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MASS FORMATION OF DEBRIS-FLOWS IN THE LOW MOUNTAINS OF SAKHALIN ISLAND: CONDITIONS AND REPEATABILITY
ISSN: 2686 - 8385
Publisher: author
MASS FORMATION OF DEBRIS-FLOWS IN THE LOW MOUNTAINS OF SAKHALIN ISLAND: CONDITIONS AND REPEATABILITY
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/268642518385
eISSN
:
2686 - 8385
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Abstract
In the debris-flows basins of the Southern and Middle part of Sakhalin island are formed debris-flows, mudflows, slushflow and suspended stream. Average volumes of debris-flows: 500 - 10 000 m3, maximum-more than 500 000 m3. In July-October, periods of mass formation of debris-flows and mudflows are repeated from 1 time in 3-5 years to 1 time in 10-12 years. These periods last from 1 to 3-5 days. These periods occur during deep cyclones (when more than 50 mm of precipitation falls per day). During these periods some hundreds of debris-flows and mudflows form in most mud basins. For example, during the passage of typhoons "Ojin" and "Phyllis" on August 3-5, 1981 on the South-Western coast of Sakhalin Island, 154 debris-flows and mudflows with a volume of up to 12 thousand m3 descended on a section 55 km long. At the same time, 55 debris-flows and mudflows with a volume of up to 35 thousand m3 descended on the South-Eastern coast of Sak...
