Cahnge in area and level of Lago Greve (IMAGE) Hokkaido University Caption The lake area (top) and lake level (bottom) dropped precipitously within the span of 4 months in 2020 (Shuntaro Hata, Shin Sugiyama, Kosuke Heki. Communications Earth & Environment. August 26, 2022). Credit Shuntaro Hata, Shin Sugiyama, Kosuke Heki. Communications Earth & Environment. August 26, 2022 Usage Restrictions This image is copyrighted but may be used to report this press release if credited as instructed. 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.