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Solar Cycles

Influences of Solar Cycles on Earthquakes

Influences of Solar Cycles on Earthquakes

... of solar cycles on earthquakes through of statistical ...of Solar cycle, and also de- pends on the tectonic plate ...grand solar minima, the Maunder (1645-1720) and the Dalton (1790-1820) ...

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The thermal properties of solar flares over three solar cycles using GOES X ray observations

The thermal properties of solar flares over three solar cycles using GOES X ray observations

... 50,000 solar flares occurring over nearly three solar cycles (1980-2007), and used to create an extensive catalog of the solar flare thermal prop- ...on Solar Monitor ...

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Relationship between the low latitude coronal hole area, solar wind velocity, and geomagnetic activity during solar cycles 23 and 24

Relationship between the low latitude coronal hole area, solar wind velocity, and geomagnetic activity during solar cycles 23 and 24

... There have been many previous studies on the charac- teristics of plasma environmental changes in the mag- netosphere and the ionosphere due to high-speed solar winds with a CH origin [e.g., Harvey and Sheeley ...

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Variations in Solar Cycles 22, 23 & 24 and Their Effect on Earth’s Climate

Variations in Solar Cycles 22, 23 & 24 and Their Effect on Earth’s Climate

... of solar activity, cosmic ray intensity and geomagnetic activity on Earth’s climate during solar cycles 22, 23 and 24 has been ...some solar activity indices, cosmic ray intensity and ...

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On the radiation belt location during the 23rd and 24th solar cycles

On the radiation belt location during the 23rd and 24th solar cycles

... two solar cycles (from 2001 to 2018), the location of the outer radiation belt (ORB) was de- termined using NOAA/Polar-orbiting Operational Environ- mental Satellite (POES) observations of energetic ...

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Coronal Mass Ejections, Solar Cycles and Magnetic Poles Reversal

Coronal Mass Ejections, Solar Cycles and Magnetic Poles Reversal

... The activity of the Sun has long been a very important topic. Solar events include solar flares, coronal mass ejections (CMEs), magnetic poles reversal and their associated solar cycles. ...

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Comparative study of solar cycles 22 to 24 in relation to solar output variability

Comparative study of solar cycles 22 to 24 in relation to solar output variability

... longer solar cycles of the late 19 th and early 20 th century were associated with weather that was much colder than that of the late 20 th century ...

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Changes in the sensitivity of solar p mode frequency shifts to activity over three solar cycles

Changes in the sensitivity of solar p mode frequency shifts to activity over three solar cycles

... Low-degree solar p-mode observations from the long-lived Birmingham Solar Oscilla- tions Network (BiSON) stretch back further than any other single helioseismic data ...to solar activity levels may ...

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Solar wind plasma parameter variability across solar cycles 23 and 24 : from turbulence to extremes

Solar wind plasma parameter variability across solar cycles 23 and 24 : from turbulence to extremes

... Abstract Solar wind variability spans a wide range of amplitudes and timescales, from turbulent fluctuations to the 11 year solar ...spanning solar cycles 23 and 24, to study how the uniqueness ...

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Annual and Diurnal Variabilities in the Critical Frequency (foF2) during Geomagnetic Fluctuating Activity over Solar Cycles 21 and 22 at Ouagadougou

Annual and Diurnal Variabilities in the Critical Frequency (foF2) during Geomagnetic Fluctuating Activity over Solar Cycles 21 and 22 at Ouagadougou

... two solar cycles covered with our ...to solar cycles 21 and 22. Both cycles present similar trends: an increasing trend from a minimum value followed by a decreasing ...of solar ...

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The Effects of the Recurrent Storms on Fof2 at Ouagadougou Station during Solar Cycles 21 22

The Effects of the Recurrent Storms on Fof2 at Ouagadougou Station during Solar Cycles 21 22

... for solar cycles 21 and ...all solar cycle ...the solar decreasing phase and during spring ...shows solar cycle phase and seasonal ...the solar increasing phase and during summer ...

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A Study on Midrange Periodicity of Sunspot Number during Solar Cycles 21, 22, 23 & 24

A Study on Midrange Periodicity of Sunspot Number during Solar Cycles 21, 22, 23 & 24

... Abstract- In this paper, we are going to explore the feasibility of periodicity of sunspot number activity during the solar cycles 21, 22, 23 & 24. The Sunspots are cooler and darker regions on the ...

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A helioseismic perspective on the depth of the minimum between solar cycles 23 and 24

A helioseismic perspective on the depth of the minimum between solar cycles 23 and 24

... on solar and stellar modelling, the amplitude of the frequency shift is still small in comparison to the known surface effects, which cause observational and model p-mode frequencies to diverge ...standard ...

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Emission of F10.7 Solar Radio Flux and UV Flux Changes in Relation with Sunspot Number during 1986 - 2017 Solar Cycles

Emission of F10.7 Solar Radio Flux and UV Flux Changes in Relation with Sunspot Number during 1986 - 2017 Solar Cycles

... 18 solar cycle activity with the maximum and minimum phases of all the solar ...the solar cycle 19 shows a great enhancement over the others with above 350 sunspot ...recent solar cycle which ...

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Characterization of Last Four And Half Solar Cycles on the Basis of Intense Geomagnetic Storms

Characterization of Last Four And Half Solar Cycles on the Basis of Intense Geomagnetic Storms

... as solar activity. Solar activities and related events have been regularly recorded since the 8th ...the solar wind acceleration, flux emergence, light and energy particles released from the Sun such ...

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The dependence of solar wind burst size on burst duration and its invariance across solar cycles 23 and 24

The dependence of solar wind burst size on burst duration and its invariance across solar cycles 23 and 24

... of solar cycle phase, and takes a different value for each solar wind ...large-scale solar wind structures increase the probability of occurrence of an extreme geomagnetic event (Richardson et ...any ...

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CORRELATIVE ANALYSIS OF COSMIC RAY INTENSITY AND SOLAR ACTIVITY PARAMETERS

CORRELATIVE ANALYSIS OF COSMIC RAY INTENSITY AND SOLAR ACTIVITY PARAMETERS

... different solar geo parameters during their passage through ...with solar activity ...covering solar cycles 21, 22, 23 and 24 (from 1976 to ...even cycles pointed out that different ...

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Effects of solar activity and galactic cosmic ray cycles on the modulation of the annual average temperature at two sites in southern Brazil

Effects of solar activity and galactic cosmic ray cycles on the modulation of the annual average temperature at two sites in southern Brazil

... odd solar cycles, the GCR flux remains at a maximum for a period which is longer than that ob- served during transitions from odd to even cycles (Usoskin et ...

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RESPONSE OF NEUTRON MONITORS TO COSMIC RAY COUNTS: A STATISTICAL APPROACH

RESPONSE OF NEUTRON MONITORS TO COSMIC RAY COUNTS: A STATISTICAL APPROACH

... during solar cycles 21, 22, 23 and 24 are depicted in Figure 2(a) – ...respective solar cycle. The number of counts depends on diurnal cycle, solar activity, climate and altitude [Raubenheimer ...

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Unraveling the drivers of the storm time radiation belt response

Unraveling the drivers of the storm time radiation belt response

... large-scale solar wind storm drivers and their ...1.5 solar cycles) geosynchronous orbit data set from GOES and solar wind measurements A superposed epoch analysis, where we normalize the ...

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