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Meteorological conditions over the South Atlantic Ocean during July and August of 1991.
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1992
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[PDF-141.74 MB]
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Description:In the austral winter of 1991, the NOAA ship Malcolm Baldrige conducted a research cruise in the South Atlantic Ocean investigating ozone, carbon dioxide, and other related trace species which may be significant to the earth's radiation balance. To better understand the environmental conditions accompanying the acquired air samples, meteorological data were collected on board ship using twice daily rawinsondes. The meteorological data are presented using soundings and cross-sections along with synoptic maps and back-trajectories developed during post-cruise analyses. The synoptic maps illustrate the general meteorological conditions of the area in terms of pressure distributions at mean sea-level while the back-trajectories illustrate the flow of an air parcel due to the synoptic conditions over the ten days prior to reaching the ship. Sounding data obtained from rawinsonde launches on board ship present the vertical structure of the atmosphere using four variables: temperature, relative humidity, potential temperature, and wind. The cross-sections give an overall view of the change in a parameter over a horizontal distance between two points illustrating general outlines of the meteorological regimes encountered.
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Rights Information:CC0 Public Domain
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Compliance:Library
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