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byateamofexplores

whotrickedthroughthearcticforthreemonths

thisspringshowsthenorthpolewillbeinopenseaduringthesummermonthswithintwentyyears

thecatalanarcticsurveyteamledbyexplorepenhahadllmeasutheththicknessoftheasasssggedandhikethroughthenorthernpartofthebulftseainthegeographicnorthpole

theirfindingshowthatmostoftheiceintheregionisfirstyeareice

thatisonlyaroundsixfeetdeep

andwillmeltnextsummer

theregionhastraditionallycontainedthickermultieicewhichdoesnotmeltasrapidlytheresultscomeasnegotiatorspreparedtomeincopenhiggindecembertodraftaglobalclimatepath

theconclusionsfromthisworkandfromothermeasurementsthatthepaintdown

andfromnewmodelsthatthesummarizedhomedisappearwithintwentytothirtyyears

anduhitwillbealotofitwillbegwithinwithintenyears

thatitlatoretreattoafairlysmallareaandnorthofgreenlandwithinaboutadecade

andthentherestoftheicewhowouldwilldisappearduringthefollowingdecade

thisresulthowsignificantbecausetheyhighlighttheurgencytheyhighlighthowanimportantaspectoftheclimatesystemisistually

tuallymorevulnerableabletoclimatechange

thanwethoughtsummercornnotedthatthearcticseaholdsacentralpositionintheearths

climatesystemandlossofarcticeyescouldimpacttheclimateofregionswaybeyondthearctic

itselfpotentialconsequencesincludefloodingaffectingaquarteroftheworldspopulationsignificantincreasesingreenhouse

gasemissionsfrommassivecarbonpollsaswellasextremeglobalweatherchanges

globalwarminghasraisedthestakesinthescrambleforsovereiggtyinthearcticbecauseshrinkingpolariiescouldsomedayopenensourcedevelopmentandnewshippinglanes

therapidicemelpinghasraisedspeculationthatthenorthwestpassagelinkingtheatlanticandpacificoceanscouldonedaybecomearegularshippinglane