gsi.Rd
Annual time series of the Gulf Stream Index. Positive values are a more northerly Gulf Stream, and negative values are a more southerly Gulf Stream.
gsi
Time series with 816 rows and 4 columns
Var: Variable of interest.
Value: Value of variable Var
.
EPU: Representative Ecological Production Unit (MAB = Mid-Atlantic Bight, GB = Georges Bank, GOM = Gulf of Maine, SS = Scotian Shelf, or All).
Time: Years.
The GSI is the degrees latitude above the average Gulf Stream position based on ocean temperature at 200 m (15 C) depth between 55°W to 75°W. Ocean temperature data used for this analysis are available at https://resources.marine.copernicus.eu/?option=com_csw&view=details&product_id=SEALEVEL_GLO_PHY_L4_REP_OBSERVATIONS_008_047.
Joyce, T.M. and Zhang, R. 2010. On the path of the Gulf Stream and the Atlantic Meridional Overturning Circulation. Journal of Climate 23, 3146-3154.