Gotowe bibliografie tematyczne / Solar variations

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  1. Artykuły w czasopismach
  2. Rozprawy doktorskie
  3. Książki
  4. Części książek
  5. Streszczenia konferencji
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Gotowa bibliografia na temat „Solar variations”

Autor: Grafiati
Data publikacji: 6 września 2023

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Artykuły w czasopismach na temat "Solar variations"

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Solanki, S. K., M. Fligge i Y. C. Unruh. "Variations of the Solar Spectral Irradiance". Symposium - International Astronomical Union 203 (2001): 66–77. http://dx.doi.org/10.1017/s0074180900218809.

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The relative variation of the solar irradiance depends strongly on the wavelength band, with the shortest wavelengths exhibiting the largest variations over the solar cycle. This means that not only the total irradiance varies with solar activity but also the shape of the solar spectrum. These measured effects have been successfully modelled. The models indicate that more than 90% of the total and spectral irradiance variations over the solar cycle are due to the magnetic field at the solar surface. The solar spectral irradiance variations play an important part in constraining the models, since they can directly distinguish between changes in the solar effective temperature and changes produced by variations of solar surface magnetic flux. They also help to determine what fraction of the total solar radiative input to Earth is absorbed by the Earth's atmosphere.
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Willson, Richard C., i H. S. Hudson. "Solar luminosity variations in solar cycle 21". Nature 332, nr 6167 (kwiecień 1988): 810–12. http://dx.doi.org/10.1038/332810a0.

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SIMON, Paul C., i W. Kent TOBISKA. "Solar EUV Irradiance Variations". Journal of geomagnetism and geoelectricity 43, Supplement2 (1991): 823–33. http://dx.doi.org/10.5636/jgg.43.supplement2_823.

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Bruls, J. H. M. J., i S. K. Solanki. "Apparent solar radius variations". Astronomy & Astrophysics 427, nr 2 (28.10.2004): 735–43. http://dx.doi.org/10.1051/0004-6361:20041311.

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Kuhn, J. R., i K. G. Librecht. "Nonfacular solar luminosity variations". Astrophysical Journal 381 (listopad 1991): L35. http://dx.doi.org/10.1086/186190.

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GAVRYUSEV, V., i E. GAVRYUSEVA. "Solar Neutrino Flux Variations". Annals of the New York Academy of Sciences 647, nr 1 Texas/ESO-Cer (grudzień 1991): 483–94. http://dx.doi.org/10.1111/j.1749-6632.1991.tb32198.x.

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Pap, J. M., i C. Fröhlich. "Total solar irradiance variations". Journal of Atmospheric and Solar-Terrestrial Physics 61, nr 1-2 (styczeń 1999): 15–24. http://dx.doi.org/10.1016/s1364-6826(98)00112-6.

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Spruit, H. C. "Solar Irradiance Variations: Theory". Symposium - International Astronomical Union 185 (1998): 103–9. http://dx.doi.org/10.1017/s0074180900238369.

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The following is a somewhat condensed version of discussions previously given elsewhere (Spruit, 1991, 1992). Some new developments not discussed there are presented in sections 4 and 5.Since the observed irradiance variations are so clearly associated with manifestations of the solar magnetic field, I focus here on magnetic causes. Much of the physics of irradiance variations, however, is governed by the thermal response of the convective envelope and this response is similar for other possible causes of irradiance variations.
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Foukal, Peter V. "Solar radiative output variations". Eos, Transactions American Geophysical Union 69, nr 47 (1988): 1598. http://dx.doi.org/10.1029/88eo01201.

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Reames, D. V. "Solar energetic particle variations". Advances in Space Research 34, nr 2 (styczeń 2004): 381–90. http://dx.doi.org/10.1016/j.asr.2003.02.046.

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Rozprawy doktorskie na temat "Solar variations"

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Walker, Catherine C. "Variations of solar wind parameters over a solar cycle : expectations for NASA's Solar TErrestrial RElations Observatory (STEREO) mission /". Connect to online version, 2007. http://ada.mtholyoke.edu/setr/websrc/pdfs/www/2007/226.pdf.

