Page 103 - 《水资源与水工程学报》2024年第2期
P. 103

!35 "!2 #                         & ' ( ) & * + , -                               Vol.35No.2
               2024 $ 4 %               JournalofWaterResources&WaterEngineering                 Apr.,2024

            DOI:10.11705/j.issn.1672-643X.2024.02.11


                  1977—2021 ÏhÐсÑUѯ•œžab


                                                                1,2         1,2
                                           ’“”·•–——˜ , Y™š
           (1. l\Zc:+ s2*+^wú+a, l\ 3ñNê 830054;2. l\ÄÅÝEo_`^QRyz{, l\ 3ñNê 830054)
                 B C:Eoåo¦ƒ‰Šk7íDEo¦‰Š。7JÃWE:Eݹ./Ý, ÓÔ 1977—2021 ª¦ Landsat
                 §?#¥nüyŽ23Qa, ]@ MNDWI Oß2ZÜI, 8@åo«€u¥^åoÆc, š›./Ýåo
                 ƒ‰Š, 3J?@./Ýåoƒ‰Š¦MN=>。./ëìíî:1977—2021 ª./Ýåo‰Šÿîö¦ÝT
                 MNI./ÝFå。1977—1989 ªFååoöõ9U¦ÿ:¿:¹ 0.93km;1989—2003 ªFååoöF9U¦
                 ÿ:¿:¹ 5.12km;2003—2013 ªFååoöõ9U¦ÿ:¿:¹ 5.46km;2013—2021 ªFååoöF9U¦
                 ÿ:¿:¹ 5.11km。1977—1989 ª./Ýåobc7 1.55km/a ¦ø™Éʾ¿;1989—2002 ªåo7 16.34
                 km/a ¦ø™µ¶#b;2002—2012 ªåo7 22.67km/a ¦ø™îö¾¿;2012—2021 ªåo7 14.36km/a ¦ø
                 ™Áø#b。ªù2¡、 ª©7°78䘑Úã¡:,-N>I./Ýåo、 23ü2¨¨ø‰Š¦MN,-
                 =>。./Ýåobcü­ì—123ü2¨¨ø¦?@ò¹îö,1977—2021 ª./Ý23、 2¨¨øüåo
                 bc¦‰Š²³Ó'•–。
                 DEF: åo‰Š†D;MNDWI ¯¥; åo«€u¥;Landsat ¥n; JÃWE:EÝ
                 GHIJK:P343.3;TV213   LMNOP:A    LQRK:1672643X(2024)02009908
                            DynamicchangesoflakeshorelineintheGreatLakes

                                    regionofBostenLakefrom1977to2021

                                                                         1,2
                                                            1,2
                                              AdilaYalmaiti ,LIXinguo
                  (1.CollegeofGeographicScienceandTourism,XinjiangNormalUniversity,Urumqi830054,China;2.Laboratoryof
                             LakeEnvironmentandResourcesinAridRegionsofXinjiang,Urumqi830054,China)
                 Abstract:Thedynamicchangesoflakeshorelinecanreflectthechangesinthelake.TakingGreatLakes
                 regionofBostenLakeasthestudyarea,themodifiednormalizeddifferencewaterindex(MNDWI)was
                 usedtoextractwaterinformationbasedonLandsatremotesensingdataandmeasuredwaterleveldata
                 from1977to2021.Then,theshorelinedevelopmentindexandshorelinestrengthwereusedtoanalyze
                 thedynamicchangesoftheshoreline ,soastoclarifythemaininfluencingfactors.Theresultsshowthat
                 thenorthshoreofthestudyareaexperiencedthemostsignificantchangesfrom1977to2021.Specifical
                 ly,theshorelinemovedtothesouthbyupto0.93kmfrom1977to1989;movedtothenorthbyupto
                5.12kmfrom1989to2003;thenmovedtothesouthagainbyupto5.46kmfrom2003to2013;lastly,
                 movedtothenorthagainbyupto5.11kmfrom2013to2021.Intermsoftheshorelinelength,itde
                 creasedgraduallyatarateof1.55km/afrom1977to1989 ,increasedatarateof16.34km/afrom
                1989to2002,thendecreasedsharplyatarateof22.67km/afrom2002to2012,andincreasedagain
                 rapidlyatarateof14.36km/afrom2012to2021.Annualprecipitation,annualtemperatureandrunoff
                 oftheKaiduRiverwerethemainnaturalfactorsaffectingthechangesoftheshoreline ,waterleveland
                 watersurfaceareainthestudyarea.Thelengthandtortuosityoftheshorelineinthestudyareaweresig
                 nificantlyinfluencedbythewaterlevelandwatersurfacearea ,andtheirchangeswereconsistentwiththe
                 shorelinelengthfrom1977to2021.

                !"#$:20230406; %&#$:20230922
                '()*: l\&f†,ŠÝ,-*+ÓÛ01(2022D01A214); qw,-*+ÓÛ01(32160271)
                +,-.: Úvã·Ñ†ÜÜO(1999—), p, l\lRI, sK./L, ./œö¹_`§。
                /0+,: Ñlq(1971—), D, €V¦I, JK, WX, sKLYZ, ./œö¹_`§。
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