The recurrence of drought as conveyed through the return period is expressed as

A. (magnitude of a specific rainfall event) / (duration of the rain event).
B. (rank for a specific precipitation event) / (number of years of record).
C. (duration of the rain event) / (magnitude of a specific rainfall event).
D. (number of years of record) / (rank for a specific precipitation event).


Answer: D

Environmental & Atmospheric Sciences

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