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  Comparison of In-Situ Derived and Radar-Retrieved Ice Water Content in Gravity Wave and Turbulence Regimes: Results from HAIC-HIWC and IMPACTS

Dzambo, A., McFarquhar, G., Helms, C., Davis, P., Wolde, M., Nguyen, C., Heymsfield, G. (2023): Comparison of In-Situ Derived and Radar-Retrieved Ice Water Content in Gravity Wave and Turbulence Regimes: Results from HAIC-HIWC and IMPACTS, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-3784

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Datensatz-Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5020761 Versions-Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5020761_1
Genre: Konferenzbeitrag

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 Urheber:
Dzambo, Andrew1, Autor
McFarquhar, Greg1, Autor
Helms, Charles1, Autor
Davis, Parker1, Autor
Wolde, Mengistu1, Autor
Nguyen, Cuong1, Autor
Heymsfield, Gerald1, Autor
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Zusammenfassung: Gravity waves and turbulence are two important dynamical processes that affect new ice particle formation and cloud maintenance. Recently collected data from the High-Altitude Ice Crystals – High Ice Water Content (HAIC-HIWC) and (IMPACTS) field campaigns, which include in-situ cloud microphysics and radar data, allow for in-situ ice cloud microphysics properties to be quantified with improved context of atmospheric dynamical processes such as gravity waves and turbulence. During IMPACTS the Turbulence Air Motion Measurement System (TAMMS) is used in conjunction with a wavelet analysis technique to quantify turbulence along flight legs, while gravity waves are inferred from EXRAD-2 Doppler Velocity data. Variations in ice water content (IWC) from the HAIC-HIWC campaign, measured using Isokinetic Probe-2 (IKP-2) data and retrieved from radar, are compared for three regimes: turbulence plus gravity wave, gravity wave only, and static atmosphere. Consistent with previously published results on IMPACTS and HAIC-HIWC, the highest IWC is generally observed within the strongest updrafts, which are most consistently associated in the turbulence plus gravity wave regime. Large IWCs are also observed in gravity wave regimes, but these are more likely to be observed in decaying cloud systems. Finally, the wavelet technique is applied to IMPACTS and HAIC-HIWC radar curtain transects for the three regimes to expand the analysis beyond the available in-situ microphysics data. Preliminary results suggest that radar retrieved IWC in turbulence plus gravity wave regimes is likely underestimated. Statistics for IWC in all three regimes are quantified.

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Sprache(n): eng - Englisch
 Datum: 2023-07-112023-07-11
 Publikationsstatus: Final veröffentlicht
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 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.57757/IUGG23-3784
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Veranstaltung

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Titel: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Veranstaltungsort: Berlin
Start-/Enddatum: 2023-07-11 - 2023-07-20

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Titel: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Genre der Quelle: Konferenzband
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Potsdam : GFZ German Research Centre for Geosciences
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