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1、Blob是天气异常变化主因？张铁城2016、12、16发送张铁城下载112No.9参考消息2016/7/10p.7Blob是天气异常变化主因？※英国《每日邮报》：'TheBlob'overshadowsElNinoDailyMailJuly6,2016※参考消息译文：【英国《每日邮报》7月7日报道】题：研究人员说天气异常变化应归咎于“blob”July6,2016'TheBlob'andElNiñoareontheirwayout,leavingadisruptedmarineecosystembehind.Cre
2、dit:MichaelJacoxElNiñoexertedpowerfuleffectsaroundtheglobeinthelastyear,erodingCaliforniabeaches;drivingdroughtinnorthernSouthAmerica,AfricaandAsia;andbringingrecordraintotheU.S.PacificNorthwestandsouthernSouthAmerica.InthePacificOceanofftheWestCoast,however,t
3、heCaliforniaCurrentEcosystemwasalreadyunsettledbyanunusualpatternofwarmingpopularlyknownas"TheBlob."Newresearchbasedonoceanmodelsandnearreal-timedatafromautonomousglidersindicatesthatthe"TheBlob"andElNiñotogetherstronglydepressedproductivityofftheWestCoast,wit
4、hTheBlobdrivingmostoftheimpact.TheresearchpublishedinthejournalGeophysicalResearchLetters byscientistsfromNOAAFisheries,ScrippsInstitutionofOceanographyandUniversityofCalifornia,SantaCruzisamongthefirsttoassessthemarineeffectsofthe2015-2016ElNiñoofftheWestCoas
5、toftheUnitedStates."Lastyeartherewasalotofspeculationabouttheconsequencesof'TheBlob'andElNiñobattlingitoutofftheU.S.WestCoast,"saidleadauthorMichaelJacox,ofUCSantaCruzandNOAAFisheries'SouthwestFisheriesScienceCenter."WefoundthatoffCaliforniaElNiñoturnedouttobe
6、muchweakerthanexpected,TheBlobcontinuedtobeadominantforce,andthetwoofthemtogetherhadstronglynegativeimpactsonmarineproductivity.""Now,bothTheBlobandElNiñoareontheirwayout,butintheirwakeliesaheavilydisruptedecosystem,"Jacoxsaid.Unusuallywarmoceantemperaturestha
7、ttookonthename,TheBlob,beganaffectingwatersofftheWestCoastinlate2013.Warmconditions-whetherdrivenbytheBloborElNiño-slowtheflowofnutrientsfromthedeepocean,reducingtheproductivityofcoastalecosystems.Temperaturescloseto3degreesC(5degreesF)aboveaveragealsoledtosig
8、htingsofwarm-waterspeciesfartothenorthoftheirtypicalrangeandlikelycontributedtothelargestharmfulalgalbloomeverrecordedontheWestCoastlastyear.WintertimetemperatureanomaliesofftheUSw