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Jonson, Martin. "On density and pressure variations in the solar wind plasma". Thesis, KTH, Rymd- och plasmafysik, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-91825.

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A study of ACE solar wind data at lAU, for the period from 1998 to early 2005, was conducted. This was done in order to find sudden solar wind pressure enhancements accounting for plasma transfer through the magnetopause. In order to get information about the extent and orientation of the structures found, a correlation of found events to data from the Wind satellite was done. The enhancements considered are those with a relative increase exceeding unity. These are found by applying a 1-hour box-car average to the data set. A part of the event distribution was found to vary at periodicities of 11 years, 140 days, and 29 days. Most of the pressure enhancements found were due to a corresponding increase in plasma density. The transverse extent of most of the structures found was rather large, i.e., of the order of 100 Earth radii and the mean orientation of the plasma fronts  were found  to lie between the radial direction and that of  the Archimedean spiral. The duration of most of the structures was shorter than 1 hour. An investigation of the direction of the GSE Z-component of the magnetic field of the events, showed that there was no predominant orientation.
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Sharma, Pratibha. "Modeling, Optimization, and Characterization of High Concentration Photovoltaic Systems Using Multijunction Solar Cells". Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/35917.

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Recent advancements in the development of high-efficiency multijunction solar cells have led to a renewed interest in the design and implementation of high concentration photovoltaic systems. With the emergence of novel materials and design structures, understanding the operation of multijunction solar cells has become a challenging task. Modeling and simulation hence play an important role in the analysis of such devices. In this dissertation, techniques for accurate optoelectrical modeling of concentrating photovoltaic systems, based on multijunction solar cells, are proposed. A 2-dimensional, distributed circuit model is proposed, parametrized to values obtained by numerical modeling of three multijunction cell designs, namely: a three-junction, lattice matched design, a three-junction lattice-mismatched, inverted metamorphic design, and a four-junction,lattice matched design. Cell performance for all the three designs is evaluated under both uniform and nonuniform illumination profiles at high concentrations and efficiency enhancement by optimizing finger spacing is proposed. The effect of luminescent coupling from higher bandgap subcells is also determined.Fresnel-lens based, refractive concentrating optical systems are modeled and optimized using an optical ray-tracing simulator at two different concentrations, with and without a secondary optical element. The corresponding optical efficiency, acceptance angle, and the degree of nonuniformity are determined for each optical system. An integrated approach,combining optical design with electrical modeling is proposed for optimizing the multijunction solar cell in tandem with the corresponding concentrating optics. The approach is validated by on-sun, acceptance angle measurements, using a three-junction,lattice-matched cell. Also, temperature effects are modeled and are experimentally validated for a three-junction, lattice-matched design. Experimental results with a single-junction, dilute-nitride cell, targeted for four-junction operation, are presented as well. A modified distributed circuit model is used for analysis of temperature effects in a four-junction solar cell, and the results under both uniform and nonuniform temperature profiles are presented. When implemented, the designs and their corresponding analyses, may result in new insights into the development of CPV systems, thereby enabling enhanced efficiencies at higher concentrations.
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Jacobi, Christoph, Norbert Jakowski, Gerhard Schmidtke i Thomas N. Woods. "Delayed response of the global total electron content to solar EUV variations". Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-212283.

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The ionospheric response to solar extreme ultraviolet (EUV) variability during 2011–2014 is shown by simple proxies based on Solar Dynamics Observatory/Extreme Ultraviolet Variability Experiment solar EUV spectra. The daily proxies are compared with global mean total electron content (TEC) computed from global TEC maps derived from Global Navigation Satellite System dual frequency measurements. They describe about 74% of the intra-seasonal TEC variability. At time scales of the solar rotation up to about 40 days there is a time lag between EUV and TEC variability of about one day, with a tendency to increase for longer time scales.
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Hood, L. L., i B. E. Soukharev. "Solar induced variations of odd nitrogen: Multiple regression analysis of UARS HALOE data". AMER GEOPHYSICAL UNION, 2006. http://hdl.handle.net/10150/623348.

