
dakshini mahasagar parisancharan koo palat rhaa haye

dakshini mahasagar mein ack dou-koshika pranali haye joe vaishvik parisancharan key bheetar vibhinn jall besinon koo jodati haye. yeh oopar kii or aur neeche kii or badhane seey sanchaalit hotaa haye, joe bhautik mahasagar prakriyaon kaa parinam haye joe taaje paani key pravaah aur havaa key tanaav seey prabhaavit hotey hain. vaishvik garmi, taaje paani aur carbon bajat parr isake prabhaav key kaaran vaishvik mahasagar parisancharan hamari vaishvik jalavaayu pranali mein ack aavashyak tantra haye. oopari koshika mein oopar kii or badhana madhya-gahare paani seey judaa hotaa haye jise satah parr laaya jaataa haye, jabaki nichali koshika mein oopar kii or badhana antarctica key aspas key taaje aur atal paani seey judaa hotaa haye. dakshini mahasagar mein satah taka gahare paani key kuon key lagbhag 27 ± 7 swerdrup (sv). yeh oopar kii or kaa paani aanshik roop seey halke paani aur ghaney paani mein parivartit hoe jaataa haye, kramshah 22 ± 4 sv aur 5 ± 5 sv. inn jall key ghanatva garmi aur utplavan pravaah key kaaran badalate hain jisake parinamswarup oopari koshika mein oopar kii or aur nichali koshika mein neeche kii or jaataa haye.
gatishilata.
oopari koshika.
oopari koshika havaa dwara utpann pravaah dwara sanchaalit hoti haye, joe paschimi havaaon kaa parinam haye, joe paridhiya gahare paani (see. dee. doubleu.) seey satah parr paani laati haye. kshetriya havaa kaa dabaav dhruv key paas oopar kii or jhukane aur bhoomadhya rekha parr neeche kii or jhukane key liye prerit kartaa haye kyonki kshetra kii satah-havaa adhikatam hoti haye. iss pawan-sanchaalit parisancharan koo decan cell bhee kahaa jaataa haye aur yeh assie key taapiya pawan pravaah kaa samarthan karane vaale paani koo palatane aur sambhaavit oorjaa kaa bhandaran karane kaa kaary kartaa haye. iss oopari koshika prakriya koo ekman parivahan key roop mein bhee jaanaa jaataa haye. 
meridianal overturning pravaah uttar seey dakshin kii or gahare paani mein aur dakshin seey uttar kii or samudra kii satah parr hotaa haye. satah parr gahare paani mein vayumandal aur satah kii utplavan shaktiyon key sampark mein aatey hain. varsha aur garmiyon key dauran (dakshini ardhkshetra parr) samudri burf key pighalane key kaaran paani key taaza honey key parinamswarup oopari koshika mein uchhaal kaa shuddh laabh hotaa haye. yeh utplavan jall koo halke, cumm ghaney jall mein badal detaa haye, jaise kii upa-antarctic mode jall (saim) aur antarctic madhyavarti jall (aaee). overturning parisancharan mein kull oopar kii or vaale paani kaa lagbhag 22 ± 4 aiss. vee. oopari koshika mein halke paani mein badal jaataa haye. ghanatva vaali satahon kii palatane kii prakriya taapiya pawan dhaaraon kii baroclinic asthirta key madhyam seey santulit hoti haye. yeh asthirta ghanatva satahon koo samtal curr detee haye aur dhruvon kii or parivahan key parinamswarup urjaavaan, samay-nirbhar dhaar gati hoti haye. havaa seey chalane vaale parisancharan seey sambhaavit oorjaa koo taba dhaaron dwara samtal kiya jaataa haye.
missing-mixing paradox.
guma-mishran virodhabhas yeh maanata haye kii parisancharan koo bund karane key liye thermocline key madhyam seey ghanaa paani oopar kii or jaataa haye. ise praapt karane key liye, thermocline mein urdhvaadhar mishran kii aavashyakta hoti haye, joe naheen dekhaa jaataa haye. isake bajaay, doobate kshetron seey ghanaa paani ghanatva isopicanals key saath lagbhag adiabetic maargon mein satah parr laut aaya, jise pahale seey hii herauld swerdrup (mahasagar vigyaani) dwara likhaa gayaa thaa. 
nimn koshika.
