Somali CurrentA Seasonal Western Boundary

CurrentPresented by: Livia Montone

Monsoon Wind Stress Fields from NCEP Climatology

T-S diagram of Indian Ocean Water Masses

(Schott et al., 2009)

Ekman Forcing

Ekman Pumping:w(0)= -curl (𝝉�/𝝆f))

(Schott and McCreary, 2001)

Geostrophic Response

Seasonal Surface Currents

(Schott et al., 2009)(Schott and McCreary, 2001)

Somali Current Flow Patterns

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Strong upwelling event along 12oN during 29 August-1 September 1964 (Schott and McCreary, 2001)

References

• Schott, F.A., and J.P. McCreary (2001), The monsoon circulation of the Indian Ocean, Progress in Oceanography, 51, 1-123.

• Schott, F.A., S.-P. Xie, and J.P. McCreary (2009), Indian Ocean circulation and climate variability. Rev. Geophys., 47, RG1002.

• Shankar, D., P.N. Vinayachandran, A.S. Unnikrishnan (2002), The monsoon currents in the north Indian Ocean. Progress in Oceanography, 52, 63-120.