Kara-Winter-2014 Ice Expedition Successfully Completed

By Joseph R. Fonseca
Tuesday, June 10, 2014
Kara-Winter-2014 Ice Expedition

 

The Kara-Winter-2014 Ice Expedition organized by the Arctic Research and Design Center (a joint venture of Rosneft and ExxonMobil) with expert support from the Arctic and Antarctic Research Institute Federal State Budget Institution was successfully finished. It has become the largest expedition in the Arctic Ocean since the USSR collapse. Within 63 days scientists have been studying least developed areas of three northern seas: the Laptev, Kara, and East-Siberian Seas on board the Yamal Ice-Breaker. The works have been also carried out off the coast of Novaya Zemlya, Severnaya Zemlya archipelagoes, and De Long Islands.

There have been carried out ice and meteorological measurements at 35 stations. 40 drifting buoys have been installed at ice fields and icebergs, the westernmost buoy has been installed off the coast of Novaya Zemlya, and the easternmost along Bennett Island in the East Siberian Sea. These buoys allow constant monitoring of ice features coordinates and to determine driftage of their trajectory.

There have been never carried out so large-scale studies in the arctic seas before. This was the first time, when physical and chemical properties and morphometric parameters of icebergs and hummocks of the Laptev Sea were studied, as well as water mass distribution, stream, and variability of temperature. Iceberg drift along Severnaya Zemlya archipelago was studied for the first time.

Most of the icebergs (about two thousand) have been recorded along the eastern coast of the archipelago. Along Matusevich inlet there has been discovered a giant iceberg of 3x1 km of linear dimensions.

Remote-piloted vehicles and helicopter KA-32 were involved in the exploration of ice cover, and unique remotely operated vehicles Gnom with depth of submersion of up to 100 meters for the exploration of sea floor. The participants of Ice Expedition studied the gouging traces at the bottom of the sea, which can show drift directions and maximum keels of hummocks.

During the Ice Expedition, scientists were observing oceanic mammals and birds in order to evaluate potential impact of oil production to arctic nature, and to develop environmental regulations for shelf development.

On the basis of the received data there will be constructed 3D models of ice features. This will allow Rosneft to determine safe points for exploration works, to design drilling platforms and other constructions for oil production, to choose routes for transportation of hydrocarbons and possible routes of offshore pipelines. The expedition is not only about pragmatic interests of the Company.

In the scientific community, data received in the course of this expedition are considered as a breakthrough in studying the Arctic.
 


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