Snow survey landscape (IMAGE) DOE/Los Alamos National Laboratory Caption Statistical models based on several seasons of field research on the distribution of snow in Alaska are leading to a deeper understanding of changing hydrology, topography and vegetation dynamics in the Arctic and sub-Arctic. Credit Los Alamos National Laboratory Usage Restrictions No restrictions. License Public Domain 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.