منابع مشابه
Precipitation, cloud cover and Forbush decreases in galactic cosmic rays
The results of a study to explore variations in cloud cover, over regions that are minimally affected by rainfall and heavy rainfall, and that are coincident with variations in the galactic cosmic ray flux, are presented. Using an extensive record of global satellite derived cloud and rainfall products from the International Satellite Cloud Climatology Project (ISCCP) D1 data series and Xie and...
متن کاملForbush decreases – clouds relation in the neutron monitor era
The proposed influence of cosmic rays on cloud formation is tested for the effect of sudden intensity changes of CR (Forbush decreases) on cloudiness. An attempt is made to widen the investigated period covered by satellite observation of cloudiness. As an indicator of cloud cover, the diurnal temperature range (DTR a quantity anticorrelated with cloudiness) is used. The superposed epoch analys...
متن کاملSevere geomagnetic storms and Forbush decreases: interplanetary relationships reexamined
Severe storms (Dst) and Forbush decreases (FD) during cycle 23 showed that maximum negative Dst magnitudes usually occurred almost simultaneously with the maximum negative values of the Bz component of interplanetary magnetic field B, but the maximum magnitudes of negative Dst and Bz were poorly correlated (+0.28). A parameter Bz(CP) was calculated (cumulative partial Bz) as sum of the hourly n...
متن کاملModel of optical response of marine aerosols to Forbush decreases
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 aerosols, in a sectional coagulation and condensation model, according to changes in ionization by the Forbush decrease. From the resulting si...
متن کاملRevisiting (k , l)-step methods
Abstract. In the mid-1980s B.N. Parsons [29] and the author [10] independently had the idea to generalize linear stationary k-step methods to stationary (k, l)-step methods, which were further generalized to nonstationary and even nonlinear (k, l)-step methods. Later, conjugate-gradient-type methods that are (k, l)-step methods of a similar sort were introduced and investigated in the PhD thesi...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research: Space Physics
سال: 2011
ISSN: 0148-0227
DOI: 10.1029/2011ja016791