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  Simulations of ocean deoxygenation in the historical era: insights from forced and coupled models

Takano, Y., Ilyina, T., Tjiputra, J., Eddebbar, Y., Berthet, S., Bopp, L., Buitenhuis, E., Butenschön, M., Christian, J., Dunne, J., Gröger, M., Hayashida, H., Hieronymus, J., Koenigk, T., Krasting, J., Long, M., Lovato, T., Nakano, H., Palmieri, J., Schwinger, J., Séférian, R., Suntharalingam, P., Tatebe, H., Tsujino, H., Urakawa, S., Watanabe, M., & Yool, A. (2023). Simulations of ocean deoxygenation in the historical era: insights from forced and coupled models. Frontiers in Marine Science, 10:. doi:10.3389/fmars.2023.1139917.

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アイテムのパーマリンク: https://hdl.handle.net/21.11116/0000-000E-059E-B 版のパーマリンク: https://hdl.handle.net/21.11116/0000-000E-0D11-1
資料種別: 学術論文

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:
fmars-10-1139917.pdf (出版社版), 24MB
ファイルのパーマリンク:
https://hdl.handle.net/21.11116/0000-000E-05A0-7
ファイル名:
fmars-10-1139917.pdf
説明:
-
OA-Status:
Gold
閲覧制限:
公開
MIMEタイプ / チェックサム:
application/pdf / [MD5]
技術的なメタデータ:
著作権日付:
2023
著作権情報:
© The Authors
CCライセンス:
-

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作成者

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 作成者:
Takano, Yohei1, 著者           
Ilyina, Tatiana1, 著者                 
Tjiputra, J., 著者
Eddebbar, Y., 著者
Berthet, S., 著者
Bopp, L., 著者
Buitenhuis, E., 著者
Butenschön, M., 著者
Christian, J.R., 著者
Dunne, J.P., 著者
Gröger, M., 著者
Hayashida, H., 著者
Hieronymus, J., 著者
Koenigk, T., 著者
Krasting, J.P., 著者
Long, M.C., 著者
Lovato, T., 著者
Nakano, H., 著者
Palmieri, J., 著者
Schwinger, J., 著者
Séférian, R., 著者Suntharalingam, P., 著者Tatebe, H., 著者Tsujino, H., 著者Urakawa, S., 著者Watanabe, M., 著者Yool, A., 著者 全て表示
所属:
1Ocean Biogeochemistry, Department Climate Variability, MPI for Meteorology, Max Planck Society, Bundesstraße 53, 20146 Hamburg, DE, ou_913556              

内容説明

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キーワード: -
 要旨: Ocean deoxygenation due to anthropogenic warming represents a major threat to marine ecosystems and fisheries. Challenges remain in simulating the modern observed changes in the dissolved oxygen (O2). Here, we present an analysis of upper ocean (0-700m) deoxygenation in recent decades from a suite of the Coupled Model Intercomparison Project phase 6 (CMIP6) ocean biogeochemical simulations. The physics and biogeochemical simulations include both ocean-only (the Ocean Model Intercomparison Project Phase 1 and 2, OMIP1 and OMIP2) and coupled Earth system (CMIP6 Historical) configurations. We examine simulated changes in the O2 inventory and ocean heat content (OHC) over the past 5 decades across models. The models simulate spatially divergent evolution of O2 trends over the past 5 decades. The trend (multi-model mean and spread) for upper ocean global O2 inventory for each of the MIP simulations over the past 5 decades is 0.03 ± 0.39×1014 [mol/decade] for OMIP1, −0.37 ± 0.15×1014 [mol/decade] for OMIP2, and −1.06 ± 0.68×1014 [mol/decade] for CMIP6 Historical, respectively. The trend in the upper ocean global O2 inventory for the latest observations based on the World Ocean Database 2018 is −0.98×1014 [mol/decade], in line with the CMIP6 Historical multi-model mean, though this recent observations-based trend estimate is weaker than previously reported trends. A comparison across ocean-only simulations from OMIP1 and OMIP2 suggests that differences in atmospheric forcing such as surface wind explain the simulated divergence across configurations in O2 inventory changes. Additionally, a comparison of coupled model simulations from the CMIP6 Historical configuration indicates that differences in background mean states due to differences in spin-up duration and equilibrium states result in substantial differences in the climate change response of O2. Finally, we discuss gaps and uncertainties in both ocean biogeochemical simulations and observations and explore possible future coordinated ocean biogeochemistry simulations to fill in gaps and unravel the mechanisms controlling the O2 changes. Copyright © 2023 Takano, Ilyina, Tjiputra, Eddebbar, Berthet, Bopp, Buitenhuis, Butenschön, Christian, Dunne, Gröger, Hayashida, Hieronymus, Koenigk, Krasting, Long, Lovato, Nakano, Palmieri, Schwinger, Séférian, Suntharalingam, Tatebe, Tsujino, Urakawa, Watanabe and Yool.

資料詳細

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言語: eng - English
 日付: 2023
 出版の状態: 出版
 ページ: -
 出版情報: -
 目次: -
 査読: 査読あり
 識別子(DOI, ISBNなど): DOI: 10.3389/fmars.2023.1139917
BibTex参照ID: Takano2023
 学位: -

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Project information

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Project name : CRESCENDO
Grant ID : 641816
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)
Project name : COMFORT
Grant ID : 820989
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)
Project name : ESM2025–Earth System Models for the Future
Grant ID : 101003536
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)
Project name : 4C
Grant ID : 821003
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)

出版物 1

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出版物名: Frontiers in Marine Science
種別: 学術雑誌
 著者・編者:
所属:
出版社, 出版地: Frontiers Media SA
ページ: - 巻号: 10 通巻号: 1139917 開始・終了ページ: - 識別子(ISBN, ISSN, DOIなど): ISSN: 22967745