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A linear multiple regression statistical model is applied to estimate the solar induced component of odd nitrogen variability in the stratosphere and lower mesosphere using UARS HALOE data for 1991–2003. Consistent with earlier studies, evidence is obtained for a decadal NOx variation at the highest available latitudes (50° – 70°) that projects positively onto the solar cycle. This variation, which is most statistically significant in the Southern Hemisphere, also correlates positively with the auroral Ap index. It is therefore probably caused by downward transport during the polar night of thermospheric and mesospheric odd nitrogen. In addition, at low latitudes near and above the stratopause, evidence is obtained for an inverse solar cycle NOx variation. It is suggested that this low-latitude response may be caused primarily by increased photolysis of NO under solar maximum conditions. Throughout most of the rest of the stratosphere, no statistically significant response is obtained.
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Ortiz, Carbonell Ada Natalia. "Solar Irradiance Variations Induced by Faculae and Small Magnetic Elements in the Photosphere". Doctoral thesis, Universitat de Barcelona, 2003. http://hdl.handle.net/10803/733.

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The aim of this thesis is the study of the total and spectral solar irradiance variability induced by the presence of small magnetic elements that emerge into the solar photosphere. It is important to study changes in the solar energy output because they reflect the existence of several physical processes in the solar interior, their interpretation helps to understand the solar cycle and because of their influence on the terrestrial climate. The work presented in this thesis is exclusively based on data provided by the SOHO spacecraft, specifically by the VIRGO and MDI instruments.

Irradiance variations produced on the solar rotation time-scale are due to the passage of active regions across the solar disk. However, the origin of variations on the solar cycle time-scale is under debate. One of the most controversial aspects is the long-term contribution of the small magnetic elements conforming faculae and the network. Their identification and contrast measurement is difficult and, consequently, their contrast center-to-limb variation (CLV) remains poorly defined in spite of the fact that its knowledge is essential to determine their contribution to variability.

In this work we have studied the contribution of small photospheric magnetic elements (those with a positive contribution to variability), both on short, i.e. solar rotation, and long, i.e. solar cycle, time-scales. By analyzing the evolution of an isolated active region (NOAA AR 7978) during several Carrington rotations, we have evaluated the variations in luminosity induced by this facular region during the 1996 minimum of activity. Simultaneous photometric and magnetic data from the MDI instrument have been combined in order to study the contrast of small scale magnetic features and its dependence both on position and magnetic field, as well as its evolution along the rising phase of solar cycle 23.

The study of the solar variability has required reduction and analysis of the employed MDI and VIRGO data. These data had to be converted from level 0 (raw data) to level 2 (scientifically useful data), since solar variations were hidden by instrumental effects. We developed original algorithms to correct instrument-related effects from the data, such as filter degradation and the variation of the limb darkening with distance. The determination of the contrast of magnetic features also required the development of an algorithm in order to identify the surface distribution of those small features present over the solar disk.

By analyzing irradiance variations induced by the small magnetic features that emerge into the solar photosphere we have concluded that:

· active region faculae and the magnetic network present very different contrast CLV's, therefore, their contributions to irradiance variability are distinct; as a consequence, both contributions need to be taken into account separately when reconstructing variations of the solar irradiance.

· the functional dependence on position and magnetic signal of the facular contrast is time independent; this suggests that the physical properties of the underlying flux tubes do not vary with time.

· network elements are bright over the whole solar disk and have proved to be the dominant population along the solar cycle; this implies that their contribution to long-term irradiance variations is significant and needs to be taken into account.
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Hood, L. L., i S. Zhou. "Stratospheric effects of 27-day solar ultraviolet variations: The column ozone response and comparisons of solar cycles 21 and 22". AMER GEOPHYSICAL UNION, 1999. http://hdl.handle.net/10150/624008.

