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Ekman pumping obtained from various scaterometers are compared with those derived from ECCO model which assimilate TOPEX-derived sea level anomalies using the adjoint and Kalman filter/smoother methods.
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Monsoons are the seasonal changes of winds forced by continent-ocean temperature contrast. Their annual onset, intensity, and retreat vary greatly, and the variation has strong economic impact and may cause severe human suffering.
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The first in-situ field observations of Antarcic austral summer sea-ice melt were made in the Bellingshausen Sea by Arctowski (1908) on Belgica in 1899, and later by Wordie (1921) during the ill-fated drift of Endurance in the Weddell Sea from 1914-1916.
We hypothesize that the strong sensitivity of radar backscatter to surface dielectric properties, and hence to the phase (solid or liquid) of any water near the surface, should make space-borne radar observations a powerful tool for large-scale spatial monitoring of the freeze/thaw state of the land surface, and thus ecosystem growing season length.
One key parameter in understanding the weather is the ocean surface wind vector because of its role in the energy exchange at the air-sea interface.
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