Statistical Evaluation of Results of Operative Precipitation Enhancement Activities over Large Areas Using Historical Regression Method

B. P. Koloskov

Review of methods, used for statistical evaluation of results of artificial precipitation enhancement activities, is given. The historical regression method, modified for statistical evaluation of results of operative works on the artificial precipitation enhancement over large areas, is described. To control the efficiency of operative works, the “floating control method,” which uses a variable, or “floating,” set of meteorological stations as control stations instead of the fixed one, is proposed to be used. Problems of the criterion choice and the best regression equation search procedure are considered.

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