Variability of River Runoff in Poland and Its Connection to Solar Variability

D Wrzesiński, L Sobkowiak, I Mares, V Dobrica… - Atmosphere, 2023 - mdpi.com
The aim of this research was to determine relationships between solar activity and variability
of discharges of three Central European rivers: the Vistula, Odra and Warta in Poland in the …

Discriminant analysis of the solar input on the Danube's discharge in the Lower Basin

C Mares, I Mares, V Dobrica, C Demetrescu - Atmosphere, 2023 - mdpi.com
This paper presents the extent to which the combination of extra-atmospheric and
hydroclimatic factors can be deciphered to record their contribution to the evolution and …

Analysis of the hemispheric sunspot number time series for the solar cycles 18 to 24

P Chowdhury, A Kilcik, V Yurchyshyn, VN Obridko… - Solar Physics, 2019 - Springer
In this article, we investigate temporal and periodic variations of the hemispheric sunspot
number using sunspot data from Kanzelhöhe Solar Observatory (KSO) for the time period of …

Assessing the solar variability signature in climate variables by information theory and wavelet coherence

I Mares, V Dobrica, C Mares, C Demetrescu - Scientific Reports, 2021 - nature.com
The present study aims to investigate the possible influence of solar/geomagnetic forcing on
climate variables, such as the drought index, Danube discharge and large-scale …

The Combined Effect of Atmospheric and Solar Activity Forcings on the Hydroclimate in Southeastern Europe

I Mares, V Dobrica, C Demetrescu, C Mares - Atmosphere, 2023 - mdpi.com
The purpose of this study was to analyze the influence of solar activity described by the
sunspot number (SSN) on certain terrestrial variables that might impact the Southeastern …

Selection of Optimal Palmer Predictors for Increasing the Predictability of the Danube Discharge: New Findings Based on Information Theory and Partial Wavelet …

I Mares, C Mares, V Dobrica, C Demetrescu - Entropy, 2022 - mdpi.com
The purpose of this study was to obtain synergistic information and details in the time–
frequency domain of the relationships between the Palmer drought indices in the upper and …

Solar Signature in Climate Indices

C Mares, V Dobrica, I Mares, C Demetrescu - Atmosphere, 2022 - mdpi.com
The influence of solar/geomagnetic activity on climate variables still remains a fully
unclarified problem, although many scientific efforts have been made to better understand it …

Multidecadal variability in the Nile River basin hydroclimate controlled by ENSO and Indian Ocean dipole

SH Mahmoud, TY Gan - Science of The Total Environment, 2020 - Elsevier
Climate change impacts on the hydroclimate of the Nile River Basin (NRB) tend to be
analyzed mostly based on short-term data and confined to a specific hydroclimate variable …

Impact of solar activity on precipitation in the United States

W Nitka, K Burnecki - Physica A: Statistical Mechanics and its Applications, 2019 - Elsevier
In this paper we analyze the relationship between the sunspot numbers and the average
monthly precipitation measured at meteorological stations in the US. The results indicate …

Comparative study of statistical methods to identify a predictor for discharge at Orsova in the Lower Danube Basin

I Mares, C Mares, V Dobrica… - Hydrological Sciences …, 2020 - Taylor & Francis
The aims of this study are to investigate the influence of large-scale atmospheric circulation
quantified by indices such as the North Atlantic Oscillation index (NAOI), the Greenland …