Marsden chart: Difference between revisions
From Glossary of Meteorology
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|Display title=Marsden chart | |||
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|Meaning=A system introduced by Marsden early in the nineteenth century for showing the distribution of meteorological data on a [[chart]], especially over the oceans. | |||
|Explanation=A Mercator [[map projection]] is used, the world between 80°N and 70°S latitudes being divided into [[Marsden squares]] each of 10° longitude. These squares are systematically numbered to indicate position. Each square may be divided into quarter squares, or into 100 one-degree subsquares numbered from 00 to 99 to give the position to the nearest degree. | |||
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Latest revision as of 11:36, 29 March 2024
A system introduced by Marsden early in the nineteenth century for showing the distribution of meteorological data on a chart, especially over the oceans.
A Mercator map projection is used, the world between 80°N and 70°S latitudes being divided into Marsden squares each of 10° longitude. These squares are systematically numbered to indicate position. Each square may be divided into quarter squares, or into 100 one-degree subsquares numbered from 00 to 99 to give the position to the nearest degree.
