Relationships between the solar wind magnetic field and ground-level longwave irradiance at high northern latitudes

Frederick, John E.; Tinsley, Brian A.; Zhou, Limin

doi:10.1016/j.jastp.2019.105063

Cited by 19 publications

(35 citation statements)

References 42 publications

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“…Frederick et al. (2019) showed that the response to B Y is significant at about the 95% level. The correlation coefficients in Figure 4 exhibit a strong solar rotation 27‐days repetition, implicit in the sector structure.…”

Section: Observations At Alert Of Irradiance Variationsmentioning

confidence: 99%

“…The daily average infrared irradiances at Alert have an annual variation with a maximum in summer, as illustrated by Frederick et al (2019). For use in correlations and for in superposed epoch analyses with respect to the solar wind input, the daily values of the downwelling and upwelling infrared irradiances were smoothed with a running mean, covering 13 days before and after the central day, but excluding that day, and the differences of the observed values from the running means evaluated.…”

Section: Observations At Alert Of Irradiance Variationsmentioning

confidence: 99%

“…Figure 4 shows lagged correlations of D_IR and U_IR with negative IMF B y and VpN, for all months and for all sector types. This is an extension of an inverted version of the Figure 5 of Frederick et al (2019), and is a plot of correlation coefficient rather than regression coefficient. Frederick et al (2019) showed that the response to B Y is significant at about the 95% level.…”

Section: Observations At Alert Of Irradiance Variationsmentioning

confidence: 99%

“…This is an extension of an inverted version of the Figure 5 of Frederick et al (2019), and is a plot of correlation coefficient rather than regression coefficient. Frederick et al (2019) showed that the response to B Y is significant at about the 95% level. The correlation coefficients in Figure 4 exhibit a strong solar rotation 27-days repetition, implicit in the sector structure.…”

Section: Observations At Alert Of Irradiance Variationsmentioning

confidence: 99%

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Seasonal and Solar Wind Sector Duration Influences on the Correlation of High Latitude Clouds With Ionospheric Potential

Tinsley¹,

Zhou

Wang

et al. 2021

JGR Atmospheres

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Introduction 1.1. The Ionospheric Potential-Cloud Microphysics-Surface Pressure Hypothesis The electrical structure of the solar wind is highly variable, on day-today and long timescales, as is the physical nature and occurrence frequency of cloud cover. Thus, it is very difficult to investigate reported small effects of the solar wind on cloud properties and atmospheric dynamics, especially in the context of the hypothesized connection through the global atmospheric electric circuit and through slow acting microphysical electrical processes with time scales of days; all very difficult to obtain reliable data on at cloud level. Also, the small signal/noise ratio on the day-today timescale makes analysis of subsets of the data even more difficult. Publications dealing with day-today correlations of atmospheric pressure at high latitudes with IMF changes include

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Section: Observations At Alert Of Irradiance Variationsmentioning

confidence: 99%

Section: Observations At Alert Of Irradiance Variationsmentioning

confidence: 99%

Section: Observations At Alert Of Irradiance Variationsmentioning

confidence: 99%

Section: Observations At Alert Of Irradiance Variationsmentioning

confidence: 99%

See 2 more Smart Citations

Seasonal and Solar Wind Sector Duration Influences on the Correlation of High Latitude Clouds With Ionospheric Potential

Tinsley¹,

Zhou

Wang

et al. 2021

JGR Atmospheres

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“…A pathway involving solar activity, GEC, cloud development, and climate change has been proposed, which provides a good interpretation for a variety of solar-climate correlations (Frederick et al, 2019;Lam & Tinsley, 2015;Tinsley, 2008). In this hypothesis, the downward current density J z of the GEC plays an important role by charge deposition on droplets and aerosol particles affecting cloud microphysics (Zhang et al, 2019) and storm invigoration.…”

Section: 1029/2020gl087024mentioning

confidence: 99%

Low Latitude Lightning Activity Responses to Cosmic Ray Forbush Decreases

Zhang

Tinsley

Zhou

2020

Geophysical Research Letters

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The relation between low latitude lightning activity and Forbush decreases (FDs) of galactic cosmic rays was studied, with flash rates observed by the Lightning Image Sensor aboard the Tropical Rainfall Measuring Mission satellite and FDs selected from the events with decreases more than 2% measured by the Mexico City neutron monitor. The effect of spacecraft precession on Lightning Image Sensor data complicates the analysis, but this can be dealt with by the approach we use. Applying a superposed epoch analysis to all of the 70 FD cases, we found the low latitude lightning activity decreases by about 10% after the Forbush minimum, with a 95% confidence level tested by Monte Carlo simulation, and recovers 3 days later. The response is more significant in the Southern Hemisphere. Our result provides evidence for a proposed link between solar activity, cosmic rays, the global atmospheric electric circuit, and cloud microphysics.

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Seasonal and solar wind sector duration influences on the correlations of high latitude clouds with ionospheric potential.

Tinsley¹,

Zhou

Zhang

et al. 2020

Preprint

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Relationships between the solar wind magnetic field and ground-level longwave irradiance at high northern latitudes

Cited by 19 publications

References 42 publications

Seasonal and Solar Wind Sector Duration Influences on the Correlation of High Latitude Clouds With Ionospheric Potential

Seasonal and Solar Wind Sector Duration Influences on the Correlation of High Latitude Clouds With Ionospheric Potential

Low Latitude Lightning Activity Responses to Cosmic Ray Forbush Decreases

Seasonal and solar wind sector duration influences on the correlations of high latitude clouds with ionospheric potential.

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