ECOR Utqiagvik ARM Site (IMAGE) DOE/Argonne National Laboratory Caption David Cook, a recently retired Argonne meteorologist, performs maintenance on an eddy correlation flux measurement tower, operated by the DOE-funded Atmospheric Radiation Measurement (ARM) program, in Utqia?vik, Alaska. The tower exemplifies one of several types of instrumentation used to generate the data in this study. Credit Argonne National Laboratory/Ryan Sullivan Usage Restrictions None 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.