*This update to COBALT changes answers! Fixes from Charles Stock
1) fix a bug in the benthic denitrification; and
2) replace benthic calculations previously done with the bottom layer with an average over a specified thickness.
Also merge some OBC changes from master branch to generic_tracer_utils.F90
These are interface changes needed to compile/run with the most recent MOM6/SIS2 commits
*This update to COBALT changes answers! Fixes from Charles Stock
Also merge some OBC changes from master branch to generic_tracer_utils.F90 These are interface changes needed to compile/run with the most recent MOM6/SIS2 commits