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VARIABLITY OF VELOCITIES OF VERTICAL WATERCOURSE DEFORMATIONS OF PLAIN RIVERS UNDER CONDITIONS OF PRIILMEN LOWLAND (BY...
ISSN: 2686 - 8385
Publisher: author
VARIABLITY OF VELOCITIES OF VERTICAL WATERCOURSE DEFORMATIONS OF PLAIN RIVERS UNDER CONDITIONS OF PRIILMEN LOWLAND (BY...
Indexed in
Earth and Environmental Sciences
ARTICLE-FACTOR
1.3
Article Basics Score: 3
Article Transparency Score: 3
Article Operation Score: 3
Article Articles Score: 3
Article Accessibility Score: 3
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International Category Code (ICC):
ICC-0102
Publisher: Hydrosphere. Hazard Processes And Phenomena Scientific And..
International Journal Address (IAA):
IAA.ZONE/268642718385
eISSN
:
2686 - 8385
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Abstract
The well-known patterns of regressive erosion from the mouth to the sources of watercourses on the rivers of Priilmen'ya are performed discretely, since the basis of erosion (first the level of Sredne-Lovatsy (Privaldaysky) glacial lake, and then Lake Ilmen) is decreased over 12.5 thousand years from elevations of about 85 m to modern 18 m, stabilizing for a long time at elevations of 60, 40, 30 m. Comparison of the longitudinal profile of the Porusia River constructed from cartographic materials with supreme erosion cut profile calculated according to the formula N.I. Makkaveev showed that the profile of this river has not yet been sufficiently developed, although the excess of the edge of the valley above the bottom of the river in its middle course is 10-15 m. The correctness of the calculation of the erosion curve is confirmed by its coincidence with the longitudinal profile of the river Lovat', which exists for a longer time and ...
