schematic of study plan (IMAGE) DOE/Brookhaven National Laboratory Caption Using an aircraft outfitted with 55 atmospheric instrument systems, scientists traversed horizontal tracks above and through clouds and spiraled down through atmospheric layers to provide detailed measurements of aerosols and cloud properties. The aircraft data were supplemented by measurements made by ground-based radars and other instruments. 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 study. 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.