Description of field, format, units.
Ship = Ship name
Date = Date, datetime, day/month/year
Region =Region
Site = Site within region
Stn = Tow number; Plot_Symbol Column added to aid plotting data in R, pch=integer
AvDepth_m = Average water depth during tow in metres
UTC_Start = Time of tow start, UTC, hh:mm
Lat_Start = Latitude of tow start, numeric, dec deg
Lon_Start = Longitude of tow start, numeric, dec deg
UTC_End=Time of tow end, UTC, hh:mm
Lat_End = Latitude of tow end, numeric, dec deg
Lon_End = Longitude of tow end, numeric, dec deg
TowLen_mins = Duration of tow, numeric, mins
TowLenGPS_m = Tow length estimated from start and end GPS positions, metres
TowLengthVerticalStitched_m = Tow length estimated from vertically stitching seabed video, metres
QualityVerticalStitching = Qualitative assessment of quality of vertical stitching, text
Diff_TowLen_GPS_VerticalStitched = Difference b