Page 50 - 《水资源与水工程学报》2023年第3期
P. 50

!34 " ! 3 #                       & ' ( ) & * + , -                               Vol.34No.3
               2023 $ 6 %               JournalofWaterResources&WaterEngineering                 Jun.,2023

            DOI:10.11705/j.issn.1672-643X.2023.03.06


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                 ABCDE:TV213.4;P426.666   FGHIJ:A    FKLE:1672643X(2023)03004609
                        Distributioncharacteristicsofwaterresourcesutilizationand
                                         droughtriskinJiangsuProvince

                                         1
                                                                           3
                                                             1
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                                 RENJie,LIShijun,XUYi,SUNXiaobin,GAOKun
                    (1.JiangsuHydraulicResearchInstitute,Nanjing210017,China;2.SihongWaterConservancyBureau,Sihong
                      223999,China;3.TaizhouWaterConservancyBureau,Taizhou225309,China;4.JiangsuSurveyingand
                                  DesignInstituteofWaterResourcesCo. ,Ltd.,Yangzhou225127,China)
                 Abstract:TakingJiangsuProvinceastheresearchobject,theindexoftransboundarywaterdependence
                 degreeisproposedtodescribethecontradictionbetweenlocalwaterresourcesandwaterconsumption.
                 Furthermore,theindexesoftransboundarywaterdependencedegreeandwaterusebalancedegreearese
                 lectedtoanalyzethewaterresourcesutilizationstructure.Meanwhile,theriskcharacteristicsofdrought
                 disasterinJiangsuProvinceareanalyzedfromtheperspectivesofagriculturaldroughtdisasterriskandur
                 bandroughtdisasterrisk.TheresultsshowthatthelocalwaterresourcesinJiangsuProvincewasinsuffi
                 cient ,theaveragetransboundarywaterdependencedegreeofJiangsuProvincefrom2017to2020reached
                1.70,indicatingthatthewatersupplyofJiangsuwashighlydependentontheYangtzeRiver.From2017
                 to2020,thewaterconsumptionofagricultureandindustryaccountedfor47% and42% oftheprovince’s
                 averagewaterconsumption ,respectively.ThewaterbalancedegreeofeachcityinJiangsuProvincevar
                 iedgreatly,ofwhichthemaximum valuereached0.746andtheminimum was0.346.Agricultural
                 droughtdisasterriskinJiangsuProvincemainlydistributedintheendpointsofwaterdiversionprojectsin
                 XuzhouandLianyungangCity ,andalsoinYilimountainsofNingCounty,southofJiangsuProvince.
                 However,therewasnoobviousspatialregularityinthedistributionofurbandroughtdisasterrisk.
                 Keywords:drought;waterresourcesutilization;droughtdisasterrisk;transboundarywaterdepend
                 ence ;spatialdistribution;JiangsuProvince

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