Naslov
Some experience on the prediction of suspended sediment concentrations and fluxes in Croatia

Autori
Petraš, Josip ; Kuspilić, Neven ; Kunštek, Duška

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of symposium S1 held during the Seventh IAHS Scientific Assembly at Foz do Iguacu / IAHS - Wallingford : IAHS Publ. 292, 2005, 179-184

Skup
IAHS General Assembly in Foz do Iguacu

Mjesto i datum
Foz do Iguaçu, Brazil, 03.04.2005. - 09.04.2005

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
catchment area; erosion processes; Gavrilovic’ s parametric method; GIS; suspended sediment

Sažetak
Botonega reservoir was constructed as a multi-purpose facility for flood control and for the storage of surface runoff for drinking water and irrigation. Because of the underlying flysch deposits and hilly terrain, soil erosion in the region is extensive. In order to assess the impact of erosion and sediment transport into the reservoir, soil erosion intensity, as well as sediment yields and transport, were estimated for the catchment. The initial evaluation was carried out according to Gavrilovic’ s parametric method, which is traditionally used in Croatia. During an 11-year period, hydrological surveys were conducted in the catchment. The calculated values generated using Gavrilovic's method are approximately 11 times higher than the measured quantities, and hence, appear unreliable. However, upon combining Gavrilovic’ s method with GIS technology, estimations of sediment production and transport, for the 11-year measurement period only exceeded the measured values by 37%. This leads to the conclusion that Gavrilovic’ s method, when used in conjunction with GIS technology, can produce reasonably accurate estimations.

Izvorni jezik
Engleski

Znanstvena područja
Građevinarstvo

POVEZANOST RADA