| 1. Identity statement | |
| Reference Type | Conference Paper (Conference Proceedings) |
| Holder Code | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
| Site | mtc-m16b.sid.inpe.br (namespace prefix: upn:K28A8B) |
| Repository | cptec.inpe.br/adm_conf/2005/10.29.03.06 |
| Last Update | 2006:04.16.17.38.12 (UTC) administrator |
| Metadata Repository | cptec.inpe.br/adm_conf/2005/10.29.03.06.22 |
| Metadata Last Update | 2018:06.05.03.42.50 (UTC) administrator |
| Citation Key | Madden:2006:SeFrRo |
| Title | A Search for Free Rossby Waves and for van Loon's Temperature Variations in the Southern Hemisphere Stratosphere  |
| Format | CD-ROM, On-line. |
| Year | 2006 |
| Access Date | 2026, Oct. 08 |
| Secondary Type | PRE CI |
| Number of Files | 1 |
| Size | 1361 KiB |
| 2. Context | |
| Author | Madden, Roland A. |
| Affiliation | national center for atmospheric research boulder, colorado usa |
| Author e-Mail Address | ram@ucar.edu |
| Editor | Vera, Carolina Nobre, Carlos |
| e-Mail Address | ram@ucar.edu |
| Conference Name | International Conference on Southern Hemisphere Meteorology and Oceanography, 8 (ICSHMO). |
| Conference Location | Foz do Iguaçu |
| Date | 24-28 Apr. 2006 |
| Publisher | American Meteorological Society (AMS) |
| Publisher City | 45 Beacon Hill Road, Boston, MA, USA |
| Pages | 617-626 |
| Book Title | Proceedings |
| Tertiary Type | Oral |
| Organization | American Meteorological Society (AMS) |
| Host Collection | cptec.inpe.br/nobre/2005/06.02.21.14 upn:PK9JS5 cptec.inpe.br/walmeida/2003/04.25.17.12 upn:K28A8B |
| History (UTC) | 2005-10-29 03:06:22 :: ram@ucar.edu -> administrator :: 2005-11-11 15:54:32 :: administrator -> adm_conf :: 2005-12-16 02:07:26 :: adm_conf -> ram@ucar.edu :: 2006-03-29 23:16:01 :: ram@ucar.edu -> administrator :: 2006-04-18 21:03:01 :: administrator -> lise@dpi.inpe.br :: 2010-12-28 12:36:30 :: lise@dpi.inpe.br -> administrator :: 2010-12-29 15:56:41 :: administrator -> lise@dpi.inpe.br :: 2006 2010-12-29 16:05:52 :: lise@dpi.inpe.br -> administrator :: 2006 2010-12-29 18:52:30 :: administrator -> banon :: 2006 2011-01-02 17:14:52 :: banon -> administrator :: 2006 2018-06-05 03:42:50 :: administrator -> :: 2006 |
| 3. Content and structure | |
| Is the master or a copy? | is the master |
| Content Stage | completed |
| Transferable | 1 |
| Keywords | rossby wves stratosphere temperature variations |
| Abstract | A Search for Free Rossby Waves and for van Loon's Temperature Variations in the Southern Hemisphere Stratosphere. by Roland A. Madden, NCAR Thirty years ago, Harry van Loon published a paper describing out-of-phase temperature variations at middle and high latitudes of the Northern Hemisphere stratosphere (van Loon teal. 1975). They are a regular feature there, and their typical time scale is one to three weeks. It has been argued that at least some of these variations can be explained by similar variations in horizontal heat transport from middle to high latitudes which result from the interference of forced, stationary waves and free, traveling Rossby waves (Madden and Labitzke, 1981). If this interpretation is correct, one might expect similar variations in the Southern Hemisphere stratosphere since the free Rossby waves are global modes. Variations are smaller in the Southern Hemisphere(Randel and Newman, 1998), but large oscillations in temperature gradient and eddy heat transport do occur occasionally, and good examples are those during the southern winter of 2002 (J. Atmos.Sci., March 2005). Those particular oscillations have been connected to the interaction between a stationary wave-1 and an eastward traveling wave-2. Free Rossby waves of large scale such as wave-2 should move westward so this latter wave is not a free Rossby wave. Indeed the predominant propagation of large-scale waves in the Southern Hemisphere stratosphere is eastward (e.g. Randel and Newman, 1998), although there is some evidence based on Southern Hemisphere data alone (as opposed to projections of global data) for westward propagating free Rossby waves (e.g. Rodgers, 1976; Mechoso and Hartmann, 1982; Hirota and Hirooka, 1984). To learn if the interference of forced, stationary waves and free, traveling Rossby waves as proposed for Northern Hemisphere oscillations may play a role in some Southern Hemisphere stratospheric ones, we search for a Southern Hemisphere manifestation of the waves and for resulting temperature variations of the van Loon type. References Hirota, I., and T. Hirooka, 1984: Normal-mode Rossby waves observed in the upper stratosphere. Part 1: First symetric modes of zonal wavenumbers 1 and 2. J. Atmos. Sci., 41, 1253-1267. Madden, R. A., and K. Labitzke, 1981: A free Rossby Wave in the troposphere and stratosphere during January 1979. J. Geophys. Res., 86, 1247-1254. Meshoso, C. R., and D. L. Hartmann, 1982: An observational study of traveling planetary waves in the Southern Hemisphere, J. Atmos. Sci., 39, 1921-1935. Randel, W. J., and P. A. Newman, 1988: The stratosphere in the Southern Hemisphere, in Meteorology of the Southern Hemisphere, D. J. Karoly and D. G. Vincent Eds., American Meteor. Soc., 410pp Rodgers, C. D., 1976: Evidence for the five-day wave in the upper stratosphere, J. Atmos. Sci., 33, 710-711. van Loon, H., R. A. Madden and R. L. Jenne, 1975: Oscillations in the winter stratosphere: Part 1. Description. Mon. Wea. Rev., 103, 154-162. |
| Area | MET |
| Type | Harry Van Loon special session |
| doc Directory Content | access |
| source Directory Content | access |
| agreement Directory Content | there are no files |
| 4. Conditions of access and use | |
| data URI | upn:PK9JS5:cptec.inpe.br/adm_conf/2005/10.29.03.06 |
| data URL | http://urlib.net/ibi/cptec.inpe.br/adm_conf/2005/10.29.03.06 |
| zipped data URL | http://urlib.net/zip/cptec.inpe.br/adm_conf/2005/10.29.03.06 |
| Language | en |
| Target File | 617-626.pdf |
| User Group | ram@ucar.edu administrator |
| Visibility | shown |
| 6. Notes | |
| Mark | 1 |
| Empty Fields | archivingpolicy archivist callnumber contenttype copyholder copyright creatorhistory descriptionlevel dissemination documentstage doi edition group identifier isbn issn label lineage mirrorrepository nextedition nexthigherunit notes numberofvolumes orcid parameterlist parentrepositories previousedition previouslowerunit progress project readergroup readpermission resumeid rightsholder schedulinginformation secondarydate secondarykey secondarymark serieseditor session shorttitle sponsor subject tertiarymark url versiontype volume |