JiuzhaigouislocatedintheupperreachesofMinjiangRiver,administeredbyNanpingCounty,AbazhouCity.ItisnamedafterthenineTibetanvillages:Panxin,Pengbu,Gugui,Panyazechagui,HeijiaoZhai,Shuzheng,Heye,andZaruetc.Accordingto"NanpingCountyHistory"’srecord:"InYangdongfan,theStraitisafewkilometerslong,therivershowsemeraldgreen,whichreflectsthebeautifultreesontheriverbank."Therefore,thisplaceisnamedYangdong,butalsoknownasJadeSea.In1982,itwasapprovedasanationalkeyscenicspotsbytheStateCouncil,andwasofficiallyapprovedtobelistedonUNESCOWorldNaturalHeritageListinDecember14,1992.
Jiuzhaigouhasalwaysbeenfamousforitsuniqueenvironmentfulfilledwithprimitive,mysteriousatmosphere.Onceuponatime,therewasabraveandstronggodofthemountains,namedDage,fellinlovewithabeautifulgoodnessWomosemo.DagegaveSemoagreatself-mademirrormadeofwindandcloud,butitwasbrokeninto108piecesandturnedinto108sonsofsea(highlandlakes),thusbecamethe108mostbeautifulscenesinJiuzhaigou.HereinJiuzhaigou,themountainsaresnowishwhite,thegreenmountainsandflowingrivers,waterfallsandstreamsareevenmoreattractive,thewaterfallslookslikepearlsfallingfromthesky,leavinghumansendlessadmiresonitsmagnificentbeauty.
Jiuzhaigouhasatotalareaof620squarekilometers.Thenaturalsceneriessufficientlydescribethebeautyoflakes,waterfalls,snowymountainsandforests;itisevenfairtocommentitas“thefairytaleworld".Mostofsites’locationsconcentrateonthethreemaintrenchofa"Y"shape,with50kmlengthonbothlatitudeandlongitude.Accordingtoexpert’sinspection,thistypeofhighlandlakewasformedduringthenewtectonicmovementonearth,duetotheearthcrust’sdrasticchanges,unevenmountainupliftandrivererosions.Ithasfourcategories:Sub-glacialerosion,karstdepressionsblockedlake,landslidesdammedlake,landslidesandavalanchesdammedlake.Theircommonfeaturesare:cleanwater,deepandquiet,connectedtooneanotherbyvariouswaterfalls.Whilethesmallestisaroundhalfanacre,thelargestcangoasfarasthousandsofacres.Theregrowsoldtrees,uniqueandrareplantsonlakeshore,withobviouschangesduringthefourseasons.Thelargestlake,calledLongSea,is7kilometerslong,altitude3,000meters,thewaterisasgreenasemerald.Peoplecanice-skateinwinterorsailduringsummertime.TheWuhuaSea,locatednearby,canreflectsunlightintoalotofbeautifulcolorsbecauseoflargeamountofsedimentssuchasmineral,algaeanddeadleaves.Itisatrulycolorfullake.
分冰川剥蚀、岩溶洼地阻塞湖、泥石流堰塞湖、滑坡与崩塌堰塞湖四大类.-这句话我就用了上面那个机翻的,中文我都看不懂,也不想去查了.