期刊
GEOPHYSICAL RESEARCH LETTERS
卷 35, 期 22, 页码 -出版社
AMER GEOPHYSICAL UNION
DOI: 10.1029/2008GL035152
关键词
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资金
- Canadian GEOIDE Networks of Centres of Excellence
- Canadian Foundation for Climate and Atmospheric Studies Global Ocean-Atmosphere Prediction and Predictability Project
Estimates of dynamic ocean (or sea surface) topography based on satellite altimetry and gravity observations generally become degraded as they approach land. In this study, dynamic ocean topography for the northeast Pacific Ocean is computed independently of satellite observations using a high resolution model and seasonal climatologies of temperature, salinity, and wind stress. Comparisons with estimates based on satellite gravity and altimetry measurements show reasonable agreement in the deep ocean but are poor on continental margins where the ocean model estimates not only reveal significant seasonal differences, but are also shown to be reasonably accurate when compared with satellite altimetry and coastal tide gauge measurements. The dynamic ocean topography estimates provided here will permit more accurate calculations of the geoid and satellite altimeter absolute heights and currents. Citation: Foreman, M. G. G., W. R. Crawford, J. Y. Cherniawsky, and J. Galbraith (2008), Dynamic ocean topography for the northeast Pacific and its continental margins, Geophys. Res. Lett., 35, L22606, doi: 10.1029/2008GL035152.
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