A set of centroids for the grid to calculate effort by station using Voronoi diagram to fetch nearest station, additionally clipped by land (rnaturalearthhires::states10).
Format
A sf spatial feature set with
- site_key
site key in the form of "
lin,pos"- sta_lin
alongshore line in CalCOFI coordinate system
- sta_pos
offshore position in CalCOFI coordinate system
- sta_dpos
difference in position, from 5 (nearshore), 10 (offshore) to 20 (outside 113 station extended area)
- geom
station latitude and longitude in decimal degree geographic coordinates (SRID 4326)