38 citations · 226 across the 18 of their papers we have counts for
19 papers
Analysis of Large Geomagnetically Induced Currents During the 7-8 September 2017 Storm: Geoelectric Field Mapping
Anna Wawrzaszek, Agnieszka Gil, Renata Modzelewska +2
High temporal and high spatial resolution geoelectric field models of two Mäntsälä, Finnish pipeline GIC intervals that occurred within the 7-8 September, 2017 geomagnetic storm ha…
Temporal changes of near-surface air temperature in Poland for 1781-2016 and in Tbilisi (Georgia) for 1881-2016
R. Modzelewska, M. V. Alania, N. I. Kapanadze +1
Analyses of near-surface air temperature T in Poland for 1781-2016 and in Tbilisi (Georgia) for 1881-2016 have been carried out. We show that the centenary warming effect in Poland…
Recurrence of galactic cosmic rays intensity and anisotropy in solar minima 23/24 and 24/25 by ACE/CRIS, STEREO, SOHO/EPHIN and neutron monitors. Fourier and wavelet analysis. Dedicated to the Memory of Michael Alania
R. Modzelewska, A. Gil
Aims. We study the 27-day variations of galactic cosmic rays (GCRs) based on neutron monitor (NM), ACE/CRIS, STEREO and SOHO/EPHIN measurements, in solar minima 23/24 and 24/25 cha…
Quasi-periodic changes of three dimensional solar anisotropy of galactic cosmic rays for 1965-2014
R. Modzelewska, M. V. Alania
We study features of the 3D anisotropy of galactic cosmic rays (GCR) for 1965-2014. We analyze the 27-day variations of the 2D GCR anisotropy in the ecliptic plane, and the north-s…
Features of the Galactic Cosmic Ray Anisotropy in the Solar Cycle 24 and Solar Minima 23/24 and 24/25
R. Modzelewska, K. Iskra, W. Wozniak +2
We study the role of drift effect in the temporal changes of the anisotropy of galactic cosmic rays (GCRs) and the influence of the sector structure of the heliospheric magnetic fi…
Study of the 27-day variations in GCR fluxes during 2007-2008 based on PAMELA and ARINA observations
R. Modzelewska, G. A. Bazilevskaya, M. Boezio +11
Using measurements from the PAMELA and ARINA spectrometers onboard the RESURS DK-1 satellite, we have examined the 27-day intensity variations in galactic cosmic ray (GCR) proton f…
Numerical methods for solution of the stochastic differential equations equivalent to the non-stationary Parker's transport equation
A. Wawrzynczak, R. Modzelewska, M. Kluczek
We derive the numerical schemes for the strong order integration of the set of the stochastic differential equations (SDEs) corresponding to the non-stationary Parker transport equ…
Stochastic approach to the numerical solution of the non-stationary Parker's transport equation
A. Wawrzynczak, R. Modzelewska, A. Gil
We present the newly developed stochastic model of the galactic cosmic ray (GCR) particles transport in the heliosphere. Mathematically Parker transport equation (PTE) describing n…
A stochastic method of solution of the Parker transport equation
A. Wawrzynczak, R. Modzelewska, A. Gil
We present the stochastic model of the galactic cosmic ray (GCR) particles transport in the heliosphere. Based on the solution of the Parker transport equation we developed models…
27-day Variation of the Three Dimensional Solar Anisotropy of Galactic Cosmic Ray: 1965-2014
R. Modzelewska, M. V. Alania
The temporal evaluation of the 27-day variation of the three dimensional (3D) galactic cosmic ray (GCR) anisotropy has been studied for 1965-2014. 3D anisotropy vector was obtained…
Annual Variations of the Galactic Cosmic Ray Intensity and Seasonal Distribution of the Cloudless Days and Cloudless Nights in Abastumani (41.75oN, 42.82oE; Georgia): (1) experimental study and (2) theoretical modeling
M. V. Alania, G. G. Didebulidze, R. Modzelewska +2
We study a possible relationships between seasonal distributions of the visually observed cloudless days (CD) and cloudless nights (CN) at Abastumani Astrophysical Observatory (41.…
27-day variation of the GCR intensity based on corrected and uncorrected for geomagnetic disturbances data of neutron monitors
M. V. Alania, R. Modzelewska, A. Wawrzynczak +2
We study 27-day variations of the galactic cosmic ray (GCR) intensity for 2005- 2008 period of the solar cycle #23. We use neutron monitors (NMs) data corrected and uncorrected for…
Three dimensional solar anisotropy of galactic cosmic rays near the recent solar minimum 23/24
R. Modzelewska, M. V. Alania
Three dimensional (3D) galactic cosmic ray (GCR) anisotropy has been studied for 2006- 2012. The GCR anisotropy, both in the ecliptic plane and in polar direction, were obtained ba…
Dependence of the 27-Day Variation of Cosmic Rays on the Global Magnetic Field of the Sun
R. Modzelewska, M. V. Alania
We show that the higher range of the heliolongitudinal asymmetry of the solar wind speed in the positive polarity period (Apos) than in the negative polarity period (Aneg) is one o…
On the relationship of the 27-day variations of the solar wind velocity and galactic cosmic ray intensity in minimum epoch of solar activity
M. V. Alania, R. Modzelewska, A. Wawrzynczak
We study the relationship of the 27-day variation of the galactic cosmic ray intensity with similar changes of the solar wind velocity and the interplanetary magnetic field based o…
Pecularities of cosmic ray modulation in the solar minimum 23/24
M. V. Alania, R. Modzelewska, A. Wawrzynczak
We study changes of the galactic cosmic ray (GCR) intensity for the ending period of the solar cycle 23 and the beginning of the solar cycle 24 using neutron monitors experimental…
Modeling and experimental study of the 27-day variation of galactic cosmic-ray intensity for a solar-wind velocity depending on heliolongitude
M. V. Alania, R. Modzelewska, A. Wawrzynczak
We develop a three dimensional (3-D) model of the 27-day variation of galactic cosmic ray (GCR) intensity with a spatial variation of the solar wind velocity. A consistent, diverge…
On the 27-day Variations of Cosmic Ray Intensity in Recent Solar Minimum 23/24
R. Modzelewska, M. V. Alania
We have studied the 27-day variations and their harmonics of the galactic cosmic ray (GCR) intensity, solar wind velocity, and interplanetary magnetic field (IMF) components in the…
Diffusion coefficient and radial gradient of galactic cosmic rays
Renata Modzelewska
We present the temporal changes of the diffusion coefficient K of galactic cosmic rays (GCRs) at the Earth orbit calculated based on the experimental data using two different metho…