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EPCAPE Unveils Unprecedented Insights into Coastal Marine Clouds

EPCAPE's yearlong campaign has shed new light on coastal marine clouds. Its comprehensive data will help advance climate research and understanding.

The picture is taken on the shore. In the foreground there is a water body. In the center of the...
The picture is taken on the shore. In the foreground there is a water body. In the center of the picture there are ships, boat and other objects. In the background there are buildings, stones and dock. Sky is cloudy.

EPCAPE Unveils Unprecedented Insights into Coastal Marine Clouds

A yearlong campaign, the Eastern Pacific Cloud Aerosol Precipitation Experiment (EPCAPE), has concluded, yielding unprecedented insights into coastal marine clouds and their interaction with atmospheric aerosols. The research, led by Principal Investigator Lynn Russell, has provided a comprehensive understanding of these clouds' role in precipitation and climate regulation.

EPCAPE, designed to capture four seasons of data, focused on marine stratocumulus clouds, which reside in the lower troposphere and are sensitive to environmental changes. The campaign, involving 17 co-investigators from various institutions, was a resounding success, with more clouds and data than initially anticipated.

The research team likened the year's observations to a two-layer cake, with ocean-like influences at the surface and marine clouds higher up. EPCAPE collected comprehensive aerosol and cloud microphysical assays on Mount Soledad, three kilometers from the main site at Scripps Pier. The Department of Energy's Atmospheric Radiation Measurement (ARM) user facility provided key instrumentation, including one of its portable atmospheric observatories.

EPCAPE's yearlong observations have significantly advanced our understanding of coastal marine clouds and their role in precipitation. Most of the direct measurements are freely available for further research. The campaign's success underscores the importance of such targeted investigations in unraveling the complexities of Earth's climate system.

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