Object's details: Application of geospatial technologies in constructing a flash flood warning model in northern mountainous regions of Vietnam: a case study at TrinhTuong commune, Bat Xat district, LaoCai province

Provider:Akademicka Platforma Czasopism

Description

Title:
Application of geospatial technologies in constructing a flash flood warning model in northern mountainous regions of Vietnam: a case study at TrinhTuong commune, Bat Xat district, LaoCai province
Creator:
Lap Kieu, Quoc;
Van Tran, Duc
Description:
The model was constructed based on GIS spatial analyses, combined with Analytic Hierarchy Process (AHP) and Multi-Criterion Analysis method (MCA). The data gathered for the study were mainly from remote-sensing images, statistical data and surveys. Field experiments were conducted in Trinh Tuong Commune, Bat Xat District, Lao Cai province. This is a typical remote mountainous region of Vietnam in which flash floods often occur. The study analyzes and evaluates six primary factors that incite flash flood, namely: geomorphological characteristics, soil properties, forest and fractional vegetation cover types, local drainage basin slopes, maximum average rainfall of various years, and the river/stream density of the region. The zoning map showing flash flood potentials has determined that 19.91% of the area had an extremely high risk of flash flood occurrence, 64.92% of the area had a medium risk, and 15.17% had a low or very low risk. Based on the employment of daily maximum rainfalls as the primary factor, an online flash flood warning model was constructed for areas with a “high” or “very high” risk of flash flood occurrence.
Object availability:
free access
Rights: https://creativecommons.org/licenses/by-nd/4.0 ;
Prawa autorskie (c) 2021 Bulletin of Geography. Physical Geography Series
Date:
2021.08.06
Type:
info:eu-repo/semantics/article;
info:eu-repo/semantics/publishedVersion
Language:
English
Source:
Bulletin of Geography. Physical Geography Series; No. 20 (2021); 31-43;
Bulletin of Geography. Physical Geography Series; Nr 20 (2021); 31-43;
2300-8490;
2080-7686
Format:
application/pdf
Publisher:
Uniwersytet Mikołaja Kopernika w Toruniu
Relation: https://apcz.umk.pl/BOGPGS/article/view/34939/30293
Subject:
Geospatial technologies;
flash flood;
warning model;
natural disaster;
mountainous region.
Identifier: https://apcz.umk.pl/BOGPGS/article/view/34939
Data provider:
Akademicka Platforma Czasopism

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Object's details: Application of geospatial technologies in constructing a flash flood warning model in northern mountainous regions of Vietnam: a case study at TrinhTuong commune, Bat Xat district, LaoCai province

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