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Two unresolved observational issues concerning the response of stratospheric ozone to 27-day solar ultraviolet variations are as follows: (1) the amplitude of the column ozone response and whether it is consistent with the predictions of current two-dimensional stratospheric models and (2) whether the ozone profile response in the upper stratosphere differed appreciably during the solar cycle 22 maximum period (around 1990) as compared with the solar cycle 21 maximum period (around 1980). To investigate these issues, two separate 4-year intervals (1979–1982 and 1989–1992) of daily zonal mean Nimbus 7 Total Ozone Mapping Spectrometer, Nimbus 7 solar backscattered ultraviolet (SBUV), and/or NOAA 11 SBUV/2 data for tropical latitudes (30°S to 30°N) are analyzed using cross correlation and cross-spectral and regression methods. The Mg II core-to-wing ratio is employed as a measure of solar UV variations near 200 nm. Results show that the mean tropical column ozone sensitivity (percent change of ozone for a 1% change in solar flux) is 0.09±0.01 at a lag of 4–6 days during both intervals and is approximately consistent with model predictions. Ozone profile sensitivities and phase lags are also in agreement between the two 4-year intervals when statistical uncertainties and differences in data processing algorithms are considered.
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Hood, L. L. "Lagged response of tropical tropospheric temperature to solar ultraviolet variations on intraseasonal time scales". AMER GEOPHYSICAL UNION, 2016. http://hdl.handle.net/10150/623304.

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Correlative and regression analyses of daily ERA-Interim reanalysis data for three separate solarmaximum periods confirm the existence of a temperature response to short-term (mainly ∼27 day) solarultraviolet variations at tropical latitudes in both the lower stratosphere and troposphere. The response,which occurs at a phase lag of 6–10 days after the solar forcing peak, consists of a warming in the lowerstratosphere, consistent with relative downwelling and a slowing of the mean meridional (Brewer-Dobson)circulation, and a cooling in the troposphere. The midtropospheric cooling response is most significant inthe tropical Pacific, especially under positive El Niño–Southern Oscillation conditions and may be relatedto a reduction in the number of Madden-Julian oscillation events that propagate eastward into the centralPacific following peaks in short-term solar forcing.
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Montenegro, Cristian Fernando Torres. "Modelling of utility-scale PV systems and effects of solar irradiance variations on voltage levels". Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/3/3143/tde-24032017-132931/.

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This work presents a dynamic model for utility-scale PV systems. The model is based on a centralized converter topology, which uses a voltage-sourced converter (VSC) to facilitate the exchange of energy between PV generators and the utility grid. The related control system regulates active and reactive power injected by the PV system, based on a current control strategy. Moreover, the model includes a Maximum Power Point Tracking (MPPT) scheme, implemented with the incremental conductance method. Dimensioning of the model is presented as well as simulation cases to validate its performance. Subsequently, the model was used to analyze the effect of variations in solar radiation on a test network with high penetration of photovoltaic generation. Results showed that without proper compensation of reactive power, variations in solar radiation can cause voltage fluctuations outside allowable limits. Thus, in order to mitigate these fluctuations, local control strategies were implemented to allow the exchange of reactive power between the solar farm and the utility grid. Simulations showed that the proposed strategies can mitigate voltage fluctuations at the point of common coupling, improving voltage regulation in the network.
Este trabalho apresenta um modelo dinâmico de sistemas fotovoltaicos de grande escala. O modelo é baseado em uma topologia de conversor centralizado, que usa um conversor de fonte de tensão (VSC) para facilitar a troca de energia entre os geradores fotovoltaicos e a rede elétrica. O sistema de controle relacionado regula a energia ativa e reativa injetada pelo sistema fotovoltaico, com base em uma estratégia de controle de corrente. Além disso, o modelo inclui um sistema de rastreamento de ponto de potência máxima (MPPT), implementado com o método da condutância incremental. O dimensionamento do modelo é apresentado, bem como vários casos de simulação para validar o seu desempenho. Posteriormente, o modelo foi utilizado para analisar o efeito das variações na radiação solar sobre uma rede de teste com uma elevada penetração de geração fotovoltaica. Os resultados mostraram que sem uma adequada compensação de energia reativa, as variações na radiação solar podem causar flutuações de tensão fora dos limites permitidos. Assim, a fim de mitigar estas flutuações, estratégias de controle local foram implementadas para permitir a troca de potência reativa entre os sistemas fotovoltaicos e a rede. As simulações mostraram que as estratégias propostas podem mitigar as flutuações de tensão no ponto de acoplamento comum, melhorando a regulação de tensão na rede.
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Austin, J., L. L. Hood i B. E. Soukharev. "Solar cycle variations of stratospheric ozone and temperature in simulations of a coupled chemistry-climate model". COPERNICUS, 2007. http://hdl.handle.net/10150/623329.

