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Harry G. Stumpf

Abstract

The daily acquisition of thermal infrared imagery from the NOAA-2 satellite permitted the delineation and monitoring of a series of upwellings in the Gulf of Tehuantepec during December 1973. Following the upwelling, a large anticyclonic gyre was detected in the imagery as the coastal currents returned to their historical positions.

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Harry G. Stumpf
and
P. Krishna Rao

Abstract

Pronounced eddies along the western edge of the Gulf Stream were again observed by the Very High Resolution Radiometer aboard the NOAA-2 satellite. A rare sequence of infrared images obtained over a period of seven days shows for the first time the complete evolution of meanders through the eddy stage.

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Harry G. Stumpf
and
Richard V. Legeckis

Abstract

Active mesoscale (300 km diameter) eddy formation off the Pacific coast of Central America was observed during February 1976 by a thermal infrared sensor aboard the NOAA 4 satellite. These anticyclonic eddies, closely associated with wind-induced upwellings, propagate westward at an average speed of 13 km day−1, which is approximately the speed of nondispersive baroclinic Rossby waves at latitude 12°N.

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