Land Use Related Pareameters as an Input for the Estimation of Flood Characteristics in Small Catchments

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F13%3A00207987" target="_blank" >RIV/68407700:21110/13:00207987 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.5593/SGEM2013/BC3/S12.024" target="_blank" >http://dx.doi.org/10.5593/SGEM2013/BC3/S12.024</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.5593/SGEM2013/BC3/S12.024" target="_blank" >10.5593/SGEM2013/BC3/S12.024</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Land Use Related Pareameters as an Input for the Estimation of Flood Characteristics in Small Catchments

Popis výsledku v původním jazyce

The methodology for estimations of flood characteristics of small catchment is being developed at the Department of Irrigation, Drainage and Landscape Engineering. This methodology is supposed to be based on different catchment descriptors. It is considered that one descriptor will be expressed by land use related parameter. Several such parameters were selected for the detail analysis to get the data for the decision on the selection of the one most suitable for this purpose. In this paper, the model based analysis on the influence of land use related parameters on flood characteristics of small catchments is presented. The analysis was carried out using Gridded Surface Subsurface Hydrogogic Analysis (GSSHA) model. The catchment of Divišovský stream was used as the study area because it is an experimental site of the department which is well instrumented and thus there are calibration data available. The results show that interception parameters are not very suitable for given purpose. The main reason is that the model is very sensitive to a correct estimation of the parameter value in case of interception coefficient while in case of canopy storage capacity the influence on runoff characteristics is negligible. Other results were achieved by the analysis of Manning roughness coefficient which could be suitable for the methodology.

Název v anglickém jazyce

Land Use Related Pareameters as an Input for the Estimation of Flood Characteristics in Small Catchments

Popis výsledku anglicky

The methodology for estimations of flood characteristics of small catchment is being developed at the Department of Irrigation, Drainage and Landscape Engineering. This methodology is supposed to be based on different catchment descriptors. It is considered that one descriptor will be expressed by land use related parameter. Several such parameters were selected for the detail analysis to get the data for the decision on the selection of the one most suitable for this purpose. In this paper, the model based analysis on the influence of land use related parameters on flood characteristics of small catchments is presented. The analysis was carried out using Gridded Surface Subsurface Hydrogogic Analysis (GSSHA) model. The catchment of Divišovský stream was used as the study area because it is an experimental site of the department which is well instrumented and thus there are calibration data available. The results show that interception parameters are not very suitable for given purpose. The main reason is that the model is very sensitive to a correct estimation of the parameter value in case of interception coefficient while in case of canopy storage capacity the influence on runoff characteristics is negligible. Other results were achieved by the analysis of Manning roughness coefficient which could be suitable for the methodology.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

10501 - Hydrology

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

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

Rok uplatnění

2013

Kód důvěrnosti údajů

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

Název statě ve sborníku

13th International Multidisciplinaty Scientific Geoconference SGEM 2013, Water Resources. Forest, Marine and Ocean Ecosystems

ISBN

978-619-7105-02-5

ISSN

1314-2704

e-ISSN

—

Počet stran výsledku

8

Strana od-do

189-196

Název nakladatele

STEF92 Technology Ltd.

Místo vydání

Sofia

Místo konání akce

Albena

Datum konání akce

16. 6. 2013

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000366031900024