Numerical Simulation of Convective Layer with the Feedback Effect of Cloud-Convection-Radiation-Surface Energy Budget

A 3D numerical model has been developed for investigating the complicated relations between cloud, convection, radiation and surface energy budget. Using this model, a sensitivity analysis of radiation to surface energy budget and two kind of numerical experiments have been performed and following results are obtained: 1) Net radiation at the ground surface has a maximum value at a lower water cloud content. 2) Radiative cooling of atmosphere restrains the development of convective layer. 3) Radiative cooling of cloud activates the development of cloud top.