Tropical entrainment time scales inferred from stratospheric N2O and CH4 observations

Geophysical Research Letters

Volumn 25, Issue 15, 1998, Pages 2781-2784

  Herman, R L ^a   Scott, D C ^b   Webster, C R ^b   May, R D ^b   Moyer, E J ^a   Salawitch, R J ^b   Yung, Y L ^a   Toon, G C ^b   Sen, B ^b   Margitan, J J ^b   Rosenlof, K H ^c   Michelsen, H A ^d   Elkins, J W ^e  

^a CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^b CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^c NOAA EARTH SYSTEM RESEARCH LABORATORY   (United States)

^d ATMOSPHERIC AND ENVIRONMENTAL RESEARCH   (United States)

^e EARTH SYSTEM RESEARCH LABORATORY   (United States)

Author keywords

Entrainment; Methane; Nitrous oxide; Stratosphere

Indexed keywords

ATMOSPHERIC MOVEMENTS; ATMOSPHERIC SPECTRA; SPECTROMETERS; TROPICS; UPPER ATMOSPHERE; AIR ENTRAINMENT;

TROPICAL ENTRAINMENT TIME SCALES; TUNABLE DIODE LASER SPECTROMETER; COMPACT RELATIONSHIPS; EXTRATROPICAL; IN-SITU MEASUREMENT; MIDLATITUDES; POLAR VORTEX; SIMPLE MODELING; TIME-SCALES; TUNABLE DIODE LASERS;

ATMOSPHERIC CHEMISTRY; TROPICS;

ENTRAINMENT; METHANE; NITROUS OXIDE; STRATOSPHERE;

EID: 0032148203     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/98GL02109     Document Type: Article

References (26)

1. Avallone, L. M., and M. J. Prather, Photochemical evolution of ozone in the lower tropical stratosphere, J. Geophys. Res., 101, 1457-61, 1996.
2. Brewer, A. W., Evidence for a world circulation provided by the measurements of helium and water vapor distribution in the stratosphere, Q. J. Roy. Meteor. Soc., 75, 351-63, 1949.
3. Collins, J. E. Jr., et al., AASE-II In-situ tracer correlations of methane, nitrous oxide, and ozone as observed aboard the DC-8, Geophys. Res. Lett., 20, 2543-46, 1993.
4. DeMore, W. B., et al., Chemical Kinetics and Photochemical Data for Use in Stratospheric Modeling, Evaluation No. 12, JPL Publication 97-4, 1997.
5. Dobson, G. M. B., Origin and distribution of the polyatomic molecules in the atmosphere, Proc. Roy. Soc. London, A, 236, 187-93, 1956.
6. Ehhalt, D. H., et al., On the Temporal Variance of Stratospheric Trace Gas Concentrations, J. Atmos. Chem., 1, 27-51, 1983.
7. Elkins, J. W., et al., Airborne gas Chromatograph for in situ measurements of long-lived species in the upper troposphere and lower stratosphere, Geophys. Res. Lett., 23, 347-50, 1996.
8. Fabian P., et al., The Vertical Distribution of Stable Trace Gases at Midlatitudes, J. Geophys. Res. 86, 5179-84, 1981.
9. Hall, T. M., and D. Waugh, Tracer transport in the tropical stratosphere due to vertical diffusion and horizontal mixing, Geophys. Res. Lett., 24, 1383-6, 1997.
10. 2O by the NIMBUS 7 SAMS: A Comparison With In situ Data and Two-Dimensional Numerical Model Calculations, J. Geophys. Res., 89, 5263-79, 1984.
11. 4 in the midlatitude stratosphere, Geophys. Res. Lett., 23, 2369-72, 1996.
12. 2O derived from ATMOS measurements, Geophys. Res. Lett., this issue.
13. 2, J. Geophys. Res., 98, 10543-61, 1993.
14. Minschwaner, K., et al., Bulk properties of isentropic mixing into the tropics in the lower stratosphere, J. Geophys. Res., 101, 9433-9, 1996.
15. Mote, P. W., et al., An atmospheric tape recorder: The imprint of tropical tropopause temperatures on stratospheric water vapor, J. Geophys. Res., 101, 3989-4006, 1996.
16. Mote, P. W., et al., Vertical velocity, vertical diffusion, and dilution by midlatitude air in the tropical lower stratosphere, J. Geophys. Res., 103, 8651-666, 1998.
17. Murphy, D. M., et al., Reactive nitrogen and its correlation with ozone in the lower stratosphere and upper troposphere, J. Geophys. Res., 98, 8751-73, 1993.
18. Plumb, R. A., A "tropical pipe" model of stratospheric transport, J. Geophys. Res., 101, 3957-72, 1996.
19. Plumb, R. A., and M. K. W. Ko, Interrelationships between mixing ratios of long-lived stratospheric constituents, J. Geophys. Res., 97, 10145-56, 1992.
20. Rosenlof, K. H., Seasonal cycle of the residual mean meridional circulation in the stratosphere, J. Geophys. Res., 100, 5173-91, 1995.
21. 2, Geophys. Res. Lett., 21, 2551-4, 1994.
22. Schoeberl, M. R., et al., An estimation of the dynamical isolation of the tropical lower stratosphere using UARS wind and trace gas observations of the quasi-biennial oscillation, Geophys. Res. Lett., 24, 53-6, 1997.
23. Toon, G. C., The JPL MkIV interferometer, Optics and Photonics News, 2, 19-21, 1991.
24. Volk, C. M., et al., Quantifying transport between the tropical and midlatitude lower stratosphere, Science, 272, 1763-8, 1996.
25. Wamsley, P. R., et al., Distribution of halon-1211 in the upper troposphere and lower stratosphere and the 1994 total bromine budget, J. Geophys. Res., 103, 1513-26, 1998.
26. 3. Appl. Opt., 33, 454-72, 1994.