Atmospheric Contributions to Earth Nutation: Geodetic Constraints and Limitations of the Torque Approach

Autor:	Olivier de Viron, Jean O. Dickey, Steven L. Marcus
Rok vydání:	2004
Předmět:	Physics Atmospheric Science Angular momentum Nutation Dynamics (mechanics) Geodetic datum Forcing (mathematics) Geodesy Rotation Physics::Geophysics Physics::Space Physics Torque Astrophysics::Earth and Planetary Astrophysics Atmospheric dynamics Physics::Atmospheric and Oceanic Physics
Zdroj:	Journal of the Atmospheric Sciences. 61:352-356
ISSN:	1520-0469 0022-4928
Popis:	Atmospheric motions in the retrograde diurnal (S1) band are of interest to a wide community of researchers in earth dynamics and geodesy, due to their potential contribution to the low-frequency motions of the rotation axis known as nutations. Previous studies of these effects have noted an order-of-magnitude discrepancy between estimates of atmosphere-induced nutation based on the torque and angular momentum approaches. In this note, angular momentum budgets computed from NCEP reanalysis data are examined in order to isolate the reasons for this discrepancy, and associated constraints on the atmospheric response to solar diurnal forcing are considered.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::6eb3a54faf23e23cfee5964d9b8a954b https://doi.org/10.1175/1520-0469(2004)061<0352:acteng>2.0.co Zobrazit plný text záznamu Plný text ve formátu PDF