第二松花江干流傍河开采潜力评价
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摘要
在第二松花江傍河开采适宜性评价的基础上,根据研究区的地质和水文地质条件,建立了水文地质概念模型及相应的数学模型,建立了基于Visual MODFlow的地下水流数值模型;以地下水水位降深不大于含水砂层厚度的1/3为准则,通过使预测流场与允许降深条件下的流场尽量接近,给出了第二松花江干流傍河开采条件下的地下水允许开采量。结果表明:现状年条件下区域地下水资源开采强度较小,而傍河开采条件下各适宜区地下水开采潜力巨大,在多年平均降水保证率条件下,地下水允许开采量可达140×10~4m~3/d;适度规模傍河开采可引起地表水与地下水转化关系的变化,但不会对河流生态功能产生不利影响。
Based on the evaluation of the suitability for river bank infiltration along the Second Songhuajiang River and the basic geologic and hydrogeological conditions of the study area,the hydrogeological conceptual model and the corresponding mathematical model are established,and the numerical model of groundwater flow based on Visual MODFLOW is formulated.The drawdown of groundwater level of 1/3 of less than the aquifer thickness is taken as the criterion.By making the predicted groundwater flow field as close as possible to the flow field under the conditions of the permissible drawdown,the allowable exploitation quantity of groundwater under the condition of RBF along the Second Songhua River is obtained.The results show that under the conditions of the current year,the exploitation intensity of groundwater resources is small.However,under the condition of exploitation near the river,the groundwater exploitation potential of each suitable area is as high as 140 × 104m3/d,and the allowable exploitation of groundwater is large under the annual precipitation frequency.The interaction of groundwater-surface water will be influenced,but there will be no side effects on the ecological function of the river.
Based on the evaluation of the suitability for river bank infiltration along the Second Songhuajiang River and the basic geologic and hydrogeological conditions of the study area,the hydrogeological conceptual model and the corresponding mathematical model are established,and the numerical model of groundwater flow based on Visual MODFLOW is formulated.The drawdown of groundwater level of 1/3 of less than the aquifer thickness is taken as the criterion.By making the predicted groundwater flow field as close as possible to the flow field under the conditions of the permissible drawdown,the allowable exploitation quantity of groundwater under the condition of RBF along the Second Songhua River is obtained.The results show that under the conditions of the current year,the exploitation intensity of groundwater resources is small.However,under the condition of exploitation near the river,the groundwater exploitation potential of each suitable area is as high as 140 × 104m3/d,and the allowable exploitation of groundwater is large under the annual precipitation frequency.The interaction of groundwater-surface water will be influenced,but there will be no side effects on the ecological function of the river.
引文
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[17]杨涛,李怀恩,张亚平,等.渭河宝鸡市区段河道生态基流量初步研究[J].水资源与水工程学报,2007,18(5):17-22.[YANG T,LI H E,ZHANG YP,et al.A preliminary study on the ecological basic flow in the urban section of Baoji,Weihe[J].Journal of Water Resources and Water Engineering,2007,18(5):17-22.(in Chinese)]
[18]王喜华.三江平原地下水-地表水联合模拟与调控研究[D].长春:中国科学院研究生院东北地理与农业生态研究所,2015.[WANG X H.Study on joint simulation and regulation of groundwater and surface water in Sanjiang plain[D].Changchun:Graduate University of Chinese Academy of Sciences(Northeast Institute of geography and agricultural ecology),2015.(in Chinese)]
[2]HISCOCK K,GRISCHEK T.Attenuation of groundwater pollution by bank filtration[J].Journal of Hydrology,2002,266(3):139-144.
[3]SCHUBERT J J M C.Hydraulic aspects of riverbank filtration-field studies[J].Journal of Hydrology,2002,266(3),145-161.
[4]OJHA C S P.Simulating turbidity removal at a river bank filtration site in India using SCS-CN approach[J].Journal of Hydrologic Engineering,2012,17(11):1240-1244.
[5]SANDHU C,GRISCHEK T,KUMAR P,et al.Potential for riverbank filtration in India[J].Clean Technologies and Environmental Policy,2010,13(2):295-316.
