Publication Abstracts

Wang et al. 2018

Wang, X., Y. Wu, W.-W. Tung, J.H. Richter, A.A. Glanville, S. Tilmes, C. Orbe, Y. Huang, Y. Xia, and D.E. Kinnison, 2018: The simulation of stratospheric water vapor over the Asian summer monsoon region in CESMl(WACCM) models. J. Geophys. Res. Atmos., 123, no. 20, 11377-11391, doi:10.1029/2018JD028971.

Previous observational studies have found a persistent maximum in stratospheric water vapor (SWV) in the upper troposphere lower stratosphere (UTLS) confined by the upper-level anticyclone over the Asian summer monsoon region. This study investigates the simulation of SWV in the Community Earth System Model, version 1 with the Whole Atmosphere Community Climate Model as its atmospheric component [CESM1(WACCM)]. CESM1(WACCM) generally tends to simulate a SWV maximum over the central Pacific Ocean, but this bias is largely improved in the high vertical resolution version. The high vertical resolution model with increased vertical layers in the UTLS is found to have a less stratified UTLS over the central Pacific Ocean compared with the low vertical resolution model. It therefore simulates a steepened potential vorticity gradient over the central Pacific Ocean that better closes the upper-level anticyclone and confines the SWV within the enhanced transport barrier.

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BibTeX Citation

@article{wa07700z,
  author={Wang, X. and Wu, Y. and Tung, W.-W. and Richter, J. H. and Glanville, A. A. and Tilmes, S. and Orbe, C. and Huang, Y. and Xia, Y. and Kinnison, D. E.},
  title={The simulation of stratospheric water vapor over the Asian summer monsoon region in CESMl(WACCM) models},
  year={2018},
  journal={J. Geophys. Res. Atmos.},
  volume={123},
  number={20},
  pages={11377--11391},
  doi={10.1029/2018JD028971},
}

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RIS Citation

TY  - JOUR
ID  - wa07700z
AU  - Wang, X.
AU  - Wu, Y.
AU  - Tung, W.-W.
AU  - Richter, J. H.
AU  - Glanville, A. A.
AU  - Tilmes, S.
AU  - Orbe, C.
AU  - Huang, Y.
AU  - Xia, Y.
AU  - Kinnison, D. E.
PY  - 2018
TI  - The simulation of stratospheric water vapor over the Asian summer monsoon region in CESMl(WACCM) models
JA  - J. Geophys. Res. Atmos.
VL  - 123
IS  - 20
SP  - 11377
EP  - 11391
DO  - 10.1029/2018JD028971
ER  -

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