海陆交界处平流辐射雾的二维数值模拟
TWO-DIMENSIONAL MODELING OF THE ADVECTION -RADIATION FOGS ON THE SEA-LAND INTERFACE
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摘要: 本文采用二维非定常数值模式,模拟了大气边界层内海陆交界处的平流辐射雾的形成和演变规律。在模式中考虑了平流、辐射及湍流等物理因子及其相互作用。模拟结果表明,夜间盛行风将暖湿空气带入陆地,水汽经辐射冷却形成雾,地面陆风环流起了一定作用。Abstract: A two-dimensional time-dependent model has been developed to simulate the formation, evolution and dissipation of advection -rediation fogs on sea -land interface within PBL Turbulence, radiation and advection have been considered in the model. The result shows that prevailing wind at night transports warm and humid air from sea to land where it forms fog by radiation cooling together with land breeze effects.
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