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Title: COMPARATIVE ANALYSIS LAKE AREA DISTRIBUTION WITHIN THERMOKARST PLAINS AND THERMOKARST PLAINS WITH FLUVIAL EROSION FOR THE NATURAL RISK ASSESSMENT
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COMPARATIVE ANALYSIS LAKE AREA DISTRIBUTION WITHIN THERMOKARST PLAINS AND THERMOKARST PLAINS WITH FLUVIAL EROSION FOR THE NATURAL RISK ASSESSMENT
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1314-2704
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English
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19
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1.2
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The theoretical analysis is based on the mathematical models of morphological patterns of the thermokarst plains and thermokarst plains with fluvial erosion in case of the ?synchronous start? of the thermokarst processes and little change of climate. The synchronous start means that the initial thermokarst depressions had appeared during a relatively short period and then only their size changed under thermos-abrasion or they disappeared due to their drainage by erosion streams (at the thermokarst plains with fluvial erosion). The analysis of the mathematical models gives the following results: lognormal distribution of the thermokarst lake areas should be typical for the thermokarst plains after a long development time: gamma distribution of the thermokarst lake areas should be typical for the thermokarst plains with fluvial erosion after a long development time. The empirical testing of the models was done for 34 key sites. The key sites situate at watershed plains, river and sea terraces within areas of either continuous or intermittent and island permafrost.
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 30 June - 6 July, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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113-120
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30 June - 6 July, 2019
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website
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cdrom
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5060
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Thermokarst plains; fluvial erosion; thermokarst lakes; mathematical morphology of landscapes; lognormal distribution; gamma distribution; natural hazard.
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