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  • altimetry  (1)
  • satellite altimetry  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Temporal Variations in Sea Surface Topography and Dynamics of the Earth's Inertia Ellipsoid (1999)
    Springer
    Studia geophysica et geodaetica 43 (1999), S. 7-19 
    Details
    ISSN: 1573-1626
    Keywords: SST ; satellite altimetry ; dynamics ; inertia tensor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geosciences , Physics
    Notes: Abstract Temporal variations in the nine elements of the Earth's inertia ellipsoid due to sea surface topography dynamics were derived from TOPEX/POSEIDON altimeter data 1993 - 1996. The variations amount to about 10 mm in the position of the center of the Earth's inertia ellipsoid (E i ), 0.15'' in the polar axis direction of E i and to about 0.0003 in the denominator of its polar flattening. The approach used is based on the temporal variations of distortions computed by means of the geopotential model EGM96 which is used as reference.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1023353807291
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  • 2
    Electronic Resource
    Electronic Resource
    Topex/Poseidon Altimetry and Dynamics of the Ocean-Atmosphere System (2000)
    Springer
    Studia geophysica et geodaetica 44 (2000), S. 1-12 
    Details
    ISSN: 1573-1626
    Keywords: Sea surface ; altimetry ; variations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geosciences , Physics
    Notes: Abstract The T/P altimeter data 1993 – 1997 (cycles 11 – 194) has been analyzed with emphases on seasonal variations in sea surface topography (SST). The amplitude of the annual variations amounted to (5.9±0.3) mm when inverted barometer (IB) corrections were applied and (2.0±0.4) mm without any IB corrections. The amplitude of the semi-annual variations in SST was small with IB corrections applied: (0.6±0.3) mm. However, when no IB corrections were applied, it was (1.8±0.4) mm, i.e. the semiannual variations are at the same level as the annual variations with no IB corrections. The phase angle offset of the annual term has shifted by about 180° when IB correction was applied. The dynamics of the ocean-atmosphere system is discussed and it is concluded that it could, at least partly, be responsible for the above observed effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1022052022618
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