Global port environmental data used for environmental distance calculations

This dataset contains a list of 8392 global commerical shipping ports, with geographic coordinates and four environmental variables (i.e. salinity, mean temperature during the warmest month, mean temperature during the coldest month and annual average temperature (all at water surface)). Data were primarily sourced from the U.S. National Oceanic and Atmospheric Administration World Ocean Atlas. Data for estuarine and riverine ports has been corrected, where better information was available, with particular focus on Canadian port data and top last-ports-of-call for ships arriving to Canada.