get_sar_map: Download swept area ratio map data

In ices-tools-prod/icesVMS: Link to the ICES Vessel Monitoring System and Logbook Database Web Services

Download swept area ratio map data

Description

Download a data.frame of surface and subsurface swept area ratio by c-square for a given ICES ecoregion.

Usage

get_sar_map(ecoregion, year = NULL, nyears = NULL, convert2sf = FALSE)

Arguments

ecoregion	ICES ecoregion
year	which year to select (see details)
nyears	the number of years to take an average over
convert2sf	logical, default FALSE, should an simple features object be returned if the sf package is installed?

Details

The spatial data.frame contains average annual surface-swept-area-ratio and subsurface-swept-area-ratio averaged over 4 years by default. If year is not specified (NULL) then the present year - 1 is assumed.

Value

a data.frame with a WKT column for the c-square polygons

Examples

## Not run: 
# requires authorization
sar_map <- get_sar_map("Celtic Seas", 2021, convert2sf = TRUE)
plot(sar_map["surface_sar"], border = FALSE, logz = TRUE)

## End(Not run)

ices-tools-prod/icesVMS documentation built on April 24, 2023, 2:31 a.m.