NCAR CESM2-WACCM model output prepared for CMIP6 CMIP amip

Coupled Model Intercomparison Project Phase 6 (CMIP6) datasets: These data include all datasets published for 'CMIP6.CMIP.NCAR.CESM2-WACCM.amip' with the full Data Reference Syntax following the template 'mip_era.activity_id.institution_id.source_id.experiment_id.member_id.table_id.variable_id.grid_label.version'.

The CESM2-WACCM climate model, released in 2018, includes the following components:
aerosol: MAM4 (same grid as atmos), atmos: WACCM6 (0.9x1.25 finite volume grid; 288 x 192 longitude/latitude; 70 levels; top level 4.5e-06 mb), atmosChem: MAM4 (same grid as atmos), land: CLM5 (same grid as atmos), landIce: CISM2.1, ocean: POP2 (320 x 384 longitude/latitude; 60 levels; top grid cell 0-10 m), ocnBgchem: MARBL (same grid as ocean), seaIce: CICE5.1 (same grid as ocean).
The model was run by the National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, 1850 Table Mesa Drive, Boulder, CO 80305, USA (NCAR) in native nominal resolutions: aerosol: 100 km, atmos: 100 km, atmosChem: 100 km, land: 100 km, landIce: 5 km, ocean: 100 km, ocnBgchem: 100 km, seaIce: 100 km.

Project: These data have been generated as part of the internationally-coordinated Coupled Model Intercomparison Project Phase 6 (CMIP6; see also GMD Special Issue: http://www.geosci-model-dev.net/special_issue590.html). The simulation data provides a basis for climate research designed to answer fundamental science questions and serves as resource for authors of the Sixth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC-AR6).

CMIP6 is a project coordinated by the Working Group on Coupled Modelling (WGCM) as part of the World Climate Research Programme (WCRP). Phase 6 builds on previous phases executed under the leadership of the Program for Climate Model Diagnosis and Intercomparison (PCMDI) and relies on the Earth System Grid Federation (ESGF) and the Centre for Environmental Data Analysis (CEDA) along with numerous related activities for implementation. The original data is hosted and partially replicated on a federated collection of data nodes, and most of the data relied on by the IPCC is being archived for long-term preservation at the IPCC Data Distribution Centre (IPCC DDC) hosted by the German Climate Computing Center (DKRZ).

The project includes simulations from about 120 global climate models and around 45 institutions and organizations worldwide. - Project website: https://pcmdi.llnl.gov/CMIP6.

耦合模式比较计划第六阶段（Coupled Model Intercomparison Project Phase 6, CMIP6）数据集：本数据集涵盖所有以`CMIP6.CMIP.NCAR.CESM2-WACCM.amip`为标识发布的数据集，其完整数据参考语法遵循`mip_era.activity_id.institution_id.source_id.experiment_id.member_id.table_id.variable_id.grid_label.version`模板。

2018年发布的CESM2-WACCM气候模式包含以下组成模块：气溶胶模块：MAM4（与大气模块网格一致）；大气模块：WACCM6（0.9×1.25有限体积网格，经纬度分辨率为288×192，共70层，顶层气压为4.5×10^-6毫巴）；大气化学模块：MAM4（与大气模块网格一致）；陆面模块：CLM5（与大气模块网格一致）；陆冰模块：CISM2.1；海洋模块：POP2（经纬度分辨率为320×384，共60层，顶层网格单元水深范围0~10米）；海洋生物地球化学模块：MARBL（与海洋模块网格一致）；海冰模块：CICE5.1（与海洋模块网格一致）。

该模式由美国国家大气研究中心（National Center for Atmospheric Research, NCAR）气候与全球动力学实验室运营，办公地址为美国科罗拉多州博尔德市塔布尔梅萨大道1850号，邮编80305。各模块的原生标称分辨率如下：气溶胶模块：100千米，大气模块：100千米，大气化学模块：100千米，陆面模块：100千米，陆冰模块：5千米，海洋模块：100千米，海洋生物地球化学模块：100千米，海冰模块：100千米。

项目背景：本数据集作为国际协同推进的耦合模式比较计划第六阶段（CMIP6，详见《地球模式发展》（Geosciences Model Development, GMD）特刊：http://www.geosci-model-dev.net/special_issue590.html）的产出成果，其模拟数据可为解答核心科学问题的气候研究提供支撑，同时亦可作为政府间气候变化专门委员会第六次评估报告（Intergovernmental Panel on Climate Change Sixth Assessment Report, IPCC-AR6）撰写团队的参考资源。

CMIP6由耦合模式工作组（Working Group on Coupled Modelling, WGCM）统筹协调，隶属于世界气候研究计划（World Climate Research Programme, WCRP）。第六阶段依托此前由气候模式诊断与比较计划（Program for Climate Model Diagnosis and Intercomparison, PCMDI）主导完成的前期阶段成果，同时依托地球系统网格联盟（Earth System Grid Federation, ESGF）、环境数据分析中心（Centre for Environmental Data Analysis, CEDA）及众多相关配套活动完成项目实施。原始数据托管于分布式数据节点集群并实现部分副本存储，IPCC所依赖的绝大多数数据目前正由德国气候计算中心（German Climate Computing Center, DKRZ）运营的IPCC数据分发中心（IPCC Data Distribution Centre, IPCC DDC）进行长期归档保存。

该项目涵盖全球约120个全球气候模式的模拟试验，合作机构约45家。项目官方网站：https://pcmdi.llnl.gov/CMIP6。

搜集汇总

背景与挑战

背景概述

NCAR CESM2-WACCM模型为CMIP6项目'amip'实验生成的综合气候模拟数据，包含多组件（大气、海洋、陆地等）的全球高分辨率模拟结果，主要用于支持IPCC-AR6的气候研究。