The origin and evolution of Iskanderkul Lake in the western Tien Shan and related geomorphic hazards

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F17%3A10364427" target="_blank" >RIV/00216208:11310/17:10364427 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/86652079:_____/17:00480408

Výsledek na webu

<a href="http://dx.doi.org/10.1080/04353676.2017.1294347" target="_blank" >http://dx.doi.org/10.1080/04353676.2017.1294347</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1080/04353676.2017.1294347" target="_blank" >10.1080/04353676.2017.1294347</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The origin and evolution of Iskanderkul Lake in the western Tien Shan and related geomorphic hazards

Popis výsledku v původním jazyce

The origin and evolution of Iskanderkul Lake are studied in relation to geomorphic hazards within a broader area of interest. It is shown that the giant Kchazormech rockslide with its volume of masses of approximately 1 km3 entirely blocked the Iskanderdarja river valley, likely in the Middle Holocene, impounding thus the palaeolake of Iskanderkul. Geomorphological evidence indicated that the palaeolake suddenly decreased its volume by 83% and its areal extent by 65% and released 0.84 +- 0.1 km3 of water. The present-day Iskanderkul Lake is therefore considered as a remnant of a much larger palaeolake of Iskanderkul. Recent slope movements, incision and backward erosion of rockslide accumulation leading to the formation of a bypass gorge are documented. Current geomorphic hazards are outlined and the near-future evolution of Iskanderkul Lake is discussed with respect to the ongoing climate change suggesting a relatively low longevity of lakes in the Tien Shan.

Název v anglickém jazyce

The origin and evolution of Iskanderkul Lake in the western Tien Shan and related geomorphic hazards

Popis výsledku anglicky

The origin and evolution of Iskanderkul Lake are studied in relation to geomorphic hazards within a broader area of interest. It is shown that the giant Kchazormech rockslide with its volume of masses of approximately 1 km3 entirely blocked the Iskanderdarja river valley, likely in the Middle Holocene, impounding thus the palaeolake of Iskanderkul. Geomorphological evidence indicated that the palaeolake suddenly decreased its volume by 83% and its areal extent by 65% and released 0.84 +- 0.1 km3 of water. The present-day Iskanderkul Lake is therefore considered as a remnant of a much larger palaeolake of Iskanderkul. Recent slope movements, incision and backward erosion of rockslide accumulation leading to the formation of a bypass gorge are documented. Current geomorphic hazards are outlined and the near-future evolution of Iskanderkul Lake is discussed with respect to the ongoing climate change suggesting a relatively low longevity of lakes in the Tien Shan.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10508 - Physical geography

Projekt

<a href="/cs/project/LO1415" target="_blank" >LO1415: CzechGlobe 2020 - Rozvoj Centra pro studium dopadů globální změny klimatu</a><br>

Návaznosti

S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Geografiska Annaler, Series A: Physical Geography

ISSN

0435-3676

e-ISSN

—

Svazek periodika

99

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

16

Strana od-do

139-154

Kód UT WoS článku

000399603300004

EID výsledku v databázi Scopus

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