Open AccessNatural ice in the debris flow basins of the Middle and Southern Sakhalin
Author(s) -
Svetlana Rybalchenko,
Константин Владимирович Верховов
Publication year - 2021
Publication title -
vodnoe hozâjstvo rossii: problemy, tehnologii, upravlenie/vodnoe hozâjstvo rossii : problemy, tehnologii, upravlenie
Language(s) - English
Resource type - Journals
eISSN - 2686-8253
pISSN - 1999-4508
DOI - 10.35567/1999-4508-2021-1-2
Subject(s) - debris flow , debris , geology , landslide , mudflow , structural basin , surface runoff , erosion , natural (archaeology) , hydrology (agriculture) , drainage basin , disturbance (geology) , geomorphology , snow , oceanography , geotechnical engineering , paleontology , geography , ecology , cartography , biology
The article deals with the ice mounds formation processes in the mudflow basins. Small natural frosts are widespread on the territory of Middle and Southern Sakhalin within the slope and small valley debris flow basins, along with dangerous slope exogenous processes (debris flows, landslides, erosion, etc.), often having a paragenetic nature of the current. The mechanism of ice data formation is due to the hydro/meteorological features of the territory, as well as disturbance of the thermal, hydrological or hydrogeological regime of the debris flow basin.The main reason for the formation of natural ice mounds in the valley debris flow basins isdisturbance of the hydrological regime of the catchment basin during debris flow formation,which mainly contributes to the annual solid runoff of first order watercourses. Scum of slopedebris flow basins are formed in case of violation of the thermal regime of the surface and soilof the debris flow basin due to climatic anomalies, as well as damage to natural heat-insulatingcoverings: snow and soil-vegetable. It is also possible to form sloping ice as a result of a violationof the hydrogeological regime of the catchment basin under anthropogenic impact or thedevelopment of dangerous exogenous slope processes with a sufficient depth of rock capture.Cryogenic processes of ice formation affect debris flow and channel processes.