Table_1_Biogeochemical structure of the Laptev Sea in 2015-2020 associated with the River Lena plume.docx
The discharge of rivers and the subsequent dispersion of their plumes play a pivotal role in the biogeochemical cycling of the Arctic Ocean. Based on the data collected during annual transects conducted in the autumn period (September-October) from 2015-2020, this study explores the effect of River...
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Online Access: | https://doi.org/10.3389/fmars.2023.1180054.s001 https://figshare.com/articles/dataset/Table_1_Biogeochemical_structure_of_the_Laptev_Sea_in_2015-2020_associated_with_the_River_Lena_plume_docx/23269004 |
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ftfrontimediafig:oai:figshare.com:article/23269004 2023-06-11T04:09:52+02:00 Table_1_Biogeochemical structure of the Laptev Sea in 2015-2020 associated with the River Lena plume.docx Lina Xie Evgeniy Yakushev Igor Semiletov Andrey Grinko Ivan Gangnus Anfisa Berezina Alexander Osadchiev Igor Zhdanov Alexander Polukhin Julia Moiseeva Darya Purgina Irina Pipko Svetlana Pugach Oleg Dudarev Zhenming Ge 2023-05-31T14:11:45Z https://doi.org/10.3389/fmars.2023.1180054.s001 https://figshare.com/articles/dataset/Table_1_Biogeochemical_structure_of_the_Laptev_Sea_in_2015-2020_associated_with_the_River_Lena_plume_docx/23269004 unknown doi:10.3389/fmars.2023.1180054.s001 https://figshare.com/articles/dataset/Table_1_Biogeochemical_structure_of_the_Laptev_Sea_in_2015-2020_associated_with_the_River_Lena_plume_docx/23269004 CC BY 4.0 Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering Laptev Sea Lena River hydrophysical structure biogeochemical structure water mass Dataset 2023 ftfrontimediafig https://doi.org/10.3389/fmars.2023.1180054.s001 2023-05-31T23:11:00Z The discharge of rivers and the subsequent dispersion of their plumes play a pivotal role in the biogeochemical cycling of the Arctic Ocean. Based on the data collected during annual transects conducted in the autumn period (September-October) from 2015-2020, this study explores the effect of River Lena plume dispersion on the seasonal and interannual changes in the hydrophysical and biogeochemical structure of the southeastern Laptev Sea. The temperature-salinity relationship (T-S), Redfield ratio and multiparameter cluster analysis were used to investigate variations in the water mass structure along the transect. The results revealed that the plume’s interannual and seasonal spreading patterns play a crucial role in regulating the local physical, biogeochemical, and biological processes in the southern Laptev Sea. During September-October, the hydrochemical water mass structure along the transects shifted from highly stratified to unstratified as the plume’s mixing intensity increased. Anomalous hydrochemical distributions were observed due to coastal upwelling, which was primarily characterized by high total alkalinity and nitrate levels, and low organic phosphorus, nitrite, and ammonia levels in the seawater. Wind and cold weather conditions drive deep vertical mixing of seawater, causing the resuspension of bottom sediment and the subsequent enrichment of bottom water by nutrients. Multi-parameter cluster analysis is used to describe the details of water mass structures in the highly dynamic southern Laptev Sea, with water mass structures typically undergoing significant changes within two weeks between September and October. The migration and transformation of water masses throughout the seasons are influenced by the volume of river discharge, fall-winter cooling, and atmospheric circulation patterns. Furthermore, the general atmospheric circulation is confirmed to be the primary cause of the interannual variation in the spread of the Lena River plume over the southeast Laptev Sea. Dataset Arctic Arctic Ocean laptev Laptev Sea lena river Frontiers: Figshare Arctic Arctic Ocean Laptev Sea |
institution |
Open Polar |
collection |
Frontiers: Figshare |
op_collection_id |
ftfrontimediafig |
language |
unknown |
topic |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering Laptev Sea Lena River hydrophysical structure biogeochemical structure water mass |
spellingShingle |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering Laptev Sea Lena River hydrophysical structure biogeochemical structure water mass Lina Xie Evgeniy Yakushev Igor Semiletov Andrey Grinko Ivan Gangnus Anfisa Berezina Alexander Osadchiev Igor Zhdanov Alexander Polukhin Julia Moiseeva Darya Purgina Irina Pipko Svetlana Pugach Oleg Dudarev Zhenming Ge Table_1_Biogeochemical structure of the Laptev Sea in 2015-2020 associated with the River Lena plume.docx |
