Comparison of bathymetric data sources used in hydraulic modelling of floods

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41330%2F19%3A77076" target="_blank" >RIV/60460709:41330/19:77076 - isvavai.cz</a>

Výsledek na webu

<a href="https://onlinelibrary.wiley.com/doi/full/10.1111/jfr3.12495" target="_blank" >https://onlinelibrary.wiley.com/doi/full/10.1111/jfr3.12495</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/jfr3.12495" target="_blank" >10.1111/jfr3.12495</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Comparison of bathymetric data sources used in hydraulic modelling of floods

Popis výsledku v původním jazyce

Topographic data plays an essential role in hydraulic modelling of floods. A highprecision digital elevation model (DEM) including river bathymetry (bed topography) is required. DEMs can be derived from such various data sources as ground surveying or remote sensing techniques. This study is focused on (a) the DEM error that results from the inability to scan the morphology of the channel using remote sensing methods, and (b) assessment of its impact on the results of a onedimensional (1D) hydraulic model. DEMs produced by remote sensing techniques were tested in combination with ground surveying and by software-updated remote sensing data. Differences in riverbed representation and thalweg position were evaluated. The 1D hydraulic model HEC-RAS was chosen to determine the impact of various DEM sources on the hydraulic quantities (water surface elevation, inundation area). The study was carried out on a reach of the River Vltava (Czech Republic). The best results were achieved by DEMs tha

Název v anglickém jazyce

Comparison of bathymetric data sources used in hydraulic modelling of floods

Popis výsledku anglicky

Topographic data plays an essential role in hydraulic modelling of floods. A highprecision digital elevation model (DEM) including river bathymetry (bed topography) is required. DEMs can be derived from such various data sources as ground surveying or remote sensing techniques. This study is focused on (a) the DEM error that results from the inability to scan the morphology of the channel using remote sensing methods, and (b) assessment of its impact on the results of a onedimensional (1D) hydraulic model. DEMs produced by remote sensing techniques were tested in combination with ground surveying and by software-updated remote sensing data. Differences in riverbed representation and thalweg position were evaluated. The 1D hydraulic model HEC-RAS was chosen to determine the impact of various DEM sources on the hydraulic quantities (water surface elevation, inundation area). The study was carried out on a reach of the River Vltava (Czech Republic). The best results were achieved by DEMs tha

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10503 - Water resources

Projekt

<a href="/cs/project/TJ01000132" target="_blank" >TJ01000132: Pokročilé zpracování dat leteckého laserového skenování za účelem schematizace vodních toků pro potřeby matematického modelování</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2019

Kód důvěrnosti údajů

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

Název periodika

Journal of Flood Risk Management

ISSN

1753-318X

e-ISSN

1753-318X

Svazek periodika

12

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

10

Strana od-do

1-10

Kód UT WoS článku

000485980500010

EID výsledku v databázi Scopus

2-s2.0-85054500332