This function is deprecated because the CalCOFI API is being phased out
in favor of direct DuckDB database access. Use cc_read_cruise() to
read cruise data, or query the database directly with cc_get_db().
get_cruises()data frame with columns:
cruise_id: unique identifier for cruise
date_beg: date cruise began
date_end: date cruise ended
lon_min: longitude, minimum (as in for bounding box of cruise)
lon_max: longitude, minimum (as in for bounding box of cruise)
lat_min: latitude, minimum (as in for bounding box of cruise)
lat_max: latitude, minimum (as in for bounding box of cruise)
n_casts: number of oceanographic CTD casts made for given cruise
if (FALSE) { # \dontrun{
# deprecated - use instead:
cc_read_cruise()
} # }