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Identification of river Sava temperature influence on groundwater temperature of the Zagreb and Samobor-Zaprešić aquifer as a part of shallow geothermal potential (CROSBI ID 259672)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Kapuralić, Josipa ; Posavec, Kristijan ; Kurevija, Tomislav ; Macenić, Marija Identification of river Sava temperature influence on groundwater temperature of the Zagreb and Samobor-Zaprešić aquifer as a part of shallow geothermal potential // Rudarsko-geološko-naftni zbornik, 33 (2018), 5; 59-69. doi: 10.17794/rgn.2018.5.6

Podaci o odgovornosti

Kapuralić, Josipa ; Posavec, Kristijan ; Kurevija, Tomislav ; Macenić, Marija

engleski

Identification of river Sava temperature influence on groundwater temperature of the Zagreb and Samobor-Zaprešić aquifer as a part of shallow geothermal potential

Based on the statistical analysis of the time series of data, the infl uence of the change of the Sava River temperature on the changes of the groundwater temperature of the Zagreb and Samobor-Zaprešić aquifers is described. In the analysis, data was used from daily measurements of the Sava River temperature and from the quarterly measurements of the groundwater temperature. Statistical methods of correlation and linear regression were applied and the maximum, mean and minimum groundwater temperatures were analysed. The obtained results are presented in the form of statistical parameters, diagrams and maps of isotherms. This da ta is indispensable for the development of shallow geothermal applications related to open loop groundwater heat pump systems. Since the effi ciency of a heat pump is directly dependent on the source temperature, the presented analyses are necessary for a prefeasibility study of geothermal projects and a comparison between diff erent designs. Furthermore, currently operating projects in the Zagreb and Samobor-Zaprešić area are systematically elaborated, giving a fi rst approximation of energy consumption from this renewable energy resource.

shallow geothermal energy, groundwater temperature, open loop heat pumps

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Podaci o izdanju

33 (5)

2018.

59-69

objavljeno

0353-4529

10.17794/rgn.2018.5.6

Povezanost rada

Rudarstvo, nafta i geološko inženjerstvo

Poveznice
Indeksiranost