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The results from three 45-year simulations of a coupled chemistry climate model are analysed for solar cycle influences on ozone and temperature. The simulations include UV forcing at the top of the atmosphere, which includes a generic 27-day solar rotation effect as well as the observed monthly values of the solar fluxes. The results are analysed for the 27-day and 11-year cycles in temperature and ozone. In accordance with previous results, the 27-day cycle results are in good qualitative agreement with observations, particularly for ozone. However, the results show significant variations, typically a factor of two or more in sensitivity to solar flux, depending on the solar cycle. In the lower and middle stratosphere we show good agreement also between the modelled and observed 11-year cycle results for the ozone vertical profile averaged over low latitudes. In particular, the minimum in solar response near 20 hPa is well simulated. In comparison, experiments of the model with fixed solar phase (solar maximum/solar mean) and climatological sea surface temperatures lead to a poorer simulation of the solar response in the ozone vertical profile, indicating the need for variable phase simulations in solar sensitivity experiments. The role of sea surface temperatures and tropical upwelling in simulating the ozone minimum response are also discussed.
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Książki na temat "Solar variations"

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Kärner, Olavi. Effective cloud cover variations. Hampton, Va., USA: A. Deepak Pub., 1993.

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T, DeLand M., Hillsenrath E i United States. National Aeronautics and Space Administration., red. NOAA-11 SBUV/2 measurements of solar UV variations. [Washington, DC: National Aeronautics and Space Administration, 1995.

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T, DeLand M., Hillsenrath E i United States. National Aeronautics and Space Administration., red. NOAA-11 SBUV/2 measurements of solar UV variations. [Washington, DC: National Aeronautics and Space Administration, 1995.

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T, DeLand M., Hillsenrath E i United States. National Aeronautics and Space Administration., red. NOAA-11 SBUV/2 measurements of solar UV variations. [Washington, DC: National Aeronautics and Space Administration, 1995.

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1941-, Stephenson F. Richard, i Wolfendale A. W, red. Secular solar and geomagnetic variations in the last 10,000 years. Dordrecht: Kluwer Academic Publishers, 1988.

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Heber, Bernd, Jószef Kóta i R. von Steiger. Cosmic rays in the heliosphere: Temporal and spatial variations. Redaktor International Space Science Institute. New York: Springer, 2014.

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Stephenson, F. R., i A. W. Wolfendale, red. Secular Solar and Geomagnetic Variations in the Last 10,000 Years. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-3011-7.

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H, Hathaway David, Reichmann Edwin J i George C. Marshall Space Flight Center., red. On determining the rise, size, and duration classes of a sunspot cycle. Marshall Space Flight Center, Ala: National Aeronautics and Space Administration, 1996.

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Wilson, Robert M. On determining the rise, size, and duration classes of a sunspot cycle. Washington, D.C: National Aeronautics and Space Administration, 1996.

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H, Hathaway David, Reichmann Edwin J i George C. Marshall Space Flight Center., red. On determining the rise, size, and duration classes of a sunspot cycle. Marshall Space Flight Center, Ala: National Aeronautics and Space Administration, 1996.

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Części książek na temat "Solar variations"

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Willson, R. C. "Solar Irradiance Variations". W The Many Faces of the Sun, 19–40. New York, NY: Springer New York, 1999. http://dx.doi.org/10.1007/978-1-4612-1442-7_2.

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Fröhlich, Claus. "Solar Constant solar constant and Total Solar Irradiance Variations total solar irradiance (TSI) variations". W Encyclopedia of Sustainability Science and Technology, 9469–86. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4419-0851-3_443.

