Marine Heatwaves in Siberian Arctic Seas and Adjacent Region

We used a satellite-derived global daily sea surface temperature (SST) dataset with resolution 0.25 × 0.25<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mo>∘</mo><...

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Autores principales:	Elena Golubeva, Marina Kraineva, Gennady Platov, Dina Iakshina, Marina Tarkhanova
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	Siberian Arctic seas climate changes marine heatwaves numerical modeling Science Q
Acceso en línea:	https://doaj.org/article/15b54ff23aa44823ab001ff68879e0aa
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spelling	oai:doaj.org-article:15b54ff23aa44823ab001ff68879e0aa2021-11-11T18:56:41ZMarine Heatwaves in Siberian Arctic Seas and Adjacent Region10.3390/rs132144362072-4292https://doaj.org/article/15b54ff23aa44823ab001ff68879e0aa2021-11-01T00:00:00Zhttps://www.mdpi.com/2072-4292/13/21/4436https://doaj.org/toc/2072-4292We used a satellite-derived global daily sea surface temperature (SST) dataset with resolution 0.25 × 0.25<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mo>∘</mo></msup></semantics></math></inline-formula> to analyze interannual changes in the Arctic Shelf seas from 2000 to 2020 and to reveal extreme events in SST distribution. Results show that the second decade of the 21st century for the Siberian Arctic seas turned significantly warmer than the first decade, and the increase in SST in the Arctic seas could be considered in terms of marine heatwaves. Analyzing the spatial distribution of heatwaves and their characteristics, we showed that from 2018 to 2020, the surface warming extended to the northern deep-water region of the Laptev Sea 75<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mo>∘</mo></msup></semantics></math></inline-formula> to 81<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mo>∘</mo></msup></semantics></math></inline-formula>N. To reveal the most important forcing for the northward extension of the marine heatwaves, we used three-dimensional numerical modeling of the Arctic Ocean based on a sea-ice and ocean model forced by the NCEP/NCAR Reanalysis. The simulation of the Arctic Ocean variability from 2000 to 2020 showed marine heatwaves and their increasing intensity in the northern region of the Kara and Laptev seas, closely connected to the disappearance of ice cover. A series of numerical experiments on the sensitivity of the model showed that the main factors affecting the Arctic sea-ice loss and the formation of anomalous temperature north of the Siberian Arctic seas are equally the thermal and dynamic effects of the atmosphere. Numerical modeling allows us to examine the impact of other physical mechanisms as well. Among them were the state of the ocean and winter sea ice, the formation of fast ice polynias and riverine heat influx.Elena GolubevaMarina KrainevaGennady PlatovDina IakshinaMarina TarkhanovaMDPI AGarticleSiberian Arctic seasclimate changesmarine heatwavesnumerical modelingScienceQENRemote Sensing, Vol 13, Iss 4436, p 4436 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Siberian Arctic seas climate changes marine heatwaves numerical modeling Science Q
spellingShingle	Siberian Arctic seas climate changes marine heatwaves numerical modeling Science Q Elena Golubeva Marina Kraineva Gennady Platov Dina Iakshina Marina Tarkhanova Marine Heatwaves in Siberian Arctic Seas and Adjacent Region
description	We used a satellite-derived global daily sea surface temperature (SST) dataset with resolution 0.25 × 0.25<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mo>∘</mo></msup></semantics></math></inline-formula> to analyze interannual changes in the Arctic Shelf seas from 2000 to 2020 and to reveal extreme events in SST distribution. Results show that the second decade of the 21st century for the Siberian Arctic seas turned significantly warmer than the first decade, and the increase in SST in the Arctic seas could be considered in terms of marine heatwaves. Analyzing the spatial distribution of heatwaves and their characteristics, we showed that from 2018 to 2020, the surface warming extended to the northern deep-water region of the Laptev Sea 75<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mo>∘</mo></msup></semantics></math></inline-formula> to 81<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mo>∘</mo></msup></semantics></math></inline-formula>N. To reveal the most important forcing for the northward extension of the marine heatwaves, we used three-dimensional numerical modeling of the Arctic Ocean based on a sea-ice and ocean model forced by the NCEP/NCAR Reanalysis. The simulation of the Arctic Ocean variability from 2000 to 2020 showed marine heatwaves and their increasing intensity in the northern region of the Kara and Laptev seas, closely connected to the disappearance of ice cover. A series of numerical experiments on the sensitivity of the model showed that the main factors affecting the Arctic sea-ice loss and the formation of anomalous temperature north of the Siberian Arctic seas are equally the thermal and dynamic effects of the atmosphere. Numerical modeling allows us to examine the impact of other physical mechanisms as well. Among them were the state of the ocean and winter sea ice, the formation of fast ice polynias and riverine heat influx.
format	article
author	Elena Golubeva Marina Kraineva Gennady Platov Dina Iakshina Marina Tarkhanova
author_facet	Elena Golubeva Marina Kraineva Gennady Platov Dina Iakshina Marina Tarkhanova
author_sort	Elena Golubeva
title	Marine Heatwaves in Siberian Arctic Seas and Adjacent Region
title_short	Marine Heatwaves in Siberian Arctic Seas and Adjacent Region
title_full	Marine Heatwaves in Siberian Arctic Seas and Adjacent Region
title_fullStr	Marine Heatwaves in Siberian Arctic Seas and Adjacent Region
title_full_unstemmed	Marine Heatwaves in Siberian Arctic Seas and Adjacent Region
title_sort	marine heatwaves in siberian arctic seas and adjacent region
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/15b54ff23aa44823ab001ff68879e0aa
work_keys_str_mv	AT elenagolubeva marineheatwavesinsiberianarcticseasandadjacentregion AT marinakraineva marineheatwavesinsiberianarcticseasandadjacentregion AT gennadyplatov marineheatwavesinsiberianarcticseasandadjacentregion AT dinaiakshina marineheatwavesinsiberianarcticseasandadjacentregion AT marinatarkhanova marineheatwavesinsiberianarcticseasandadjacentregion
_version_	1718431628948144128

Marine Heatwaves in Siberian Arctic Seas and Adjacent Region

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