Computer Science – Numerical Analysis
Scientific paper
Aug 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988geoj...94..263c&link_type=abstract
Geophysical Journal (ISSN 0952-4592), vol. 94, Aug. 1988, p. 263-270.
Computer Science
Numerical Analysis
45
Annual Variations, Daytime, Earth Rotation, Gravitational Fields, Remote Sensing, Surface Water, Angular Momentum, Numerical Analysis, Precipitation (Meteorology)
Scientific paper
The effects of seasonal changes in continental surface-water storage on the low-degree gravitational-field coefficients (J), the annual wobble excitation (Psi), and the seasonal length-of-day (LOD) variations are investigated by means of numerical simulations based on compiled meteorological data (Willmott et al., 1985) and satellite snow-load estimates (Chao et al., 1987). The formulation of the model equations and the overall characteristics of the data sets are discussed in detail, and the computation results are presented in tables and graphs. The effect on Psi is found to be relatively small due to longitudinal cancellation, but those on LOD and J are considered significant.
Fong Chao Benjamin
O'Connor William P.
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