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Methods are described that extend fields from reconstructed equilibria toinclude scrape-off-layer current through extrapolated parametrized andexperimental fits. The extrapolation includes both the effects of thetoroidal-field and pressure gradients which produce scrape-off-layer currentafter recomputation of the Grad-Shafranov solution. To quantify the degree thatinclusion of scrape-off-layer current modifies the equilibrium, the$\chi$-squared goodness-of-fit parameter is calculated for cases with andwithout scrape-off-layer current. The change in $\chi$-squared is found to beminor when scrape-off-layer current is included however flux surfaces areshifted by up to 3 cm. The impact on edge modes of these scrape-off-layermodifications is also found to be small and the importance of these methods tononlinear computation is discussed.

Effect of Scrape-Off-Layer Current on Reconstructed Tokamak Equilibrium