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Debris flooding magnitude estimation based on relation between dendrogeomorphological and meteorological records
ID
Novak, Andrej
(
Avtor
),
ID
Popit, Tomislav
(
Avtor
),
ID
Levanič, Tom
(
Avtor
),
ID
Šmuc, Andrej
(
Avtor
),
ID
Kaczka, Ryszard J.
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(4,31 MB)
MD5: E2333E0BE02D186201083C0C8D52C1EE
URL - Izvorni URL, za dostop obiščite
https://www.sciencedirect.com/science/article/pii/S0169555X20302750
Galerija slik
Izvleček
Debris floods are mass movement events which are usually triggered by intense short duration rainfall events. They often occur on alluvial fans in an alpine environment. Due to their sever geohazard potential they pose a serious threat to infrastructure and human life. To minimize their threat understanding of their past magnitude occurrence is crucial. Dendrogeomorphology has proven to be a highly useful method in studies of past slope mass movements. However, establishing magnitudes of past events has so far been based on indirect indicators, such as: spatial distribution of affected trees, characteristics of tree injures and sedimentological records. In this study we present a method that directly estimates the magnitudes of past debris flood events on an alluvial fan using dendrogeomorphological and meteorological data sets. The studied dendrogeomorphological data set is based on tree-ring series from 105 sampled trees (Picea abies, Abies alba and Larix decidua) growing on an active alluvial fan in a typical alpine environment of the Julian Alps in NW Slovenia. Based on sudden growth suppression thirteen debris flood events since 1903 were dated. Meteorological data from a nearby meteorological station was used to determine the exact triggering meteorological event for ten events. Comparing the I$_t$ index of affected trees and calculated return period of an individual triggering meteorological event established the magnitude of debris flooding. We showed that more trees are affected at high return period/intensity of the triggering meteorological event and therefore higher magnitudes of debris floods. This research presents the first combined use of dendrogeomorphological and meteorological data sets for magnitude estimation of historic debris flood events which could be successfully applied in similar environments.
Jezik:
Angleški jezik
Ključne besede:
debris flood
,
dendrogeomorphology
,
precipitation records
,
magnitude estimation
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
NTF - Naravoslovnotehniška fakulteta
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2020
Št. strani:
12 str.
Številčenje:
Vol. 367, art. 107303
PID:
20.500.12556/RUL-128699
UDK:
55
ISSN pri članku:
0169-555X
DOI:
10.1016/j.geomorph.2020.107303
COBISS.SI-ID:
20205315
Datum objave v RUL:
23.07.2021
Število ogledov:
828
Število prenosov:
196
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Geomorphology
Skrajšan naslov:
Geomorphology
Založnik:
Elsevier
ISSN:
0169-555X
COBISS.SI-ID:
9839621
Licence
Licenca:
CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:
To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Projekti
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Program financ.:
Young researchers
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P1-0195
Naslov:
Geookolje in geomateriali
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P4-0107
Naslov:
Gozdna biologija, ekologija in tehnologija
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