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A microbarograph for internal gravity wave studies in Antarctica

first_imgMeasurement of pressure fluctuations provides the best means of detecting atmospheric internal gravity waves at the Earth’s surface. We have developed an instrument which is sufficiently sensitive to detect the small pressure fluctuations associated with such waves yet robust enough for deployment in an Antarctic environment. The instrument incorporates several novel features, both in its design and in the method of deployment used. A prototype instrument has been successfully deployed at the British Antarctic Survey’s Halley Station during 1989. The design of an experiment using an array of six improved instruments is briefly described.last_img

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