Abstract
Peculiarities of the metrological impact on the solution of global environmental problems, in particular, the use of the elements of global metrology system for the decision of the affairs of environmental monitoring objects, the receiving of credible information about the condition of environment are shown in the paper. The use of metrological terms in environmental guides are considered and differences in definitions of the same names of metrological terms, which are applied in international environmental guides and international standards, are shown. Significant attention is paid to common questions relative to the methods of the expression of the uncertainty of measurements and the estimates of the results of the definition of the environmental characteristics of global objects. The bases analysis of uncertainty and its main sources are considered. Peculiarities of the expression of uncertainty and the variants of its estimation in international metrological and environmental guides are shown. Basic positions concerning the uncertainty estimates obtained results, shown in well-known international guides of inventory of greenhouse gases, are considered. The use of international metrological guidance of expression of measurement uncertainty in the development of new and reconsideration of old international environmental guides is recommended. Environmental international guides and international standards used units of measurements, which are not used in the system of SI units, are considered. The maximally possible use of the SI units in international environmental guides is recommended.
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