ctdcal.process_ctd.manual_backfill

ctdcal.process_ctd.manual_backfill(df, p_cutoff, p_col='CTDPRS', flag_suffix='_FLAG_W')

Overwrite values below cutoff pressure by backfilling the first data point past threshold upward to the surface. Backfilled data are flagged 6.

Parameters

• df (DataFrame) – Input data

• p_cutoff (float) – Cutoff pressure for backfilling

• p_col (str, optional) – Name of pressure column in df

• flag_suffix (str, optional) – Parameter suffix for data flags

Returns

df – Input DataFrame with backfilled data

Return type

DataFrame