nichali koshika meethe paani key pravaah dwara sanchaalit hoti haye jahan samudra-burf kaa nirmaan aur pighalana ack mahatvapurna bhoomika nibhaata haye. samudri-burf key gathan key saath lavan asweekriti hoti haye, jisake parinamswarup paani mein adhik lavanata aur ghanatva hotaa haye aur isaliye utplavan mein kamee aatee haye. jaba burf pighalati haye tou vahaan ack taaja paani kaa pravaah hotaa haye aur vayumandal key sampark mein aataa haye. yadi paani burf mein badal jaataa haye, tou paani mein adhik namak hotaa haye aur vayumandal key sampark mein cumm aataa haye. mausami bhinnataon key kaaran, garmiyon key dauran uchhaal kaa laabh hotaa haye aur sardiyon mein uchhaal kaa nuksan hotaa haye. namak seey bharey iss thhande aur ghaney paani koo ghaney shelf watter (dee. aiss. doubleu.) kahaa jaataa haye. dee. aiss. doubleu. koo taba antarctic tala key paani (aeye. aeye. bee. doubleu.) mein badal diyaa jaataa haye, joe rose samudra, wedell samudra aur antartica key purvi tata seey utpann hotaa haye. lagbhag 5 ± 5 aiss. vee. aabav dakshini mahasagar parisancharan kii nichali koshika mein banata haye, joe kull aabav gathan kaa lagbhag ack tihai haye. overturning parisancharan key baare mein vartamaan gyaan, vishesh roop seey nichali koshika, badey paimaane parr vyutkram model parr adharit haye. yeye model aam taur parr taaje paani key pravaah aur samudri-burf kii paraspar kriya key mahatva koo galat tareeke seey prastut karate hain.
vaishvik parisancharan seey judaav.
duniya key mahasagaron kaa parisancharan kaee tarikon seey vayumandal seey judaa huaa haye. way donon, saar mein, upalabdh saur oorjaa dwara sanchaalit hain aur way samudra kii satah parr gharshan dwara jode gaye hain. dhruvon aur bhoomadhya rekha parr upalabdh saur oorjaa key beach asantulan key kaaran ack meridian tapman pravanata haye joe prithvi parr havaa key pattern koo janm detee haye. vayumandal kii gati satah parr mahasagar kii gati key liye jimmedaar haye. gahare mahasagar badey paimaane parr badey kshetron mein jall ghanatva mein chhoti gadbadi kaa jawab dete hain, joe una prakriyaon key kaaran hoti haye joe paani key tapman yaa lavanata koo prabhaavit karati hain. inn pranaliyon key parisancharan key parinamswarup vaishvik oorjaa bajat kaa punarvitaran hotaa haye joe sthaaniya jalavaayu koo niyantrit kartaa haye. vayumandal aur mahasagar bhee rasayanik roop seey judey hue hain, jahan mahasagar vayumandaliya sandrata key saath santulan mein haye. pichhali shatabdi key dauran vayumandaliya vriddhi key kaaran mahasagar ack shuddh carbon sink haye. vartamaan mein, hamaare vartamaan carbon utsarjan key lagbhag 25 pratishat key liye mahasagar jimmedaar hain. 
amok.
dakshini mahasagar uttari atlantic key gahare paani key oopar kii or utarane aur aantarik mahasagar koo satah seey jodane key dwara uttari atlantic key neeche kii or badhane kii bharpai karke atlantic meridianal overturn parisancharan key bund honey mein mahatvapurna bhoomika nibhaata haye. yeh oopar kii or badhana tej paschimi havaaon seey prerit hotaa haye joe assie key oopar seey bahati hain. avalokan bataate hain kii vaishvik gahare paani kaa lagbhag 80 pratishat dakshini mahasagar mein haye. 
carbon bajat.
