<abstract xmlns="http://www.w3.org/1999/xhtml"><p>An initial step in flood hazard mapping is hydrological modelling. We present a recent river flood modelling approach in Bosnia and Herzegovina (BiH) for small ungauged catchments of drainage area up to 32 km<sup>2</sup>. To estimate peak flow of required probability in small catchments, we use the rational method. The paper focus is GIS based procedure for producing the runoff coefficient map for BiH from the DTM and land cover map. For validation of the peak flow modelling results in small ungauged catchments we use diagrams of peak flow per catchment area (specific runoff) versus catchment area in medium and large gauged catchments. The results indicate agreement in specific runoff for 100 and 500 years return period compared to reference runoff in gauged catchments and a mild drop in specific runoff for 20 years.</p></abstract>

An initial step in flood hazard mapping is hydrological modelling. We present a recent river flood modelling approach in Bosnia and Herzegovina (BiH) for small ungauged catchments of drainage area up to 32 km2. To estimate peak flow of required probability in small catchments, we use the rational method. The paper focus is GIS based procedure for producing the runoff coefficient map for BiH from the DTM and land cover map. For validation of the peak flow modelling results in small ungauged catchments we use diagrams of peak flow per catchment area (specific runoff) versus catchment area in medium and large gauged catchments. The results indicate agreement in specific runoff for 100 and 500 years return period compared to reference runoff in gauged catchments and a mild drop in specific runoff for 20 years.

GIS Based Flood Flow Assessment in Small Catchments for Flood Mapping in Bosnia and Herzegovina

Faculty of Civil Engineering and Architecture

Ovidius University Annals of Constanta - Series Civil Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

An initial step in flood hazard mapping is hydrological modelling. We present a recent river flood modelling approach in Bosnia and Herzegovina (BiH) for small...

GIS Based Flood Flow Assessment in Small Catchments for Flood Mapping in Bosnia and Herzegovina

Pubblicato online: 23 feb 2019

Pagine: 111 - 118

DOI: https://doi.org/10.2478/ouacsce-2018-0013

Parole chiave
rational method, runoff coefficient map, slope map, ungauged catchment

© 2018 Borislava Blagojević et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

GIS Based Flood Flow Assessment in Small Catchments for Flood Mapping in Bosnia and Herzegovina

Pubblicato online: 23 feb 2019

Pagine: 111 - 118

DOI: https://doi.org/10.2478/ouacsce-2018-0013

Parole chiaverational method, runoff coefficient map, slope map, ungauged catchment

© 2018 Borislava Blagojević et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
rational method, runoff coefficient map, slope map, ungauged catchment