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These three scenarios give us our possible limits of FW exchange in our 2-dimensional model. With FW addition as high as 15,000 m3/s, we can not exclude onshore Ekman transport as a potentially significant source of FW to the coastal region. We compare our observed FWT cycle (the black line) with Tom Royers FWD cycle only (the blue line) and then with the limits imposed by the potential Ekman transport (the shaded region). We find that the Royer's cycle overestimates the FW content in the summer and underestimates it in non-summer months, and the addition of the Ekman induced gain of FW is not enough to account the observed cycle. The differences shown here would be exacerbated in non-summer months with the (lacking here) addition of a barotropic component to the flow.

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