Crawford Lake

Country:

Canada

Lake type:

glacial lake

Category: endogenic varves

Elevation:

279 m asl

Length of record:

1000 years

Archive type:

lacustrine sediments

Author of images:

Matti Saarnisto

Reference:

Ekdahl, E.J., Teranes, J.L., Guilderson, T.P., Turton, C.L., McAndrews, J.H., Wittkop, C.A. & Stoermer, E.F., 2004. Prehistorical record of cultural eutrophication from Crawford Lake, Canada. Geology 32, 745–748.

Link to reference or DOI:

http://dx.doi.org/10.1130/G20496.1

John (Jock) McAndrews (University of Toronto) on the ice of Crawford Lake in January 1972 carrying an aluminium tube full of dry ice for the in situ freezing method. > max. resolution

Freeze core from Crawford Lake (January 1972) with calcareous varves. > max. resolution