A detailed analysis of tropospheric effects on geodetic observations at TMGO

Schenewerk, M.; van Dam, Tonie; Sasagawa, G.; Philipsen, S.; Larson, K.

doi:10.1016/S0079-1946(97)00250-4

Reference : A detailed analysis of tropospheric effects on geodetic observations at TMGO


	Document type :	Scientific journals : Article
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography Physical, chemical, mathematical & earth Sciences : Physics
	To cite this reference:	http://hdl.handle.net/10993/740

Title :	A detailed analysis of tropospheric effects on geodetic observations at TMGO
Language :	English
Author, co-author :	Schenewerk, M. [NOAA, SSMC3, 1315 East-West Highway, Silver Spring, USA.]
	van Dam, Tonie [NOAA, SSMC3, 1315 East-West Highway, Silver Spring, USA.]
	Sasagawa, G. [NOAA, CIRES/University of Colorado, Boulder, USA.]
	Philipsen, S. [Aerospace Department, University of Colorado, Boulder, USA]
	Larson, K. [Aerospace Department, University of Colorado, Boulder, USA]
Publication date :	1998
Journal title :	Physics and Chemistry of the Earth
Publisher :	Elsevier Science Ltd.
Volume :	23
Issue/season :	1
Pages :	103-106
Peer reviewed :	Yes (verified by ORBi^lu)
ISSN :	1474-7065
e-ISSN :	1873-5193
Keywords :	[en] GPS ; Tropospheric water vapour ; GPS
Abstract :	[en] Improvements in geodetic tools are making previously subtle effects significant. Two examples affecting GPS observations are atmospheric loading of the Earth's crust and the tropospheric delays, specifically the wet component. Each measurement, tropospheric delays and site coordinates, requires unambiguous determination of the other to achieve the highest accuracy. Table Mountain Geophysical Observatory (TMGO) is a unique site where a long history of observations from two complementary techniques, GPS and superconducting gravimetry, have been accrued. In particular, the superconducting gravity measurements provide a unique baseline for evaluating GPS vertical estimates over a variety of time frames. Positional estimates for TMGO using these techniques will be compared. Tropospheric effects will be identified and discussed. The ability for GPS to make subdaily, daily, and long term vertical estimates will be evaluated.
Permalink :	http://hdl.handle.net/10993/740
DOI :	10.1016/S0079-1946(97)00250-4

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