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Recent research shows that the surface wave energy dissipation, which is thevertical energy flux across the air-sea interface, can be calculated as theproduct of air density, reference wind speed cubed and an energy transfercoefficient determined by the dimensionless parameters made of wind speed,significant wave height and dominant wave period. In a similar way, thehorizontal wave energy flux of wind generated waves can be represented by thesame dimensionless wind and wave parameters. Satellite altimeters routinelyreport reference wind speed and significant wave height. An algorithm to derivethe characteristic wave period of ocean waves in the altimeter footprint usingthe similarity properties of ocean wind and waves is described. The verticaland horizontal energy fluxes derived from the satellite altimeter are in verygood agreement with the estimation from ocean buoy measurements in fourgeography locations with significantly different wind and wave climates. Thevertical energy flux follows closely the cubic wind speed dependence,reflecting the dominance of short wave contribution in wave generation andbreaking dissipation. The wind speed dependence of horizontal energy flux ismuch weaker especially in mild to moderate wind speed, reflecting its dominanceby long swell component. Application of the energy flux parameterizationfunctions to satellite altimeter measurements offers an efficient method ofestimating the air-sea exchange and ocean energy budget in global scale. Suchdata are extremely difficult to acquire using other means.

Horizontal and vertical energy fluxes of ocean surface waves and their derivation from spaceborne altimeter measurements