On the Correlation Between Maximum Amplitude and Smoothed Monthly Mean Sunspot Number During the Rise of the Cycle (from T PDF Download
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Author: Robert M. Wilson
Publisher:
ISBN:
Category : Solar cycle
Languages : en
Pages : 24
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Book Description
Author: Robert M. Wilson
Publisher:
ISBN:
Category : Solar cycle
Languages : en
Pages : 24
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Book Description
Author: Robert M. Wilson
Publisher: BiblioGov
ISBN: 9781289145347
Category :
Languages : en
Pages : 24
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Book Description
During the rise from sunspot minimum to maximum, the observed value of smoothed monthly mean sunspot number at maximum RM is found to correlate with increasing strength against the current value of smoothed monthly mean sunspot number R(t), where t is the elapsed time in months from minimum. On the basis of the modern era sunspot cycles (i.e., cycles 10-22), the inferred linear correlation is found to be statistically important (i.e., at the 95-percent level of confidence) from about 11 mo past minimum and statistically very important (i.e.. at the 99-percent level of confidence) from about 15 mo past minimum; ignoring cycle 19, the largest cycle of the modern era, the inferred linear correlation is found to be statistically important from cycle onset. On the basis of R(t), estimates of RM can be gauged usually to within about +/- 30 percent during the first 2 yr and to within about +/- 20 percent (or better) after the first 2 yr of a cycle's onset. For cycle 23, because controversy exists regarding the placement of its minimum (i.e., its onset), being either May 1996 or perhaps August 1996 (or shortly thereafter), estimates of its RM are divergent, being lower (more like a mean size cycle) when using the earlier epoch of minimum and higher (above average in size) when using the later-occurring minimum. For smoothed monthly mean sunspot number through October 1997 (t = 17 or 14 mo, respectively), having a provisional value of 32.0. the earlier minimum date projects an RM of 110.3 +/- 33.1, while the later minimum date projects one of 137.2 +/- 41.2. The projection is slowly decreasing in size using the earlier onset date, while it is slowly increasing in size using the later onset date.
Author: K.N. Nagendra
Publisher: Springer Science & Business Media
ISBN: 9780792358145
Category : Science
Languages : en
Pages : 558
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Book Description
Novel instruments for high-precision imaging polarimetry have opened new possibilities, including for exploring effects in radiative scattering, atomic physics, spectral line formation, and radiative transfer. This volume gives a comprehensive and up-to-date account of this rapidly evolving and interdisciplinary field of science.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1154
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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: Richard Frank Donnelly
Publisher:
ISBN:
Category : Ionospheric forecasting
Languages : en
Pages : 452
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Book Description
Author: Douglas C. Montgomery
Publisher: John Wiley & Sons
ISBN: 1118745159
Category : Mathematics
Languages : en
Pages : 670
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Book Description
Praise for the First Edition "...[t]he book is great for readers who need to apply the methods and models presented but have little background in mathematics and statistics." -MAA Reviews Thoroughly updated throughout, Introduction to Time Series Analysis and Forecasting, Second Edition presents the underlying theories of time series analysis that are needed to analyze time-oriented data and construct real-world short- to medium-term statistical forecasts. Authored by highly-experienced academics and professionals in engineering statistics, the Second Edition features discussions on both popular and modern time series methodologies as well as an introduction to Bayesian methods in forecasting. Introduction to Time Series Analysis and Forecasting, Second Edition also includes: Over 300 exercises from diverse disciplines including health care, environmental studies, engineering, and finance More than 50 programming algorithms using JMP®, SAS®, and R that illustrate the theory and practicality of forecasting techniques in the context of time-oriented data New material on frequency domain and spatial temporal data analysis Expanded coverage of the variogram and spectrum with applications as well as transfer and intervention model functions A supplementary website featuring PowerPoint® slides, data sets, and select solutions to the problems Introduction to Time Series Analysis and Forecasting, Second Edition is an ideal textbook upper-undergraduate and graduate-levels courses in forecasting and time series. The book is also an excellent reference for practitioners and researchers who need to model and analyze time series data to generate forecasts.
Author: John A. Eddy
Publisher: Government Printing Office
ISBN: 9780160838088
Category : Business & Economics
Languages : en
Pages : 316
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Book Description
" ... Concise explanations and descriptions - easily read and readily understood - of what we know of the chain of events and processes that connect the Sun to the Earth, with special emphasis on space weather and Sun-Climate."--Dear Reader.
Author: Ryuho Kataoka
Publisher: Elsevier
ISBN: 0128225386
Category : Science
Languages : en
Pages : 188
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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: Max Waldmeier
Publisher:
ISBN:
Category : Sunspots
Languages : en
Pages : 182
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Book Description
