Abstrakt
The Tunguska event (TE) in 1908 damagedover 2,000 km2 of Siberian taiga in the Evenkiysky District, Russia. Although the nature of the Tunguska impactoris not known, variousimprints of theexplosion arepreservedin nature archives such as tree rings, peat,or lake sediments [e.g., 1, 2, 3, 4].We investigated sediments of Suzdalevo Lake (60°39'29.05"N, 102° 3'3.36"E) which is located inside the former tree damage area.
According to oral testimony of local Evenki people[Evgeniya Karnouchova, pers. comm.], the origin of the water body is related to the TE, however, no other evidence of its age or process of its formation is available. In our study, we focused not only on the age of Suzdalevo Lake, but also on reconstructing environmental changes caused by the event.
So far, this issue has been studied only in terms of the forest damage and the extent of forest fires [5, 6], but data on TE-related changes in water ecosystems are missing