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| --- | ||
| layout: default | ||
| title: About | ||
| group: "navigation" | ||
| --- | ||
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| <div class="hero-unit"> | ||
| <h1>PCMDI</h1> | ||
| <p>The Program for Climate Model Diagnosis and Intercomparison: furthering the understanding of climate change through model and observational analysis and community leadership</p><br> | ||
| <div class="row , visible-xs-block visible-s-block visible-md-inline-block"> | ||
| <div class="col-xs-4 col-md-4 "> | ||
| <img class="pull-left" src="{{site.baseurl}}/Data/media/images/pic.png" alt="..." paddling="1px" style="width:280px;height:228px;" > | ||
| </div> | ||
| <div class="col-xs-4 col-md-4"> | ||
| <img class="pull-left" src="{{site.baseurl}}/Data/media/images/pic2.png" alt="..." paddling="1px" style="width:280px;height:228px;"> | ||
| </div> | ||
| <div class="col-xs-4 col-md-4"> | ||
| <img class="pull-left" src="{{site.baseurl}}/Data/media/images/about2.png" alt="..." paddling="1px" style="width:280px;height:228px;"> | ||
| </div> | ||
| </div> | ||
| </div> | ||
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| PCMDI was established in 1989 at the Lawrence Livermore National Laboratory ([LLNL]), | ||
| located in the [San Francisco Bay Area][SF], California. PCMDI participants include | ||
| research and computer scientists at LLNL, other research laboratories, and universities. | ||
| The Regional and Global Model Analysis ([RGMA]) Program Area of the United States | ||
| Department of Energy's (DOE) Earth and Environmental Systems Modeling ([EESM]) | ||
| Program is the primary project funder. The EESM is a component of the Earth and | ||
| Environmental Systems Sciences Division ([EESSD]) which is within the Biological | ||
| and Environmental Research ([BER]) Program Office of the DOE's [Office of Science][OoS]. | ||
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| The PCMDI mission is to develop advanced methods and tools for diagnosis and intercomparison | ||
| to improve Global Climate (GCMs) and Earth System Models (ESMs). The need for innovative | ||
| analysis of ESM simulations is apparent as increasingly more complex models are | ||
| in development. At the same time, disagreements among these simulations relative | ||
| to observations and their predictions of climate change remain significant and | ||
| incompletely understood. Through PCMDI's efforts, ESMs will advance so that they | ||
| are capable of addressing the critical questions that policymakers and society | ||
| have about ongoing global and regional climate change. | ||
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| PCMDI's mission demands that we work on scientific projects and infrastructural | ||
| tasks. Our current scientific projects focus on developing | ||
| [ESM performance metrics][metrics], identifying robust [Cloud Feedbacks][cf] | ||
| in observations and models, devising robust statistical methods for climate change | ||
| [Detection and Attribution][DandA], and understanding ESM errors through a | ||
| [model parameterization testbed][mpt]. Examples of ongoing infrastructure tasks | ||
| include: 1) the development of [software and data standards][software] for model | ||
| intercomparison project (MIP) data management, data creation, and computation; | ||
| 2) the assembly/organization of observational data sets for model validation [obs4MIPs]; | ||
| 3) the assembly and curation of forcing data sets for ESMs [input4MIPs]; and 4) | ||
| the consistent documentation of [climate model features][cmf] across the numerous | ||
| eras of the Atmospheric Model Intercomparison Project (AMIP) and Coupled Model | ||
| Intercomparison Project (CMIP) phases. PCMDI is also incorporating the PCMDI metrics | ||
| Package ([PMP]) into the Coordinated Model Evaluation Capabilities ([CMEC]), a | ||
| platform for collective use of various diagnostics packages. CMEC aims to unify | ||
| model evaluation efforts across the EESM program. We describe details of PCMDI's | ||
| work in our [publications] and [research highlights][researchhighlights]. | ||
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| We are also applying our collective expertise to support modeling studies initiated | ||
| by the World Climate Research Programme ([WCRP]) and to contribution requests for | ||
| the Intergovernmental Panel on Climate Change [(IPCC) Assessment Reports][IPCC]. | ||
| PCMDI has been invited to contribute to every report from the First Assessment | ||
| (FAR) in 1990 to the most recent Sixth Assessment (AR6) published in August 2021. | ||
| Notably, we lead aspects of the Coupled Model Intercomparison Project, Phase 6 | ||
| ([CMIP6]). PCMDI is responsible for leading the WCRP Working Group on Coupled Modelling | ||
| ([WGCM]) Infrastructure Panel ([WIP]), which coordinates infrastructure support | ||
| for CMIP. This effort includes coordination with the Earth System Grid Federation | ||
| ([ESGF]) project, which stores and distributes petabyte-scale data sets from multiple | ||
| MIP phases. Extensive analysis of the latest CMIP6 simulations by the international | ||
| climate community anchored much of the scientific basis for the | ||
| [IPCC's Sixth Assessment Report on Climate Change][AR6], published in 2021/22. | ||
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| <div class="span12"> | ||
| <h3>Sponsors</h3> | ||
| <div class="span12"> | ||
| <div class="row"> | ||
| <div class="span3"> | ||
| <a target="_blank" href="http://energy.gov"> | ||
| <h4 class="muted">U.S. Department of Energy (DOE)</h4> | ||
| <img src="{{site.baseurl}}/Data/media/images/doe.svg" | ||
| alt="U.S. Department of Energy - logo" | ||
| class="thumbnail" | ||
| style="width:154px;height:128px;border:0px;"> | ||
| </a> | ||
| </div> | ||
| </div> | ||
| </div> | ||
| </div> | ||
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| ###### Document version: 21 April 2022 | ||
| [LLNL]: https://www.llnl.gov/ | ||
| [SF]: {{site.baseurl}}/location.html | ||
| [RGMA]: https://climatemodeling.science.energy.gov/program-area/regional-global-model-analysis | ||
| [EESM]: https://climatemodeling.science.energy.gov | ||
| [EESSD]: https://science.osti.gov/ber/Research/eessd | ||
| [BER]: https://www.energy.gov/science/ber/biological-and-environmental-research | ||
| [OoS]: https://www.energy.gov/science/office-science | ||
| [metrics]: {{site.baseurl}}/research/metrics/ | ||
| [cf]: {{site.baseurl}}/projects/cloud_feedbacks/index.html | ||
| [DandA]: {{site.baseurl}}/research/DandA/ | ||
| [mpt]: {{site.baseurl}}/projects/capt/ | ||
| [software]: {{site.baseurl}}/software/ | ||
| [obs4MIPs]: https://esgf-node.llnl.gov/projects/obs4mips/ | ||
| [input4MIPs]: https://esgf-node.llnl.gov/projects/input4mips/ | ||
| [cmf]: {{site.baseurl}}/projects | ||
| [PMP]: https://cmec.llnl.gov/pmp.html | ||
| [CMEC]: https://cmec.llnl.gov/ | ||
| [publications]: {{site.baseurl}}/publications.html | ||
| [researchhighlights]: {{site.baseurl}}/research/researchHighlights.html | ||
| [WCRP]: http://www.wcrp-climate.org/ | ||
| [IPCC]: https://www.ipcc.ch/reports/ | ||
| [CMIP6]: {{site.baseurl}}/CMIP6 | ||
| [WGCM]: https://www.wcrp-climate.org/wgcm-overview | ||
| [WIP]: https://www.wcrp-climate.org/wgcm-cmip/wip | ||
| [ESGF]: http://esgf.llnl.gov/ | ||
| [AR6]: https://www.ipcc.ch/report/ar6/wg1/#FullReport |
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