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J. Parajka  - - - 
Top co-authors See all
A. Viglione

77 shared publications

Centre for Water Resource SystemsVienna University of Technology Vienna Austria

Silvia Kohnová

42 shared publications

Department of Land and Water Resources Management, Faculty of Civil Engineering STU, Bratislava, Slovakia

Mojca Šraj

33 shared publications

University of Ljubljana

J. Szolgay

31 shared publications

Department of Land and Water Resources Management, Faculty of Civil Engineering STU, Bratislava, Slovakia

K. Hlavčová

30 shared publications

Department of Land and Water Resources Management, Faculty of Civil Engineering STU, Bratislava, Slovakia

109
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Publication Record
Distribution of Articles published per year 
(2005 - 2019)
Total number of journals
published in
 
16
 
Publications See all
Article 0 Reads 1 Citation Modis Snowline Elevation Changes During Snowmelt Runoff Events in Europe Juraj Parajka, Nejc Bezak, John Burkhart, Bjarki Hauksson, L... Published: 01 March 2019
Journal of Hydrology and Hydromechanics, doi: 10.2478/johh-2018-0011
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This study evaluates MODIS snow cover characteristics for large number of snowmelt runoff events in 145 catchments from 9 countries in Europe. The analysis is based on open discharge daily time series from the Global Runoff Data Center database and daily MODIS snow cover data. Runoff events are identified by a base flow separation approach. The MODIS snow cover characteristics are derived from Terra 500 m observations (MOD10A1 dataset, V005) in the period 2000-2015 and include snow cover area, cloud coverage, regional snowline elevation (RSLE) and its changes during the snowmelt runoff events. The snowmelt events are identified by using estimated RSLE changes during a runoff event. The results indicate that in the majority of catchments there are between 3 and 6 snowmelt runoff events per year. The mean duration between the start and peak of snowmelt runoff events is about 3 days and the proportion of snowmelt events in all runoff events tends to increase with the maximum elevation of catchments. Clouds limit the estimation of snow cover area and RSLE, particularly for dates of runoff peaks. In most of the catchments, the median of cloud coverage during runoff peaks is larger than 80%. The mean minimum RSLE, which represents the conditions at the beginning of snowmelt events, is situated approximately at the mean catchment elevation. It means that snowmelt events do not start only during maximum snow cover conditions, but also after this maximum. The mean RSLE during snowmelt peaks is on average 170 m lower than at the start of the snowmelt events, but there is a large regional variability.
Article 0 Reads 0 Citations A large sample analysis of European rivers on seasonal river flow correlation and its physical drivers Theano Iliopoulou, Cristina Aguilar, Berit Arheimer, María B... Published: 07 January 2019
Hydrology and Earth System Sciences, doi: 10.5194/hess-23-73-2019
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The geophysical and hydrological processes governing river flow formation exhibit persistence at several timescales, which may manifest itself with the presence of positive seasonal correlation of streamflow at several different time lags. We investigate here how persistence propagates along subsequent seasons and affects low and high flows. We define the high-flow season (HFS) and the low-flow season (LFS) as the 3-month and the 1-month periods which usually exhibit the higher and lower river flows, respectively. A dataset of 224 rivers from six European countries spanning more than 50 years of daily flow data is exploited. We compute the lagged seasonal correlation between selected river flow signatures, in HFS and LFS, and the average river flow in the antecedent months. Signatures are peak and average river flow for HFS and LFS, respectively. We investigate the links between seasonal streamflow correlation and various physiographic catchment characteristics and hydro-climatic properties. We find persistence to be more intense for LFS signatures than HFS. To exploit the seasonal correlation in the frequency estimation of high and low flows, we fit a bi-variate meta-Gaussian probability distribution to the selected flow signatures and average flow in the antecedent months in order to condition the distribution of high and low flows in the HFS and LFS, respectively, upon river flow observations in the previous months. The benefit of the suggested methodology is demonstrated by updating the frequency distribution of high and low flows one season in advance in a real-world case. Our findings suggest that there is a traceable physical basis for river memory which, in turn, can be statistically assimilated into high- and low-flow frequency estimation to reduce uncertainty and improve predictions for technical purposes.
Article 0 Reads 0 Citations Joint editorial: Invigorating hydrological research through journal publications Nevil Quinn, Günter Blöschl, András Bárdossy, Attilio Castel... Published: 18 December 2018
Proceedings of the International Association of Hydrological Sciences, doi: 10.5194/piahs-380-3-2018
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Editors of several journals in the field of hydrology met during the General Assembly of the European Geosciences Union (EGU) in Vienna in April 2017. This event was a follow-up of similar meetings held in 2013 and 2015. These meetings enable the group of editors to review the current status of the journals and the publication process, and to share thoughts on future strategies. Journals were represented at the 2017 meeting by their editors, as shown in the list of authors. The main points on invigorating hydrological research through journal publications are communicated in this joint editorial published in the above journals.
Article 0 Reads 0 Citations Invigorating hydrological research through journal publications Nevil Quinn, Günter Blöschl, András Bárdossy, Attilio Castel... Published: 01 December 2018
Journal of Hydrology, doi: 10.1016/j.jhydrol.2018.08.079
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Article 0 Reads 0 Citations Joint editorial: Invigorating hydrological research through journal publications Nevil Quinn, Günter Blöschl, András Bárdossy, Attilio Castel... Published: 05 November 2018
Hydrology and Earth System Sciences, doi: 10.5194/hess-22-5735-2018
DOI See at publisher website ABS Show/hide abstract
Editors of several journals in the field of hydrology met during the General Assembly of the European Geosciences Union (EGU) in Vienna in April 2017. This event was a follow-up of similar meetings held in 2013 and 2015. These meetings enable the group of editors to review the current status of the journals and the publication process, and to share thoughts on future strategies. Journals were represented at the 2017 meeting by their editors, as shown in the list of authors. The main points on invigorating hydrological research through journal publications are communicated in this joint editorial published in the above journals.
Article 0 Reads 0 Citations Invigorating Hydrological Research through Journal Publications Nevil Quinn, Günter Blöschl, András Bárdossy, Attilio Castel... Published: 01 November 2018
Journal of Hydrometeorology, doi: 10.1175/jhm-d-18-0208.1
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