Morphology of the tropopause layer and lower stratosphere above a tropical cyclone: a case study on cyclone Davina (1999)

Research output: Contribution to journalArticle

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Morphology of the tropopause layer and lower stratosphere above a tropical cyclone: a case study on cyclone Davina (1999). / Cairo, F; Buontempo, C; Mackenzie, Angus; Schiller, C; Volk, CM; Adriani, A; Mitev, V; Matthey, R; Di Donfrancesco, G; Oulanovsky, A; Ravegnani, F; Yushkov, V; Snels, M; Cagnazzo, C; Stefanutti, L.

In: Atmospheric Chemistry and Physics, Vol. 8, No. 13, 01.01.2008, p. 3411-3426.

Research output: Contribution to journalArticle

Harvard

Cairo, F, Buontempo, C, Mackenzie, A, Schiller, C, Volk, CM, Adriani, A, Mitev, V, Matthey, R, Di Donfrancesco, G, Oulanovsky, A, Ravegnani, F, Yushkov, V, Snels, M, Cagnazzo, C & Stefanutti, L 2008, 'Morphology of the tropopause layer and lower stratosphere above a tropical cyclone: a case study on cyclone Davina (1999)', Atmospheric Chemistry and Physics, vol. 8, no. 13, pp. 3411-3426.

APA

Cairo, F., Buontempo, C., Mackenzie, A., Schiller, C., Volk, CM., Adriani, A., Mitev, V., Matthey, R., Di Donfrancesco, G., Oulanovsky, A., Ravegnani, F., Yushkov, V., Snels, M., Cagnazzo, C., & Stefanutti, L. (2008). Morphology of the tropopause layer and lower stratosphere above a tropical cyclone: a case study on cyclone Davina (1999). Atmospheric Chemistry and Physics, 8(13), 3411-3426.

Vancouver

Author

Cairo, F ; Buontempo, C ; Mackenzie, Angus ; Schiller, C ; Volk, CM ; Adriani, A ; Mitev, V ; Matthey, R ; Di Donfrancesco, G ; Oulanovsky, A ; Ravegnani, F ; Yushkov, V ; Snels, M ; Cagnazzo, C ; Stefanutti, L. / Morphology of the tropopause layer and lower stratosphere above a tropical cyclone: a case study on cyclone Davina (1999). In: Atmospheric Chemistry and Physics. 2008 ; Vol. 8, No. 13. pp. 3411-3426.

Bibtex

@article{9f85ff3ca1924de5aa09d87b5b1d5e43,
title = "Morphology of the tropopause layer and lower stratosphere above a tropical cyclone: a case study on cyclone Davina (1999)",
abstract = "During the APE-THESEO mission in the Indian Ocean the Myasishchev Design Bureau stratospheric research aircraft M55 Geophysica performed a flight over and within the inner core region of tropical cyclone Davina. Measurements of total water, water vapour, temperature, aerosol backscattering, ozone and tracers were made and are discussed here in comparison with the averages of those quantities acquired during the campaign time frame. Temperature anomalies in the tropical tropopause layer (TTL), warmer than average in the lower part and colder than average in the upper TTL were observed. Ozone was strongly reduced compared to its average value, and thick cirrus decks were present up to the cold point, sometimes topped by a layer of very dry air. Evidence for meridional transport of trace gases in the stratosphere above the cyclone was observed and perturbed water distribution in the TTL was documented. The paper discuss possible processes of dehydration induced by the cirrus forming above the cyclone, and change in the chemical tracer and water distribution in the lower stratosphere 400-430 K due to meridional transport from the mid-latitudes and link with Davina. Moreover it compares the data prior and after the cyclone passage to discuss its actual impact on the atmospheric chemistry and thermodynamics.",
author = "F Cairo and C Buontempo and Angus Mackenzie and C Schiller and CM Volk and A Adriani and V Mitev and R Matthey and {Di Donfrancesco}, G and A Oulanovsky and F Ravegnani and V Yushkov and M Snels and C Cagnazzo and L Stefanutti",
year = "2008",
month = jan,
day = "1",
language = "English",
volume = "8",
pages = "3411--3426",
journal = "Atmospheric Chemistry and Physics",
issn = "1680-7316",
publisher = "Copernicus Publications",
number = "13",

}

RIS

TY - JOUR

T1 - Morphology of the tropopause layer and lower stratosphere above a tropical cyclone: a case study on cyclone Davina (1999)

AU - Cairo, F

AU - Buontempo, C

AU - Mackenzie, Angus

AU - Schiller, C

AU - Volk, CM

AU - Adriani, A

AU - Mitev, V

AU - Matthey, R

AU - Di Donfrancesco, G

AU - Oulanovsky, A

AU - Ravegnani, F

AU - Yushkov, V

AU - Snels, M

AU - Cagnazzo, C

AU - Stefanutti, L

PY - 2008/1/1

Y1 - 2008/1/1

N2 - During the APE-THESEO mission in the Indian Ocean the Myasishchev Design Bureau stratospheric research aircraft M55 Geophysica performed a flight over and within the inner core region of tropical cyclone Davina. Measurements of total water, water vapour, temperature, aerosol backscattering, ozone and tracers were made and are discussed here in comparison with the averages of those quantities acquired during the campaign time frame. Temperature anomalies in the tropical tropopause layer (TTL), warmer than average in the lower part and colder than average in the upper TTL were observed. Ozone was strongly reduced compared to its average value, and thick cirrus decks were present up to the cold point, sometimes topped by a layer of very dry air. Evidence for meridional transport of trace gases in the stratosphere above the cyclone was observed and perturbed water distribution in the TTL was documented. The paper discuss possible processes of dehydration induced by the cirrus forming above the cyclone, and change in the chemical tracer and water distribution in the lower stratosphere 400-430 K due to meridional transport from the mid-latitudes and link with Davina. Moreover it compares the data prior and after the cyclone passage to discuss its actual impact on the atmospheric chemistry and thermodynamics.

AB - During the APE-THESEO mission in the Indian Ocean the Myasishchev Design Bureau stratospheric research aircraft M55 Geophysica performed a flight over and within the inner core region of tropical cyclone Davina. Measurements of total water, water vapour, temperature, aerosol backscattering, ozone and tracers were made and are discussed here in comparison with the averages of those quantities acquired during the campaign time frame. Temperature anomalies in the tropical tropopause layer (TTL), warmer than average in the lower part and colder than average in the upper TTL were observed. Ozone was strongly reduced compared to its average value, and thick cirrus decks were present up to the cold point, sometimes topped by a layer of very dry air. Evidence for meridional transport of trace gases in the stratosphere above the cyclone was observed and perturbed water distribution in the TTL was documented. The paper discuss possible processes of dehydration induced by the cirrus forming above the cyclone, and change in the chemical tracer and water distribution in the lower stratosphere 400-430 K due to meridional transport from the mid-latitudes and link with Davina. Moreover it compares the data prior and after the cyclone passage to discuss its actual impact on the atmospheric chemistry and thermodynamics.

M3 - Article

VL - 8

SP - 3411

EP - 3426

JO - Atmospheric Chemistry and Physics

JF - Atmospheric Chemistry and Physics

SN - 1680-7316

IS - 13

ER -