National Weather Center Colloquium

Land surface, clouds, aerosol at the Southern Great Plains: reflections on the past and looking to the future

Dr. Larry Berg
Pacific Northwest National Laboratory

17 February 2015, 4:00 PM

National Weather Center, Room 1313
120 David L. Boren Blvd.
University of Oklahoma
Norman, OK

Cumulus clouds play an important role in the Earth’s radiation budget and hydrologic cycle, but properly representing these clouds in regional and global models has remained a challenge. Over the past ten years, significant progress has been made in our understanding of the relevant feedbacks that impact the triggering and lifecycle of the clouds, such as variations in the land surface and soil moisture, boundary-layer heterogeneity, and cloud-aerosol interactions. Our increased understanding has led to new and better parameterizations of shallow clouds and an increased appreciation of their role in the climate system. The Department of Energy’s Atmospheric Radiation Measurement (ARM) and Atmospheric System Research (ASR) programs have played key roles in supporting this research. These programs are currently positioning themselves for new challenges through the creation of ARM Supersites that will provide new insights related to land-atmosphere exchange, its connection to clouds and precipitation, and dynamical and chemical processes occurring in clouds.

Speaker bio

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National Weather Center Colloquium Seminar Series website