CTD bottle cast data as example data frame for visualization functions.
Format
A data frame (851,493: rows x columns) with variables:
- lon
longitude
- lat
latitude
- date
date
- quarter
quarter
- depth_m
depth below the surface in meters
- sta_dpos
difference in position, from 5 (nearshore), 10 (offshore) to 20 (outside 113 station extended area)
- t_degc
temperature (Celsius)
- salinity
salinity (TODO: units)
- o2sat
oxygen saturation (TODO: units)