].地质与资源. 2017. 23(5):507-510.
[15]李少伟.辽河三角洲海岸带环境地质与调查研究[J].海洋地质前言. 2013. 29(9):38-44.
[16]辽河三角洲海岸带综合地质调查与监测(沈阳中心)成果报告[R].沈阳地质调查中心. 2017.