Convection-permitting modeling with regional climate models: Latest developments and next steps,WIREs Climate Change

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Convection-permitting modeling with regional climate models: Latest developments and next steps
WIREs Climate Change ( IF 9.4 ) Pub Date : 2021-08-16 , DOI: 10.1002/wcc.731
Philippe Lucas‐Picher ₁ , Daniel Argüeso ₂ , Erwan Brisson ₁ , Yves Tramblay ₃ , Peter Berg ₄ , Aude Lemonsu ₁ , Sven Kotlarski ₅ , Cécile Caillaud ₁

Affiliation

Approximately 10 years ago, convection-permitting regional climate models (CPRCMs) emerged as a promising computationally affordable tool to produce fine resolution (1–4 km) decadal-long climate simulations with explicitly resolved deep convection. This explicit representation is expected to reduce climate projection uncertainty related to deep convection parameterizations found in most climate models. A recent surge in CPRCM decadal simulations over larger domains, sometimes covering continents, has led to important insights into CPRCM advantages and limitations. Furthermore, new observational gridded datasets with fine spatial and temporal (~1 km; ~1 h) resolutions have leveraged additional knowledge through evaluations of the added value of CPRCMs. With an improved coordination in the frame of ongoing international initiatives, the production of ensembles of CPRCM simulations is expected to provide more robust climate projections and a better identification of their associated uncertainties. This review paper presents an overview of the methodology to produce CPRCM simulations and the latest research on the related added value in current and future climates. Impact studies that are already taking advantage of these new CPRCM simulations are highlighted. This review paper ends by proposing next steps that could be accomplished to continue exploiting the full potential of CPRCMs.

中文翻译：

区域气候模型允许对流建模：最新进展和后续步骤

大约 10 年前，允许对流的区域气候模型 (CPRCM) 成为一种有前途的计算上负担得起的工具，可以生成具有明确解析深度对流的高分辨率（1-4 公里）十年长气候模拟。预计这种明确表示将减少与大多数气候模型中发现的深对流参数化相关的气候预测不确定性。最近 CPRCM 十年模拟在更大的领域（有时覆盖大陆）激增，导致对 CPRCM 优势和局限性的重要见解。此外，具有精细空间和时间（~1 公里；~1 小时）分辨率的新观测网格数据集通过评估 CPRCM 的附加值利用了额外的知识。在正在进行的国际倡议框架内改进协调，预计 CPRCM 模拟集合的生产将提供更可靠的气候预测并更好地识别其相关的不确定性。这篇评论论文概述了生成 CPRCM 模拟的方法以及对当前和未来气候中相关附加值的最新研究。已经利用这些新的 CPRCM 模拟的影响研究被突出显示。这篇评论文章最后提出了下一步可以完成的步骤，以继续发挥 CPRCM 的全部潜力。这篇评论论文概述了生成 CPRCM 模拟的方法以及对当前和未来气候中相关附加值的最新研究。已经利用这些新的 CPRCM 模拟的影响研究被突出显示。这篇评论文章最后提出了下一步可以完成的步骤，以继续发挥 CPRCM 的全部潜力。这篇评论论文概述了生成 CPRCM 模拟的方法以及对当前和未来气候中相关附加值的最新研究。已经利用这些新的 CPRCM 模拟的影响研究被突出显示。这篇评论文章最后提出了下一步可以完成的步骤，以继续发挥 CPRCM 的全部潜力。

更新日期：2021-10-15

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