Cited by 309Atmospheric Ozone and ClimateAtmospheric chemistry and aerosolsMeteorological Phenomena and Simulations

A “tropical pipe” model of stratospheric transport

Plumb, R. Alan·1996·Journal of Geophysical Research: Atmospheres

Abstract

A conceptual model of global stratospheric transport is described, based on the assumption of rapid isentropic mixing within midlatitude “surf zones” but weak mixing into the tropics. Thus the tropical region is isolated from middle latitudes, and trace species budgets there are balances between mean upwelling and local chemical sources and sinks. In middle latitudes, where long‐lived species are assumed to be in “slope equilibrium,” the budgets are more complex, being influenced by isentropic mixing, mean downwelling, entrainment from the tropics, and local chemistry. The one‐dimensional vertical flux‐gradient relation obtained in previous studies in which mixing was assumed to be global is lost in this model. Tracer correlations are compact separately in each region, with substantial differences between tropical and midlatitude relationships. The result discussed by Plumb and Ko linking the slope of the correlation diagram to net global fluxes (and thus to lifetimes) is valid in this model only at the midlatitude tropopause.

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Crossref · 10.1029/95jd03002

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  • Longitudinal variations in meridional circulations impacts transport of aerosols into and out of the tropical pipe, a stratospheric region near the equator isolated from mid-latitude isentropic mixing, enabling rapid vertical transport.

    “Longitudinal variations in meridional circulations impacts transport of aerosols into and out of the tropical pipe, a stratospheric region near the equator isolated from mid-latitude isentropic mixing, enabling rapid vertical transport27.”

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Authors
Plumb, R. A.
Corresponding author
Plumb, R. Alan
Venue
Journal of Geophysical Research: Atmospheres
Published
1996-02
Volume
101
Issue
D2
Pages
3957-3972
ISSN
0148-0227 (ISSN-L)
OpenAlex
W2075659946
Cited by
309
References
36
Citations by year
2026: 4 · 2025: 12 · 2024: 6 · 2023: 14 · 2022: 6 · 2021: 4 · 2020: 6 · 2019: 9 · 2018: 11 · 2017: 4 · 2016: 12 · 2015: 4 · 2014: 13 · 2013: 8 · 2012: 10
FWCI
17.00
Type
journal article
Language
en
Open access
closed
Locations
Journal of Geophysical Research Atmospheres (publishedVersion)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Atmospheric Ozone and Climate
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Atmospheric chemistry and aerosols
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Meteorological Phenomena and Simulations
Keywords
stratospheric transport, isentropic mixing, tropopause, chemical lifetime, upwelling and downwelling

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