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Fröhlich, Claus. "Solar Constant solar constant and Total Solar Irradiance Variations total solar irradiance (TSI) variations". W Solar Energy, 399–416. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-5806-7_443.

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Fröhlich, Claus, i Judith Lean. "Total Solar Irradiance Variations". W New Eyes to See Inside the Sun and Stars, 89–102. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-4982-2_19.

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Spruit, H. C. "Solar Irradiance Variations: Theory". W New Eyes to See Inside the Sun and Stars, 103–9. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-4982-2_20.

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Lario, David, i George M. Simnett. "Solar energetic particle variations". W Solar Variability and Its Effects on Climate, 195–216. Washington, D. C.: American Geophysical Union, 2004. http://dx.doi.org/10.1029/141gm14.

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Fröhlich, Claus. "Observations of Irradiance Variations". W Solar Variability and Climate, 15–24. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-010-0888-4_2.

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Reames, Donald V. "Introducing the Sun and SEPs". W Solar Energetic Particles, 1–18. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66402-2_1.

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AbstractThe structure of the Sun, with its energy generation and heating, creates convection and differential rotation of the outer solar plasma. This convection and rotation of the ionized plasma generates the solar magnetic field. This field and its variation spawn all of the solar activity: solar active regions, flares, jets, and coronal mass ejections (CMEs). Solar activity provides the origin and environment for both the impulsive and gradual solar energetic particle (SEP) events. This chapter introduces the background environment and basic properties of SEP events, time durations, abundances, and solar cycle variations.
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Freeman, John W., i Ramon E. Lopez. "Solar Cycle Variations in the Solar Wind". W Solar Wind — Magnetosphere Coupling, 179–90. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4722-1_14.

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Unruh, Y. C., S. K. Solanki i M. Fligge. "Modelling Solar Irradiance Variations: Comparison with Observations, Including Line-Ratio Variations". W Solar Variability and Climate, 145–52. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-010-0888-4_14.

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Streszczenia konferencji na temat "Solar variations"

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Zhivanovich, I., A. A. Osipova, P. V. Strekalova i V. G. Ivanov. "INTERPLANETARY MAGNETIC FIELD VARIATIONS ON THE LONG TIME SCALES". W All-Russia Conference on Solar and Solar-Terrestrial Physics. The Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, 2019. http://dx.doi.org/10.31725/0552-5829-2019-165-168.

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Nagovitsyn, Yu A., i A. A. Osipova. "INTERPLANETARY MAGNETIC FIELD VARIATIONS ON THE LONG TIME SCALES". W All-Russia Conference on Solar and Solar-Terrestrial Physics. The Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, 2019. http://dx.doi.org/10.31725/0552-5829-2019-305-308.

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Andreeva, O. A., V. I. Abramenko i V. M. Malashchuk. "ASYMMETRY VARIATIONS IN THE 24TH CYCLE OF SOLAR ACTIVITY". W All-Russia Conference on Solar and Solar-Terrestrial Physics. The Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, 2021. http://dx.doi.org/10.31725/0552-5829-2021-35-38.

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Ho, G. C. "Composition Variations during Large Solar Energetic Particle Events". W SOLAR WIND TEN: Proceedings of the Tenth International Solar Wind Conference. AIP, 2003. http://dx.doi.org/10.1063/1.1618672.

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Neugebauer, M., B. E. Goldstein, D. J. McComas, S. T. Suess i A. Balogh. "Velocity variations in the high-latitude solar wind". W Proceedings of the eigth international solar wind conference: Solar wind eight. AIP, 1996. http://dx.doi.org/10.1063/1.51461.

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Chapanov, Y. "Solar Harmonics and ENSO Variations". W 11th Congress of the Balkan Geophysical Society. European Association of Geoscientists & Engineers, 2021. http://dx.doi.org/10.3997/2214-4609.202149bgs42.

