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Stratospheric ozone in 3-D models: A simple chemistry and the cross-tropopause flux

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Stratospheric ozone in 3-D models: A simple chemistry and the cross-tropopause flux. / McLinden, CA; Olsen, SC; Hannegan, B; Wild, O; Prather, MJ; Sundet, J.

In: Journal of Geophysical Research: Atmospheres, Vol. 105, No. D11, 16.06.2000, p. 14653-14665.

Research output: Contribution to journalJournal articlepeer-review

Harvard

McLinden, CA, Olsen, SC, Hannegan, B, Wild, O, Prather, MJ & Sundet, J 2000, 'Stratospheric ozone in 3-D models: A simple chemistry and the cross-tropopause flux', Journal of Geophysical Research: Atmospheres, vol. 105, no. D11, pp. 14653-14665. https://doi.org/10.1029/2000JD900124

APA

McLinden, CA., Olsen, SC., Hannegan, B., Wild, O., Prather, MJ., & Sundet, J. (2000). Stratospheric ozone in 3-D models: A simple chemistry and the cross-tropopause flux. Journal of Geophysical Research: Atmospheres, 105(D11), 14653-14665. https://doi.org/10.1029/2000JD900124

Vancouver

McLinden CA, Olsen SC, Hannegan B, Wild O, Prather MJ, Sundet J. Stratospheric ozone in 3-D models: A simple chemistry and the cross-tropopause flux. Journal of Geophysical Research: Atmospheres. 2000 Jun 16;105(D11):14653-14665. https://doi.org/10.1029/2000JD900124

Author

McLinden, CA ; Olsen, SC ; Hannegan, B ; Wild, O ; Prather, MJ ; Sundet, J. / Stratospheric ozone in 3-D models: A simple chemistry and the cross-tropopause flux. In: Journal of Geophysical Research: Atmospheres. 2000 ; Vol. 105, No. D11. pp. 14653-14665.

Bibtex

@article{826046127c224fdfbebc07ef2c97e2c3,
title = "Stratospheric ozone in 3-D models: A simple chemistry and the cross-tropopause flux",
abstract = "Two simple and computationally efficient models for simulating stratospheric ozone in three-dimensional global transport models are presented. The first, linearized ozone (or Linoz), is a first-order Taylor expansion of stratospheric chemical rates in which the ozone tendency has been linearized about the local ozone mixing: ratio, temperature, and the overhead column ozone density. The second, synthetic ozone (or Synoz), is a passive, ozone-like tracer released into the stratosphere at a rate equivalent to that of the cross-tropopause ozone flux which, based on measurements and tracer-tracer correlations, we have calculated to be 475 +/- 120 Tg/Sr. Linoz and Synox ha ie been evaluated in the UC Irvine chemical transport model(CTM) with three different archived meteorological fields: the Goddard Institute for Spare Studies (GISS) general circulation model (GCM) version II', the GISS GCM version II, and merged forecast data from the European Centre forecast model (EC/Oslo). Linoz produced realistic annual, cross-tropopause fluxes of 421 Tg/yr for the GISS II' winds and 458 Tg/yr for the EC/Oslo winds; the GISS II winds produced an unrealistic flux of 790 Tg/yr. Linoz and Synoz profiles in the vicinity of the tropopause using the GISS II' and EC/Oslo winds were found to be in good agreement with observations. We conclude that either approach may be adequate for a CTM focusing on tropospheric chemistry but that Linoz can also be used for calculating ozone fields interactively with the stratospheric circulation in a GCM. A future version of Linoz will allow for evolving background concentrations of key source gases? such as CH4 and N2O, and thus be applicable for long-term climate simulations.",
keywords = "CLIMATOLOGY, GASES, MIDDLE ATMOSPHERE MODEL, CHEMICAL-TRANSPORT MODEL, SIMULATIONS, O-3, TROPOSPHERIC OZONE, TRACER, N2O, NOY",
author = "CA McLinden and SC Olsen and B Hannegan and O Wild and MJ Prather and J Sundet",
note = "Copyright 2000 by the American Geophysical Union",
year = "2000",
month = jun,
day = "16",
doi = "10.1029/2000JD900124",
language = "English",
volume = "105",
pages = "14653--14665",
journal = "Journal of Geophysical Research: Atmospheres",
issn = "0747-7309",
publisher = "Wiley-Blackwell Publishing Ltd",
number = "D11",

