Solar proton
Nitrate deposition to surface snow at Summit, Greenland, following the 9 November 2000 solar proton event
... individual solar proton events are exempli fi ed by the Zeller and Dreschhoff [1995] analysis of 400 years of nitrate data from the GISP2-H (Greenland Ice Sheet Project 2) Greenland ice core and the ...
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SOLAR PROTON EVENTS (SPES) AND THEIR IMPACT
... Solar proton events have been routinely detected by satellites since the 20 th solar cycle; however, before that time only very major proton events were detected at the ...200 solar ...
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Impact of the January 2012 solar proton event on polar mesospheric clouds
... from solar absorption and thus lower temperatures in the sunlit upper stratosphere and lower ...(GOES) solar proton fl uxes and the Solar Backscatter Ultraviolet (SBUV) PMC frequencies and ...
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Nitrate deposition to surface snow at Summit, Greenland, following the 9 November 2000 solar proton event
... individual solar events in ice cores sampled at Law Dome, ...following solar events [Palmer et ...individual solar energetic particle ...2000 solar proton event using the Whole ...
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The Neutron Flux Variation in the Earth’s Atmosphere Depending on the Solar Proton Flux
... increasing solar proton flux, reg- istered by the GOES satellites (NASA Center), as well as changing neutron flux in the atmosphere, measured by the Oulu Neutron Monitor during May 13, 14 and 15, 2005 ...
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Polar mesosphere summer echoes during the July 2000 solar proton event
... electron number densities are due to the fact that the neg- ative ions are more persistent during the night, as well as the increased attachment of electrons to form negative ions. During the daytime, the electrons are ...
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Features of relativistic solar proton spectra derived from ground level enhancement events (GLE) modeling
... tivistic solar protons (RSP), such as a rigidity (energy) spec- trum, direction of anisotropy axis, and pitch angle distribu- tions are obtained, and their dynamics are studied for each of the ...relativistic ...
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Modelling cosmic ray ground level enhancements and relativistic solar proton acceleration
... 2006, 2007 included low-energy spacecraft observations of proton intensities in spectral fits to determine the mechanism/s responsible for relativistic particle acceleration for the 14 J[r] ...
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On solar protons and polar cap absorption: Constraints on an empirical relationship
... of Solar Proton Events (SPE) from the period 1995 to 2001 is used to investigate the rela- tionship between proton flux at geostationary orbit and Cos- mic Noise Absorption (CNA) in the auroral ...of ...
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Study of geomagnetic storm observed during March 1989
... the solar wind and fast CMEs are decelerated toward the speed of solar ...A solar flare interacts the solar wind resulting in a cause of solar proton event ...and solar ...
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Variation of proton radiation belt deduced from solar cell degradation of Akebono satellite
... the proton radiation monitor for the solar proton event and the geomagnetic storm in March ...its proton measurement suffered from con- tamination by energetic electron flux and, therefore, we ...
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Coronal Mass Ejections during Geomagnetic Storms on Earth
... of solar energetic particle events, as a result of acceleration and heating of solar plasma during solar ...specifically, solar energetic particle events that lead to the disturbances in the ...
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A brief history of Regional Warning Center China (RWC-China)
... 2009). Solar activity prediction method and model studies began in the 1960s at ...operational solar activity prediction in China, which included forecasts of solar proton events and short- ...
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Plasma Waves in the Sun
... The Sun is a constant source of plasma waves. However, these waves cannot be detected by making in-situ measurements near the Sun because of the prevailing extreme thermal conditions existing there. Hence, the ...
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Solar wind proton reflection and injection to the ACR regime at the parallel termination shock
... lel solar wind termination shock are a plasma deceleration together with a thermalization on the downstream side and reflection at the shock due to energy diffusion because of the turbulent wave-particle ...
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Proton-air and proton-proton cross sections
... primary proton-air cross ...pure proton model together with a standard extrapolation of the proton-air cross section to these ...the proton-air cross sec- tion must start to diverge quite ...
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The effect of cosmic rays on biological systems – an investigation during GLE events
... Additional evidences for a cause-effect relation between solar energetic particles and the revealed phenomena are given in Table 1. The first arrival of most energetic parti- cles, which produce a dramatic ...
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Cavitons and spontaneous hot flow anomalies in a hybrid Vlasov global magnetospheric simulation
... Due to the gyromotion of charged particles, we consider the plots as representative of the total upstream VDFs. Panels (a), (f), and (l) show a heated quasi-isotropic sheath population, although panel (a) shows decreased ...
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Renormalization of Proton-Proton Scattering and Proton-Proton Fusion with Chiral Two Pion Exchange: Regulator Independent Results.
... Proton-proton fusion matrix elements can be evaluated in a straightforward manner, yielding in the impulse ap- proximation values of the overlap integral slightly smaller than those obtained with ...
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Mitochondrial proton leak compensates for reduced oxidative power during frequent hypothermic events in a protoendothermic mammal, Echinops telfairi
... of proton leak rate to changes in membrane potential of liver mitochondria from Echinops telfairi acclimated to 20 ◦ C (CA, white squares, n = 6) or 27 ◦ C (WA, black squares, n = 5) at assay temperatures of (A) ...
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