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《南水北调中线一期工程生态补水潜力研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第34卷第8期人民黄河Vol_34.No.82012年8月YELLOWRIVERAug.,2012【水资源·水环境】南水北调中线一期工程生态补水潜力研究靖立玲,张丽丽,殷峻暹,蔡文君(1.北京市南水北调工程建设委员会办公室,北京100053;2.中国水利水电科学研究院,北京100038)摘要:采用Spearman秩次相关检验法和Mann.Kendall秩次相关检验法,在分析丹江1:2水库入库径流变化趋势的基础上,构建水库多目标优化调度模型,研究丹江口水库在满足汉江中下游及北调城市供水的同时,向调水受水区进行生态
2、补水的潜力。结果表明:在1956-1998年的42a中,除了8个枯水年或者连续枯水年无水可补之外,其余34a均可向受水区进行生态补水,多年平均生态补水量可达21亿Ill,年生态补水量最多可达45亿in,具有向受水区进行生态补水的巨大潜力。关键词:生态补水;水库调度;丹江口水库;南水北调中线工程中图分类号:TV697.1文献标识码:Adoi:10.3969/j.issn.1000-1379.2012.08.021StudyofLatentCapacityofEcologicalWaterSupplementint
3、heMiddleRouteofSouth.to..NorthWaterDiversionProjectJINGLi—ling,ZHANGLi·li,YINJun-xing2,CAIWen-jun(1.ConstructionandManagementCommitteeofBeijingSectionofSouth-to—NorthWaterDiversionProject,Beijing100053,China;2.ChinaInstituteofWaterResourcesandHydropowerResea
4、rch,Beijing100038,China)Abstract:ThispaperanalyzedthetrendofinflowofDanjiangkouReservoirusingSpearmanRankCorrelationMethodandMann—KendalRankCor-relationMethod.Themulti—objectiveoptimizationmodelofDanjiangkouReservoirwasdevelopedtocalculatehowmuchwaterwouldbe
5、availabletoNorthChinaforecologicalusebasedonthefactthattheotherobjectives,suchasthewaterrequirementsofthelowerreachesofHanjiangRiverandtheurbanwaterdemandsofNorthChina.wereallsatisfied.Theresultsshowedthatthereare34yearsduringtheperiodof1956to1998whichcouldb
6、edivertedwaterfromDanjiangkouReservoirtoNorthChinaf0recologicaluse.Whenencounteringthedryyearsorcontinuousdryyears.8yearsfrom1950to1980,thereWasnowaterforecologicaluseforNorthChina.TheresultsillustratedthatDanjiangkouReservoirhashugepotentialfordivertingwate
7、rtoNorthChinaforecologicaluse.Specially,themulti—yearmeanwatervolumeandthemaximumannualwatervolumeforecolog-icalusecanbereachedto2.1billionmand4.5billionm3respectively.Keywords:ecologicalwatersupplement;reservoiroperation;DanjiangkOUReservoir;MiddleRouteofSo
8、uth-to-NorthWaterDiversionProject水库汛期弃水。丹江口水库多年平均弃水量可达50亿in,多1研究背景年平均弃水可调水量仅为12.6—14.5亿In,且年内分配不均,生态补水只发生在汛期较短的时间内,多年平均可调水天数不南水北调中线一期工程规划从汉江的丹江口水库引水,经足25dE。长江流域与淮河流域的分水岭方城垭口,沿黄淮海平原西部边鉴于此,此次研究在分析
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