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Author : Anonim
Publisher : Unknown
Page : 396 pages
File Size : 41,6 Mb
Release : 1980
Category : Solar cycle
ISBN : CORNELL:31924004316570
Author : A. Balogh,Louis J. Lanzerotti,Steve T. Suess
Publisher : Springer Science & Business Media
Page : 304 pages
File Size : 43,8 Mb
Release : 2007-12-08
Category : Science
ISBN : 9783540743026
Understanding how the Sun changes though its 11-year sunspot cycle and how these changes affect the vast space around the Sun – the heliosphere – has been one of the principal objectives of space research since the advent of the space age. This book presents the evolution of the heliosphere through an entire solar activity cycle. The last solar cycle (cycle 23) has been the best observed from both the Earth and from a fleet of spacecraft. Of these, the joint ESA-NASA Ulysses probe has provided continuous observations of the state of the heliosphere since 1990 from a unique vantage point, that of a nearly polar orbit around the Sun. Ulysses’ results affect our understanding of the heliosphere from the interior of the Sun to the interstellar medium - beyond the outer boundary of the heliosphere. Written by scientists closely associated with the Ulysses mission, the book describes and explains the many different aspects of changes in the heliosphere in response to solar activity. In particular, the authors describe the rise in solar activity from the last minimum in solar activity in 1996 to its maximum in 2000 and the subsequent decline in activity.
Author : André Balogh,Hugh Hudson,Kristóf Petrovay,Rudolf Steiger
Publisher : Springer
Page : 602 pages
File Size : 52,6 Mb
Release : 2015-04-16
Category : Science
ISBN : 9781493925841
A collection of papers edited by four experts in the field, this book sets out to describe the way solar activity is manifested in observations of the solar interior, the photosphere, the chromosphere, the corona and the heliosphere. The 11-year solar activity cycle, more generally known as the sunspot cycle, is a fundamental property of the Sun. This phenomenon is the generation and evolution of magnetic fields in the Sun’s convection zone, the photosphere. It is only by the careful enumeration and description of the phenomena and their variations that one can clarify their interdependences. The sunspot cycle has been tracked back about four centuries, and it has been recognized that to make this data set a really useful tool in understanding how the activity cycle works and how it can be predicted, a very careful and detailed effort is needed to generate sunspot numbers. This book deals with this topic, together with several others that present related phenomena that all indicate the physical processes that take place in the Sun and its exterior environment. The reviews in the book also present the latest theoretical and modelling studies that attempt to explain the activity cycle. It remains true, as has been shown in the unexpected characteristics of the first two solar cycles in the 21st century, that predictability remains a serious challenge. Nevertheless, the highly expert and detailed reviews in this book, using the very best solar observations from both ground- and space based telescopes, provide the best possible report on what is known and what is yet to be discovered. Originally published in Space Science Reviews, Vol 186, Issues 1-4, 2014.
Author : Andre Balogh,Louis J. Lanzerotti,Steve T. Suess
Publisher : Springer Verlag
Page : 286 pages
File Size : 40,9 Mb
Release : 2007-10-23
Category : Science
ISBN : 3540743014
Understanding how the Sun changes though its 11-year sunspot cycle and how these changes affect the vast space around the Sun – the heliosphere – has been one of the principal objectives of space research since the advent of the space age. This book presents the evolution of the heliosphere through an entire solar activity cycle. The last solar cycle (cycle 23) has been the best observed from both the Earth and from a fleet of spacecraft. Of these, the joint ESA-NASA Ulysses probe has provided continuous observations of the state of the heliosphere since 1990 from a unique vantage point, that of a nearly polar orbit around the Sun. Ulysses’ results affect our understanding of the heliosphere from the interior of the Sun to the interstellar medium - beyond the outer boundary of the heliosphere. Written by scientists closely associated with the Ulysses mission, the book describes and explains the many different aspects of changes in the heliosphere in response to solar activity. In particular, the authors describe the rise in solar activity from the last minimum in solar activity in 1996 to its maximum in 2000 and the subsequent decline in activity.
Author : Myung-Hee Y. Kim
Publisher : Unknown
Page : 20 pages
File Size : 47,6 Mb
Release : 2000
Category : Solar cycle
ISBN : NASA:31769000451552
Sunspot numbers in the current solar cycle 23 were estimated by using a statistical model with the accumulating cycle sunspot data based on the odd-even behavior of historical sunspot cycles from 1 to 22. Since cycle 23 has progressed and the accurate solar minimum occurence has been defined, the statistical model is validated by comparing the previous prediction with the new measured sunspot number; the improved sunspot projection in short range of future time is made accordingly. The current cycle is expected to have a moderate level of activity. Errors of this model are shown to be self-correcting as cycle observations become available.
