Korelacijska analiza protoka i oborina u slivu rijeke Bednje i Plitvice

master's thesis

• Title (english): Correlation analysis of flow and precipitation in the Bednja and Plitvice river basins
• Author: Mihael Dubovečak
• Mentor: Hrvoje Meaški (mentor)
• Mentor: Dijana Oskoruš (pomoć pri izradi, neposredni voditelj)
• Committee member: Sanja Kovač (predsjednik povjerenstva)
• Committee member: Hrvoje Meaški (član povjerenstva)
• Committee member: Dijana Oskoruš (član povjerenstva)
• Committee member: Jelena Loborec (član povjerenstva)
• Committee member: Ranko Biondić (član povjerenstva)
• Granter: University of Zagreb; Faculty of Geotechnical Engineering; Varaždin
• Defense date and country: 2021-09-20, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Interdisciplinary Technical Sciences; Environmental Engineering

Abstract

U ovom radu opisane su karakteristike sliva rijeka Bednje i Plitvice. Ukratko su objašnjeni teorijski temelji hidroloških i statističkih pojmova i korelacijske veze između oborine (P) i otjecanja (Q). Podaci o oborinama i protoci s hidroloških postaja dobiveni su od strane Državnog hidrometeorološkog zavoda. Izvršena je osnovna statistička obrada skupova podataka za razdoblje od 1990. do 2019. godine. Protoci s hidroloških postaja i oborine s meteoroloških postaja nizvodno od hidroloških postaja korelirani su u razdoblju od 2000. do 2019. godine. Korelacijska veza između oborina i protoka prikazana je u dijagramu disperzije i izračunata je vrijednost Pearsonovog koeficijenta i vrijednosti koeficijenta determinacije R². Izračunate su vrijednosti srednje apsolutne pogreške (MAE), srednje kvadratne pogreške (MSE) i korijenske srednje kvadratne pogreške (RMSE). Na temelju izračunanih vrijednosti i rangiranja koeficijenata korelacije prema Roemer-Orapskoj skali, kategorizirani su korelacijski odnosi između oborina i protoka po jačini veze. Izdvojeni su odnosi kod kojih je prisutna jača korelacijska veza između oborina i protoka. Konačni rezultat ovog rada je izdvajanje meteoroloških postaja čiji su podaci oborina prihvatljivi u svrhu predviđanja protoka na hidrološkim postajama u slivu rijeke Bednje i Plitvice.

Abstract (english)

The characteristics of the Bednja and Plitvica River basins are described in this paper. The theoretical foundations of hydrological and statistical concepts and correlation analyses between precipitation (P) and runoff (Q) are briefly explained. Runoff and precipitation data from meteorological stations were obtained by the Croatian Meteorological and Hydrological Service. A basic statistical analysis of data for period from 1990 to 2019 has been done. Runoff from hydrological stations and precipitation from meteorological stations downstream of hydrological stations were correlated between 2000 and 2019. The correlation between precipitation and runoff is shown in the dispersion diagrams and Pearson coefficient and coefficient of determination R² values were calculated. The mean absolute errors (MAE), mean square errors (MSE) and the root mean square errors (RMSE) were calculated. Based on the values and ranking of correlation coefficients according to Roemer-Orapska scale, correlation between precipitation and runoff per connection strength are categorised. Relations with a stronger correlation link between precipitation and runoff are singled out. The result of this paper is the separation of meteorological stations where precipitation measurements are acceptable for the purposes of predicting runoff at hydrological stations in the basin of the Bednja and Plitvica Rivers.

• Keywords: Protok; oborine; sliv rijeke Bednje; sliv rijeke Plitvice; korelacijska analiza
• Keywords (english): Precipitation; runoff; Bednja River basin; Plitvice River basin; correlation analysis
• Language: croatian
• URN:NBN: urn:nbn:hr:130:262726
• Study programme: Title: Geoenvironmental Engineering; specializations in: Geoenvironmental Engineering, Environmental Management, Water Management; Course: Water Management; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra inženjer/ inženjerka inženjerstva okoliša (magistar/magistra inženjer/ inženjerka inženjerstva okoliša)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2021-10-28 09:07:58