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Ice conditions of navigation during the NABOS-2021 expedition in September-October 2021

The short message presents the primary processing data results of special shipborne ice observations during the NABOS-2021 expedition in September-October 2021. A feature of this expedition was unforeseen during the planning period hard ice conditions, which made adjustments to the initial expeditio...

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Gorde:
Egile nagusia: Timofeeva A.B.
Formatua: Artigo
Hizkuntza:Inglês
Argitaratua: LLC Center for Information and Legal Support for the Development of the Arctic 2021-12-01
Saila:Российская Арктика
Gaiak:
the short message presents the primary processing data results of special shipborne ice observations during the nabos-2021 expedition in september-october 2021. a feature of this expedition was unforeseen during the planning period hard ice conditions
which made adjustments to the initial expedition plans. the overall research area for the cruise included northern parts of the laptev and the east siberian seas within 79-82°n up to 170°w. generalization and analysis of the sea ice conditions along the oceanographic sections were performed
combining or dividing segments in accordance with the ice conditions homogeneousness. in general
66% of the ship track within the ice during the nabos-2021 expedition had the ice concentration of 10 tenths
the residual ice by the route accounted for 26%; young ice
38%; the nilas and the new ice
36%.the residual ice thickness varied from 30-50 cm to 160 cm and above
in some cases (hummock formations) over 300 cm. residual ice thickness of 30-50 and 50-70 cm accounts for 9% each of the route length
thickness over 70 cm account for 8% of the entire route of the vessel in the ice
Sarrera elektronikoa:https://en.russian-arctic.info/info/articles/oceanology/ice-conditions-of-navigation-during-the-nabos-2021-expedition-in-september-october-2021/
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