| jh250055 |
ReplicaEUJP: 異なる計算機環境における気候シミュレーション再現性に関する研究 |
| 課題代表者 |
八代 尚(国立研究開発機構国立環境研究所)
Hisashi YASHIRO
(National Institute for Enviromental Studies)
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| 概要 |
Climate change projections are critical for preparing and adapting to extreme weather patterns. This research enhances replicability in Earth System Models (ESMs), vital for initiatives like the Coupled Model Intercomparison Project (CMIP), where simulations occur across diverse computing environments. Current replicability methods show poor statistical power for subtle differences, limiting their effectiveness. We developed improved metrics and statistical tests to enhance sensitivity, achieving better resolution of model differences. As part of the HANAMI project, this study evaluates Japanese and European models on high-performance clusters, conducting extensive ensemble simulations. Results aim to strengthen statistical methodologies and foster international collaborative climate research.
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| 関連Webページ |
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| 報告書等 |
研究紹介ポスター
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最終報告書
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| 業績一覧 |
(1) 学術論文 （査読あり） |
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Kai R. Keller, Marta Alerany Solé, Mario Acosta, Replicability in Earth System Models, Geoscientific Model Development, 18 (24), 10221-10243
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| (2) 国際会議プロシーディングス （査読あり） |
| 該当なし |
| (3) 国際会議発表（査読なし） |
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Alerany Solé, M., Keller, K., Kodama, C., Nakano, M., Nasuno, T., Takasuka, D., and Acosta, M.: Replicability testing and scientific skill quantification in Earth System Models with pyhanami, EGU General Assembly 2026, Vienna, Austria, 3–8 May 2026, EGU26-6642, https://doi.org/10.5194/egusphere-egu26-6642, 2026
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Keller, K.: One workflow for all, HANAMI High-Level Symposium 2nd edition, Chamonix, Dec. 9-12, 2025
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Alerany Solé, M.: Evaluating the replicability and scientific skill of Earth System Models with pyhanami, HANAMI High-Level Symposium 2nd edition, Chamonix, Dec. 9-12, 2025
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Yashiro, H.: Recent progress in NICAM development in the era of HPC-AI convergence, HANAMI High-Level Symposium 2nd edition, Chamonix, Dec. 9-12, 2025
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Acosta, M.: HPC for Climate Modelling: Challenges and Opportunities at Exascale and Beyond, SCA/HPCAsia 2026, Osaka, Jan. 26-29, 2026
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| (4) 国内会議発表（査読なし） |
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Keller, K. R., Alerany Solé, M., Arriola, L., and Acosta, M.: Earth system model replicability - Statistical validation of a model's climate under a change of computing environment, Japan Geoscience Union Meeting 2025, Chiba, May 25-30, 2025
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Alerany Solé, M., Keller, K. R., Arriola, L., and Acosta, M.: Scalar metrics for evaluating the scientific skill of Earth System Models, Japan Geoscience Union Meeting 2025, Chiba, May 25-30, 2025 (Invited)
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| (5) 公開したライブラリなど |
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Keller, Kai; Alerany Solé, Marta, 2025, "HANAMI Replicability in Earth System Models dataset", https://doi.org/10.82201/FUWZLG, BSC Dataverse, V1
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| (6) その他（特許，プレスリリース，著書等） |
| 該当なし |