[6]GHODEIF K,GRISCHEK T,BARTAK R,et al.Potential of river bank filtration(RBF)in Egypt[J].Environmental Earth Sciences,2016,75(8):671.
[7]RAY C.Worldwide potential of riverbank filtration[J].Clean Technologies and Environmental Policy,2008,10(3):223-225.
[8]HU B,TENG Y,ZHAI Y,et al.Riverbank filtration in China:A review and perspective[J].Journal of Hydrology,2016,541:914-927.
[9]王开章,孔凡亮.地下水水源地污染分析及可持续利用对策[J].山东农业大学学报(自然科学版),2002,33(4):464-470.[WANG K Z,KONGF L.Analysis of groundwater pollution and its sustainable strategy.[J].Shandong Agric University(Nat Sci),2002,33(4):464-470.(in Chinese)]
[10]曹剑峰,冶雪艳,姜纪沂,等.黄河下游悬河段地下水资源计算及开发潜力分析[J].资源科学,2004(2):9-16.[CAO J F,YE X Y,JIANG J X,et al.Calculation and exploitation potential analysis of groundwater resources in the lower reaches of the Yellow River[J].Resources Science,2004(2):9-16.(in Chinese)]
[11]廖资生,林学钰,石钦周,等.黄河下游傍河开采地下水的试验研究---以郑州北郊黄河滩地为例[J].中国科学(E辑):技术科学,2004(增1):13-22.[LIAO Z S,LIN X Y,SHI Q Z,et al.Experimental research on groundwater exploitation in the vicinity of the Yellow River:A case study of the Yellow River beach in the northern suburbs of Zhengzhou[J].Science in China Series E:Technical Science,2004(Sup1):13-22.(in Chinese)]
[12]王丽雪.第二松花江流域(丰满以下)傍河取水对区域水资源的影响分析[D].长春:吉林大学,2017.[WANG L X.Analysis on the impact of water abstraction from the riverside in the second Songhua River Basin(below Fengman River)on regional water resources[D].Changchun:Jilin University,2017.(in Chinese)]
[13]WANG L X,YE X Y,DU X Q.Suitability evaluation of river bank filtration along the Second Songhua River,China[J].Water,2016,8(5):176.
[14]魏忠成,杜新强,侯嘉维,等.大区域地下水流数值模型的多指标校正方法---以那陵格勒河冲洪积扇地下水数值模型为例[J].水利水电技术,2017,48(12):7-13.[WEI Z C,DU X Q,HOU J W,et al.A multi-indexes calibration method for numerical model of large regional groundwater flow-a case of numerical model of groundwater flow in Nalinggele River Alluvial-proluvial Fan[J].Water Resources and Hydropower Engineering,2017,48(12):7-13.(in Chinese)]
[15]刘玉珠,高生,王志超,等.关于抽水试验最大降深问题的探讨[J].内蒙古水利,2011(1):26.[LIU YZ,GAO S,WANG Z C,et al.Discussion on the problem of maximum depth reduction in pumping test[J].Inner Mongolia Water Conservancy,2011(1):126.(in Chinese)]
[16]郭学茹,左锐,王金生,等.傍河水源地地下水可持续开采量确定与开采方案分析[J].北京师范大学学报(自然科学版),2013,49(2/3):250-255.[GUO X R,ZUO R,WANG J S,et al.Determination of sustainable exploitation of groundwater and analysis of its mining scheme in the near water[J].Journal of Beijing Normal University(Natural Science),2013,49(2/3):250-255.(in Chinese)]
[17]杨涛,李怀恩,张亚平,等.渭河宝鸡市区段河道生态基流量初步研究[J].水资源与水工程学报,2007,18(5):17-22.[YANG T,LI H E,ZHANG YP,et al.A preliminary study on the ecological basic flow in the urban section of Baoji,Weihe[J].Journal of Water Resources and Water Engineering,2007,18(5):17-22.(in Chinese)]
[18]王喜华.三江平原地下水-地表水联合模拟与调控研究[D].长春:中国科学院研究生院东北地理与农业生态研究所,2015.[WANG X H.Study on joint simulation and regulation of groundwater and surface water in Sanjiang plain[D].Changchun:Graduate University of Chinese Academy of Sciences(Northeast Institute of geography and agricultural ecology),2015.(in Chinese)]
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