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Diurnal fluctuations in the physico-chemical conditions of the Shatt al-Arab and the Ashar Canal

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Diel fluctuations of temperature, dissolved oxygen, carbon dioxide, pH, total alkalinity and chlorosity in the Shatt al-Arab River and the Ashar Canal at Basrah, Iraq were studied. The study covered three 24-hour periods in three different months. Appreciable diurnal changes in the physico-chemical conditions and considerable heterogeneity were noted at the three stations selected. The ranges of diurnal differences between maximum and minimum values of all the parameters studied are provided stationwise.

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Correspondence to A L Sarker.

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Sarker, A.L., Al-Nasiri, S.K. & Hussein, S.A. Diurnal fluctuations in the physico-chemical conditions of the Shatt al-Arab and the Ashar Canal. Proc. Indian Acad. Sci. (Anim. Sci.) 89, 171–181 (1980).

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  • Physico-chemical changes
  • diurnal fluctuation