Natural site: lake. Lake bottom sampling during the 2018 drought. 9 palynological samples.
Data from the JURAQUAKE seismological network. This temporary network is currently composed of 6 seismic stations located north of Besançon and aims to record microseismicity in the area for research purpose.
Natural site: peat bog and lake. 9 palynological samples. Geographical coordinates in the center of the residual lake.
Natural site. Drilling border on the lake. 36 palynological samples.