Changes in discharge regimes of rivers in Croatia

This paper presents the results of the first comprehensive national analysis of changes in discharge regimes of rivers in Croatia. Seven types of discharge regimes have been defined for rivers in Croatia. We analyzed the changes in discharge regimes of all types, comparing the standard period from 1...

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Main Authors: Ivan Čanjevac, Danijel Orešić
Format: Article
Language:English
Published: ZRC SAZU, Založba ZRC 2018-01-01
Series:Acta Geographica Slovenica
Subjects:
Online Access:https://ojs.zrc-sazu.si/ags/article/view/2004
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author Ivan Čanjevac
Danijel Orešić
author_facet Ivan Čanjevac
Danijel Orešić
author_sort Ivan Čanjevac
collection DOAJ
description This paper presents the results of the first comprehensive national analysis of changes in discharge regimes of rivers in Croatia. Seven types of discharge regimes have been defined for rivers in Croatia. We analyzed the changes in discharge regimes of all types, comparing the standard period from 1961 to 1990 with the most recent period from 1990 to 2009. We found evidence of a redistribution of discharge throughout the year, an increase in autumn and winter discharges (especially for rivers dominantly fed by snowmelt), and a decrease in summer discharge values. Furthermore, we detected a change in the month of the appearance of mean discharge maxima and minima. In most cases, the changes can be explained by changes in the regime of climate elements (temperature, precipitation, and evapotranspiration). The results are consistent with those from upstream countries; that is, Slovenia, Austria, and Bosnia and Herzegovina.
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spelling doaj.art-c85bcbc7d07349e4994e74b0d908e7362022-12-22T04:38:56ZengZRC SAZU, Založba ZRCActa Geographica Slovenica1581-66131581-83142018-01-015827–187–1810.3986/AGS.20041605Changes in discharge regimes of rivers in CroatiaIvan Čanjevac0Danijel Orešić1University of Zagreb, Faculty of Science, Department of GeographyUniversity of Zagreb, Faculty of Science, Department of GeographyThis paper presents the results of the first comprehensive national analysis of changes in discharge regimes of rivers in Croatia. Seven types of discharge regimes have been defined for rivers in Croatia. We analyzed the changes in discharge regimes of all types, comparing the standard period from 1961 to 1990 with the most recent period from 1990 to 2009. We found evidence of a redistribution of discharge throughout the year, an increase in autumn and winter discharges (especially for rivers dominantly fed by snowmelt), and a decrease in summer discharge values. Furthermore, we detected a change in the month of the appearance of mean discharge maxima and minima. In most cases, the changes can be explained by changes in the regime of climate elements (temperature, precipitation, and evapotranspiration). The results are consistent with those from upstream countries; that is, Slovenia, Austria, and Bosnia and Herzegovina.https://ojs.zrc-sazu.si/ags/article/view/2004geographyhydrologydischargeriver regimemodule coefficientscroatia
spellingShingle Ivan Čanjevac
Danijel Orešić
Changes in discharge regimes of rivers in Croatia
Acta Geographica Slovenica
geography
hydrology
discharge
river regime
module coefficients
croatia
title Changes in discharge regimes of rivers in Croatia
title_full Changes in discharge regimes of rivers in Croatia
title_fullStr Changes in discharge regimes of rivers in Croatia
title_full_unstemmed Changes in discharge regimes of rivers in Croatia
title_short Changes in discharge regimes of rivers in Croatia
title_sort changes in discharge regimes of rivers in croatia
topic geography
hydrology
discharge
river regime
module coefficients
croatia
url https://ojs.zrc-sazu.si/ags/article/view/2004
work_keys_str_mv AT ivancanjevac changesindischargeregimesofriversincroatia
AT danijeloresic changesindischargeregimesofriversincroatia