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On the issue of the factors of the collapse of the Kolka Glacier in 2002

К вопросу о факторах схода ледника Колка в 2002 году

On the issue of the factors of the collapse of the Kolka Glacier in 2002

Abstract

Выполнен анализ факторов, которые могли оказать влияние на катастрофическое развитие событий при сходе ледника Колка 20 сентября 2002 г. Основываясь на материалах многочисленных публикаций и приведенных в статье новых данных, авторы предлагают свою оценку и интерпретацию некоторых особенностей эндогенных и экзогенных процессов, происходивших в ущелье Колка. Выделены гравитационно-тектонические блоки в скальном массиве на правобережном склоне ледникового цирка Колка, к которым приурочены крупные обвалы льда и горных пород, наблюдавшиеся в 2002 г. Приведены доказательства эндогенной активности в долине р. Колка. Прослежены две системы разрывных нарушений, к пересечению которых приурочен участок проявления газовых извержений в днище ледникового цирка Колка. Установлено, что причиной формирования катастрофической ледово-каменной лавины в 2002 г. являются эндогенные факторы, а именно, взрыв газов и пара в тыловой части ледника Колка. The analysis of factors that could have influenced the catastrophic development of events during the descent of the Kolka glacier on September 20, 2002 was carried out. Based on numerous publications and the new data presented in the article, the authors offer their assessment and interpretation of some features of endogenous and exogenous processes occuring in the Kolka Gorge. Gravitational-tectonic blocks in the rock massif on the right-bank slope of the Kolka glacier cirque have been identified, which are associated with large collapses of ice and rocks observed in 2002. The evidence of endogenous activity in the Kolka River valley is presented. Two systems of discontinuous faults have been traced, the intersection of which is associated with the site of the manifestation of gas eruptions in the bottom of the Kolka glacier cirque. It has been established that the cause of the formation of a catastrophic ice-stone avalanche in 2002 is endogenous factors, namely, the explosion of gases and steam in the rear part of the Kolka glacier.

Keywords

гравитационно-тектонические блоки, active tectonic zones, Геналдонская катастрофа, gas eruptions, эндогенные и экзогенные процессы, ледово-каменная лавина, ice-stone avalanche, gravitational- tectonic blocks, ледник Колка, газовые извержения, Genaldon catastrophe, ice and rock collapses, Kolka glacier, активные тектонические зоны, endogenous and exogenous processes

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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