The Whole Atmosphere Community Climate Model Version 6 (WACCM6)
Name
2019JD030943.pdf
Description
Published version
Size
19.68 MB
Format
Adobe PDF
Checksum (MD5)
2564a8a5e44caab193cb6784c794bf88
Author(s)
Gettelman, A
Mills, MJ
Kinnison, DE
Garcia, RR
Smith, AK
Marsh, DR
Tilmes, S
Vitt, F
Bardeen, CG
McInerny, J
Date Issued
December 16, 2019
Journal
Journal of Geophysical Research: Atmospheres
Publisher
American Geophysical Union (AGU)
Version
Final published version
Abstract
©2019. American Geophysical Union. All Rights Reserved. The Whole Atmosphere Community Climate Model version 6 (WACCM6) is a major update of the whole atmosphere modeling capability in the Community Earth System Model (CESM), featuring enhanced physical, chemical and aerosol parameterizations. This work describes WACCM6 and some of the important features of the model. WACCM6 can reproduce many modes of variability and trends in the middle atmosphere, including the quasi-biennial oscillation, stratospheric sudden warmings, and the evolution of Southern Hemisphere springtime ozone depletion over the twentieth century. WACCM6 can also reproduce the climate and temperature trends of the 20th century throughout the atmospheric column. The representation of the climate has improved in WACCM6, relative to WACCM4. In addition, there are improvements in high-latitude climate variability at the surface and sea ice extent in WACCM6 over the lower top version of the model (CAM6) that comes from the extended vertical domain and expanded aerosol chemistry in WACCM6, highlighting the importance of the stratosphere and tropospheric chemistry for high-latitude climate variability.
MIT Department
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences
Terms of Use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1029/2019JD030943
