Journal
GEOPHYSICAL RESEARCH LETTERS
Volume 45, Issue 1, Pages 90-97Publisher
AMER GEOPHYSICAL UNION
DOI: 10.1002/2017GL076058
Keywords
ionosphere; acoustic-gravity waves; thunderstorms; scintillation; plasma bubbles
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Funding
- Los Alamos National Laboratory's Laboratory Directed Research and Development (LDRD) [20130737ECR, 20160231ER]
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Ionospheric irregularities due to plasma bubbles, scintillation, and acoustic/gravity waves are studied in the low-latitude ionosphere in relation to thunderstorm activity. Ionospheric total electron content (TEC) measurements from the Low Latitude Ionospheric Sensor Network and lightning measurements from the World-Wide Lightning Location Network are compared during two summer months and two winter months in 2013. Large amplitude fluctuations in TEC are found to have a strongly peaked diurnal pattern in the late evening and nighttime summer ionosphere. The maximum magnitude and coverage area of these fluctuations increases as thunderstorm area increases. Summertime midamplitude fluctuations do not exhibit the same diurnal variation but do increase in magnitude and coverage area as thunderstorm area increases. Wintertime ionospheric fluctuations do not appear to be related to thunderstorm activity. These findings show that thunderstorms have an observable effect on magnitude and coverage area of ionospheric fluctuations.
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