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Radiative characteristics of the system 'broken cloudiness-underlying surface'

机译:系统“破碎的浑浊表面”的辐射特性

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Solar radiation having been absorbed by the atmosphere and underlying surface and then being transformed into other forms of energy regulates all the dynamic processes occurring in the Earth's climate system. The clouds covering a considerable portion of the globe represent the major modulator of radiation energetics of the climatic system. Cloud cover as being subjected to strong variations in its forms and in the space is the major contributor to the dynamics of the radiation regime and brightness fields of the system. In this connection, one of the most important problems in the theory of radiative transfer lies in the study of the effects associated with the extreme spatial variability of clouds as well as in the construction of adequate parameterization schemes of radiation balance of the system `atmosphere-underlying surface' in the numerical models of weather forecast and climate. On the basis of the theory of radiative transfer in the statistically homogeneous cloud fields with stochastic geometry and deterministic optical parameters inside the individual clouds (broken clouds) we intended to evaluate the sensitivity of the mean spectral fluxes of visible solar radiation to the variations in such characteristics as (1) cloud drop size distribution function; and (2) optical parameters of atmospheric aerosol being contained both inside the clouds (as condensation nuclei) and outside them.
机译:已经被大气和下面吸收的太阳辐射,然后转化为其他形式的能量调节地球气候系统中发生的所有动态过程。覆盖着全球相当一部分的云层代表了气候系统的辐射能量学的主要调节剂。云盖在其形式和空间中受到强大变化,是系统的辐射制度和系统亮度场的动态的主要因素。在这方面,辐射转移理论中最重要的问题之一在于研究与云极端空间变异性相关的影响以及系统“气氛的辐射平衡的适当参数化方案的效果”天气预报和气候数值模型的潜在表面。基于具有随机几何形状的统计上均匀云场的辐射转移理论,以及各个云中的确定性光学参数(破碎的云),我们打算评估可见光辐射平均光谱通量对诸如此类的变化的敏感性特征为(1)云跌落尺寸分布函数; (2)大气气溶胶的光学参数含有云层(作为冷凝核)和外部。

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