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Table 1 List of selesscted adjustable parameters and their ranges of LOVECLIM

From: How parameter specification of an Earth system model of intermediate complexity influences its climate simulations

Index Module Parameter Definition Default Range
P1 ECBILT-atm ampwir Scaling coefficient for the longwave radiation scheme (amplw)—general value (excluding the equator area). 1 [0.5, 1.5]
P2 ECBILT-atm ampeqir Scaling coefficient for the longwave radiation scheme (amplw)—for the equator area between 15° S and 15° N. 1.8 [1.0, 2.5]
P3 ECBILT-atm expir Exponent for the longwave radiation scheme 0.4 [0.2, 0.6]
P4 ECBILT-atm relhmax Precipitation also occurs if the total precipitable water below 500 hPa is above this relevant threshold. 0.83 [0.50, 0.90]
P5 ECBILT-atm cwdrag Drag coefficient to compute wind stress 2.1E-3 [1.0E-3, 4.0E-3]
P6 ECBILT-atm cdrag Drag coefficient to compute sensible and latent heat fluxes 1.4E-3 [1.0E-3, 2.0E-3]
P7 ECBILT-atm uv10rfx Reduction in wind speed between 800 hPa and 10 m 0.8 [0.7, 0.9]
P8 ECBILT-atm dragan Rotation of the wind vector in the boundary layer (unit: degree) 15 [10, 20]
P9 ECBILT-land alphd Albedo of snow 0.72 [0.60, 0.90]
P10 ECBILT-land alphdi Albedo of bare ice 0.62 [0.50, 0.80]
P11 ECBILT-land alphs Albedo of melting snow 0.53 [0.30, 0.60]
P12 ECBILT-land albice Albedo of melting ice (general) 0.44 [0.30, 0.60]
P13 ECBILT-land albin Albedo of melting ice (Arctic) 0.44 [0.30, 0.60]
P14 ECBILT-land albis Albedo of melting ice (Antarctic) 0.44 [0.30, 0.60]
P15 ECBILT-land cgren Increase in snow/ice albedo under cloudy conditions 0.04 [0.01, 0.10]
P16 ECBILT-atm corAN Reduction in precipitation over the Atlantic (North) −0.085 [−0.10, −0.05]
P17 ECBILT-atm corAS Reduction in precipitation over the Atlantic (South) −0.085 [− 0.10, − 0.05]
P18 ECBILT-atm corAC Reduction in precipitation over the Arctic −0.25 [−0.30, − 0.20]
P19 ECBILT-land evfac Maximum evaporation factor over land 1 [0.5, 1]
P20 ECBILT-land bmoismfix Maximum bucket depth (unit: m) 0.15 [0.01, 0.50]
P21 CLIO-ocean bering Scaling factor for computing the Bering Strait throughflow 0.3 [0.2, 0.5]
P22 CLIO-ocean ai Coefficient of isopycnal diffusion (unit: m2 s−1) 300 [200, 400]
P23 CLIO-ocean aitd Gent-McWilliams thickness diffusion coefficient (unit: m2 s−1) 300 [200, 400]
P24 CLIO-ocean ahs Horizontal diffusivity for scalars (unit: m2 s−1) 100 [50, 150]
P25 CLIO-ocean ahu Horizontal viscosity (unit: m2 s−1) 1E5 [0.5E5, 1.5E5]