bhoo-rasayanik mahasagar vibhagancha abhyas

bhoo-rasayanik mahasagar vibhag abhyas (geosec) heey mahasagaratil rasayanik, samasthanikiy aanee kiranotsargi anurekhanchya trimiteey vitarananche jaagtik sarvekshan hote. radiotressors rasayanik tracercha vapar karoon, samudratil khol thermohallin parisancharan tapasane, yamule marg nishchit karane haah eka pramukh uddesh hota. 
bhoo-vidnyan kalat julai 1972 teey meey 1973 yaa kalavadhit atlantic mahasagarat, august 1973 teey juuna 1974 yaa kalavadhit prashant mahasagarat aanee december 1977 teey march 1978 yaa kalavadhit hind mahasagarat mohima jhalya. 
mojmapanmadhye tapman, ksharata, daab aanee ghanata yasarkhya bhautik samudrashastriy pramanancha, ekoon ajaivik carbon, ksharata, nitrate, phosphet, sylic acid, auxigen aanee aapat auxigen vapar (aii. oo. yuu.) yasarkhya rasayanik/jaivik pramanancha aanee carbon-13, carbon-14 aanee tritium yasarkhya radiochemical/isotopic pramanancha samavesh hota.