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Gorshkov, V., i Ya Chapanov. "WINTER NORTH ATLANTIC OSCILLATIONS DRIVEN BY TOTAL SOLAR IRRADIANCE VARIATIONS". W All-Russia Conference on Solar and Solar-Terrestrial Physics. The Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, 2019. http://dx.doi.org/10.31725/0552-5829-2019-119-122.

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von Steiger, R., L. A. Fisk, G. Gloeckler, N. A. Schwadron i T. H. Zurbuchen. "Composition variations in fast solar wind streams". W The solar wind nine conference. AIP, 1999. http://dx.doi.org/10.1063/1.58791.

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Kirov, B., i K. Georgieva. "LONG-TERM VARIATIONS IN THE CORRELATION BETWEEN SOLAR ACTIVITY AND CLIMATE". W All-Russia Conference on Solar and Solar-Terrestrial Physics. The Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, 2020. http://dx.doi.org/10.31725/0552-5829-2020-153-158.

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Andreeva, O. A., i V. M. Malaschuk. "VARIATIONS IN THE ROTATION RATE OF THE CORONAL HOLE 2015–2017". W All-Russia Conference on Solar and Solar-Terrestrial Physics. The Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, 2018. http://dx.doi.org/10.31725/0552-5829-2018-27-30.

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Raporty organizacyjne na temat "Solar variations"

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Paul, A. K. Diurnal, Seasonal and Solar Activity Variations of F-Region Parameters. Fort Belvoir, VA: Defense Technical Information Center, marzec 1994. http://dx.doi.org/10.21236/ada278106.

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Forbes, Jeffrey M. Thermosphere Structure Variations during High Solar and Magnetic Activity Conditions. Fort Belvoir, VA: Defense Technical Information Center, wrzesień 1985. http://dx.doi.org/10.21236/ada171350.

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Akasofu, S. I., i L. C. Lee. A Study of the Relationship between Solar Activity and Interplanetary Field Variations. Fort Belvoir, VA: Defense Technical Information Center, luty 1986. http://dx.doi.org/10.21236/ada169983.

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Marion, B. Preliminary Investigation of Methods for Correcting for Variations in Solar Spectrum under Clear Skies. Office of Scientific and Technical Information (OSTI), marzec 2010. http://dx.doi.org/10.2172/974901.

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Jenan, R., T. L. Dammalage i A. Kealy. The Influences of Solar Activities on TEC Variations of Equatorial Ionosphere over Sri Lanka. Balkan, Black sea and Caspian sea Regional Network for Space Weather Studies, marzec 2020. http://dx.doi.org/10.31401/sungeo.2019.02.05.

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Jenan, R., T. L. Dammalage i A. Kealy. The Influences of Solar Activities on TEC Variations of Equatorial Ionosphere over Sri Lanka. Balkan, Black sea and Caspian sea Regional Network for Space Weather Studies, marzec 2020. http://dx.doi.org/10.31401/sungeo.2020.02.05.

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Khaled, Safinaz A., Luc Damé, Mohamed A. Semeida, Magdy Y. Amin, Ahmed Ghitas, Shahinaz Yousef i Penka Stoeva. Variations of the Hydrogen Lyman Alpha Line throughout Solar Cycle 24 on ESA/PROBA-2 and SORCE/SOLSTICE Data. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, wrzesień 2020. http://dx.doi.org/10.7546/crabs.2020.09.10.

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Bojilova, Rumiana, i Plamen Mukhtarov. Relationship Between Short-term Variations of Solar Activity and Critical Frequencies of the Ionosphere Represented by FoF2 and MUF3000. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, październik 2020. http://dx.doi.org/10.7546/crabs.2020.10.11.

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Riordan, C. J., i R. L. Hulstrom. Summary of studies that examine the effects of spectral solar radiation variations on PV (photovoltaic) device design and performance. Office of Scientific and Technical Information (OSTI), marzec 1989. http://dx.doi.org/10.2172/6222971.

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Davidson, Carolyn, i Robert Margolis. Selecting Solar: Insights into Residential Photovoltaic (PV) Quote Variation. Office of Scientific and Technical Information (OSTI), październik 2015. http://dx.doi.org/10.2172/1225927.

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