Soppensee

Country:

Switzerland

Lake type:

glacial lake

Category: endogenic varves

Elevation:

600 m asl

Max depth:

27 m

Surface area:

0.023 km2

Archive type:

lacustrine sediments

Author of images:

Andy Lotter

Reference:

Lotter, A.F. 2001: The palaeolimnology of Soppensee (Central Switzerland), as evidenced by diatom, pollen, and fossil-pigment analyses. Journal of Paleolimnology 25, 65-79.

Link to reference or DOI:

http://dx.doi.org/10.1023/A:1008140122230

Holocene calcite varves between 343-333 cm core depth from Soppensee core SO86-14, Switzerland taken at 27 m water depth in 1986 > max. resolution

Late-glacial siderite varves between 513-508 cm core depth from Soppensee core SO86-14, Switzerland taken at 27 m water depth in 1986 > max. resolution

Thin cut of PEG-impregnated late-glacial siderite varves from Soppensee core SO86-14. Spring/summer layers with diatoms and amorphous organic autumn/winter layers. > max. resolution

Thin cut of PEG-impregnated Holocene calcite varves from Soppensee core SO86-14. Autumn/winter layers with organic matter and chrysophyte cysts, spring layer with centric diatoms, and graded calcites during spring (coarse) and summer (fine). > max. resolution

Annual cycle of an organic varve from Soppensee, Switzerland, showing the diatom summer bloom layer and the detritic winter layer. Scanning electron microscope view (secondary electron mode) of a fresh sediment cut (scale bar: 40 µm). > max. resolution