poshak tatvon kii badhati sandrata key kaaran samudra mein vriddhi javic gatividhi mein vriddhi key saath mell khaati haye. poshak tatvon kaa upayog phytoplankton dwara kiya jaataa haye joe unhein prakaash sanshleshan key madhyam seey carbon key saath sanyojan mein upayog karate hain, jisase ack sthaaniya carbon sink banata haye. dakshini mahasagar kaa oopar kaa bhaag una kshetron mein carbon sink key roop mein bhee kaary kartaa haye jahan paani kaa nirmaan hotaa haye. cumm ghulansheel carbon sandrata vaalaa gahara paani satah parr badh jaataa haye jahan yeh pahale kii tulanaa mein adhik vayumandaliya carbon sandrata key sampark mein aataa haye. gahare paani mein ghulansheel carbon kii sandrata itani cumm haye kyonki yeh sadiyon seey satah parr naheen rhaa haye jaba vayumandaliya carbon kii sandrata abb kii tulanaa mein cumm thee. paani ack nae carbon santulan taka pahunch jaayega aur baad mein neeche utarane key madhyam seey phir seey neeche laaya jaayega jisake parinamswarup ack shuddh carbon sink hoga. doosari or, aise kshetra jahan gahare germ chakrakar carbon samriddh paani koo oopar kii or leey jaaya jaataa haye, vayumandal key sampark mein aaney key madhyam seey gais baahar nikalati haye, aanshik roop seey palatane vaale parisancharan key carbon sink prabhaav kii bharpai karati haye. 
jalavaayu parivartan.
oopar kii or badhane aur isaki daron koo niyantrit karane vaale tantra koo samajhana, jalavaayu pranali kii hamari samajh key liye maulik haye kyonki yeh usa darr koo niyantrit kartaa haye jiss parr mahasagar key jalaashay satah key saath samvaad karate hain. dakshini mahasagar parisancharan key grahan key madhyam seey vayumandal mein sandrata mein samagr vriddhi koo dheema curr detaa haye. yeh jalavaayu koo kaee anya mahatvapurna tarikon seey bhee prabhaavit kartaa haye. yeh apane jall key parisancharan key madhyam seey garmi kaa parivahan kartaa haye iss prakaar samudra kii garmi kii matra koo sanshodhit kartaa haye. yeh burf key shelf pighalane parr apane prabhaav key madhyam seey samudra key star koo bhee sanshodhit kartaa haye. anta mein, yeh dakshini golardh key samudri burf key aavaran koo prabhaavit kartaa haye, joe prithvi kii satah key albedo seey judaa huaa haye. inn prabhaavon kaa ack saath matlab haye kii dakshini mahasagar parisancharan kaa jalavaayu samvedansheelta parr mahatvapurna prabhaav padata haye.
natijatan, vaishvik carbon bajat koo samajhane kii koshish karate samay dakshini mahasagar parr jalavaayu parivartan kaa prabhaav ack mahatvapurna shodh vishay haye. sabse mahatvapurna mode joe ushnakatibandhiya dakshini golardh mein jalavaayu koo chalaata haye, vaha dakshini kundalakar mode (saim) haye joe pichhale kuchh dashakon mein lagaatar sakaratmak rhaa haye, sambhavatah ozon kii kamee aur vaishvik tapman vriddhi key sanyojan key parinamswarup. saim key lagaatar sakaratmak mode key parinamswarup abb taka paschimi havaaon kaa dhruv kii or badalaav huaa haye aur unaki taakat mein vriddhi hui haye jisake parinamswarup carbon samriddh gahare paani key ventilation mein vriddhi hui haye, jisase dakshini mahasagar mein carbon sink kamjor hoe rhaa haye. isake alawa, tapman mein vriddhi key parinamswarup varsha key pattern mein vriddhi key parinamswarup antarctic madhyavarti jall kaa taaza honah prateet hotaa haye. haalaanki, kyonki dakshini mahasagar mein jalavaayu gatishilata mein mahasagar, vayumandal aur cryosphere key beach pratikriya tantra shamil hain joe jalavaayu model kii vartamaan peedhi mein kharaab roop seey samajhe jaate hain aur achchi tarah seey pratinidhitva naheen karate hain, dakshini mahasagar key parisancharan koo palatane parr jalavaayu parivartan key prabhaav abhee bhee kaafee anishchit hain. semipi5 model 21veen sadee mein oopari-mahasagar mein palatane vaali koshika key samagr parivahan mein "cumm aatmavishvaas" key saath 20 pratishat kii vriddhi kaa anuman lagaate hain. chhathi mulyankan report mein iss mulyankan parr koee nayaa adhyayan naheen sudhaar huaa haye. nimn koshika key parisancharan koo palatane key liye, avalokan, sankhyaatmak aur jeevaashm sakshya seey sanyukt sakshya "madhyam vishvaas" detaa haye kii 21veen shatabdi mein cumm koshika parisancharan antarctic burf kii chaadar seey pighalane key parinamswarup cumm hotaa rahega.

