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Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 CONT

The primary technique used for checking the inconsistency of precipitation data has been a double mass analysis. In this technique the accumulation at a given station is plotted against the average accumulation for a group of stations. When the number of stations in the group is reasonably large, the accumulation of the group average should be quite stable. Thus, if there is a change in the relationship between a single station and the group at some point in time, it is likely that there has been a change in the precipitation measured at that station. This deviation can be removed by multiplying a portion of the record at that station by a factor that will produce a generally straight line relationship.  2, fiche 1, Anglais, - double%2Dmass%20analysis

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 DEF

Analyse des valeurs successives accumulées d'une variable présentées sur graphique en regard des valeurs accumulées dans le même temps d'une autre variable.  1, fiche 1, Français, - analyse%20par%20double%20cumul

Fiche 1,  Justifications,  Espagnol