Recent geological-geomorphological processes on the east Arctic shelf : Results of the expedition of the icebreaker Oden in 2014

• Results obtained by the International Arctic marine expedition (SWERUS-C3) in June to October of 2014, using advanced seismoacoustic equipment, confirmed the wide distribution of potentially hazardous exogenic geological-geomorphological natural processes on the eastern Arctic shelf of Russia. In Arctic seas, serious hazards are represented by ice exaration and its consequences must be taken into consideration when developing oil and gas fields on the shelf. Many areas with anomalous gas saturation of sediments and gas seeps established in the region under consideration may represent global hazard: further increases in methane emissions may represent global risks. The minimization of these and other geological risks in constructing different technogenic objects on the shelf should be a first-priority task in the economic development of the Arctic region.

Ämnesord

NATURVETENSKAP  -- Geovetenskap och miljövetenskap (hsv//swe)

NATURAL SCIENCES  -- Earth and Related Environmental Sciences (hsv//eng)

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