补充阅读 cool antarctica

补充阅读 cool antarctica

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时间:2018-12-03

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1、CoolAntarcticaAntarcticaisanamazingplace.Itmaybecoldandremote,butthisfrozenlandishometosomegreatwildlife.Readthearticletofindoutmoreaboutthisincrediblecontinent.IntroductionAntarcticaisafrozencontinent.Itisasfarsouthasyoucangetanditsurroundsthesouthpole.Antar

2、cticaiscoveredbyagreaticesheetandisaboutthetoughestplaceyoucouldchoosetolive.ThecontinentisdividedintwopartsbytheTransantarcticMountains.Thismountainchainis3,540kmlongandcontainsanactivevolcano:MountErebus.ThehighestmountainonAntarcticaistheVinsonMassif(5,140

3、m)intheEllesworthMountains.Theeasternpartofthecontinentisthelargest,andthewesternparthasapeninsulathatsticksoutasfaras965km(600miles)fromthepole.Antarcticaistheleastpopulatedandleastpollutedoftheworld'scontinents,butisnotuntouched.Infact,itiswheretheholeinthe

4、ozonelayerisfound.In1959theAntarcticTreatywassignedinordertotryandpreservetheuniquefeaturesofthecontinent.ExplorationAntarcticawasthelastcontinenttobediscoveredbymodernman.Ancientpeopleshadlongpasseddownlegendsofamysterioussouthernlandbutitwasfirstofficiallys

5、ightedin1820.Duringthe19thcentury,peoplestartedtoexploititsresources,byhuntingwhalesandseals.Thenintheearly1900s,thegreatexplorers,includingScott,ShackletonandAmundsentookupthechallengetoreachthesouthpole.AmundsenactuallygottherefirstinDecember1911,butScott’s

6、expeditionisperhapsmorefamous.Histeammadeittothepolejustamonthlater,onlytofindtheNorwegianflagalreadyinplace.Scottandhiscompanionsalldiedonthereturnjourney.MawsonandByrdwerethefirstexplorerstoconsiderflyingtothesouthpole.Nowthatwehavemodernaircraftequippedwit

7、hthelatesttechnology,it’smucheasiertofindoutaboutAntarctica.Therehavebeenanumberofscientificstudiesinthelast50years.ClimateAntarcticaiscolderanddrierthananyothercontinent.Thecoldesttemperatureeverrecordedwas-89.2ºC(-128.6ºF)atVostockresearchstation.AlthoughAn

8、tarcticaistheworld’ssmallestcontinent,itislargeenoughfortheclimatetovaryfromoneareatothenext.Insummer,temperaturescanriseto+15ºC(59ºF)inthepeninsulabutonlyreachabout-20ºC(-4ºF)intheinteri

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