Remapped overturning into depth space, masked the mediteranean in mom5 (

#284)

* Remapped overturning into depth space, masked the mediteranean in mom5

* fix mom5 chuncking + corrected cutout latitude in mom6

* reviewed code

* spaces after commas, use unstable, rerun all

* use conda env 23.04

* fix colorbar tickes

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Co-authored-by: Wilton Filho <[email protected]>
Co-authored-by: Wilton Filho <[email protected]>
Co-authored-by: Navid C. Constantinou <[email protected]>