scholarly journals Correction to “Annual variation in near-Earth solar wind speed: Evidence for persistent north-south asymmetry related to solar magnetic polarity”

1998 ◽  
Vol 25 (14) ◽  
pp. 2653-2653 ◽  
Author(s):  
B. Zieger ◽  
K. Mursula
Keyword(s):  
Solar Wind ◽  
Wind Speed ◽  
Annual Variation ◽  
Solar Wind Speed ◽  
Magnetic Polarity ◽  
South Asymmetry

North-south asymmetry in global distribution of the solar wind speed during 1985-2013

2015 ◽  
Vol 120 (5) ◽  
pp. 3283-3296 ◽  
Author(s):  
Munetoshi Tokumaru ◽  
Ken'ichi Fujiki ◽  
Tomoya Iju
Keyword(s):  
Solar Wind ◽  
Wind Speed ◽  
Solar Wind Speed ◽  
Global Distribution ◽  
South Asymmetry

North-South Asymmetry of the Polar Solar Wind and Some Characteristics of Solar Magnetic Field

1996 ◽  
Vol 154 ◽  
pp. 165-168
Author(s):  
T.E. Girish ◽  
G. Gopkumar
Keyword(s):  
Magnetic Field ◽  
Solar Wind ◽  
Wind Speed ◽  
Solar Magnetic Field ◽  
Solar Wind Speed ◽  
Sunspot Cycle ◽  
Coronal Magnetic Field ◽  
Sunspot Activity ◽  
Dipolar Contribution ◽  
South Asymmetry

AbstractWe have found correlated variations of the yearly averaged north-south asymmetry in the polar solar wind speed (Δsol) and the ratio of the zonal quadrupolar to the zonal dipolar contribution in the inferred coronal magnetic field during the declining phase of sunspot cycle 21. A physically meaningful association between Δsol and some polar solar magnetic field proxies is also observed during the low sunspot activity periods of the above cycle.

Coronal density and the solar wind speed at all latitudes

1981 ◽  
Vol 86 (A11) ◽  
pp. 8869 ◽  
Author(s):  
D. G. Sime ◽  
B. J. Rickett
Keyword(s):  
Solar Wind ◽  
Wind Speed ◽  
Solar Wind Speed ◽  
Coronal Density

scholarly journals Responses and Periodic Variations of Cosmic Ray Intensity and Solar Wind Speed to Sunspot Numbers

2020 ◽  
Vol 2020 ◽  
pp. 1-10 ◽  
Author(s):  
Jacob Oloketuyi ◽  
Yu Liu ◽  
Amobichukwu Chukwudi Amanambu ◽  
Mingyu Zhao
Keyword(s):  
Solar Wind ◽  
Wind Speed ◽  
Solar Wind Speed ◽  
Phase Relationship ◽  
Cosmic Ray ◽  
Strong Negative Correlation ◽  
Cosmic Ray Intensity ◽  
Sunspot Numbers ◽  
Daily Data ◽  
Wide Range

To investigate the periodic behaviour and relationship of sunspot numbers with cosmic ray intensity and solar wind speed, we present analysis from daily data generated from 1995 January to 2018 December. Cross-correlation and wavelet transform tools were employed to carry out the investigation. The analyses confirmed that the cosmic ray intensity correlates negatively with the sunspot numbers, exhibiting an asynchronous phase relationship with a strong negative correlation. The trend in cosmic ray intensity indicates that it undergoes the 11-year modulation that mainly depends on the solar activity in the heliosphere. On the other hand, the solar wind speed neither shows a clear phase relationship nor correlates with the sunspot numbers but shows a wide range of periodicities that could possibly be connected to the pattern of coronal hole configuration. A number of short and midterm variations were also observed from the wavelet analysis, i.e., 64–128 and 128–256 days for the cosmic ray intensity, 4–8, 32–64, 128–256, and 256–512 days for the solar wind speed, and 16–32, 32–64, 128–256, and 256–512 days for the sunspot numbers.

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