View of the Azores from DOE Gulfstream-1 (IMAGE) DOE/Brookhaven National Laboratory Caption Results from a study of clouds and aerosols conducted in the Azores revealed that new particles can seed the formation of clouds in the marine boundary layer--the atmosphere up to about a kilometer above Earth's surface--even over the open ocean, where the concentration of precursor gases was expected to be low. Credit Image courtesy of the U.S. Department of Energy Atmospheric Radiation Measurement (ARM) user facility. Usage Restrictions OK for use with stories about this research with credit to ARM. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.