BBC News - Arctic Ocean Freshwater Bulge Detected

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  • 8/3/2019 BBC News - Arctic Ocean Freshwater Bulge Detected

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  • 8/3/2019 BBC News - Arctic Ocean Freshwater Bulge Detected

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    4 01 2012 BBC Ne - Acic Ocean fehae blge deeced

    2/3.bbc.co.k/ne/cience-enionmen-16657122

    caed he Beaf Ge.

    Thi d fce he ae gehe, aiig ea face heigh, he group tells the journal Nature Geoscience.

    "I he ee Acic, he Beaf Ge i die b a eae ai-ccic id cicai. I die he ae,

    fcig i ie i he cee f ge, ad hi de he ea face," eaied ead ahDr Katharine Giles

    f he Centre for Polar Observation and Modelling (CPOM) a Uiei Cege Ld.

    "I daa, e ee he ed beig bigge i he cee f he ge ad e ad he edge," he d BBC Ne.

    D Gie ad ceage ade hei dice ig ada aeie begig he European Space Agenc (Esa).

    Thee acecaf ca eae ea-face heigh ee he hee i ideead ice ce becae he ae ade

    a icig he cac, ead, ha fee aea i he fe fe.

    The daa (1995-2010) idicae a igifica eig f ae i he Beaf Ge, aica ice he ea a f

    he 2000. The iig ed ha bee ig a 2c e ea.

    Model predictionA f eeach f b ad he i-i aig had aead idicaed ha ae i hi egi f he Acic

    had bee feheig.

    Thi feh ae i cig i age a f he ie ig ff he Eaia (Ria) ide f he Acic bai.

    Wid ad ce hae aed hi feh ae ad he cea i i ha bee ed i he ge. The

    e ce hed i he cicai bab eee ab 10% f a he feh ae i he Acic.

    Of iee fe beai i ha igh hae if he aiccic id, hich hae bee hiig he

    bge, chage behai.

    "Wha e ee ccig i ecie ha he ciae de had ediced," aid D Gie.

    "Whe hae ccie ai - he feh ae i ed. If he id ge he he a - ad ha ha haeed

    i he a - he he feh ae ca be hed he agi f he Acic Ocea.

    "If he i- a i d, he feh ae cd be eeaed. I cd g he e f he Acic Ocea

    ee eae he Acic Ocea."

    If he feh ae ee ee he Nh Aaic i age e, he cce d be ha i igh dib he

    ce ha hae ch a gea ifece Eea eahe ae. Thee ce da a ae f

    he ic, aiaiig ide eeae i ie ha d diai be eeced a he Eea

    aide.

    The ceai f he Beaf Ge bge i a ci deee hgh he 15-ea daa-e, ad

    bece a dia feae i he ae haf f he d eid.

    Thi a idicae a chage i he eaihi beee he id ad he cea i he Acic bgh ab b he

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    4 01 2012 BBC Ne - Acic Ocean fehae blge deeced

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    ece aid decie i ea-ice ce, he CPOM ea age i i Nae Geciece ae.

    I i ibe ha he id i iaig e he ae i a ha ee ibe he he ea-ice

    a hice ad e eeie.

    "The ice i ch fee e ad," aid D Gie.

    "S, a he id ac he ice, i' abe he ae ad ih i. Deedig h idged he face f ice

    i h h he b f he ice i - hi i a affec he dag he ae. If hae e ead, hi a

    igh ide e eica ice face f he id b agai."

    Oe ceece f e ea-ice i he egi i he ibii ha id cd iiiae geae iig f he

    diffee ae i he Acic Ocea.

    Sciei ae aae ha hee i a f a ae a deh.

    A ee, hi dee ae' eeg i abe ifece he ea-ice becae f a bffe f cde, e dee ae

    ig beee i ad he fe abe.

    B if hi a ae ee ade e becae f id-die chage a he face, i cd fhe acceeae

    he f eaa ice ce.

    The CPOM ea i ieigaig he ieihd f hi haeig ih Ca-2, Ea' fi ada aeie

    dedicaed he d f he a egi.

    "We hae he ea eae he ice hice b a i h he cea de he ice i

    chagig," a D Se La, diec f CPOM ad c-ah f he d, "ad ih CSa-2, e ca

    d e he eie Acic Ocea."

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