Who We Are
US CLIVAR is a national research program with a mission to foster understanding and prediction of climate variability and change on intraseasonal-to-centennial timescales, through observations and modeling with emphasis on the role of the ocean and its interaction with other elements of the Earth system, and to serve the climate community and society through the coordination and facilitation of research on outstanding climate questions.
Our Research
The ocean plays a key role in providing a major long-term "memory" for the climate system, generating or enhancing variability on a range of climatic timescales. Understanding the ocean's role in climate variability is therefore crucial for quantifying and harnessing the predictability inherent to the Earth system. US CLIVAR-led research has played a substantial role in advancing understanding of, and skill in predicting climate variability and change.
Science and Research Challenges

Subseasonal-to-
Seasonal Prediction

Decadal Variability
and Predictability

Climate Change

Climate and Extreme
Events

Polar Climate Changes

Climate and Marine
Carbon/Biogeochemistry

Climate at the Coasts
Announcements
2025 US CLIVAR Summit Report is Available
The recent US CLIVAR Summit included three plenary sessions and 13 breakouts on a range of pressing climate variability and change science topics.
October Newsgram is Available
Stay informed with the latest news, research highlights, webinars, data sets, meetings, funding, career opportunities, and jobs for the climate science community.
Mapping the surface wave field in two dimensions: New insights from SWOT
Villas Bôas, Marechal, and Bohé (2025) leverage data from SWOT’s Ka-band Radar Interferometer (KaRIn) to explore the first-ever two-dimensional (2D) maps of significant wave height (Hs) at kilometer-scale resolution.
September Newsgram is Available
Stay informed with the latest news, research highlights, webinars, data sets, meetings, funding, career opportunities, and jobs for the climate science community.
Upcoming Webinars
Phenomena, Observations, and Synthesis Webinar Series
Scott Doney, University of Virginia
This talk explores ocean-based removal techniques as part of a broader carbon dioxide removal (CDR) and decarbonization portfolio, and limitations of deployment at scale because of gaps in both scientific and engineering knowledge.
Usable Climate Risk Science Webinar Series
Brett Sanders, UC Irvine
Join us for the Usable Climate Risk Science webinar series, hosted by the US CLIVAR Working Group on Accelerating Research on the Scientific Foundations of Regional Climate Risk Information.