CARS/WOA interpolation and bathymetry and ETOPO1

[jdassink]

Thank you for developing the OceansDB package.

I compared two profiles, one with the World Ocean Atlas database, and one with CSIRO's CARS climatology.

I noticed that CARS follows ETOPO's bathymetry much closer. Is this reasonable?

I was also wondering if it is possible to access the ETOPO1 database instead of ETOPO5.