The sensitivity of dendrogeomorphic approaches to assessing landslide movements
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62690094%3A18470%2F19%3A50016037" target="_blank" >RIV/62690094:18470/19:50016037 - isvavai.cz</a>
Nalezeny alternativní kódy
RIV/67985891:_____/19:00511851 RIV/61988987:17310/19:A21027GE
Výsledek na webu
<a href="https://www.sciencedirect.com/science/article/pii/S0169555X19303587" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0169555X19303587</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.geomorph.2019.106869" target="_blank" >10.1016/j.geomorph.2019.106869</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
The sensitivity of dendrogeomorphic approaches to assessing landslide movements
Popis výsledku v původním jazyce
An understanding of past landslide behaviour is crucial for the estimation of future landslide activity. In this respect, methods of absolute dating are frequently used for landslide history assessment. Dendrogeomorphic (tree ring-based) approaches are standard methods for the spatio-temporal reconstruction of landslide activity with annual to even sub-annual resolution and timespans of several centuries (depending on the tree age). Nevertheless, the verification of the effectiveness, sensitivity and precision of these dendrogeomorphic approaches has not been addressed in more detail despite their wide spectrum of limitations. This study makes an assessment of tree ring-based chronologies of landslides based on a comparison with the independent data of past landslide activity from instrumental monitoring. The chronology of past landslide events was created from 528 tree ring series from 132 individuals of Norway spruce (Picea abies (L.) Karst.) growing on a monitored landslide in the Outer Western Carpathians (the Ondřejník Mt.) and was expressed as the yearly variation in the standard event-response index. The landslide was monitored at two sites via technical levelling (since 2007) and an automated wire extensometer (since 2014). The obtained results show a high sensitivity of reaction wood formation to movements on the order of several mm (e.g., the abrupt acceleration of movements in February 2017, as recorded by the extensometer).
Název v anglickém jazyce
The sensitivity of dendrogeomorphic approaches to assessing landslide movements
Popis výsledku anglicky
An understanding of past landslide behaviour is crucial for the estimation of future landslide activity. In this respect, methods of absolute dating are frequently used for landslide history assessment. Dendrogeomorphic (tree ring-based) approaches are standard methods for the spatio-temporal reconstruction of landslide activity with annual to even sub-annual resolution and timespans of several centuries (depending on the tree age). Nevertheless, the verification of the effectiveness, sensitivity and precision of these dendrogeomorphic approaches has not been addressed in more detail despite their wide spectrum of limitations. This study makes an assessment of tree ring-based chronologies of landslides based on a comparison with the independent data of past landslide activity from instrumental monitoring. The chronology of past landslide events was created from 528 tree ring series from 132 individuals of Norway spruce (Picea abies (L.) Karst.) growing on a monitored landslide in the Outer Western Carpathians (the Ondřejník Mt.) and was expressed as the yearly variation in the standard event-response index. The landslide was monitored at two sites via technical levelling (since 2007) and an automated wire extensometer (since 2014). The obtained results show a high sensitivity of reaction wood formation to movements on the order of several mm (e.g., the abrupt acceleration of movements in February 2017, as recorded by the extensometer).
Klasifikace
Druh
J<sub>imp</sub> - Článek v periodiku v databázi Web of Science
CEP obor
—
OECD FORD obor
10508 - Physical geography
Návaznosti výsledku
Projekt
<a href="/cs/project/GA19-01866S" target="_blank" >GA19-01866S: Staré sesuvy: skutečně neaktivní?</a><br>
Návaznosti
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Ostatní
Rok uplatnění
2019
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název periodika
Geomorphology
ISSN
0169-555X
e-ISSN
—
Svazek periodika
347
Číslo periodika v rámci svazku
Prosinec
Stát vydavatele periodika
NL - Nizozemsko
Počet stran výsledku
11
Strana od-do
"Article Number: UNSP 106869"
Kód UT WoS článku
000501658300001
EID výsledku v databázi Scopus
—