
uttara atlantic current

uttara atlantic pravaham (nac), uttara atlantic drift mariyu uttara atlantic samudra kadalika anie kooda pilustaaru, idhi atlantic mahasamudram lopala unna oka saktivantamaina vecchani paschima sarihaddu pravaham, idhi gulph pravahanni eshaanya disagaa vistaristundi.
aagneya newfoundland raiz vadda gulph pravaham uttaraaniki tirige chota nundi nac udbhavistundi, idhi newfoundland yokka goppa oddula nundi aagneyamgaa vistarinchi unna jalaantargaami sikharam. atlantic daatadaaniki thoorpuvaipu vaegamgaa tiragadaaniki mundu, enn. yea. sii. nadhi 40° enn nundi 51° enn varaku, goppa odduku eesaanyamgaa pravahistundi. idhi itara sarihaddu pravaham kante uttara akshaamsaalaku marinta vecchani ushnamandala neetini ravana chestundi; dakshinaana 40 ess. vii. () kante ekkuva mariyu madhya-atlantic sikharaanni daatinappudu 20 ess. vii. () kante ekkuva. idhi uttara america tiiraaniki sameepamlo vegaanni cherukuntundi. sthalaakruthi dwara darsakatvam vahinchina, nac bhaareega vangi untundi, conny gulph pravaham yokka vangi vangi unna vatiki bhinnamgaa, nac vangi vangi eddeelagaa vidipokunda sthiramgaa untaayi.
gulph pravaham yokka challani bhagalu 50°W vadda grand byaankula "thoka" sameepamlo uttara disagaa tirugutaayi, ikkada azores current saakhalu azores kuu dakshinaana pravahistaayi. akkada nundi enn. yea. sii. eshaanya disagaa, flemish cap (47° enn, 45° doubleu) kuu thoorpuna pravahistundi. madhya-atlantic sikharaanni sameepistuu, adhi thoorpu vaipu maari, chaalaa vedalpugaa mariyu marinta vistaristundi. idhi taruvaata challani eshaanya saakhagaa mariyu vecchani thoorpu saakhagaa vidipotundi. vecchani saakha dakshinam vaipu marinappudu, gulph pravaham yokka upaushnamandala bhaagam chaalaa varaku dakshinam vaipu mallinchabadutundi, paryavasanamga, uttara atlantic ekkuvagaa upadhruva jalaala dwara sarafara cheyabadutundi, indulo labrador pravaham nundi 45° enn vadda nac loki tirigi prasarana cheyabadutundi.
airopa khandaniki paschimaana, idhi rendu pradhana saakhalugaa vidipoyindi. oka saakha aagneya disagaa velutundi, vaayuvya aafrikaanu daati nairuti disagaa marinappudu connery pravaahamgaa maarutundi. itara pradhana saakha vaayuvya airopa teeram vembadi uttaraana konasaagutundi.
itara saakhalalo irminger current mariyu norwegian current unnaayi. prapancha thermoholin prasarana dwara nadiche uttara atlantic pravaham gaali-nadiche gulph pravaahamlo bhaagam, idhi uttara america teeram nundi atlantic meedugaa mariyu architic mahasamudramloki marinta thoorpu mariyu uttara disagaa velutundi.
uttara atlantic pravaham, gulph pravaahamtho kalisi, european vaataavaranampai gananeeyamaina vedekkinche prabhavanni kaligi unnanduku deerghakaalika khyaatini kaligi undhi. ayithe, uttara america mariyu airopa madhya sheethaakaala vaataavaranamloo vyatyaasaalaku pradhana kaaranam samudra pravaahaala kante gaalulu (samudrapu manchu erpadataanni nivaarinchadam dwara pravahalu chaalaa ekkuva akshaamsaala vadda prabhavam chuuputaayi).
vaataavarana maarpu.
amok maadirigaa kakunda, 1997 nundi 2009 varaku labrador samudra pravaham yokka pariseelanalu etuvanti pratikuula dhoranini choopinchaledu, mariyu 2012loe labrador samudra ushnaprasarana teevrataram kavadam praarambhinchindi, 2016loe kotta garishta sthaayiki cherukundi. 2022 natiki, balopetam ayina labrador samudra ushnaprasarana dhorani konasaagutunnatlu kanipistundi, mariyu idhi samudra praathamika utpattilo gamaninchina perugudalato mudipadi undhi. ayinappatikee, 150 samvatsaraala dataset iteevala balopetam cheyabadina eee ushnaprasarana kooda daani baseline sthithitho poliste asadhaaranamgaa balaheenamgaa undani suuchistumdi.
konni vaataavarana namuunaalu labrador-irminger samudraalalo lothaina ushnaprasarana konni global warming paristhitulalo kuulipoevachchani suuchistunnaayi, idhi uttara upadhruva gairlo mottam prasarananu koolchivestundi. ushnograta takkuva sthaayiki tirigi vachinappatikee idhi kolukune avakaasam ledani bhaavistaaru, idhi vaataavarana kona binduvuku udaaharanagaa maarutundi. idhi paschima airopa mariyu united states yokka thoorpu teeramlo aardhika rangaalu, vyavasaya parisrama, neeti vanarulu mariyu indhana nirvahanapai prabhaavaalato vegavantamaina sheetaleekaranaku daariteestundi. frazka-villiams mariyu itarulu. upadhruva gair yokka sheetaleekaranalo iteevali maarpulu, upaushnamandalamlo vecchani ushnogratalu mariyu ushnamandalamlo challani kramaraahityaalu, samudra uparitala ushnogratalalo meridian pravanata yokka praadaesika pampineeni penchaayani, idhi amoe suuchika dwara sangrahinchabadadani 2017 etthi choopindi.
vislaeshimchina 35 namoonaalalo naalugu sem. mea. pii. 6 namoonaalalo matrame eee patanam sambhavistundani 2021 adhyayanam kanugondi. ayithe, 35 namoonaalalo 11 namuunaalu matrame adhika sthaayi khachitatvamto uttara atlantic pravahanni anukarinchagalavu, mariyu indulo upadhruva gair kuulipoevadaanni anukarinche naalugu namuunaalu unnaayi. phalitamgaa, 2022loe munupati taram namuunaalu anchanaa vesina 45.5% avakaasam kante takkuvagaa unna 36.4% vadda current koolipovadam valla airopalo akasmaattugaa sheetaleekarana sanghatana jarige pramaadaanni adhyayanam anchanaa vesindi, oka kaagitam suuchimchimdi upadhruva gair yokka munupati antaraayam chinna manchu yugamtho mudipadi undani.
vaataavarana maarpulapai 2022 sains magazine sameeksha adhyayanam eee ushnaprasarana kuppakuulina paristhitulalo, idhi 1.8 degreela global warming dwara prerepinchabade avakaasam undani perkondi. ayithe, namuunaa vyatyaasaala prakaram avasaramaina vedekkadam 1.1 degreela varaku takkuvagaa ledhaa 3.8 degreela varaku ekkuvagaa undavacchu. okasari prerepinchabadinappudu, pravaham kuulipoevadaaniki prarambham nundi chivari varaku 10 samvatsaraalu patte avakaasam undhi, dheeni paridhi 5 nundi 50 samvatsaraala madhya untundi. eee ushnaprasarana nashtam prapancha ushnogratanu 0.50 degreela varaku taggistundani anchanaa veyabadindi, ayithe airopalo sagatu ushnograta sumaru 3 degreela varaku taggutundi. praantiiya varshapaatampai kooda gananeeyamaina prabhavalu unnaayi.