Exploring and Monitoring of Methane Hydrate Deposits (CROSBI ID 278223)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Sudac, Davorin ; Obhođaš, Jasmina ; Nađ, Karlo ; Valković, Vladivoj
engleski
Exploring and Monitoring of Methane Hydrate Deposits
Relatively recently, in the last 20 years, it was discovered that methane hydrate (MH) deposits are globally distributed in the permafrost and oceans. Before the 1960s when first deposits were discovered in Siberian permafrost, former USSR, it was believed that MH can occur only in laboratory conditions or in vast parts of the Universe. Presently, it is presumed that this solid crystalline compounds in which CH4 molecules occupy the water ice lattices (nominal chemical formula of MH is C4H62O23) can serve as an energy source favorably to all of the world's remaining conventional hydrocarbon sources. Moreover, MH deposits can become vulnerable to climate changes, which were already occurring in geological past with tremendous consequences for the global life on Earth. Thus, further development of advanced techniques is needed to enhance our abilities to better characterize, quantify, and monitor MH deposits. In the work presented, 14 MeV neutrons with associated alpha particle technique (API) were used to quantify the amount of MH in the sample.
associated alpha particle imaging ; fast neutrons ; methane hydrate and hydrocarbon energy sources
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Podaci o izdanju
65 (9)
2018.
2601-2606
objavljeno
0018-9499
1558-1578
10.1109/tns.2018.2831243