Hydrochemistry of precipitation of northern Jordan

Abstract
In this paper, the precipitation water quality in Jordan is discussed with respect to a station located in central northern Jordan and supported by analyses from different other locations. In contrast to industrialized countries, precipitation over Jordan is dominantly alkaline. Only after heavy rain does the rainwater turn acidic. The dissolved solids concentration has a weighted average of about 30 mg/l, consisting mainly of Ca, Mg, Na, HCO3, and Cl. Relatively high concentrations of bromide are found in the precipitation water in Jordan, with a weighted average of 180 μg/l. Hence, the high bromide concentration in Jordan's water resources can be explained. The presence of alkaline water also explains the genesis of tripoli deposits in some areas in Jordan.

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