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48.892  Articles
1 of 4.890 pages  |  10  records  |  more records»
Herein, we present a newly developed indicator for estimating geomagnetic activity. It is based on the magnitude of measure of anomalousness (MA) of magnetometer recordings at a given time or interval. It is intended for automated estimation of geomagneti... see more

The response of the European climate to long-term solar/geomagnetic activity is investigated using surface-air temperature and solar/geomagnetic indices. A set of 21 time series of air temperatures measured at European stations between 1900 and 2006, and ... see more

Four well known geomagnetic classes of activity such as quiet days activity, fluctuating activity, recurrent activityand shock activity time occurrences have been determined not only by using time profile of sunspot numberRz but also by using aa index val... see more

The O+ ion density measured by the SROSS-C2 satellite during solar minima (year 1995, F10.7 = 77) and maxima (year 2000, F10.7 = 181) has been analyzed for studying diurnal, seasonal, latitudinal and geomagnetic variations. The study region covers an area... see more

A nowcast system for operational estimation of a proxy K-type geomagnetic index is presented. The system is based on a fully automated computer procedure for real-time digital magnetogram data acquisition that includes screening of the dataset and removal... see more

An attempt at forecasting the magnetic activity index three hours in advance is presented. This approach is based on a suitable treatment of time-weighted accumulations of the three-hourly magnetic index Kp. The statistical analysis of impact of magnetic ... see more

This paper reports on a statistical study of hypothesized relationships between three indices of geomagnetic field activity and the incidence of violent crime on a nationwide basis. focusing on monthly variation over the entirety of an II-year solar cycle... see more

The high-latitude ionosphere is characterised by plasma density irregularities with typical lengths in a wide range of scales (from ~1 m up to ~1000 km). The enhancement of these irregularities caused for instance by severe Space Weather conditions can af... see more

The high-latitude ionosphere is characterised by plasma density irregularities with typical lengths in a wide range of scales (from ~1 m up to ~1000 km). The enhancement of these irregularities caused for instance by severe Space Weather conditions can af... see more

1 of 4.890 pages  |  10  records  |  more records»