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Research explores the significance of rainfall and its estimation in the global climate system, suggesting implications for environmental processes.
The hydrologic cycle is the most important component of the global climate system. This is true on physical, biological and ecological grounds. Although water in the air makes up only 0.001 per cent of the total amount of water in the global system, it influences the behaviour of the atmosphere on scales ranging from microscopic to global. Precipitation is particularly significant to processes at the surface of the earth, and so there is a continuing effort to estimate rainfall on local, regional and global scales.
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M. J. Manton (1993) studied this question.
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