calcofi_bottle — v2026.09.11

Provenance. Built from CalCOFI integrated database release v2026.09.11 on 2026-09-12 from sample, obs, obs_attribute, sample_measurement, taxon.

CF scope. CF-1.10 where CF applies (coordinates, units, standard names, time). The cast -> bottle -> occurrence hierarchy uses netCDF-4 groups with explicit parent_index links; CF defines no feature type for this nesting.