
steptoin saanukuula carbon isotope vihaarayaatra

steptoin saanukuula carbon isotope vihaarayaatra (masala dinusulu) anedi oka bhougolika sanghatana, idhi cambrian kaalam yokka antarjaateeya furongian shakam praarambhamlo jarigindi. eee masala dinusulu vaataavaranamloo 13sii nundi 12sii nishpattilo perugudalanu suuchistaayi, dheenini δ13sii anie pilustaaru, idhi sumaru 2 nundi 4 million samvatsaraala varaku konasaagindi. 
vaataavaranamloo δ13c nishpatti perugudala anedi vaataavaranamloo carbon saandratanu raddu cheyadamlo perugudalanu tappanisarigaa anchanaa veyadu. masala dinusula samayamlo δ13c perugudala anedi pradhanamgaa mokkala dwara perigina carbon sthireekarana phalitamgaa ardham, idhi 13c kante 12c marinta sulabhamgaa parishkaristundi, mariyu taruvaata eee sendriya kaarbannu avakshepana raallaloo khananam chestundi. 13sii kante ekkuva nishpattilo vaataavaranamloo 12sii tolagimpu anedi jeevitam yokka perigina vistarananu suuchistumdi mariyu nishpattini 13sii vaipu maarustundi. masala dinusula samayamlo eee maarpu carbon chakramlo prapanchavyaapta bhangam anie ardham, idhi henry chattam dwara vivarinchina vidhamgaa vaataavaranam mariyu mahaasamudraalanu samaana nishpattilo prabhaavitam chestundi. praantiiya samudra mattamlo maarpulu, samudrapu neeti ushnogratala perugudala, samudra anaxia mariyu trilobite mariyu brachiopad viluptaalu eee masala dinusula sanghatanatho mudipadi unnaayi, ayithe eee sanghatanalaku kaaranamayye khachitamaina yantraamgaalu ippatikee dhruvikarinchabadaledu.
eee masala dinusulaku pratipaadita kaaranam sendriya carbon khananam peragadam, bahusha perigina praathamika utpaadakata valla kaavacchu (udhaa.zii. kiranajanya samyogakriya) ledhaa samudramloni deoxygenation kaaranamgaa sendriya padaarthaala samrakshananu meruguparachadam (i.ii. anoxia ledhaa euxinia). samudrapu adugubhaagamlo unna anoxia vyaapti, adhika samudra ushnogratala dwara sulabhataram cheyabadi, samudra jeevula viluptaaniki champe yantraamgaa kooda pratipaadinchabadindi.