Lake Szurpily

Country:

Poland

Region:

Suwałki Lakeland.

Lake type:

glacial lake

Category: endogenic varves

Elevation:

183 m asl

Max depth:

46.2 m

Surface area:

0.81 km2

Catchment area:

11.14 km2

Length of record:

8410 years

Archive type:

lacustrine sediments

Author of images:

Malgorzata Kinder

Reference:

Kinder, M., Tylmann, W., Enters, D., Piotrowska, N., Poreba, G. & Zolitschka, B., 2013: Construction and validation of calendar-year time scale for annually laminated sediments – an example from Lake Szurpiły (NE Poland). GFF, 135: 248-257.

Link to reference or DOI:

http://dx.doi.org/10.1080/11035897.2013.785015


Site images

Panoramic view of Lake Szurpily. > max. resolution

Carbonaceous varves from Lake Szurpily dated to 7555 +/-92 cal. BP a the top. Flatbed scan of thin section scanned with polarised light (scale bar: 1 cm). > max. resolution

Radiography superimposed on a photography from Lake Szurpily after oxidation of the sediment surface (scale to the right in cm). The radiography was obtained with a vertical resolution of 400 µm on a split core half (radiated thickness: ~3 cm). Both images document the very well preserved record of annually laminated sediments. > max. resolution

Varve structures of four different depth intervals in Lake Szurpiły in Poland. All depth intervals document a similar varve composition: thicker and pale laminae are composed of calcite, whereas thinner and dark laminae are composed of organic matter and minerogenic detritus (varve couplets are indicated to the right by dark and white bars). Note the increasing varve thickness over time that result from changes in sediment accumulation rates during the Holocene. > max. resolution