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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. 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:
URLURL TypeDescription
https://doi.org/10.1029/2018ea000534DOIArticle
ORCID:
AuthorORCID
Yung, Yuk L.0000-0002-4263-2562
Jiang, Jonathan H.0000-0002-5929-8951
Fan, Siteng0000-0002-3041-4680
Jiang, Xun0000-0001-8932-3807
Shia, Run‐Lie0000-0003-1911-3120
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:7
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
Usage Policy: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:20 Apr 2020 08:47

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