| Date: | 1999-08-03 12:37:00 | |
| Sender: | J. Ray & T. Springer <[Mailed Jim Ray <jimr@maia.usno.navy.mil>] (USNO 202-762-1444)> | |
| Subject: | [SLR-Mail] No. 395: EOP session at Fall AGU Meeting | |
| Author: | J. Ray | |
| Content: | ******************************************************************************** SLR Electronic Mail 1999-08-03 12:37:00 UTC Message No. 395 ******************************************************************************** Author: J. Ray & T. Springer Subject: EOP session at Fall AGU Meeting for slrmail@dgfi.badw-muenchen.de; Mon, 2 Aug 1999 13:46:58 -0400 (EDT) You are encouraged to consider submitting a paper for the special Geodesy session G06 ”Earth Orientation Observations and Models” to be held during during the Fall 1999 AGU Meeting. The one-day precision of Earth orientation determinations is now about the 0.1 milliarcseconds level (3 mm of equatorial rotation on the Earth´s surface). The accuracy attainable is less clear, although differences among independent techniques appear significantly larger. These differences present fundamental problems for inter-technique combination efforts and limit the ultimate accuracy that can be realized with global inertial reference systems. New methods are being developed to combine Earth orientation and terrestrial reference frame information jointly, which may reduce inter-technique differences and help resolve error sources. The approaches include combinations at the covariance matrix level (the SINEX format being the accepted exchange standard) as well as combinations at the observation level. Contributions are sought to illuminate the issues and methods being applied, and to present new results in these areas. In addition, studies into improved prediction methods, especially for high-accuracy real-time applications, are requested. Papers on other aspects of the techniques used to measure Earth orientation and to analyze data are also welcomed. Interpretative analyses of geodynamical excitations should be submitted to special session G02. The Fall Meeting will be held in San Francisco, California, 13-17 December 1999. For information about the meeting and submission of abstracts, please refer to http://www.agu.org/meetings/fm99top.html. Note that abstracts MUST be received at AGU headquarters by Thursday, 02 September 1999 if submitted by express/postal mail or by e-mail or by Thursday, 09 September 1999 if submitted using the AGU interactive WWW form. convenors: J. Ray (USNO; jimr@maia.usno.navy.mil) T. Springer (U. Berne; springer@aiub.unibe.ch) [Mailed From: Jim Ray ******************************************************************************** |