Effect of the Quasi-biennial Oscillation on Carbon Monoxide in the Stratosphere

Yung, Yuk L. and Long, Junyang and Jiang, Jonathan H. and Fan, Siteng and Jiang, Xun and Shia, Run‐Lie (2019) Effect of the Quasi-biennial Oscillation on Carbon Monoxide in the Stratosphere. Earth and Space Science, 6 (7). pp. 1273-1283. ISSN 2333-5084. doi:10.1029/2018ea000534. https://resolver.caltech.edu/CaltechAUTHORS:20190711-133439083

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Abstract

The interannual variability of tropical carbon monoxide (CO) from the Microwave Limb Sounder (MLS) over 2004‐2018 period is dominated by the Quasi‐biennial Oscillation (QBO). We simulate the CO variability over this period using the 2‐D Caltech/JPL chemistry‐transport model (CTM). The CTM includes the photochemical sources and sinks and transport driven by a stream function and eddy diffusivity derived from the assimilated winds of National Centers for Environmental Prediction Reanalysis 2. The results show good agreement between model and MLS observations. We also investigate the anomalous period 2015‐2016, when the QBO winds deviated significantly from their climatological values. The model simulations could capture the QBO features in agreement with observations for the anomalous period.

Item Type:

Article

Related URLs:

URL	URL Type	Description
https://doi.org/10.1029/2018ea000534	DOI	Article

ORCID:

Author	ORCID
Yung, Yuk L.	0000-0002-4263-2562
Jiang, Jonathan H.	0000-0002-5929-8951
Fan, Siteng	0000-0002-3041-4680
Jiang, Xun	0000-0001-8932-3807
Shia, Run‐Lie	0000-0003-1911-3120

Additional Information:

© 2019 American Geophysical Union. This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made. Received 4 DEC 2018; Accepted 20 JUN 2019; Accepted article online 8 JUL 2019. We thank J. N. Lee, K.-F. Li, A. Ruzmaikin and S. Wang for illuminating discussions. We thank the MLS project for the CO data and JPL for support of this work. We also acknowledge the use of the following data. NCEP2 Reanalysis data [Kistler et al., 2001] can be downloaded at https://www.esrl.noaa.gov/psd/data/gridded/data.ncep.reanalysis2.html. The QBO winds over Singapore can be downloaded from http://www.geo.fu-berlin.de/met/ag/strat/produkte/qbo/qbo.dat.

Group:

Astronomy Department

Subject Keywords:

Quasi‐biennial Oscillation; Microwave Limb Sounder CO; Chemistry Transport Model

Issue or Number:

DOI:

10.1029/2018ea000534

Record Number:

CaltechAUTHORS:20190711-133439083

Persistent URL:

https://resolver.caltech.edu/CaltechAUTHORS:20190711-133439083

Official Citation:

Yung, Y. L., Long, J., Jiang, J. H., Fan, S., Jiang, X., & Shia, R.‐L. (2019). Effect of the quasi‐biennial oscillation on carbon monoxide in the stratosphere. Earth and Space Science, 6, 1273–1283. https://doi.org/10.1029/2018EA000534

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No commercial reproduction, distribution, display or performance rights in this work are provided.

ID Code:

97061

Collection:

CaltechAUTHORS

Deposited By:

Tony Diaz

Deposited On:

11 Jul 2019 22:37

Last Modified:

16 Nov 2021 17:26

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