Map over research area (IMAGE) University of Gothenburg Caption Each square is a measuring location. The red stars are the leakage points and the dark blue area is danish economic zone where no measurement could be executed. Credit GIS-map Usage Restrictions None 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.