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Understanding the Earth System and its human relationships
Explore our work

CGD develops a critically needed understanding of the Earth System both as a coupled system and within each of its components: atmosphere, ocean, land, and ice (sea and land). The lab plays a key role as a leader of community-developed and community-owned models and the tools that are used to analyze and validate their accuracy against well-curated observational datasets.

Our work supports improved planning and responses to high-impact weather events, estimates of food production sustainability, effective management of water resources, and numerous other endeavours worth billions of dollars to the economy and essential for our national security.

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Research Sections

Our scientists pursue research as part of the National Center for Atmospheric Research (NCAR) and are broken up into focused sections.

Atmospheric Modeling & Predictability Section

Research focuses on increasing understanding of the atmosphere and its role in the Earth system, through modeling and observational studies, and to represent that understanding in improved atmospheric models.

CAS

Research focus is to increase understanding of the atmosphere through empirical studies and diagnostic analyses of the atmosphere and its interactions with the earth's surface and oceans on a wide range of time scales.

Earth System Predictability Section

Uses appropriate Earth system models to study the response of the Earth system to a variety of forcings, including changes in carbon dioxide, and other greenhouse gases and aerosols.

Oceanography Section

Research is understanding the large-scale ocean circulation and the dynamics of the Earth system through studies of the important processes in the ocean, in air-sea interaction, and in coupled systems

Paleo & Polar Section

Enhance the understanding of the workings of the Earth system through investigations of the past and the role of polar regions in Earth system variability and change

Terrestrial Sciences Section

Studies land-atmosphere interactions, in particular, surface forcing of the atmosphere, through model development, application, and observational analyses

Our Work

Our research focuses to increase our understanding of atmospheric and Earth system variability through parallel development and analysis of observational, assimilated, model-generated and model-forcing dataset

Datasets & Resources

Facilitates access to extensive collections of Earth system model output and observational datasets. These products are very popular with Earth system researchers, both in the United States and internationally.

Modeling

Developing innovative Earth system modeling capabilities, with the ultimate goal of providing accurate and computationally advanced representations of the fully coupled and integrated Earth system.

CESM Software Engineering Group

Works on CSEG code development efforts and project management issues on the CESM project

CGD Recent Publications

Jan 16, 2026

Toward realistic prognostic modeling of the methane chemical loss

Dec 11, 2025

The influence of short-lived halogens on atmospheric chemistry and climate

Dec 9, 2025

QuadTune version 1: a regional tuner for global atmospheric models

Dec 1, 2025

Evaluating the time of occurrence of selected global warming levels for CMIP5 and CMIP6 models

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EOL | Earth Observing Laboratory

HAO | High Altitude Observatory

MMM | Mesoscale & Microscale Meteorology

RAL | Research Applications Laboratory

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Postal Address:P.O. Box 3000, Boulder, CO 80307-3000•Shipping Address:3090 Center Green Drive, Boulder, CO 80301

This material is based upon work supported by the NSF National Center for Atmospheric Research, a major facility sponsored by the U.S. National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the U.S. National Science Foundation.

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