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Hydrological characteristics of the Drava River in Croatia


Tadić, Lidija; Brleković, Tamara
Hydrological characteristics of the Drava River in Croatia // The Drava River Environmental Problems and Solutions / Lóczy, Dénes (ur.).
Heidelberg: Springer International Publishing, 2019. str. 79-90 doi:10.1007/978-3-319-92816-6


Naslov
Hydrological characteristics of the Drava River in Croatia

Autori
Tadić, Lidija ; Brleković, Tamara

Vrsta, podvrsta i kategorija rada
Poglavlja u knjigama, znanstveni

Knjiga
The Drava River Environmental Problems and Solutions

Urednik/ci
Lóczy, Dénes

Izdavač
Springer International Publishing

Grad
Heidelberg

Godina
2019

Raspon stranica
79-90

ISBN
978-3-319-92815-9

Ključne riječi
Water level, discharge, flood, low water, human impact, backwater effect

Sažetak
The Drava River is one of the biggest right- bank tributary of the Danube River and one of the most important rivers in continental Croatia. Its great environmental value is in conflict with its economic potential in hydroelectricity, navigation and irrigation. During the history many hydraulic structures were constructed on the river and caused changes in its hydrological regime. In addition, in the early 1980s, climate change manifested in less precipitation and higher air temperature became more evident. A hydrological analysis of the Croatian section of the Drava River pointed out the the consequences of both trends. There are three different sections of the Drava River: - the upstream section dependent on dam constructions ; - the middle part which is influenced by the tributaries and - the lower section under the influence of the Danube River backwater. Analyses of water level and discharge time series between 1960 and 2015 were made for five hydrological gauging stations in Croatia. All characteristic minimum, average and maximum values of these two parameters have shown a decreasing trend with two exceptions in the most upstream part of the river where three dams were constructed. Extreme hydrological events, floods and droughts were also analyzed. High water levels, which were a great threat in the past, are better controlled by dykes today, but they still endanger the area along the confluence of the Drava and Mura and the lowermost section due to the backwater effect of the Danube River. Droughts or periods of low discharges are becoming a more and more serious problem in the last 15 years, but, according the standardized streamflow index for detected drought severity, there is no clear increasing trend in drought frequency.

Izvorni jezik
Engleski

Znanstvena područja
Građevinarstvo, Geografija



POVEZANOST RADA


Ustanove
Građevinski i arhitektonski fakultet Osijek

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