This function generates a Gulf Stream index indicator from ecodata R package to an R object
Gulf Stream Index: measure of the Gulf Stream position relative to the mean position
Positive values == More northerly
Negative values == More southerly
Usage
create_gsi(data)
Arguments
data
Filepath to the indicator data
return
Boolean. Whether to return the indicator as an object in the global environment
Value
Saves R object gsi, returns Gulf Stream Index indicator