Calculate the bin depth below the surface

Usage

adcp_calculate_bin_depth(dat, metadata = NULL, inst_alt = NULL)

dat: Data frame of ACDP data in long format, as returned by adcp_pivot_longer().
metadata: Data frame with metadata information for the deployment in dat (e.g., a row from the NSDFA tracking sheet). Must include column Inst_Altitude. Option to use default value metadata = NULL and provide the required value in the inst_alt argument.
inst_alt: Height of the instrument above the sea floor (in metres). Not used if metadata argument is specified.

Bin depth below the surface is calculated as:

bin_depth_below_surface_m = sensor_depth_below_surface_m + inst_alt - bin_height_above_sea_floor_m

A warning is printed if any bin_depth_below_surface_m are negative.