Del Vecchio in Arctic (IMAGE) Dartmouth College Caption Dartmouth researchers set out to understand why Arctic watersheds tend to have less river area than watersheds in warmer climates. First author Joanmarie Del Vecchio (pictured) conceived of the study while conducting fieldwork in Alaska after she hiked uphill from her riverside worksite and beheld a vista of sheer mountain slopes unbroken by rivers or streams. Credit Mulu Fratkin 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.