Growth of landfast ice and its thermal interaction with bottom sediments in the Braganzavägen Gulf (West Spitsbergen)

P V Bogorodskiy; N E Demidov; K V Filchuk; A V Marchenko; E G Morozov; A L Nikulina; A V Pnyushkov; I V Ryzhov

doi:doi:10.2205/2020ES000718

Growth of landfast ice and its thermal interaction with bottom sediments in the Braganzavägen Gulf (West Spitsbergen)

Published в Russian Journal of Earth Sciences · Volume 20, Issue 6, 2020 · Rubrics: ORIGINAL ARTICLES

DOI 10.2205/2020ES000718

Received: 25.12.2020 Accepted: 25.12.2020 Published: 25.12.2020 Language of publication: ENG

Authors

P V Bogorodskiy ¹ · N E Demidov ² · K V Filchuk ³ · A V Marchenko ⁴ · E G Morozov ⁵ · A L Nikulina ⁶ · A V Pnyushkov ⁷ · I V Ryzhov ⁸

1 Arctic and Antarctic Research Institute

2 Vernadsky Institute of Geochemistry and Analytical Chemistry

3 Arctic and Antarctic Research Institute

4 University Centre in Svalbard and Zubov Oceanographic Institute

5 Shirshov Institute of Oceanology RAS

6 Arctic and Antarctic Research Institute

7 Arctic and Antarctic Research Institute

8 Arctic and Antarctic Research Institute

ABSTRACT

The results of ice and hydrological studies of the shallow Bay of Braganzav{å}gen (Van Mayen Fjord Bay, West Spitsbergen Island) in March 2016 and 2018, supplemented with model calculations using a thermodynamic model, are presented. The model uses both known methods of localizing the phase transition region - the classical (frontal) for fast ice and in an extended area (two-phase zone) for bottom sediments. For real atmospheric conditions of winter 2015-2016, the new qualitative features of the process of ice formation in the adjacent layers of sea water and bottom soil are revealed. However, due to insufficient knowledge of the heat and mass transfer properties of bottom sediments, the question of quantitative estimates of the process remains open and can be clarified in special field experiments.

KEYWORDS

West Spitsbergen bottom sediments energy and mass transport ice formation shallow-water zone sub-ice water layer

Information References

Authors:

1. Arctic and Antarctic Research Institute

2. Vernadsky Institute of Geochemistry and Analytical Chemistry

3. Arctic and Antarctic Research Institute

4. University Centre in Svalbard and Zubov Oceanographic Institute

5. Shirshov Institute of Oceanology RAS

6. Arctic and Antarctic Research Institute

7. Arctic and Antarctic Research Institute

8. Arctic and Antarctic Research Institute

Type:

Article

Pages:

from to

Status:

Published

Language:

English

Keywords:

West Spitsbergen, bottom sediments, energy and mass transport, ice formation, shallow-water zone, sub-ice water layer

Funding

This study was supported by the Ministry of Science and Higher Education of the Russian Federation (project RFMEFI61617X0076).

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Growth of landfast ice and its thermal interaction with bottom sediments in the Braganzavägen Gulf (West Spitsbergen)

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