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Remote Small Hydro Reconnaissance Methodology, Vol. 1 (1996)
Ottawa Engineering Ltd, Canada


The hydrologic assessment uses a 'flow factor' for ungauged sites which is the ratio of the area of the ungauged catchment to that of a nearby gauged one for which records are available. These records are then multiplied by the flow factor to produce a synthetic record for the ungauged site.

The method does not take soil type or precipitation into account and should therefore only be used for a first approximation.

For further information on this method visit Ottawa Engineering Limited's website at www.ottawaengineering.com