Abstract
AbstractTo investigate the soil‐layer configuration requirement for numerical studying large‐eddy scale atmosphere and land surface interactions, we conduct two experiments with an atmosphere and land surface coupled large‐eddy model, one with the ‘usual’ soil‐layer configuration and the other with a finer one. It is found that the former configuration prevents the soil to respond to atmospheric large eddies and the soil acts solely as a fixed external condition to the atmospheric turbulence, and is thus inadequate for large‐eddy atmosphere and land surface coupled modeling. It is shown that soil‐layer configuration has a profound impact on the simulated atmospheric boundary layer dynamics. Copyright © 2013 Royal Meteorological Society
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