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VIC runs fine in water-balance mode, but when I set FULL_ENERGY to TRUE, it crashes – why?

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VIC runs fine in water-balance mode, but when I set FULL_ENERGY to TRUE, it crashes – why?

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If you are running an older version of VIC (pre-4.1.1), one explanation might be that your soil parameter file has “nodata” values (e.g. -9999) for bubbling pressure, which is not needed for water balance runs. Bubbling pressure is necessary for energy-balance runs, but older versions of VIC did not check whether the values of bubbling pressure in the soil parameter file were valid. 4.1.1 does check and exits with an error message if bubbling pressure is not valid. If you need a quick-and-dirty way to generate values of bubbling pressure so that you can start an energy-balance run, you can use an approximate relationship between bubble and values of expt in your soil parameter file, derived by applying a linear regression to the values from Table 5.3.2 in Handbook of Hydrology and converting lambda to Brooks-Corey’s n via Table 5.1.1 in Handbook of Hydrology. VIC reports that the energy balance failed to converge in snow_intercept, calc_atmos_energy_bal, calc_surf_energy_bal, or solve_

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