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19420058JournalofSoilandWaterConservationVol.19No.4Aug.,200516X1,1,3,IrisvanDuren2,1,1,1,3(1.,100085;2.InternationalInstituteforGeo2informationandEarthObservation,P.O.Box6,7500AA,Enschede,theNetherlands;3.,071600):,RSGIS198719911996,200020035Land2satTMöETM,16,,16,,--,,,,16,2y=-0.1573x2+215.90x-57989,0.97;,6.9m,,6.9m,,,:RS;GIS;;;:P931.7;P332.3:A:100922242(2005)0420181204ReedLandChangeandItsRelationshiptoWaterLevelinBaiyangLakeSince1987XUWei2hua1,OUYANGZhi2yun1,IrisvanDuren2,ZHENGHua1,WANGXiao2ke1,MIAOHong1,CAOQuan2hu3(1.SystemsEcologyKeyLaboratory,ResearchCenterforEco2environmentalSciences,CAS,Beijing100085;2.InternationalInstituteforGeo2informationandEarthObservation,P.O.Box6,7500AA,Enschede,theNetherlands;3.AnxinCountyWaterConservancyBureau,Anxin,Hebei071600)Abstract:BasedonRSandGIStechnologies,thelandsatTMöETMsatelliteimagesin1987,1991,1996,2000and2003wereinterpretedandanalyzedusingtheoverlapfunction,whichshowedthetemporalandspatialrulesofreedlandchangeinBaiyangLakeinthelast16years.Theresearchresultindicatedthat:theareaofthewholereedlandshowedatrendofdown2up2down.Waterareaandcroplandwerethemainlandcovertypesthatreedconverted.LowerplacesinnorthandeastpartsofBaiyangLakeweretheonesoccurredtheconversionbetweenreedlandandwaterarea,andhigherplacesinnorthwestandsouthwestoccurredtheconversionbetweenreedlandandcropland.Therelationshipbetweenareaofreedlandandsurfacewaterlevelwasalsostudied.Theresultre2vealedthattherewasasignificantquadraticrelationshipbetweentheaveragesurfacewaterlevelintheprevious2yearsandtheareaofreed.Therelationshipequationisy=-0.1573x2+215.90x-57989(R2=0.97).Thisrelationshipwillbeofgreatsignificanceforcontrollingtheareaofreedlandbasedonsurfacewaterlevelandim2provingtheefficiencyofusingwaterresourceinBaiyangLake.Keywords:RS;GIS;BaiyangLakearea;reedlandarea;waterlevel(),[1],[2],[3],[3,4][5],,,,,,,X:20052012113:(30230090);(40321101):,,1977,[6]2070,,,(Phragmitesaustralis),608t1996115t[6],,,16--,,1,,38443859N,1154511616E,,7811%[7],,,510m,,1ö6000,,3700,140,366km2(1015m),515610m()3122km2,8,45115m32060150,36136m3[8],550mm,,7980%,712,,615m(),515m()60,19841987,1988,,,,[6],1987--,,3,56,770%80%,10,[7]2211,,198719911996,200020035LandsatTMöETM200320,,,30m30m20032001990,ERDAS815,,7:,Coverage,5,ArcView311SPSS212,,,319872003,,19871991,19911996,19962000,200020034,,213,,19872003,,:,1;2,1;3428119,19841987,515m3311200315260hm21,,,119872003312,16--,--19871991,515m815m,13245hm211608hm2,1214%,[9]7000hm2,,7616%(2),(1)19912000,,2000616m4555hm2,199620002818%,1991199619962000,5116%7615%(2)(1)20002003,6m,991hm2,611%,70%,(2),,(1),,,,19872003,--,:(1),[10],,30cm,[2],,(2),,,,,,,,[2],,,,3814:16219872003313:2:y=-011573x2+215190x-57989,0197,:16,619m,16000hm2,,(515m)13170hm2;,(1),,,619m,[11](2),,,,,[12],[6],,,[11],,4(1)200315260hm2,,(2)19872003,--,--,,,(3),16,2(y=-011573x2+215190x-57989),9714%,,,(4)1996[12],2003,,,[13],,,,,,,,,,,,,,,,,,,,,,:,!189481195,,:(1)MVC,,3,,(2)3,,,3(J2EE),(3),,,,,,,,,,,WebGIS,WebGIS,,:[1],,.[J].,2004(1):90.[2],.[J].,2002(15):80-81.[3],,,.J2EEMVC[J].,2003(3):144-146.[4].[M].:,1987.67-68.[5],.GIS[J].,2003,17(4):102-104.[6],.WEPP[J].,2003,17(3):42-44.[7],.[J].,2003,17(3):101-104.[8],.GIS[J].,2003,17(2):89-92.[9],.3S[J].,2003,17(2):118-121.[10],.[J].,2003,17(1):137-140.[11],.[J].,2004,18(6):193-195.[12],.RSGIS[J].,2004,18(4):12-15.[13],.[J].,2004,18(3):179-182.184:[1]HawkeCJ,Jos,PV1Reedbedmanagementforcommercialandwildlifeinterests[M]1Sandy:TheRoyalSocietyfortheProtectionofBirds,19961[2]1[M]1:,20001[3]NedeauEJ,MerrittRW,etal1Theeffectofanindustrialeffluentonanurbanstreambenthiccommunity:waterqualityvs1habitatquality[J]1EnvironmentalPollution,2003,123(1):1-131[4]BodensteinerLR,GabrielAO1Responseofmid2watercommonreedstandstowaterlevelvariationsandwinterconditionsinLakePoygan,Wisconsin,USA[J]1AquaticBotany,2003,76(1):49-641[5]DavisJA,FroendR1LossanddegradationofwetlandsinsouthwesternAustralia:Underlyingcauses,consequencesandsolu2tions[J]1WetlandsEcologyandManagement,1999,7(1-2):13-231[6]1[M]1:,20001[7]1[M]1:,19871[8],,,1[J]1,1992,12(4):370-3781[9]1[M]1:,19961[10],1[J]1,2004,11(2):100-1031[11]1[J]1,1996,16():44-461[12],,,1[J]1,2004(3):5-81[13]YinChengqing,LanZhiwen1ThenutrientretentionbyecotonewetlandsandtheirmodificationforBaiyangdianlakerestora2tion[J]1WaterScienceandTechnology,1995,32(3):159-16719814:WebGIS