Height Determination of a Blue Discharge Observed by ASIM/MMIA on the International Space Station.
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| Title: | Height Determination of a Blue Discharge Observed by ASIM/MMIA on the International Space Station. |
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| Authors: | Bai, Xue1 (AUTHOR) x.bai@bath.ac.uk, Füllekrug, Martin1 (AUTHOR), Chanrion, Olivier2 (AUTHOR), Soula, Serge3 (AUTHOR), Peverell, Adam1 (AUTHOR), Mashao, Dakalo4,5 (AUTHOR), Kosch, Michael4,6,7 (AUTHOR), Husbjerg, Lasse2 (AUTHOR), Østgaard, Nikolai8 (AUTHOR), Neubert, Torsten2 (AUTHOR), Reglero, Victor9 (AUTHOR) |
| Source: | Journal of Geophysical Research. Atmospheres. 4/16/2023, Vol. 128 Issue 7, p1-20. 20p. |
| Subject Terms: | *Thunderstorms, Space stations, Electric field strength, Light propagation, Multispectral imaging, Infrared radiometry, Cumulonimbus |
| Geographic Terms: | South Africa |
| Abstract: | We analyze simultaneous photometric observations of thundercloud discharges from the Modular Multispectral Imaging Array of the Atmosphere‐Space Interactions Monitor (ASIM) on board the International Space Station with ground‐based vertical electric field measurements in South Africa on 3 February 2019 at 23:00–23:05 UTC. During this time, ASIM flew over an extended thunderstorm front of several hundreds of kilometers and recorded a blue discharge with the photometer at 337 nm which emitted strong electric fields. It is found that the rising edge of the blue photomultiplier tube light pulse allows the estimation of the blue discharge height: ∼10.9–16.5 km which is constrained by cloud top height in a range of ∼13.3–16.7 km deduced from infrared radiometry on board the geostationary Meteosat satellite. The electric field measurements are used to infer the height of the blue discharge to be ∼16.0–18.8 km by use of skywave arrival times. It is shown that the height determinations are consistent with each other within the measurement uncertainties and the possible presence of an overshooting cloud top is discussed. The height of blue discharges is important to better understand how they can affect the chemistry in the upper troposphere. Plain Language Summary: Recently, Transient Luminous Events (TLEs) and lightning activity from thunderstorm tops above thunderstorms have attracted great interest. The Atmosphere‐Space Interactions Monitor (ASIM) and the Modular Multispectral Imaging Array (MMIA) are on board the International Space Station to record the lightning activity and TLEs in the UV band (180–230 nm) as well as the blue (337 nm) and the red (777.4 nm) emissions. In total, 188 MMIA triggers were recorded and more than 2,000 lightning strokes were reported by the lightning detection and location network during 23:00–23:05 UTC on 3 February 2019. We focus on a blue discharge event that happened at 23:02:41 UTC. The novelty of this work is that the height determination is carried out by using ground‐based electric field measurements and space‐based optical measurements from ASIM. This study can help to understand the chemistry effects at the tropopause level caused by such blue discharge events. Key Points: A blue discharge was detected by the Atmosphere‐Space Interactions Monitor during an overpass of thunderstorms in South AfricaThe blue discharge height is determined by modeling the light propagation through the thundercloud constrained by cloud top heightsThe height of the blue discharge is also determined with ground‐based electric field measurements of skywaves [ABSTRACT FROM AUTHOR] |
| Copyright of Journal of Geophysical Research. Atmospheres is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
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| Items | – Name: Title Label: Title Group: Ti Data: Height Determination of a Blue Discharge Observed by ASIM/MMIA on the International Space Station. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Bai%2C+Xue%22">Bai, Xue</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> x.bai@bath.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Füllekrug%2C+Martin%22">Füllekrug, Martin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chanrion%2C+Olivier%22">Chanrion, Olivier</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Soula%2C+Serge%22">Soula, Serge</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Peverell%2C+Adam%22">Peverell, Adam</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mashao%2C+Dakalo%22">Mashao, Dakalo</searchLink><relatesTo>4,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kosch%2C+Michael%22">Kosch, Michael</searchLink><relatesTo>4,6,7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Husbjerg%2C+Lasse%22">Husbjerg, Lasse</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Østgaard%2C+Nikolai%22">Østgaard, Nikolai</searchLink><relatesTo>8</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Neubert%2C+Torsten%22">Neubert, Torsten</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Reglero%2C+Victor%22">Reglero, Victor</searchLink><relatesTo>9</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Journal+of+Geophysical+Research%2E+Atmospheres%22">Journal of Geophysical Research. Atmospheres</searchLink>. 