Utjecaj poljoprivredne aktivnosti na kakvoću podzemne vode varaždinskog aluvijalnog vodonosnika

master's thesis

• Title (english): Impact of agricultural activity on the quality of groundwater of the varaždin alluvial aquifer
• Author: Irena Debeljak
• Mentor: Mladen Juračić (mentor)
• Committee member: Mladen Juračić (predsjednik povjerenstva)
• Granter: University of Zagreb; Faculty of Science; (Department of Geology); Zagreb
• Defense date and country: 2018-02-21, Croatia
• Scientific / art field, discipline and subdiscipline: NATURAL SCIENCES; Geology; Geology and Paleontology

Abstract

Razvojem poljoprivrede pojavio se sve veći problem zagađenja pitkih podzemnih voda umjetnim i stajskim gnojem. U ovom diplomskom radu je pomoću prikupljenih postojećih geokemijskih podataka o kakvoći podzemne vode i podataka o kakvoći podzemne vode izmjerenih na terenu i laboratoriju utvrđeno imaju li poljoprivredne djelatnosti na varaždinskom području utjecaja na onečišćenje podzemnih voda nitratima. Prikupljeni su podaci o udjelu klorida, sulfata, ortofosfata, amonija, kisika, TOC, DOC, nitrita i nitrata u podzemnim vodama istraživanog područja te podaci o temperaturi i ph podzemne vode. Pomoću dobivenih rezultata obrađenih statističkim metodama utvrđeno je da su udjeli nitrata, nitrita i amonija u 2005. i 2006. godini prelazili MDK, dok u periodu od lipnja do rujna 2017. koncentracije nitrata i ortofosfata ukazuju na povišene, a ponekad i visoke koncentracije koje prelaze MDK.

Abstract (english)

With the development of agroculture the problems with poluted drinkable groundwaters, fertilizer and barn manure arose. With the help of existing geochemical data regarding the quality of groundwaters as well as data from the field and the laboratory, this theesis is establishing the fact if agrocultural activities in the Varaždin area have impact on the polution of groundwaters with nitrates. Gathered data include the amount of chlorides, sulphates, orthophosphates, ammonium, oxygen, TOC, DOC, nitrites and nitrates in the groundwaters of the researched area as well as data about the temperature and pH levels. Using the given information processed with statistical methods it has been found that the amounts of nitrates, nitrites and ammonium have exceeded the MDK in 2005 and 2006, while in the period between june and september 2017. the concentration of nitrates and orthophosphates show increased, and sometimes high concentrations which surpass the MDK.

• Keywords: nitrati; onečišćenje; podzemne vode; poljoprivreda
• Keywords (english): agriculture; groundwater; nitrates; pollution
• Language: croatian
• URN:NBN: urn:nbn:hr:217:820181
• Study programme: Title: Graduate university study of Environmental Geology; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra geologije (magistar/magistra geologije)
• Type of resource: Text
• File origin: Reformatted digital
• Access conditions: Open access
• Created on: 2018-03-01 09:51:17