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Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Physical oceanography

operational oceanography

Earth science; Physical oceanography

The activity of routinely making, disseminating, and interpreting measurements of the seas and oceans so as to provide continuous forecasts of the future condition of the sea for ...

Quasi-Biennial Oscillation

Earth science; Physical oceanography

The alternation of easterly and westerly winds in the equatorial stratosphere with an interval between successive corresponding maxima of 20 to 36 months. The regimes start at ...

potential evaporation

Earth science; Physical oceanography

The amount of water that would be evaporated from a land or water surface if the water supply were unlimited, as opposed to actual evaporation. The latter will fall below the ...

resonance angle

Earth science; Physical oceanography

The angle at which the component of the wind speed acting in the direction of a wave field is equal to the wave speed. From Baker, Jr. et al. (1966).

ergodic hypothesis

Earth science; Physical oceanography

The assumption that a process is statistically stationary, and therefore ensemble averaging is equivalent to averaging over time.

GEWEX Asian Monsoon experiment (GAME)

Earth science; Physical oceanography

The goal of which is to understand the role of the Asian monsoon in the global climate system and develop methods for long-range forecasting.

Global Terrestrial Observing System

Earth science; Physical oceanography

The GTOS is a global observing program planned jointly by FAO, UNESCO, ICSU, WMO, and UNEP.