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Author: Royal Greenwich Observatory
Publisher:
ISBN:
Category : Geomagnetism
Languages : en
Pages : 126
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Book Description
Author: Royal Greenwich Observatory
Publisher:
ISBN:
Category : Geomagnetism
Languages : en
Pages : 126
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Book Description
Author: Raymond J. Cormier
Publisher:
ISBN:
Category : Ionospheric storms
Languages : en
Pages : 48
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Book Description
Author: National Geophysical and Solar-Terrestrial Data Center
Publisher:
ISBN:
Category : Cosmic physics
Languages : en
Pages : 42
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Book Description
Author: Joseph H. King
Publisher:
ISBN:
Category : Cosmic magnetic fields
Languages : en
Pages : 784
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Book Description
Author: Joseph H. King
Publisher:
ISBN:
Category : Astrophysics
Languages : en
Pages : 216
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Book Description
Author: Phillip Chamberlin
Publisher: Springer Science & Business Media
ISBN: 1461436737
Category : Science
Languages : en
Pages : 405
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Book Description
This volume is dedicated to the Solar Dynamics Observatory (SDO), which was launched 11 February 2010. The articles focus on the spacecraft and its instruments: the Atmospheric Imaging Assembly (AIA), the Extreme Ultraviolet Variability Experiment (EVE), and the Helioseismic and Magnetic Imager (HMI). Articles within also describe calibration results and data processing pipelines that are critical to understanding the data and products, concluding with a description of the successful Education and Public Outreach activities. This book is geared towards anyone interested in using the unprecedented data from SDO, whether for fundamental heliophysics research, space weather modeling and forecasting, or educational purposes. Previously published in Solar Physics journal, Vol. 275/1-2, 2012. Selected articles in this book are published open access under a CC BY-NC 2.5 license at link.springer.com. For further details, please see the license information in the chapters.
Author: Ryuho Kataoka
Publisher: Elsevier
ISBN: 0128225378
Category : Science
Languages : en
Pages : 186
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Book Description
Extreme Space Weather not only allows readers to learn the basics of complex space weather phenomena and future directions for research in space physics and extreme space events. The book begins with a brief overview of space weather, including sunspot cycles, solar winds and geomagnetic fields. From there, the book moves on to extreme space weather phenomena, including mass coronal ejections, solar flares and magnetic storms. The book also includes a discussion of both observed and theoretical extreme events. This book is ideal for students and researchers in geophysics and space physics departments, as well as those in hazard and disaster preparedness. Focuses on extreme space weather and its impacts on Earth, the Moon and Mars Includes hazard maps showing data and impacts on Earth from extreme space weather events Presents research on both observed and theoretical extreme events
Author: A. Brekke
Publisher: Springer Science & Business Media
ISBN: 3642691064
Category : Science
Languages : en
Pages : 181
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Book Description
In Nordic literature a remarkable discussion of the northern light appears in Kongespeilet (The King's Mirror) a thirteenth-century Norwegian chronicle. It is described in vivid detail as the following translated excerpts demonstrate: These northern lights have this peculiar nature, that the darker the night is, the brighter they seem, and they always appear at night but never by day, most frequently in the densest darkness and rarely by moonlight. In appearance they resemble a vast flame of fire viewed from a great distance. It also looks as if sharp points were shot from this flame up into the sky; these are of uneven height and in constant motion, now one, now another darting highest; and the light appears to blaze like a living flame. Three different theories for the origin of the northern light were suggested in this book. Numerous naturally occurring heavenly phenomena have been observed and enjoyed as long as the Earth has been inhabited, but hardly any of them has stirred man's imagination, curiosity and fear as much as the northern light. The northern light is certainly one of the most spectacular of nature's phenomena.
Author: United States. National Environmental Satellite, Data, and Information Service
Publisher:
ISBN:
Category : Geophysics
Languages : en
Pages : 36
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Author: National Aeronaut Administration (Nasa)
Publisher:
ISBN:
Category :
Languages : en
Pages : 56
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Book Description
Previous studies have shown geomagnetic indices to be useful for providing early estimates for the size of the following sunspot cycle several years in advance. Examined this study are various precursor methods for predicting the minimum and maximum amplitude of the following sunspot cycle, these precursors based on the aa and Ap geomagnetic indices and the number of disturbed days (NDD), days when the daily Ap index equaled or exceeded 25. Also examined is the yearly peak of the daily Ap index (Apmax), the number of days when Ap greater than or equal to 100, cyclic averages of sunspot number R, aa, Ap, NDD, and the number of sudden storm commencements (NSSC), as well the cyclic sums of NDD and NSSC. The analysis yields 90-percent prediction intervals for both the minimum and maximum amplitudes for cycle 24, the next sunspot cycle. In terms of yearly averages, the best regressions give Rmin = 9.8+/-2.9 and Rmax = 153.8+/-24.7, equivalent to Rm = 8.8+/-2.8 and RM = 159+/-5.5, based on the 12-mo moving average (or smoothed monthly mean sunspot number). Hence, cycle 24 is expected to be above average in size, similar to cycles 21 and 22, producing more than 300 sudden storm commencements and more than 560 disturbed days, of which about 25 will be Ap greater than or equal to 100. On the basis of annual averages, the sunspot minimum year for cycle 24 will be either 2006 or 2007. Wilson, Robert M. and Hathaway, David H. Marshall Space Flight Center NASA/TP-2006-214711, M-1178 SUNSPOTS; SUNSPOT CYCLE; GEOMAGNETISM; SUDDEN STORM COMMENCEMENTS; CYCLES; ESTIMATES
