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Sunspot Number

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

... relative sunspot number for a similar period, has been acquired from similar ...relative sunspot number and ...The sunspot numbers and transition are considered together from ...

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ANATOMY OF SOLAR CYCLE LENGTH AND SUNSPOT NUMBER: DEPENDENCE OF AVERAGE GLOBAL TEMPERATURE ON SOLAR ACTIVITY

ANATOMY OF SOLAR CYCLE LENGTH AND SUNSPOT NUMBER: DEPENDENCE OF AVERAGE GLOBAL TEMPERATURE ON SOLAR ACTIVITY

... average sunspot number and duration for sunspot cycles while ...double sunspot cycles, technically named as Hale cycles [Bhattacharya et ...

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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

... of sunspot number activity during the solar cycles 21, 22, 23 & ...The number of sunspots that can be seen on the surface of sun increases and decreases in a regular pattern known as a solar ...

5

Spanish Flu, SARS, MERS CoV by CO2 Emission and Maximal Sunspot Number

Spanish Flu, SARS, MERS CoV by CO2 Emission and Maximal Sunspot Number

... maximal sunspot number, 3) the aeolian desert dust region (Spanish flu; Saharan, SARS; Asian, MERS-CoV; Arabian), 4) similar incubation period (AIV; 5, SARS; 2 - 7, MERS-CoV; 5 days), 5) different ...

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Relationship between the Sunspot Number and Solar Polar Field by Wavelet Based Multifractal Analysis

Relationship between the Sunspot Number and Solar Polar Field by Wavelet Based Multifractal Analysis

... The sunspot number (SSN) has an 11-year cycle and the solar magnetic field has a 22-year cycle, exactly twice that of the sunspot cycle, because the polarity of the field returns to its original ...

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Predictions of El Niño, La Niña and Record Low Chicago Temperature by Sunspot Number

Predictions of El Niño, La Niña and Record Low Chicago Temperature by Sunspot Number

... the sunspot number in Figure 1 and their intensities based on Oceanic Niño Index (ONI) [12] while 4 El Niño Index (very strong 4, strong 3, moderate 2, weak 1) and 3 La Niña Index (strong 3, moderate 2, ...

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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

... of sunspot numbers were observed. Number of geomagnetic storms (Dst < -100 nT) observed during this cycle were found to ...on sunspot number cycle 23 peaked in April 2000 but the period ...

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Sodankylä ionospheric tomography data set 2003–2014

Sodankylä ionospheric tomography data set 2003–2014

... The specific objective of this paper is to investigate the so- lar cycle variations in VTEC data obtained from the iono- spheric tomography analysis. As reference material, the VTEC values derived from the IRI-2012 model ...

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Sunspot variability and an attempt to predict solar cycle 23 by adaptive filtering

Sunspot variability and an attempt to predict solar cycle 23 by adaptive filtering

... in sunspot number (see ...in sunspot series can be derived by a simple model involving primarily the 22 ...the sunspot pair. In the R z time series, only the number of spots and ...

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Space Weather Association with Sunspots and Geomagnetic Storms for Solar Cycle 23 (1996-2007)
and Solar Cycle 24 (2008-2016)

Space Weather Association with Sunspots and Geomagnetic Storms for Solar Cycle 23 (1996-2007) and Solar Cycle 24 (2008-2016)

... the sunspot number (SSN) and moderate geomagnetic storms (criteria -50 nT ≤ Dst < -100 nT) and consequently in respect of space weather for solar cycle 23 and ...

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Application of the Cross Wavelet Transform to Solar Activity and Major Earthquakes Occurred in Chile

Application of the Cross Wavelet Transform to Solar Activity and Major Earthquakes Occurred in Chile

... Historical earthquakes registered in Chile (from 1900 up to 2015) with epicenters lo- cated between 17˚30'S and 56˚0'S latitude and yearly mean total sunspot number have been considered in order to evaluate ...

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Wavelet analysis of the singular spectral reconstructed time series to study the imprints of solar–ENSO–geomagnetic activity on Indian climate

Wavelet analysis of the singular spectral reconstructed time series to study the imprints of solar–ENSO–geomagnetic activity on Indian climate

... Abstract. To study the imprints of the solar–ENSO– geomagnetic activity on the Indian subcontinent, we have ap- plied singular spectral analysis (SSA) and wavelet analysis to the tree-ring temperature variability record ...

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Long term evolution of geomagnetic activity under the influence of 11 year cyclic variations in solar activity during solar cycle 23 and 24

Long term evolution of geomagnetic activity under the influence of 11 year cyclic variations in solar activity during solar cycle 23 and 24

... ABSTRACT: The solar activity follows an eleven year cyclic variability. The long term changes in the solar activity have a direct impact on the geomagnetic activity. In the present study, we have investigated the ...

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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

... a number of different processes occurring mostly in the Sun’s convection zone, surface (photosphere), and ...of sunspot number for the solar cycles 22, 23 & 24, and the Sunspots appear as dark ...

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Agricultural Drought Modeling Using Remote Sensing

Agricultural Drought Modeling Using Remote Sensing

... including sunspot number as the third ...fortnight, sunspot numbers of current fortnight were ...total sunspot data was obtained from ...

6

A 3 year observation of the ionospheric critical frequency over Malaysia

A 3 year observation of the ionospheric critical frequency over Malaysia

... The sunspot number is used as a parameter to compare the values of critical frequency at high sunspot and low sunspot numbers for the ...

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Solar Geomagnetic and Interplanetary Relations of Suicidal Death in Slovakia during the Period of 1997 -2010

Solar Geomagnetic and Interplanetary Relations of Suicidal Death in Slovakia during the Period of 1997 -2010

... yearly Sunspot Numbers (SSN) and yearly mean of Solar Flare Index (SFI) are at a maximum, the death due to suicide has been found to be comparatively low in comparison to corresponding Solar Minimum, where the ...

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Solar Activity during the Rising Phase of Solar Cycle 24

Solar Activity during the Rising Phase of Solar Cycle 24

... The number of sunspots rises and falls and rises again in about 11 ...the sunspot number, the rate at which flux and coronal mass ejections occur, the flux of solar X-rays and radio ...

5

Study of geomagnetic storm observed during March 1989

Study of geomagnetic storm observed during March 1989

... (sunspot number, solar proton flux, solar flare class, frequency occurrence of solar flare) as well as geomagnetic disturbance indices (Ap, Kp, Dst) and cosmic ray intensity data from ground based neutron ...

5

Trends of Temperature and Signature of  Solar Activity in Selected Stations in Nigeria

Trends of Temperature and Signature of Solar Activity in Selected Stations in Nigeria

... was sunspot number (SSN) from 1946-2010 obtained from the National Geophysical Data Center (NGDC), Boulder, Colo- rado, ...and sunspot number were analyzed by means of parametric ...

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