“Full in” case for simulations R*_2 at ℓ ≈ 12, color coding as in Fig. 2. Top panel: structure functions (upper curves) and (lower curves), curves vertically shifted to start from one common point. Stars connected by lines indicate data used to determine ESS scaling exponents. Also indicated are slopes and as obtained by Kritsuk et al. (2007a) for 3D periodic box simulations. Bottom panel: fit (solid lines) of ESS scaling exponent as slope of versus . Filled symbols denote data used for the fit, empty symbols denote all data available.