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Rapidly Evolving Controls of Landslides After a Strong Earthquake and Implications for Hazard Assessments

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F21%3A10421584" target="_blank" >RIV/00216208:11310/21:10421584 - isvavai.cz</a>

  • Result on the web

    <a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=4btCOT2VBY" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=4btCOT2VBY</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1029/2020GL090509" target="_blank" >10.1029/2020GL090509</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Rapidly Evolving Controls of Landslides After a Strong Earthquake and Implications for Hazard Assessments

  • Original language description

    Strong earthquakes, especially on mountain slopes, can generate large amounts of unconsolidated deposits, prone to remobilization by aftershocks and rainstorms. Assessing the hazard they pose and what drives their movement in the years following the mainshock has not yet been attempted, primarily because multitemporal landslide inventories are lacking. By exploiting a multitemporal inventory (2005-2018) covering the epicentral region of the 2008 Wenchuan Earthquake and a set of conditioning factors (seismic, topographic, and hydrological), we perform statistical tests to understand the temporal evolution of these factors affecting debris remobilizations. Our analyses, supported by a random-forest susceptibility assessment model, reveal a prediction capability of seismicrelated variables declining with time, as opposed to hydro-topographic parameters gaining importance and becoming predominant within a decade. These results may have important implications on the way conventional susceptibility/hazard assessment models should be employed in areas where coseismic landslides are the main sediment production mechanism on slopes.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10505 - Geology

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

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

Others

  • Publication year

    2021

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Geophysical Research Letters

  • ISSN

    0094-8276

  • e-ISSN

  • Volume of the periodical

    48

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    12

  • Pages from-to

    e2020GL090509

  • UT code for WoS article

    000612943500039

  • EID of the result in the Scopus database

    2-s2.0-85099404876