Author : National Research Council,Division on Engineering and Physical Sciences,Space Studies Board,Committee on the Effects of Solar Variability on Earth's Climate
Publisher : National Academies Press
Page : 70 pages
File Size : 43,9 Mb
Release : 2012-12-12
Category : Science
ISBN : 9780309265645
On September 8-9, 2011, experts in solar physics, climate models, paleoclimatology, and atmospheric science assembled at the National Center for Atmospheric Research (NCAR) in Boulder, Colorado for a workshop to consider the Sun's variability over time and potential Sun-climate connections. While it does not provide findings, recommendations, or consensus on the current state of the science, The Effects of Solar Variability on Earth's Climate: A Workshop Report briefly introduces the primary topics discussed by presenters at the event. As context for these topics, the summary includes background information on the potential Sun-climate connection, the measurement record from space, and potential perturbations of climate due to long-term solar variability. This workshop report also summarizes some of the science questions explored by the participants as potential future research endeavors.
Author : Siegfried Böhme,Ute Esser,Professor Dr. Walter Fricke,Inge Heinrich,Wilfried Hofmann,Dietlinde Krahn,Dorothea Rosa,Dr. Lutz D. Schmadel,Gert Zech
Publisher : Springer Science & Business Media
Page : 949 pages
File Size : 54,8 Mb
Release : 2013-11-11
Category : Science
ISBN : 9783662123225
Astronomy and Astrophysics Abstracts, which has appeared in semi-annual volumes since 1969, is de voted to the recording, summarizing and indexing of astronomical publications throughout the world. It is prepared under the auspices of the International Astronomical Union (according to a resolution adopted at the 14th General Assembly in 1970). Astronomy and Astrophysics Abstracts aims to present a comprehensive documentation of literature in all fields of astronomy and astrophysics. Every effort will be made to ensure that the average time interval between the date of receipt of the original literature and publication of the abstracts will not exceed eight months: This time interval is near to that achieved by monthly abstracting journals, com pared to which our system of accumulating abstracts for about six months offers the advantage of greater convenience for the user. I, 1980; some older Volume 27 contains literature published in 1980 and received before August literature which was received late and which is not recorded in earlier volumes is also included. We acknowledge with thanks contributions to this volume by Dr. J. Bouska, Prague, who surveyed journals and publications in Czech and supplied us with abstracts in English.
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
Page : 36 pages
File Size : 55,5 Mb
Release : 2018-06-11
Category : Electronic
ISBN : 1720943990
The interplanetary plasma and fields are affected by the degree of disturbance that is related to the number and types of sunspots in the solar surface. Sunspot observations were improved with the introduction of the telescope in the seventeenth century, allowing observations which cover many centuries. A single quantity (sunspot number) was defined by Wolf in 1848 that is now known to be well correlated with many space observable quantities and is used herein to represent variations caused in the space radiation environment. The resultant environmental models are intended for future aircraft and space-travel-related exposure estimates.Wilson, John W. and Kim, Myung-Hee Y. and Shinn, Judy L. and Tai, Hsiang and Cucinotta, Francis A. and Badhwar, Gautam D. and Badavi, Francis F. and Atwell, WilliamJohnson Space Center; Langley Research CenterEXTRATERRESTRIAL RADIATION; INTERPLANETARY MEDIUM; SPACE PLASMAS; SUNSPOTS; SOLAR CYCLES; COSMIC RAYS; SOLAR ACTIVITY EFFECTS; AEROSPACE ENVIRONMENTS; ENVIRONMENT MODELS; SPACE OBSERVATIONS (FROM EARTH); MAGNETIC DISTURBANCES
Author : Anonim
Publisher : Unknown
Page : 387 pages
File Size : 40,9 Mb
Release : 1980
Category : Solar activity
ISBN : OCLC:6163160
Author : Anonim
Publisher : Unknown
Page : 252 pages
File Size : 54,7 Mb
Release : 1991
Category : Aeronautics
ISBN : MINN:30000001830847
Author : National Research Council,Division on Engineering and Physical Sciences,Space Studies Board,Committee on Solar and Space Physics,Solar and Space Physics Survey Committee
Publisher : National Academies Press
Page : 262 pages
File Size : 43,7 Mb
Release : 2003-12-17
Category : Science
ISBN : 9780309089722
This volume, The Sun to the Earth-and Beyond: Panel Reports, is a compilation of the reports from five National Research Council (NRC) panels convened as part of a survey in solar and space physics for the period 2003-2013. The NRC's Space Studies Board and its Committee on Solar and Space Physics organized the study. Overall direction for the survey was provided by the Solar and Space Physics Survey Committee, whose report, The Sun to the Earth-and Beyond: A Decadal Research Strategy in Solar and Space Physics, was delivered to the study sponsors in prepublication format in August 2002. The final version of that report was published in June 2003. The panel reports provide both a detailed rationale for the survey committee's recommendations and an expansive view of the numerous opportunities that exist for a robust program of exploration in solar and space physics.
