The Earth's magnetosphere: a systems science overview and assessment

JE Borovsky, JA Valdivia - Surveys in geophysics, 2018 - Springer
A systems science examination of the Earth's fully interconnected dynamic magnetosphere
is presented. Here the magnetospheric system (aka the magnetosphere–ionosphere …

Causality and information transfer between the solar wind and the magnetosphere–ionosphere system

P Manshour, G Balasis, G Consolini, C Papadimitriou… - Entropy, 2021 - mdpi.com
An information-theoretic approach for detecting causality and information transfer is used to
identify interactions of solar activity and interplanetary medium conditions with the Earth's …

Origin of multifractality in solar wind turbulence: the role of current sheets

LF Gomes, TFP Gomes, EL Rempel… - Monthly Notices of the …, 2023 - academic.oup.com
In this work, a multifractal framework is proposed to investigate the effects of current sheets
in solar wind turbulence. By using multifractal detrended fluctuation analysis coupled with …

A climatology of long‐duration high 2‐MeV electron flux periods in the outer radiation belt

D Mourenas, OV Agapitov… - Journal of …, 2022 - Wiley Online Library
Since the advent of the Space Age, the importance of understanding and forecasting
relativistic electron fluxes in the Earth's radiation belts has been steadily growing due to the …

Canonical correlation analysis of the combined solar wind and geomagnetic index data sets

JE Borovsky - Journal of Geophysical Research: Space …, 2014 - Wiley Online Library
Canonical correlation analysis (CCA) will evaluate the degree of correlation between two
multivariate data sets and will uncover patterns of correlation between the two data sets …

Impact of significant time‐integrated geomagnetic activity on 2‐MeV electron flux

D Mourenas, AV Artemyev… - Journal of Geophysical …, 2019 - Wiley Online Library
We explore the impact on the outer radiation belt of significant time‐integrated ap events of
continuously elevated geomagnetic activity, making use of Van Allen Probes measurements …

Time‐integral correlations of multiple variables with the relativistic‐electron flux at geosynchronous orbit: The strong roles of substorm‐injected electrons and the ion …

JE Borovsky - Journal of Geophysical Research: Space …, 2017 - Wiley Online Library
Time‐integral correlations are examined between the geosynchronous relativistic electron
flux index F e1. 2 and 31 variables of the solar wind and magnetosphere. An “evolutionary …

Exploring the cross correlations and autocorrelations of the ULF indices and incorporating the ULF indices into the systems science of the solar wind‐driven …

JE Borovsky, MH Denton - Journal of Geophysical Research …, 2014 - Wiley Online Library
The ULF magnetospheric indices Sgr, Sgeo, Tgr, and Tgeo are examined and correlated
with solar wind variables, geomagnetic indices, and the multispacecraft‐averaged relativistic …

Outstanding questions in magnetospheric plasma physics: The pollenzo view

JE Borovsky, GL Delzanno, JA Valdivia… - Journal of Atmospheric …, 2020 - Elsevier
Based on discussions held at a workshop in Bra-Pollenzo, Italy, this paper elaborates upon
19 outstanding questions of plasma physics in the Earth's magnetosphere. The questions …

Transfer entropy and cumulant-based cost as measures of nonlinear causal relationships in space plasmas: applications to

JR Johnson, S Wing, E Camporeale - Annales Geophysicae, 2018 - angeo.copernicus.org
It is well known that the magnetospheric response to the solar wind is nonlinear. Information
theoretical tools such as mutual information, transfer entropy, and cumulant-based analysis …