4/16/2023, Vol. 128 Issue 7, p1-20. 20p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22Thunderstorms%22">Thunderstorms</searchLink><br /><searchLink fieldCode="DE" term="%22Space+stations%22">Space stations</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+field+strength%22">Electric field strength</searchLink><br /><searchLink fieldCode="DE" term="%22Light+propagation%22">Light propagation</searchLink><br /><searchLink fieldCode="DE" term="%22Multispectral+imaging%22">Multispectral imaging</searchLink><br /><searchLink fieldCode="DE" term="%22Infrared+radiometry%22">Infrared radiometry</searchLink><br /><searchLink fieldCode="DE" term="%22Cumulonimbus%22">Cumulonimbus</searchLink> – Name: SubjectGeographic Label: Geographic Terms Group: Su Data: <searchLink fieldCode="DE" term="%22South+Africa%22">South Africa</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: We analyze simultaneous photometric observations of thundercloud discharges from the Modular Multispectral Imaging Array of the Atmosphere‐Space Interactions Monitor (ASIM) on board the International Space Station with ground‐based vertical electric field measurements in South Africa on 3 February 2019 at 23:00–23:05 UTC. During this time, ASIM flew over an extended thunderstorm front of several hundreds of kilometers and recorded a blue discharge with the photometer at 337 nm which emitted strong electric fields. It is found that the rising edge of the blue photomultiplier tube light pulse allows the estimation of the blue discharge height: ∼10.9–16.5 km which is constrained by cloud top height in a range of ∼13.3–16.7 km deduced from infrared radiometry on board the geostationary Meteosat satellite. The electric field measurements are used to infer the height of the blue discharge to be ∼16.0–18.8 km by use of skywave arrival times. It is shown that the height determinations are consistent with each other within the measurement uncertainties and the possible presence of an overshooting cloud top is discussed. The height of blue discharges is important to better understand how they can affect the chemistry in the upper troposphere. Plain Language Summary: Recently, Transient Luminous Events (TLEs) and lightning activity from thunderstorm tops above thunderstorms have attracted great interest. The Atmosphere‐Space Interactions Monitor (ASIM) and the Modular Multispectral Imaging Array (MMIA) are on board the International Space Station to record the lightning activity and TLEs in the UV band (180–230 nm) as well as the blue (337 nm) and the red (777.4 nm) emissions. In total, 188 MMIA triggers were recorded and more than 2,000 lightning strokes were reported by the lightning detection and location network during 23:00–23:05 UTC on 3 February 2019. We focus on a blue discharge event that happened at 23:02:41 UTC. The novelty of this work is that the height determination is carried out by using ground‐based electric field measurements and space‐based optical measurements from ASIM. This study can help to understand the chemistry effects at the tropopause level caused by such blue discharge events. Key Points: A blue discharge was detected by the Atmosphere‐Space Interactions Monitor during an overpass of thunderstorms in South AfricaThe blue discharge height is determined by modeling the light propagation through the thundercloud constrained by cloud top heightsThe height of the blue discharge is also determined with ground‐based electric field measurements of skywaves [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Journal of Geophysical Research. Atmospheres is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1029/2022JD037460 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 20 StartPage: 1 Subjects: – SubjectFull: Thunderstorms Type: general – SubjectFull: Space stations Type: general – SubjectFull: Electric field strength Type: general – SubjectFull: Light propagation Type: general – SubjectFull: Multispectral imaging Type: general – SubjectFull: Infrared radiometry Type: general – SubjectFull: Cumulonimbus Type: general – SubjectFull: South Africa Type: general Titles: – TitleFull: Height Determination of a Blue Discharge Observed by ASIM/MMIA on the International Space Station. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Bai, Xue – PersonEntity: Name: NameFull: Füllekrug, Martin – PersonEntity: Name: NameFull: Chanrion, Olivier – PersonEntity: Name: NameFull: Soula, Serge – PersonEntity: Name: NameFull: Peverell, Adam – PersonEntity: Name: NameFull: Mashao, Dakalo – PersonEntity: Name: NameFull: Kosch, Michael – PersonEntity: Name: NameFull: Husbjerg, Lasse – PersonEntity: Name: NameFull: Østgaard, Nikolai – PersonEntity: Name: NameFull: Neubert, Torsten – PersonEntity: Name: NameFull: Reglero, Victor IsPartOfRelationships: – BibEntity: Dates: – D: 16 M: 04 Text: 4/16/2023 Type: published Y: 2023 Identifiers: – Type: issn-print Value: 2169897X Numbering: – Type: volume Value: 128 – Type: issue Value: 7 Titles: – TitleFull: Journal of Geophysical Research. Atmospheres Type: main |
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