The July 2015 Debris flow in Barsem, Western Pamir (GBAO) Tajikistan: Description and causes

Tajikistan is a landlocked country in the Central Asia republics of the former Soviet Union. Tajikistan is prone to many natural disasters. Most commonly in Tajikistan, mudflows occur in the South and North parts of the country. The 2015 Barsem mudflow caused significant damage to the entire village...

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Main Authors: Zafar Avzalshoev, Uchimura Taro
Format: Article
Language:English
Published: EDP Sciences 2023-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/52/e3sconf_dfhm82023_03003.pdf
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author Zafar Avzalshoev
Uchimura Taro
author_facet Zafar Avzalshoev
Uchimura Taro
author_sort Zafar Avzalshoev
collection DOAJ
description Tajikistan is a landlocked country in the Central Asia republics of the former Soviet Union. Tajikistan is prone to many natural disasters. Most commonly in Tajikistan, mudflows occur in the South and North parts of the country. The 2015 Barsem mudflow caused significant damage to the entire village, a territory of the Western Pamir Gorno-Badakhshan Autonomous Region (GBAO), Tajikistan; fortunately, no human casualties. The total volume of debris flow is about 4.9 million m3. Typically, precipitation above 15-20mm per day in arid areas causes mudflow. Accumulated water during the intensive melting of the glacier and snowfields was saturated with water by the moraine sediment blocking its paths (which served as a dam for the lake that formed). Several studies indicate that mudflow triggers excess pore pressure or liquefaction of the soil; consequently, sudden and high shear resistance losses eventually generate a mudflow [5][6]. Although mudflows and landslides occur annually, after the 2015 Barsem mudflow, it becomes clear that the intensity and frequency of new events are increasing. Consequently, the author strongly believes establishing and implementing an early warning system can be essential.
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spelling doaj.art-a0a51e18f82d4f6fa7b4b1190762b6c02023-08-21T09:02:37ZengEDP SciencesE3S Web of Conferences2267-12422023-01-014150300310.1051/e3sconf/202341503003e3sconf_dfhm82023_03003The July 2015 Debris flow in Barsem, Western Pamir (GBAO) Tajikistan: Description and causesZafar Avzalshoev0Uchimura Taro1PhD Candidate, Geotechnical and Geosphere Research Group: GREG, Saitama UniversityProfessor, Geotechnical and Geosphere Research Group: GREG, Saitama UniversityTajikistan is a landlocked country in the Central Asia republics of the former Soviet Union. Tajikistan is prone to many natural disasters. Most commonly in Tajikistan, mudflows occur in the South and North parts of the country. The 2015 Barsem mudflow caused significant damage to the entire village, a territory of the Western Pamir Gorno-Badakhshan Autonomous Region (GBAO), Tajikistan; fortunately, no human casualties. The total volume of debris flow is about 4.9 million m3. Typically, precipitation above 15-20mm per day in arid areas causes mudflow. Accumulated water during the intensive melting of the glacier and snowfields was saturated with water by the moraine sediment blocking its paths (which served as a dam for the lake that formed). Several studies indicate that mudflow triggers excess pore pressure or liquefaction of the soil; consequently, sudden and high shear resistance losses eventually generate a mudflow [5][6]. Although mudflows and landslides occur annually, after the 2015 Barsem mudflow, it becomes clear that the intensity and frequency of new events are increasing. Consequently, the author strongly believes establishing and implementing an early warning system can be essential.https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/52/e3sconf_dfhm82023_03003.pdf
spellingShingle Zafar Avzalshoev
Uchimura Taro
The July 2015 Debris flow in Barsem, Western Pamir (GBAO) Tajikistan: Description and causes
E3S Web of Conferences
title The July 2015 Debris flow in Barsem, Western Pamir (GBAO) Tajikistan: Description and causes
title_full The July 2015 Debris flow in Barsem, Western Pamir (GBAO) Tajikistan: Description and causes
title_fullStr The July 2015 Debris flow in Barsem, Western Pamir (GBAO) Tajikistan: Description and causes
title_full_unstemmed The July 2015 Debris flow in Barsem, Western Pamir (GBAO) Tajikistan: Description and causes
title_short The July 2015 Debris flow in Barsem, Western Pamir (GBAO) Tajikistan: Description and causes
title_sort july 2015 debris flow in barsem western pamir gbao tajikistan description and causes
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/52/e3sconf_dfhm82023_03003.pdf
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