Cold-air pooling (IMAGE) University of Vermont Caption Cold-air pooling is a phenomenon where cold air drops from mountaintops into valleys below. Photo: Melissa Pastore, U.S. Forest Service Credit Melissa Pastore, University of Vermont/U.S. Forest Service Usage Restrictions n/a License Original 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.