Read minimum travel time to cities and ports and
ports of various size, see metadata file in source folder
Usage
readTravelTimeNelson2019(subtype = "cities50")
Arguments
- subtype
currently only cities of 5, 20, or 50 thousand people ("cities5", "cities20", "cities50") or
ports of various sizes ("portsLarge|Medium|Small|VerySmall|Any")
Value
gridded magpie object for 2015, minimum travel time to cities in minutes