LABORATORY STUDY INFLUENCE OF FLOW ON THAWING OF UNDERWATER SLOPES AND THE PACE COASTAL EROSION OF RIVERS, OCCURING IN THE PERMAFROST ZONE

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Abstract


In the RUDN hydraulic laboratory researches of destruction of an underwater and surface coastal slope in the conditions imitating a kriolitozona depending on type of the soil composing a slope and a bias corner are executed. It is shown that the speed of an erosion of an underwater slope lags behind the speed of thawing of frozen soil. Work of a water stream considerably exceeds influence of other factors (temperature, wind influence, solar radiation), leading to formation of niches of washing away. Work is continuation of a research of dynamics of a coastal slope of water objects in the conditions of a kriolitozona [1-4].

About the authors

V K Debolskiy

Russian Academy of Sciences Water Problems Institute

Email: vdebolsky@mail.ru
Gubkina str., 3, Moscow, Russia, 119333 professor, doctor of technical sciences, head of laboratory of “Channel flow dynamics and ice thermal conditions”, Russian academy of sciences Water problems institute. Research interests: hydraulics, engineering hydrology, hydrodynamics, water resources, hydrochemistry, ice thermal conditions

O Ya Maslikova

Russian Academy of Sciences Water Problems Institute

Email: oksana68@mail.ru
Gubkina str., 3, Moscow, Russia, 119333 Ph.D., senior researcher laboratory of “Channel flow dynamics and ice thermal conditions”, Russian academy of sciences Water problems institute. Research interests: hydraulics, engineering hydrology, ice thermal conditions

D N Ionov

Russian Academy of Sciences Water Problems Institute

Email: dima_ionov@mail
Gubkina str., 3, Moscow, Russia, 119333 Ph.D., engineer laboratory of “Channel flow dynamics and ice thermal conditions”, Russian academy of sciences Water problems institute. Research interests: hydraulics, engineering hydrology, ice thermal conditions

I I Gritsuk

Russian Academy of Sciences Water Problems Institute; Peoples’ Friendship University of Russia (RUDN University)

Email: gritsuk_ii@pfur.ru
Gubkina str., 3, Moscow, Russia, 119333; Miklukho-Maklaya str., 6, Moscow, Russia, 117198 Ph.D., associate arofessor of the department “Architecture and construction”, Engineering academy, Peoples’ Friendship University of Russia (RUDN University). Senior researcher laboratory of “Channel flow dynamics and ice thermal conditions”, Russian academy of sciences Water problems institute. Research interests: hydraulics, engineering hydrology, ice thermal conditions

N T Jumagulova

Moscow State University of Civil Engineering

Email: dnazira@rambler.ru
Yaroslavl highway, 26, Moscow, Russia, 129337 Ph.D., associate professor of department of “Hydraulic and hydraulic engineering”, Moscow State University of Civil Engineering (MGSU) National Research University. Research interests: hydraulics, water supply and sewerage

References

  1. Дебольская Е.И., Дебольский В.К., Грицук И.И., Масликова О.Я., Ионов Д.Н. Моделирование деформаций русел, сложенных мерзлыми породами, при повышении температуры окружающей среды. М.: Лед и Снег, 2013. № 1(121). С. 104-110.
  2. Котляков А.В., Грицук И.И., Масликова О.Я., Пономарев Н.К. Экспериментальное исследование влияния льдистости грунтов, слагающих русло рек, на динамику берегового склона. М.: Лед и Снег, 2011. № 2 (114). С. 92-98.
  3. Грицук И.И., Дебольский В.К., Масликова О.Я., Пономарев Н.К. Влияние осадков в виде дождя на деформации берегового склона русел рек в условиях многолетнемерзлых пород. М.: Лед и снег, 2012. № 3(119). С. 73-78.
  4. Масликова О.Я., Козлов Д.В. Влияние зимних и весенних условий на размыв рек в криолитозоне. М.: Природообустройство, 2014. № 1. С. 54-59.
  5. Хусаинова З.Р. Теоретическое исследование процессов термоэрозии и термокарста многолетнемерзлых пород: автореф. дисс. … канд. физ.-мат. наук. Уфа, 2007.
  6. Scott K.M. Effect of Permafrost on Stream Channel Behavior in Arctic Alaska, Geological Survey Proffessional Paper 1068, 1978, Library of Congress Catalog - card No. 78-600058.

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Copyright (c) 2017 Debolskiy V.K., Maslikova O.Y., Ionov D.N., Gritsuk I.I., Jumagulova N.T.

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