Browsing by Author "S. Nieuwolt"

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    The use of an agricultural rainfall index in Malaysia
    (Springer, 1982) M. Z. Ghazalli; S. Nieuwolt
    Monthly rainfall probabilities of 80% are expressed as percentage of the potential evapotranspiration. This monthly value, called the Agriculture Rainfall Index, is used in zoning Peninsular Malaysia into agroclimatic regions, based on length of dry periods. Four agroclimatic zones are recognized in Peninsular Malaysia. These are (a) regions which have regular dry seasons for up to four months, (b) regions which have less regular and shorter dry seasons, (c) regions with a fairly regular occurrence of two dry seasons per year, and (d) regions with low risks of a dry period.