Sandvotni Lake in Southwestern Norway (image) Arizona State University Caption Scientist Laura Steger (University of Colorado) is sampling Sandvotni Lake in southwestern Norway. This lake receives elevated inputs of atmospheric N deposition due to transport of polluted air masses from northern Europe. Credit Photo credit: James Elser/ASU Usage Restrictions None 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.