Editing Community Climate System Model (section)

===Atmosphere model (CAM)===
The Community Atmosphere Model (CAM) can also be run as a standalone atmosphere model. Its most current version is 3.1, while 3.0 was the fifth generation. On May 17, 2002, its name was changed from the NCAR Community Climate Model to reflect its role in the new system.<ref>{{cite web|url=http://www.ccsm.ucar.edu/models/atm-cam/docs/usersguide/|archive-url=https://web.archive.org/web/20040811042943/http://www.ccsm.ucar.edu/models/atm-cam/docs/usersguide/|url-status=dead|archive-date=2004-08-11|title=CAM User's Guide|author=NCAR <!-- |access-date= March 2009 -->}} </ref> It shares the same horizontal grid as the land model of CCSM: a 256×128 regular longitude/latitude global horizontal grid (giving a 1.4 degree resolution). It has 26 levels in the vertical.<ref>{{cite web |url=http://www.ccsm.ucar.edu/models/ccsm3.0/ccsm3.0_faq.html|title=CCSM3.0 FAQs |author=NCAR |access-date= 2016-12-11}}</ref>