Planktic foraminifera from ODP Hole 117-723B, supplement to: Anderson, David M; Prell, Warren L (1991): Coastal upwelling gradient during the Late Pleistocene. In: Prell, WL; Niitsuma, N; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 117, 265-276

David M Anderson & Warren L Prell
Upwelling occurs during the summer off the coast of Oman when the Asian monsoon produces strong southwest winds in the northern Arabian Sea. Ekman transport driven by the southwest monsoon winds upwells cool nutrient-rich waters along the coast which contrast with the warmer, less productive waters offshore. The spatial pattern of foraminifers in the sediments corresponds with the coastal environmental gradient. The upwelling species Globigerina bulloides dominates the sediment assemblage on the continental margin, while...
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