Results 21 to 30 of about 1,274 (195)

Impacts of Extreme Space Weather Events on September 6th, 2017 on Ionosphere and Primary Cosmic Rays

Remote Sensing, 2023
The strongest X-class solar flare (SF) event in 24th solar cycle, X9.3, occurred on 6 September 2017, accompanied by earthward-directed coronal mass ejections (CMEs).
Aleksandra Kolarski, Nikola Veselinović, Vladimir A. Srećković, Zoran Mijić, Mihailo Savić, Aleksandar Dragić   +5 more
doaj   +1 more source

A Comparative Study of Two Contrasting Cosmic-Ray Events Caused by Solar Eruptions from NOAA AR 12673 in 2017 September

The Astrophysical Journal, 2023
Two major solar eruptions on AR 12673 produced a Forbush decrease (FD) event (reduction of cosmic rays) on 2017 September 8 and ground-level enhancement (GLE; enhancement of cosmic rays) on 2017 September 10.
Xiao Xia Yu, Shuang Nan Zhang, Hong Lu, Hong Bo Hu, Ping Zhang, Wei Kang Gao   +5 more
doaj   +1 more source

Analytic modeling of recurrent Forbush decreases caused by corotating interaction regions

, 2022
Context. On scales of days, the galactic cosmic ray (GCR) flux is affected by coronal mass ejections and corotating interaction regions (CIRs), causing so-called Forbush decreases and recurrent Forbush decreases (RFDs), respectively. Aims. We explain the
B. Heber, M. Dumbović, B. Vršnak, A. Kirin   +3 more
core   +1 more source

A novel approach in magnetic cloud-driven Forbush decrease modeling [PDF]

, 2021
Interplanetary coronal mass ejections (ICMEs) are large-scale solar wind disturbances propagating from the Sun and causing a depression of the galactic-cosmic ray (GCR) intensity known as Forbush decrease (FD).
Giuseppe Consolini, Consolini, Giuseppe, Afanasiev, Alexandr, Simone Benella, Rami Vainio, Catia Grimani, Laurenza, Monica, Grimani, Catia, Benella, Simone, Qiang Hu, Hu, Qiang, Alexandr Afanasiev, Vainio, Rami, Monica Laurenza   +13 more
core   +1 more source

Study of Forbush decrease recovery times by the Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics (PAMELA) experiment [PDF]

, 2023
A Forbush decrease (FD) is a sudden drop of cosmic-ray intensity arising as an effect of coronal mass ejection (CME) propagation in interplanetary space.
Barbarino, G. C., Zampa, G., Campana, D., Monaco, A., Rodenko, S., Sotgiu, A., Bogomolov, E. A., Mayorov, A., Picozza, P., Sparvoli, R., Voronov, S. A., Bazilevskaya, G. A., Munini, R., Stozhkov, Y. I., Bonvicini, V., Martucci, M., Yurkin, Y. T., Lenni, A., Cafagna, F., Malakhov, V., Ricci, M., Mikhailov, V. V., Kvashnin, A. N., Leonov, A. N., Vacchi, A., Bellotti, R., Panico, B., Galper, A. M., Ricciarini, S. B., Vannuccini, E., Koldobskiy, S. A., Mergè, M., Casolino, M., Mocchiutti, E., Vasilyev, G., Zampa, N., Boezio, M., Marcelli, N., Marcelli, L., Lagoida, I. A.   +39 more
core   +2 more sources

Report of Cosmic-Ray Neutron Observation in the 9th Japanese Antarctic Research Expedition 1968-1969 (Reports of the Japanese Antarctic Research Expedition)

Antarctic Record, 1971
From February 1968 to January 1969, cosmic ray nucleonic component was observed at Syowa Station, Antarctica (69°00'S, 39°35'E), using a duplicate set of 5-NM-64 super neutron monitor with a multiplicity meter.
Tomoshige SUDA, Masahiro KODAMA
doaj   +1 more source

Cosmic rays, aerosol formation and cloud-condensation nuclei: sensitivities to model uncertainties [PDF]

Atmospheric Chemistry and Physics, 2011
The flux of cosmic rays to the atmosphere has been reported to correlate with cloud and aerosol properties. One proposed mechanism for these correlations is the "ion-aerosol clear-air" mechanism where the cosmic rays modulate atmospheric ion ...
E. J. Snow-Kropla, J. R. Pierce, D. M. Westervelt, W. Trivitayanurak   +3 more
doaj   +1 more source

Changes in cloud cover associated with Forbush decreases of galactic cosmic rays

, 2001
The results of a study to quantify the relationship between cloud cover and short-term Forbush decreases (FD) of galactic cosmic ray flux are presented. Using an extensive record of global satellite-derived cloud products from the International Satellite
Kniveton, DR, Martin C. Todd, Todd, MC, Martin Todd (4462747), Dominic Kniveton (4461616), Dominic R. Kniveton   +5 more
core   +1 more source

REPORT OF COSMIC-RAY NEUTRON OBSERVATION IN THE 8TH JAPANESE ANTARCTIC RESEARCH EXPEDITION 1967-1968

Antarctic Record, 1969
At Syowa Station, Antarctica, the cosmic-ray neutron observation was made, at the initial stage, with the IGY-type neutron monitor during the period from March 1960 to December 1961.
Yoshio ISHIDA, Masahiro KODAMA
doaj   +1 more source

Monitoring of near-Earth space, Earth’s magnetosphere and atmosphere during Forbush decreases in August 2005

Solar-Terrestrial Physics
We present the results of near-Earth interplanetary space, magnetosphere, and atmosphere monitoring during large-scale solar wind disturbances at the end of August 2005.
Kovalev I. I., Kravtsova M. V., Olemskoy S. V., Sdobnov V. E., Starodubtsev S. A.   +4 more
doaj   +1 more source