Results 21 to 30 of about 8,632 (194)

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

open access: yesRemote 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   +5 more
doaj   +1 more source

Effect of Forbush decreases on the latent atmosphere energy [PDF]

open access: yesProceedings of 35th International Cosmic Ray Conference — PoS(ICRC2017), 2017
It has been shown that cosmic rays may affect the aggregate transitions of water in the free atmosphere through ionization of air and, thereby, the atmospheric parameters. The pressure variations derived from measurements of the water content across the atmosphere have been estimated.
Vladislav Timofeev   +2 more
openaire   +1 more source

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

open access: yesThe 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   +5 more
doaj   +1 more source

Multipoint, high time resolution galactic cosmic ray observations associated with two interplanetary coronal mass ejections [PDF]

open access: yes, 2009
[1] Galactic cosmic rays (GCRs) play an important role in our understanding of the interplanetary medium (IPM). The causes of their short timescale variations, however, remain largely unexplored. In this paper, we compare high time resolution, multipoint
Blake, J. B.   +5 more
core   +2 more sources

Short-term variability in satellite-derived cloud cover and galactic cosmic rays: an update [PDF]

open access: yes, 2004
Previous work by Todd and Kniveton (2001) (TK2001) has indicated a statistically significant association (at the daily timescale) between short-term reductions in galactic cosmic rays, specifically Forbush decrease (FD) events, and reduced cloud cover ...
Arnold   +29 more
core   +2 more sources

The biological response to the forbush effect

open access: yesBiologia Plantarum, 1979
The frequency of nucleus and cell division in prothallia ofEquisetum arvense L. grown under aseptic, defined conditions shows a considerable stabillity in the course of long-term experiments. This stability can be impaired if germinating spores are afflicted in the period 50 ±5 h after sowing by the just occurring Forbush effect in the period of ...
M. Sosna, K. Pešina
openaire   +1 more source

Anomalous Forbush effects from sources far from Sun center [PDF]

open access: yesProceedings of the International Astronomical Union, 2008
AbstractThe Forbush effects associated with far western and eastern powerful sources on the Sun that occurred on the background of unsettled and moderate interplanetary and geomagnetic disturbances have been studied by data from neutron monitor networks and relevant measurements of the solar wind parameters.
Eroshenko, E.   +5 more
openaire   +2 more sources

Model of optical response of marine aerosols to Forbush decreases [PDF]

open access: yesAtmospheric Chemistry and Physics, 2010
In order to elucidate the effect of galactic cosmic rays on cloud formation, we investigate the optical response of marine aerosols to Forbush decreases – abrupt decreases in galactic cosmic rays – by means of modeling. We vary the nucleation rate of new
T. Bondo, M. B. Enghoff, H. Svensmark
doaj  

Characteristics and energy dependence of recurrent galactic cosmic-ray flux depressions and of a forbush decrease with LISA Pathfinder [PDF]

open access: yes, 2018
The final publication is available at IOS Press through http://dx.doi.org/10.3847/1538-4357/aaa774Galactic cosmic-ray (GCR) energy spectra observed in the inner heliosphere are modulated by the solar activity, the solar polarity and structures of solar ...
Armano, M.   +6 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)

open access: yesAntarctic 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

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