DataSheet_1_Abrupt fluctuations in North Pacific Intermediate Water modulated changes in deglacial atmospheric CO2.xlsx
As a major reservoir of heat and CO 2 , the Pacific Ocean is an important component of the global climate system, but the nature of its circulation under different climatic conditions remains poorly understood. We present sedimentary records of surface water hydrography and nutrient dynamics from th...
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ftfrontimediafig:oai:figshare.com:article/20924605 2023-05-15T18:18:41+02:00 DataSheet_1_Abrupt fluctuations in North Pacific Intermediate Water modulated changes in deglacial atmospheric CO2.xlsx Yanguang Liu Yue Qiu Dongling Li Antonina V. Artemova Yuying Zhang Aleksandr A. Bosin Sergey A. Gorbarenko Qingsong Liu Debo Zhao Longbin Sha Yi Zhong 2022-09-05T04:40:19Z https://doi.org/10.3389/fmars.2022.945110.s001 https://figshare.com/articles/dataset/DataSheet_1_Abrupt_fluctuations_in_North_Pacific_Intermediate_Water_modulated_changes_in_deglacial_atmospheric_CO2_xlsx/20924605 unknown doi:10.3389/fmars.2022.945110.s001 https://figshare.com/articles/dataset/DataSheet_1_Abrupt_fluctuations_in_North_Pacific_Intermediate_Water_modulated_changes_in_deglacial_atmospheric_CO2_xlsx/20924605 CC BY 4.0 CC-BY Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering sea surface temperature North Pacific Intermediate Water biological productivity CO2 subarctic Pacific Ocean Dataset 2022 ftfrontimediafig https://doi.org/10.3389/fmars.2022.945110.s001 2022-09-07T23:07:49Z As a major reservoir of heat and CO 2 , the Pacific Ocean is an important component of the global climate system, but the nature of its circulation under different climatic conditions remains poorly understood. We present sedimentary records of surface water hydrography and nutrient dynamics from the subarctic Pacific Ocean, with the aim of investigating changes in sea-ice coverage, biological productivity, and sea surface temperature in the subarctic Northwest Pacific since 32 kyr. Our records indicate an enhanced North Pacific surface water stratification from the last glacial to Heinrich Stadial 1, which generally limited the siliceous productivity supply to the surface water. A productivity peak during the Bølling/Allerød warm interval was associated with an increase in the atmospheric pCO 2 , and it was driven by the increased supply of nutrient- and CO 2 -rich waters. This process can be attributed to the collapse of the North Pacific Intermediate Water formation at the onset of the Bølling/Allerød interstadial. Moreover, a northward shift of the westerly winds and the gyre boundary could have modulated the expansion of the subpolar gyre, driving changes in poleward heat transport, biogeochemistry, and the hydroclimate of the North Pacific. Our results are consistent with modern evidence for a northward shift of the westerlies in response to global warming, which will likely result in CO 2 outgassing from the subarctic Pacific Ocean in the future. Dataset Sea ice Subarctic Frontiers: Figshare Pacific |
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 sea surface temperature North Pacific Intermediate Water biological productivity CO2 subarctic Pacific Ocean |
spellingShingle |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering sea surface temperature North Pacific Intermediate Water biological productivity CO2 subarctic Pacific Ocean Yanguang Liu Yue Qiu Dongling Li Antonina V. Artemova Yuying Zhang Aleksandr A. Bosin Sergey A. Gorbarenko Qingsong Liu Debo Zhao Longbin Sha Yi Zhong DataSheet_1_Abrupt fluctuations in North Pacific Intermediate Water modulated changes in deglacial atmospheric CO2.xlsx |
topic_facet |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering sea surface temperature North Pacific Intermediate Water biological productivity CO2 subarctic Pacific Ocean |
description |
As a major reservoir of heat and CO 2 , the Pacific Ocean is an important component of the global climate system, but the nature of its circulation under different climatic conditions remains poorly understood. We present sedimentary records of surface water hydrography and nutrient dynamics from the subarctic Pacific Ocean, with the aim of investigating changes in sea-ice coverage, biological productivity, and sea surface temperature in the subarctic Northwest Pacific since 32 kyr. Our records indicate an enhanced North Pacific surface water stratification from the last glacial to Heinrich Stadial 1, which generally limited the siliceous productivity supply to the surface water. A productivity peak during the Bølling/Allerød warm interval was associated with an increase in the atmospheric pCO 2 , and it was driven by the increased supply of nutrient- and CO 2 -rich waters. This process can be attributed to the collapse of the North Pacific Intermediate Water formation at the onset of the Bølling/Allerød interstadial. Moreover, a northward shift of the westerly winds and the gyre boundary could have modulated the expansion of the subpolar gyre, driving changes in poleward heat transport, biogeochemistry, and the hydroclimate of the North Pacific. Our results are consistent with modern evidence for a northward shift of the westerlies in response to global warming, which will likely result in CO 2 outgassing from the subarctic Pacific Ocean in the future. |
format |
Dataset |
author |
Yanguang Liu Yue Qiu Dongling Li Antonina V. Artemova Yuying Zhang Aleksandr A. Bosin Sergey A. Gorbarenko Qingsong Liu Debo Zhao Longbin Sha Yi Zhong |
author_facet |
Yanguang Liu Yue Qiu Dongling Li Antonina V. Artemova Yuying Zhang Aleksandr A. Bosin Sergey A. Gorbarenko Qingsong Liu Debo Zhao Longbin Sha Yi Zhong |
author_sort |
Yanguang Liu |
title |
DataSheet_1_Abrupt fluctuations in North Pacific Intermediate Water modulated changes in deglacial atmospheric CO2.xlsx |
title_short |
DataSheet_1_Abrupt fluctuations in North Pacific Intermediate Water modulated changes in deglacial atmospheric CO2.xlsx |
title_full |
DataSheet_1_Abrupt fluctuations in North Pacific Intermediate Water modulated changes in deglacial atmospheric CO2.xlsx |
title_fullStr |
DataSheet_1_Abrupt fluctuations in North Pacific Intermediate Water modulated changes in deglacial atmospheric CO2.xlsx |
title_full_unstemmed |
DataSheet_1_Abrupt fluctuations in North Pacific Intermediate Water modulated changes in deglacial atmospheric CO2.xlsx |
title_sort |
datasheet_1_abrupt fluctuations in north pacific intermediate water modulated changes in deglacial atmospheric co2.xlsx |
publishDate |
2022 |
url |
https://doi.org/10.3389/fmars.2022.945110.s001 https://figshare.com/articles/dataset/DataSheet_1_Abrupt_fluctuations_in_North_Pacific_Intermediate_Water_modulated_changes_in_deglacial_atmospheric_CO2_xlsx/20924605 |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Sea ice Subarctic |
genre_facet |
Sea ice Subarctic |
op_relation |
doi:10.3389/fmars.2022.945110.s001 https://figshare.com/articles/dataset/DataSheet_1_Abrupt_fluctuations_in_North_Pacific_Intermediate_Water_modulated_changes_in_deglacial_atmospheric_CO2_xlsx/20924605 |
op_rights |
CC BY 4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.3389/fmars.2022.945110.s001 |
_version_ |
1766195331310026752 |