Some figures from the Levitus Atlas

1. Surface salinity near North America
2. Surface salinity worldwide
3. Salinity in the Atlantic along 41.4°N
4. Surface salinity and temperature worldwide

1. Sigma-theta and DH on each other (Pacific Equator)
2. MSF on Sigma-theta=24.5 from ferret
3. MSF along the equator
4. d(MSF)/dx along the equator
5. Steps in finding the MSF along the equator