Jensen-Shannon Complexity and Permutation Entropy Analysis of Geomagnetic Auroral Currents

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Jensen-Shannon Complexity and Permutation Entropy Analysis of Geomagnetic Auroral Currents. / Osmane, Adnane; Dimmock, Andrew P.; Pulkkinen, Tuija I.

julkaisussa: Journal of geophysical research: Space physics, Vuosikerta 124, Nro 4, 04.2019, s. 2541-2551.

Tutkimustuotos: Lehtiartikkelivertaisarvioitu

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@article{3afad9a66e1b4ac9bfe8081c76fbc263,
title = "Jensen-Shannon Complexity and Permutation Entropy Analysis of Geomagnetic Auroral Currents",
abstract = "In this study we determine whether auroral westward currents can be characterized by low-dimensional chaotic attractors through the use of the complexity-entropy methodology developed by Rosso et al. (2007, https://doi.org/10.1103/PhysRevLett.99.154102) and based on the permutation entropy developed by Bandt and Pompe (2002, https://doi.org/10.1103/PhysRevLett.88.174102). Our results indicate that geomagnetic auroral indices are indistinguishable from stochastic processes from time scales ranging from a few minutes to 10 hr and for embedded dimensions d < 8. Our results are inconsistent with earlier studies of Baker et al. (1990, https://doi.org/10.1029/GL017i001p00041), Pavlos et al. (1992), D. Roberts et al. (1991, https://doi.org/10.1029/91GL00021), D. A. Roberts (1991, https://doi.org/10.1029/91JA01088), and Vassiliadis et al. (1990, https://doi.org/10.1029/GL017i011p01841, 1991, https://doi.org/10.1029/91GL01378) indicating that auroral geomagnetic indices could be reduced to low-dimensional systems with chaotic dynamics.",
author = "Adnane Osmane and Dimmock, {Andrew P.} and Pulkkinen, {Tuija I.}",
note = "Lis{\"a}{\"a} published version 6 kk:n embargolla, kun julkaistu.",
year = "2019",
month = "4",
doi = "10.1029/2018JA026248",
language = "English",
volume = "124",
pages = "2541--2551",
journal = "Journal of geophysical research: Space physics",
issn = "2169-9380",
number = "4",

}

RIS - Lataa

TY - JOUR

T1 - Jensen-Shannon Complexity and Permutation Entropy Analysis of Geomagnetic Auroral Currents

AU - Osmane, Adnane

AU - Dimmock, Andrew P.

AU - Pulkkinen, Tuija I.

N1 - Lisää published version 6 kk:n embargolla, kun julkaistu.

PY - 2019/4

Y1 - 2019/4

N2 - In this study we determine whether auroral westward currents can be characterized by low-dimensional chaotic attractors through the use of the complexity-entropy methodology developed by Rosso et al. (2007, https://doi.org/10.1103/PhysRevLett.99.154102) and based on the permutation entropy developed by Bandt and Pompe (2002, https://doi.org/10.1103/PhysRevLett.88.174102). Our results indicate that geomagnetic auroral indices are indistinguishable from stochastic processes from time scales ranging from a few minutes to 10 hr and for embedded dimensions d < 8. Our results are inconsistent with earlier studies of Baker et al. (1990, https://doi.org/10.1029/GL017i001p00041), Pavlos et al. (1992), D. Roberts et al. (1991, https://doi.org/10.1029/91GL00021), D. A. Roberts (1991, https://doi.org/10.1029/91JA01088), and Vassiliadis et al. (1990, https://doi.org/10.1029/GL017i011p01841, 1991, https://doi.org/10.1029/91GL01378) indicating that auroral geomagnetic indices could be reduced to low-dimensional systems with chaotic dynamics.

AB - In this study we determine whether auroral westward currents can be characterized by low-dimensional chaotic attractors through the use of the complexity-entropy methodology developed by Rosso et al. (2007, https://doi.org/10.1103/PhysRevLett.99.154102) and based on the permutation entropy developed by Bandt and Pompe (2002, https://doi.org/10.1103/PhysRevLett.88.174102). Our results indicate that geomagnetic auroral indices are indistinguishable from stochastic processes from time scales ranging from a few minutes to 10 hr and for embedded dimensions d < 8. Our results are inconsistent with earlier studies of Baker et al. (1990, https://doi.org/10.1029/GL017i001p00041), Pavlos et al. (1992), D. Roberts et al. (1991, https://doi.org/10.1029/91GL00021), D. A. Roberts (1991, https://doi.org/10.1029/91JA01088), and Vassiliadis et al. (1990, https://doi.org/10.1029/GL017i011p01841, 1991, https://doi.org/10.1029/91GL01378) indicating that auroral geomagnetic indices could be reduced to low-dimensional systems with chaotic dynamics.

UR - http://www.scopus.com/inward/record.url?scp=85063905360&partnerID=8YFLogxK

U2 - 10.1029/2018JA026248

DO - 10.1029/2018JA026248

M3 - Article

AN - SCOPUS:85063905360

VL - 124

SP - 2541

EP - 2551

JO - Journal of geophysical research: Space physics

JF - Journal of geophysical research: Space physics

SN - 2169-9380

IS - 4

ER -

ID: 33458958