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Relation between antecedent precipitation index and water level in drying wetlands

, : Relation between antecedent precipitation index and water level in drying wetlands. Bulletin of the Faculty of Bioresources, Mie University ( 9): 63-75

The effects of pump irrigation on wetlands in Japan that are gradually drying out were discussed. Precipitation, water level and the suction of unsaturated soil were measured. The antecedent precipitation index (API) was developed further to become a function of precipitation and the pumped-up specific daily discharge. By measuring API throughout the year, the critical low point was established below which wetland plants could not survive during the dry season.

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