}

RIS

TY - JOUR

T1 - Stratospheric ozone in 3-D models: A simple chemistry and the cross-tropopause flux

AU - McLinden, CA

AU - Olsen, SC

AU - Hannegan, B

AU - Wild, O

AU - Prather, MJ

AU - Sundet, J

N1 - Copyright 2000 by the American Geophysical Union

PY - 2000/6/16

Y1 - 2000/6/16

N2 - Two simple and computationally efficient models for simulating stratospheric ozone in three-dimensional global transport models are presented. The first, linearized ozone (or Linoz), is a first-order Taylor expansion of stratospheric chemical rates in which the ozone tendency has been linearized about the local ozone mixing: ratio, temperature, and the overhead column ozone density. The second, synthetic ozone (or Synoz), is a passive, ozone-like tracer released into the stratosphere at a rate equivalent to that of the cross-tropopause ozone flux which, based on measurements and tracer-tracer correlations, we have calculated to be 475 +/- 120 Tg/Sr. Linoz and Synox ha ie been evaluated in the UC Irvine chemical transport model(CTM) with three different archived meteorological fields: the Goddard Institute for Spare Studies (GISS) general circulation model (GCM) version II', the GISS GCM version II, and merged forecast data from the European Centre forecast model (EC/Oslo). Linoz produced realistic annual, cross-tropopause fluxes of 421 Tg/yr for the GISS II' winds and 458 Tg/yr for the EC/Oslo winds; the GISS II winds produced an unrealistic flux of 790 Tg/yr. Linoz and Synoz profiles in the vicinity of the tropopause using the GISS II' and EC/Oslo winds were found to be in good agreement with observations. We conclude that either approach may be adequate for a CTM focusing on tropospheric chemistry but that Linoz can also be used for calculating ozone fields interactively with the stratospheric circulation in a GCM. A future version of Linoz will allow for evolving background concentrations of key source gases? such as CH4 and N2O, and thus be applicable for long-term climate simulations.

AB - Two simple and computationally efficient models for simulating stratospheric ozone in three-dimensional global transport models are presented. The first, linearized ozone (or Linoz), is a first-order Taylor expansion of stratospheric chemical rates in which the ozone tendency has been linearized about the local ozone mixing: ratio, temperature, and the overhead column ozone density. The second, synthetic ozone (or Synoz), is a passive, ozone-like tracer released into the stratosphere at a rate equivalent to that of the cross-tropopause ozone flux which, based on measurements and tracer-tracer correlations, we have calculated to be 475 +/- 120 Tg/Sr. Linoz and Synox ha ie been evaluated in the UC Irvine chemical transport model(CTM) with three different archived meteorological fields: the Goddard Institute for Spare Studies (GISS) general circulation model (GCM) version II', the GISS GCM version II, and merged forecast data from the European Centre forecast model (EC/Oslo). Linoz produced realistic annual, cross-tropopause fluxes of 421 Tg/yr for the GISS II' winds and 458 Tg/yr for the EC/Oslo winds; the GISS II winds produced an unrealistic flux of 790 Tg/yr. Linoz and Synoz profiles in the vicinity of the tropopause using the GISS II' and EC/Oslo winds were found to be in good agreement with observations. We conclude that either approach may be adequate for a CTM focusing on tropospheric chemistry but that Linoz can also be used for calculating ozone fields interactively with the stratospheric circulation in a GCM. A future version of Linoz will allow for evolving background concentrations of key source gases? such as CH4 and N2O, and thus be applicable for long-term climate simulations.

KW - CLIMATOLOGY

KW - GASES

KW - MIDDLE ATMOSPHERE MODEL

KW - CHEMICAL-TRANSPORT MODEL

KW - SIMULATIONS

KW - O-3

KW - TROPOSPHERIC OZONE

KW - TRACER

KW - N2O

KW - NOY

U2 - 10.1029/2000JD900124

DO - 10.1029/2000JD900124

M3 - Journal article

VL - 105

SP - 14653

EP - 14665

JO - Journal of Geophysical Research: Atmospheres

JF - Journal of Geophysical Research: Atmospheres

SN - 0747-7309

IS - D11

ER -