Absolute optical energy of sprites and its relationship to charge moment of parent lightning discharge based on measurement by ISUAL/AP

Y. Takahashi, A. Yoshida, M. Sato, T. Adachi, S. Kondo, Rue-Ron Hsu, Han-Tzong Su, Bing-Chih Chen, S. B. Mende, H. U. Frey, L. C. Lee

Research output: Contribution to journalArticle

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Abstract

Although the Quasi-electrostatic (QE) model has been considered a basic mechanism for describing sprite generation, the relationship between sprite luminosity and the charge moment change (CMC) value, caused by the sprites' parent lightning has not been examined quantitatively. CMC value represents the energy of cloud-to-ground discharge (CG) and the electric field intensity above the thunderstorm. We focused on the data obtained in 2004, in which both ISUAL on board the FORMOSAT-2 satellite and the Tohoku ELF network were operated throughout one year. We could estimate the absolute luminous intensity of sprites free from atmospheric influence with the ISUAL/Array Photometer (AP) and investigated its relationship to the charge moment of parent lightning. Absolute optical energies emitted from sprites were estimated for 14 streamer-type sprites for the first time. The averages of the time-integrated optical energies are 176 kJ and 119 kJ for the N2 1PG and N2 2PG bands, respectively. Furthermore, the optical energies and the charge moments of their parent lightning estimated with ELF data show a high correlation (correlation coefficient = 0.93), that is consistent, qualitatively, with the QE model. This relationship predicts that the 50% occurrence probability is located at ∼600 C km, which coincides with previous statistical studies.

Original languageEnglish
Article numberA00E55
JournalJournal of Geophysical Research: Space Physics
Volume115
Issue number9
DOIs
Publication statusPublished - 2010 Jan 1

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photometers
lightning
sprite
Photometers
photometer
Lightning
moments
Electrostatics
energy
Thunderstorms
Luminance
cloud-to-ground discharges
electric field
Electric fields
Satellites
electrostatics
thunderstorms
thunderstorm
correlation coefficients
luminous intensity

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Forestry
  • Oceanography
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Palaeontology

Cite this

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title = "Absolute optical energy of sprites and its relationship to charge moment of parent lightning discharge based on measurement by ISUAL/AP",
abstract = "Although the Quasi-electrostatic (QE) model has been considered a basic mechanism for describing sprite generation, the relationship between sprite luminosity and the charge moment change (CMC) value, caused by the sprites' parent lightning has not been examined quantitatively. CMC value represents the energy of cloud-to-ground discharge (CG) and the electric field intensity above the thunderstorm. We focused on the data obtained in 2004, in which both ISUAL on board the FORMOSAT-2 satellite and the Tohoku ELF network were operated throughout one year. We could estimate the absolute luminous intensity of sprites free from atmospheric influence with the ISUAL/Array Photometer (AP) and investigated its relationship to the charge moment of parent lightning. Absolute optical energies emitted from sprites were estimated for 14 streamer-type sprites for the first time. The averages of the time-integrated optical energies are 176 kJ and 119 kJ for the N2 1PG and N2 2PG bands, respectively. Furthermore, the optical energies and the charge moments of their parent lightning estimated with ELF data show a high correlation (correlation coefficient = 0.93), that is consistent, qualitatively, with the QE model. This relationship predicts that the 50{\%} occurrence probability is located at ∼600 C km, which coincides with previous statistical studies.",
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Absolute optical energy of sprites and its relationship to charge moment of parent lightning discharge based on measurement by ISUAL/AP. / Takahashi, Y.; Yoshida, A.; Sato, M.; Adachi, T.; Kondo, S.; Hsu, Rue-Ron; Su, Han-Tzong; Chen, Bing-Chih; Mende, S. B.; Frey, H. U.; Lee, L. C.

In: Journal of Geophysical Research: Space Physics, Vol. 115, No. 9, A00E55, 01.01.2010.

Research output: Contribution to journalArticle

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T1 - Absolute optical energy of sprites and its relationship to charge moment of parent lightning discharge based on measurement by ISUAL/AP

AU - Takahashi, Y.

AU - Yoshida, A.

AU - Sato, M.

AU - Adachi, T.

AU - Kondo, S.

AU - Hsu, Rue-Ron

AU - Su, Han-Tzong

AU - Chen, Bing-Chih

AU - Mende, S. B.

AU - Frey, H. U.

AU - Lee, L. C.

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Y1 - 2010/1/1

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