read_is_survey_stations.RdA conenient wrapper that read a dataframe of Icelandic trawl vessel survey
tow data. The variables are cruise_id (cruise identification number),
station_id (unique station identification numner), station_nr
(a non-unique station number), date (date the tow was taken),
vid (vessel identification number), sclass (sample class, 30
is the annual spring survey, 35 the annual fall survey) and time-space
informations: start (lon1, lat1, t1) and end
(lon2, lat2, t2) of towing as reported by the vessel
captain.
read_is_survey_stations()A tibble