Lake Biwa is the largest freshwater lake in Japan. Despite its central position in the Shiga Prefecture and its importance as a drinking water resource for the Kansai region, the noble-gas geochemistry of this inland water body has never been directly investigated.

On March 28th 2014 we collected water and sediment samples for noble-gas analysis form the deepest region of the lake basin. More pictures can be found under Expeditions.