Trends of the hydrometeorological variables in the wider area of the Zagreb aquifer (CROSBI ID 694932)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Bačeković, Sara ; Rukavina, Dominik ; Kovač, Zoran
engleski
Trends of the hydrometeorological variables in the wider area of the Zagreb aquifer
The aim to this paper was to estimate trends of hydrometeorological variables in a different time scales in order to see whether it will generate an indication of the impact of climate change in the wider research area. Trends were estimated on a monthly and yearly basis for precipitation, air temperature, evapotranspiration and maximum water available for infiltration at meteorological station Pleso, and for Bregana River water levels at hydrological station Koretići. Both locations are important because they can show patterns that could be characteristic for the wider Zagreb area, and are associated with Zagreb aquifer recharge. Linear regression and t-test were used for trend estimation. Monthly analysis showed ascending trends for air temperature and evapotranspiration, especially in the summer months. Descending trends for Bregana River water levels were observed when minimum and average values were considered, while statistically significant ascending trend for maximum water levels was observed only for February. Yearly trends showed similar patterns. Moreover, it was shown that evaluation of trends only on a yearly basis can sometimes hide important information. All results suggest that more dry periods should be expected, while floods could be more frequent in February. Bigger difference between high and low waters, i.e. extremes, was observed, but the results were not statistically significant. Trends showed that smaller infiltration from precipitation and reduced inflow from Bregana River to Sava River will probably result with the smaller recharge to the Zagreb aquifer, what can potentially be result of a climate change.
trend ; hydrometeorological variable ; Zagreb aquifer ; linear regression
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Podaci o prilogu
77-97.
2020.
objavljeno
Podaci o matičnoj publikaciji
Mathematical methods and terminology in geology 2020
Malvić, Tomislav ; Barudžija, Uroš ; Bošnjak, Marija ; Sremac, Jasenka ; Velić, Josipa
Zagreb: Rudarsko-geološko-naftni fakultet Sveučilišta u Zagrebu ; Hrvatsko geološko društvo
978-953-6923-42-7
Podaci o skupu
3rd Croatian scientific congress about geomathematics and terminology in geology: Mathematical methods and terminology in geology 2020
predavanje
10.10.2020-10.10.2020
Zagreb, Hrvatska
Povezanost rada
Rudarstvo, nafta i geološko inženjerstvo