Author : National Research Council (U.S.). Commission on Geosciences, Environment, and Resources
Publisher : National Academies
Page : 190 pages
File Size : 47,8 Mb
Release : 1994
Category : Nature
ISBN : UOM:39015033990907
Are variations in the energy generated by the Sun sufficient to modify the Earth's global environment at levels comparable to expected anthropogenic changes? Debated contentiously for more than a century, this question must now be posed with new urgency: the proper specification of natural global changes is a prerequisite for detecting anthropogenic impacts. Important advances over the past decade in our knowledge of the Sun and of the terrestrial responses to solar variability provides the basis for answering this question with unprecedented surety, but significant uncertainties remain. This book addresses current monitoring and understanding of solar influences on both the climate system and the ozone layer and prioritizes the research effort that will be needed to provide a sound scientific basis for policymaking related to global change issues.
Author : Irene González Hernández,Rudolf Komm,Alexei Pevtsov,John Leibacher
Publisher : Springer
Page : 257 pages
File Size : 40,7 Mb
Release : 2014-06-17
Category : Science
ISBN : 9781493911820
Presents an overview of recent research on the original of solar phenomena that affect Earth’s technological systems. This topical issue is based on the presentations given at the 26th National Solar Observatory (NSO) Summer Workshop held at the National Solar Observatory/Sacramento Peak, New Mexico, USA from 30 April to 4 May 2012. This unique forum brought together experts in different areas of solar and space physics to help in developing a full picture of the origin of solar phenomena that affect Earth’s technological systems. The articles include theory, model and observation research on the origin of the solar activity and its cycle, as well as a discussion on how to incorporate the research into space-weather forecasting tools. This volume is aimed at graduate students and researchers active in solar physics and space science. Previously published in Solar Physics, Vol. 289/2, 2014.
Author : Yohsuke Kamide,Abraham C.-L. Chian
Publisher : Springer Science & Business Media
Page : 539 pages
File Size : 55,8 Mb
Release : 2007-08-17
Category : Science
ISBN : 9783540463153
As a star in the universe, the Sun is constantly releas- cover a wide range of time and spatial scales, making ?? ing energy into space, as much as ?. ? ?? erg/s. Tis observations in the solar-terrestrial environment c- energy emission basically consists of three modes. Te plicated and the understanding of processes di?cult. ?rst mode of solar energy is the so-called blackbody ra- In the early days, the phenomena in each plasma diation, commonly known as sunlight, and the second region were studied separately, but with the progress mode of solar electromagnetic emission, such as X rays of research, we realized the importance of treating and UV radiation, is mostly absorbed above the Earth’s the whole chain of processes as an entity because of stratosphere. Te third mode of solar energy emission is strong interactions between various regions within in the form of particles having a wide range of energies the solar-terrestrial system. On the basis of extensive from less than ? keV to more than ? GeV. It is convenient satellite observations and computer simulations over to group these particles into lower-energy particles and thepasttwo decades, it hasbecomepossibleto analyze higher-energy particles, which are referred to as the so- speci?cally the close coupling of di?erent regions in the lar wind and solar cosmic rays, respectively. solar-terrestrial environment.
Author : Judit M. Pap,Claus Fröhlich,Roger K. Ulrich
Publisher : Springer Science & Business Media
Page : 509 pages
File Size : 51,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401150002
Measurements of solar irradiance, both bolometric and at various wavelengths, over the last two decades have established conclusively that the solar energy flux varies on a wide range of time scales, from minutes to the 11-year solar cycle. The major question is how the solar variability influences the terrestrial climate. The Solar Electromagnetic Radiation Study for Solar Cycle 22 (SOLERS22) is an international research program operating under the auspices of the Solar-Terrestrial Energy Program (STEP) Working Group 1: `The Sun as a Source of Energy and Disturbances'. STEP is sponsored by the Scientific Committee of Solar-Terrestrial Physics (SCOSTEP) of the International Council of Scientific Unions (ICSU). The main goal of the SOLERS22 1996 Workshop was to bring the international research community together to review the most recent results obtained from observations, theoretical interpretation, empirical and physical models of the variations in the solar energy flux and their possible impact on climate studies. These questions are essential for researchers and graduate students in solar-terrestrial physics.
