A New Methodology For Validating Historical
Hydrometric Data With Redundant Measurements
Author(s)
S. Bennis & N. Kang
Abstract
The aim of this research was to develop an automated methodology for
validating chronological series of natural inflows to reservoirs. Theoretically,
gauges located on the same reservoir should indicate the same reading.
However, under the influence of meteorological and hydraulic factors, or simply
because of failed measuring equipment, there may be large deviations between
the various measurements. Since the calculation of historical natural inflows is
directly linked to the measurement of reservoir level by the water balance
equation, there will be as many series of natural inflows as there are of reservoir
levels. A multivariate filtering technique is used to validate the historical natural
inflow computed by each water level variation. The multi filter methodology has
the advantage of balanc
Keywords
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