Fieldwork 2 (IMAGE) University of Alaska Fairbanks Caption In this image, Katey Walter Anthony, associate research professor at UAF, collects data samples from an arctic thermokarst lake. Credit UAF photo courtesy of Katey Walter Anthony Usage Restrictions The University of Alaska Fairbanks makes high-resolution photographs available to the news media for non-commercial uses only. All uses are for one-time, exclusive use in one publication or production only. Due credit will be given to the photographer whose name is provided. 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.