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Sensitivity of Pliocene climate simulations in MRI-CGCM2.3 to respective boundary conditions
http://hdl.handle.net/2241/00144171
http://hdl.handle.net/2241/001441718ff8f7a8-fc3d-4d1f-8d16-b6b0f04337cd
名前 / ファイル | ライセンス | アクション |
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CP_12-8 (2.1 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2016-10-24 | |||||
タイトル | ||||||
タイトル | Sensitivity of Pliocene climate simulations in MRI-CGCM2.3 to respective boundary conditions | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Kamae, Youichi
× Kamae, Youichi× Yoshida, Kohei× Ueda, Hiroaki |
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著者別名 |
釜江, 陽一
× 釜江, 陽一× 植田, 宏昭 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Accumulations of global proxy data are essential steps for improving reliability of climate model simulations for the Pliocene warming climate. In the Pliocene Model Intercomparison Project phase 2 (PlioMIP2), a part project of the Paleoclimate Modelling Intercomparison Project phase 4, boundary forcing data have been updated from the PlioMIP phase 1 due to recent advances in understanding of oceanic, terrestrial and cryospheric aspects of the Pliocene palaeoenvironment. In this study, sensitivities of Pliocene climate simulations to the newly archived boundary conditions are evaluated by a set of simulations using an atmosphere–ocean coupled general circulation model, MRI-CGCM2.3. The simulated Pliocene climate is warmer than pre-industrial conditions for 2.4 °C in global mean, corresponding to 0.6 °C warmer than the PlioMIP1 simulation by the identical climate model. Revised orography, lakes, and shrunk ice sheets compared with the PlioMIP1 lead to local and remote influences including snow and sea ice albedo feedback, and poleward heat transport due to the atmosphere and ocean that result in additional warming over middle and high latitudes. The amplified higher-latitude warming is supported qualitatively by the proxy evidences, but is still underestimated quantitatively. Physical processes responsible for the global and regional climate changes should be further addressed in future studies under systematic intermodel and data–model comparison frameworks. | |||||
書誌情報 |
Climate of the past 巻 12, 号 8, p. 1619-1634, 発行日 2016-08 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1814-9324 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.5194/cp-12-1619-2016 | |||||
権利 | ||||||
権利情報 | © Author(s) 2016. CC Attribution 3.0 License. | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | Copernicus Publications |