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Solar flare induced cosmic noise absorption

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Solar flare induced cosmic noise absorption. / Ogunmodimu, Olugbenga; Honary, Farideh; Rogers, Neil Christopher; Falayi, Elijah; Bolaji, Segun.

In: NRIAG Journal of Astronomy and Geophysics, Vol. 7, No. 1, 06.2018, p. 31-39.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Ogunmodimu, O, Honary, F, Rogers, NC, Falayi, E & Bolaji, S 2018, 'Solar flare induced cosmic noise absorption', NRIAG Journal of Astronomy and Geophysics, vol. 7, no. 1, pp. 31-39. https://doi.org/10.1016/j.nrjag.2018.03.002

APA

Ogunmodimu, O., Honary, F., Rogers, N. C., Falayi, E., & Bolaji, S. (2018). Solar flare induced cosmic noise absorption. NRIAG Journal of Astronomy and Geophysics, 7(1), 31-39. https://doi.org/10.1016/j.nrjag.2018.03.002

Vancouver

Ogunmodimu O, Honary F, Rogers NC, Falayi E, Bolaji S. Solar flare induced cosmic noise absorption. NRIAG Journal of Astronomy and Geophysics. 2018 Jun;7(1):31-39. https://doi.org/10.1016/j.nrjag.2018.03.002

Author

Ogunmodimu, Olugbenga ; Honary, Farideh ; Rogers, Neil Christopher ; Falayi, Elijah ; Bolaji, Segun. / Solar flare induced cosmic noise absorption. In: NRIAG Journal of Astronomy and Geophysics. 2018 ; Vol. 7, No. 1. pp. 31-39.

Bibtex

@article{db9baadd231a49a4b532afca0f6386d7,
title = "Solar flare induced cosmic noise absorption",
abstract = "Solar flare events are a major observing emphasis for space weather because they affect the Earth's upper atmosphere and can eject high-energy particles that can adversely affect Earth's technologies. In this study we model 38.2 MHz cosmic noise absorption (CNA) by utilising measurements from the Imaging Riometer for Ionospheric Studies (IRIS) at Kilpisj{\"a}rvi, Finland obtained during solar cycle 23 (1996-2009). We utilised X-ray archive for the same period from the Geostationary Operational Environmental Satellite (GOES) to study solar flare induced cosmic noise absorption. We identified the threshold of flare (M4 class class) that could bear significant influence on CNA. Through epoch analysis, we show the magnitude of absorption that each class of flare could produce. Using the parameters of flare and absorption we present a model that could provide the basis for nowcast of CNA.",
keywords = "riometer, Solar flares, Ionosphere",
author = "Olugbenga Ogunmodimu and Farideh Honary and Rogers, {Neil Christopher} and Elijah Falayi and Segun Bolaji",
year = "2018",
month = jun,
doi = "10.1016/j.nrjag.2018.03.002",
language = "English",
volume = "7",
pages = "31--39",
journal = "NRIAG Journal of Astronomy and Geophysics",
issn = "2090-9977",
publisher = "National Research Institute of Astronomy and Geophysics",
number = "1",

}

RIS

TY - JOUR

T1 - Solar flare induced cosmic noise absorption

AU - Ogunmodimu, Olugbenga

AU - Honary, Farideh

AU - Rogers, Neil Christopher

AU - Falayi, Elijah

AU - Bolaji, Segun

PY - 2018/6

Y1 - 2018/6

N2 - Solar flare events are a major observing emphasis for space weather because they affect the Earth's upper atmosphere and can eject high-energy particles that can adversely affect Earth's technologies. In this study we model 38.2 MHz cosmic noise absorption (CNA) by utilising measurements from the Imaging Riometer for Ionospheric Studies (IRIS) at Kilpisjärvi, Finland obtained during solar cycle 23 (1996-2009). We utilised X-ray archive for the same period from the Geostationary Operational Environmental Satellite (GOES) to study solar flare induced cosmic noise absorption. We identified the threshold of flare (M4 class class) that could bear significant influence on CNA. Through epoch analysis, we show the magnitude of absorption that each class of flare could produce. Using the parameters of flare and absorption we present a model that could provide the basis for nowcast of CNA.

AB - Solar flare events are a major observing emphasis for space weather because they affect the Earth's upper atmosphere and can eject high-energy particles that can adversely affect Earth's technologies. In this study we model 38.2 MHz cosmic noise absorption (CNA) by utilising measurements from the Imaging Riometer for Ionospheric Studies (IRIS) at Kilpisjärvi, Finland obtained during solar cycle 23 (1996-2009). We utilised X-ray archive for the same period from the Geostationary Operational Environmental Satellite (GOES) to study solar flare induced cosmic noise absorption. We identified the threshold of flare (M4 class class) that could bear significant influence on CNA. Through epoch analysis, we show the magnitude of absorption that each class of flare could produce. Using the parameters of flare and absorption we present a model that could provide the basis for nowcast of CNA.

KW - riometer

KW - Solar flares

KW - Ionosphere

U2 - 10.1016/j.nrjag.2018.03.002

DO - 10.1016/j.nrjag.2018.03.002

M3 - Journal article

VL - 7

SP - 31

EP - 39

JO - NRIAG Journal of Astronomy and Geophysics

JF - NRIAG Journal of Astronomy and Geophysics

SN - 2090-9977

IS - 1

ER -