Wave Forms of the Pechora Sea Bottom Relief in the Strait Between the Kanin Peninsula and Kolguyev Island

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During the expeditions of the Institute of Oceanology of the 38th and 41st voyages of the RAS R/V Academic Nikolai Strakhov (2018–2019) in the Pechora Sea between the Kanin Peninsula and Kolguyev Island. Kolguyev revealed a large number of accumulative sandy bottom landforms and characterized a number of their parameters. In 2022 (51st cruise of the R/V Academic Boris Petrov), the study of such relief was continued in order to clarify the area of their development, morphology and dynamics.

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作者简介

N. Dmitrevsky

Shirshov Institute оf Oceanology of the Russian Academy of Sciences

编辑信件的主要联系方式.
Email: nnd2008@rambler.ru
俄罗斯联邦, Moscow

N. Libina

Shirshov Institute оf Oceanology of the Russian Academy of Sciences

Email: lnatvit@mail.ru
俄罗斯联邦, Moscow

E. Sukhikh

Geological Institute of the Russian Academy of Sciences

Email: nnd2008@rambler.ru
俄罗斯联邦, Moscow

参考

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2. Fig. 1. Map of the study area: 1 - transects performed in 2022; 2 - selected areas on the transects; 3 - additional research site; 4 - transects performed in 2018-2019; 5 - areas of the 2018-2019 transects where bottom waveforms were observed. In the inset, the general study area is marked with a rectangle and arrows show the directions of currents: solid lines - Atlantic waters - branch of the southern branch of the Nordkapp Current; dashed lines - local currents.

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3. Fig. 2. Bottom profiles with manifestation of wave forms along the transects (numbering according to Fig. 1, rectangles show fragments of detailing given in Fig. 2. 3).

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4. Fig. 3. Detailed fragments of profiles (numbering according to Fig. 2).

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5. Fig. 4. Mosaic image of the additional polygon selected in Fig. 2.

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6. Fig. 5. Selected depth sections at the additional polygon. The numbering corresponds to Fig. 4.

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7. Fig. 6. Map of the investigated water area with assumed directions of bottom currents: 1 - assumed directions of bottom currents; 2 - identified directions of sand wave ridges; 3 - boundary of the asymmetric sand wave section.

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