topic_facet |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering Laptev Sea Lena River hydrophysical structure biogeochemical structure water mass |
description |
The discharge of rivers and the subsequent dispersion of their plumes play a pivotal role in the biogeochemical cycling of the Arctic Ocean. Based on the data collected during annual transects conducted in the autumn period (September-October) from 2015-2020, this study explores the effect of River Lena plume dispersion on the seasonal and interannual changes in the hydrophysical and biogeochemical structure of the southeastern Laptev Sea. The temperature-salinity relationship (T-S), Redfield ratio and multiparameter cluster analysis were used to investigate variations in the water mass structure along the transect. The results revealed that the plume’s interannual and seasonal spreading patterns play a crucial role in regulating the local physical, biogeochemical, and biological processes in the southern Laptev Sea. During September-October, the hydrochemical water mass structure along the transects shifted from highly stratified to unstratified as the plume’s mixing intensity increased. Anomalous hydrochemical distributions were observed due to coastal upwelling, which was primarily characterized by high total alkalinity and nitrate levels, and low organic phosphorus, nitrite, and ammonia levels in the seawater. Wind and cold weather conditions drive deep vertical mixing of seawater, causing the resuspension of bottom sediment and the subsequent enrichment of bottom water by nutrients. Multi-parameter cluster analysis is used to describe the details of water mass structures in the highly dynamic southern Laptev Sea, with water mass structures typically undergoing significant changes within two weeks between September and October. The migration and transformation of water masses throughout the seasons are influenced by the volume of river discharge, fall-winter cooling, and atmospheric circulation patterns. Furthermore, the general atmospheric circulation is confirmed to be the primary cause of the interannual variation in the spread of the Lena River plume over the southeast Laptev Sea. |
format |
Dataset |
author |
Lina Xie Evgeniy Yakushev Igor Semiletov Andrey Grinko Ivan Gangnus Anfisa Berezina Alexander Osadchiev Igor Zhdanov Alexander Polukhin Julia Moiseeva Darya Purgina Irina Pipko Svetlana Pugach Oleg Dudarev Zhenming Ge |
author_facet |
Lina Xie Evgeniy Yakushev Igor Semiletov Andrey Grinko Ivan Gangnus Anfisa Berezina Alexander Osadchiev Igor Zhdanov Alexander Polukhin Julia Moiseeva Darya Purgina Irina Pipko Svetlana Pugach Oleg Dudarev Zhenming Ge |
author_sort |
Lina Xie |
title |
Table_1_Biogeochemical structure of the Laptev Sea in 2015-2020 associated with the River Lena plume.docx |
title_short |
Table_1_Biogeochemical structure of the Laptev Sea in 2015-2020 associated with the River Lena plume.docx |
title_full |
Table_1_Biogeochemical structure of the Laptev Sea in 2015-2020 associated with the River Lena plume.docx |
title_fullStr |
Table_1_Biogeochemical structure of the Laptev Sea in 2015-2020 associated with the River Lena plume.docx |
title_full_unstemmed |
Table_1_Biogeochemical structure of the Laptev Sea in 2015-2020 associated with the River Lena plume.docx |
title_sort |
table_1_biogeochemical structure of the laptev sea in 2015-2020 associated with the river lena plume.docx |
publishDate |
2023 |
url |
https://doi.org/10.3389/fmars.2023.1180054.s001 https://figshare.com/articles/dataset/Table_1_Biogeochemical_structure_of_the_Laptev_Sea_in_2015-2020_associated_with_the_River_Lena_plume_docx/23269004 |
geographic |
Arctic Arctic Ocean Laptev Sea |
geographic_facet |
Arctic Arctic Ocean Laptev Sea |
genre |
Arctic Arctic Ocean laptev Laptev Sea lena river |
genre_facet |
Arctic Arctic Ocean laptev Laptev Sea lena river |
op_relation |
doi:10.3389/fmars.2023.1180054.s001 https://figshare.com/articles/dataset/Table_1_Biogeochemical_structure_of_the_Laptev_Sea_in_2015-2020_associated_with_the_River_Lena_plume_docx/23269004 |
op_rights |
CC BY 4.0 |
op_doi |
https://doi.org/10.3389/fmars.2023.1180054.s001 |
_version_ |
1768383879936212992 |