The occurrence, mechanisms and hazards of large landslides along tablelands

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61988987%3A17310%2F24%3AA250394S" target="_blank" >RIV/61988987:17310/24:A250394S - isvavai.cz</a>

Výsledek na webu

<a href="https://www.nature.com/articles/s43017-024-00587-1" target="_blank" >https://www.nature.com/articles/s43017-024-00587-1</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1038/s43017-024-00587-1" target="_blank" >10.1038/s43017-024-00587-1</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The occurrence, mechanisms and hazards of large landslides along tablelands

Popis výsledku v původním jazyce

The largest terrestrial coalescent landslide areas of the Earth, spanning hundreds to thousands of square kilometres, occur along the fringes of relatively low-relief sedimentary and volcanic tablelands. However, difficulties in landslide recognition in these areas have led to underestimations of their frequency and likelihood. In this Review, we explore the global distribution, controls and dynamics of landslides occurring along tableland fringes. Landslide fringes are caused by the uninterrupted and extensive presence of weak sub-caprock lithologies below a more competent caprock. Topography, escarpment height and caprock thickness do not affect landslide size but can locally influence the type of displacement. Rotational landslides dominate most landslide fringes and will eventually lead to tableland consumption over million-year timescales. Some tableland rims can generate catastrophic long-runout rock avalanches or earthflows, which might in turn trigger tsunamis, river avulsion or outburst floods. Tablelands can also fail by slow (centimetre per year) landslide movements sufficient to cause damage to infrastructure. These hazards are increasing especially in high-latitude tablelands owing to cryosphere degradation, as observed in Western Greenland. A more detailed global inventory of landslide fringe activity is urgently needed to better quantify these potential hazards.

Název v anglickém jazyce

The occurrence, mechanisms and hazards of large landslides along tablelands

Popis výsledku anglicky

The largest terrestrial coalescent landslide areas of the Earth, spanning hundreds to thousands of square kilometres, occur along the fringes of relatively low-relief sedimentary and volcanic tablelands. However, difficulties in landslide recognition in these areas have led to underestimations of their frequency and likelihood. In this Review, we explore the global distribution, controls and dynamics of landslides occurring along tableland fringes. Landslide fringes are caused by the uninterrupted and extensive presence of weak sub-caprock lithologies below a more competent caprock. Topography, escarpment height and caprock thickness do not affect landslide size but can locally influence the type of displacement. Rotational landslides dominate most landslide fringes and will eventually lead to tableland consumption over million-year timescales. Some tableland rims can generate catastrophic long-runout rock avalanches or earthflows, which might in turn trigger tsunamis, river avulsion or outburst floods. Tablelands can also fail by slow (centimetre per year) landslide movements sufficient to cause damage to infrastructure. These hazards are increasing especially in high-latitude tablelands owing to cryosphere degradation, as observed in Western Greenland. A more detailed global inventory of landslide fringe activity is urgently needed to better quantify these potential hazards.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10508 - Physical geography

Projekt

<a href="/cs/project/GA23-07310S" target="_blank" >GA23-07310S: Největší rozsedání skalního masivu na Zemi: proč v aridní Patagonii?</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2024

Kód důvěrnosti údajů

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

Název periodika

Nature Reviews Earth & Environment

ISSN

2662-138X

e-ISSN

2662-138X

Svazek periodika

—

Číslo periodika v rámci svazku

10

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

15

Strana od-do

686-700

Kód UT WoS článku

001314210700001

EID výsledku v databázi Scopus

2-s2.0-85203966205