TeachMeFinance.com - explain global measurement
global measurement The term 'global measurement' as it applies to the area of Earth observation can be defined as ' All of the activities required to specify a global variable, such as ozone. These activities range from data acquisition to the generation of a data-analysis product, and include estimates of the uncertainties in that product. A global measurement often will consist of a combination of observations from a spacecraft instrument (required for global coverage) and measurements in situ (needed to provide reference points for long-term accuracy)'.
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