Naslov
Earth Gravity Field and Seasonal Variability from CHAMP

Autori
Reigber, Christoph ; Jochmann, Horst ; Wünsch, Johann ; Petrović, Svetozar ; Schwintzer, Peter ; Barthelmes, Franz ; Neumayer, Karl-Hans ; König, Rolf ; Förste, Christoph ; Balmino, Georges ; Biancale, Richard ; Lemoine, Jean-Michel ; Loyer, Sylvain ; Perosanz, Felix

Vrsta, podvrsta i kategorija rada
Poglavlja u knjigama, znanstveni

Knjiga
Earth Observation with CHAMP - Results from Three Years in Orbit

Urednik/ci
Reigber, C. ; Lühr, H. ; Schwintzer, P. ; Wickert, J.

Izdavač
Springer

Grad
Berlin : Heidelberg : New York

Godina
2005

Raspon stranica
25-30

ISBN
978-3-540-22804-2

Ključne riječi
CHAMP satellite gravity mission - global gravity field model - temporal gravity field variations

Sažetak
GPS-CHAMP satellite-to-satellite and accelerometry data covering 2.5 years of the CHAMP mission period were exploited to generate the global gravity field model EIGEN-3p revealing considerable improvements in both accuracy and resolution with respect to the previous model EIGEN-2. For the year 2001, CHAMP and satellite laser ranging data of four satellites were combined to recover largest scale monthly gravity field variations that are subsequently analyzed for the annually varying constituents. The temporal gravity field variations observed by CHAMP and the SLR satellites are compared in the spectral and spatial domain with geophysically (atmosphere, ocean, hydrology) predicted gravity variations that do not reflect the large observed scattering in the monthly solutions but are of comparable size and distribution on the annual time scale.

Izvorni jezik
Engleski

Znanstvena područja
Geologija, Geodezija

POVEZANOST RADA