2020 №2 (67) Article 16

Vodorezov A. V., Zaytsev D. G., Krivtsov V. A.

The Formation and Evolution of the Spassky Gully in Old Ryazan  P. 157-169.

UDC 551.4.07(470.313)

DOI 10.37724/RSU.2020.67.2.016

The investigation of the bottom sediments and the alluvial fans of the gully and the dating of artifacts found in occupation debris enable researchers to estimate when the Spassky gully (Old Ryazan) was formed and to assess the stages of its evolution. The gully was formed in the process of building a defensive wall and a moat in the northern part of the old town. In the late 11th century and after a considerable lapse of time in the late 12th century through the process of bottom erosion, the moat gradually turned into a gully. The third stage of its evolution is the period from 1732 to the late 19th century when the land was actively ploughed. By monitoring erosion and landslide activity in Old Ryazan in 1999-2019, the researchers managed to single out a period of increased landslide activity in 2017-2019, which can be accounted for by climatic changes in the region.

 

defensive wall; gully; erosion; slope of the Oka river valley; alluvial fans; landslides

 

 

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