RUI: Ground-based Passive Remote Sensing of the Overcast Sky

这项研究的目的是使用光谱辐射测量和数字成像来量化来自阴天的光，以高光谱、空间和时间分辨率测量光的光度、色度和偏振特性。这些在不同气象条件下进行的观测将比迄今为止更好地描述天窗的物理特征，从而为评估不同的大气辐射传输模型提供新的标准。 这项工作的更广泛影响不仅包括对大气光学的贡献，还包括对云对辐射传输和气候影响的理解以及对本科生教育的贡献。

The objective of this research is to quantify the light from the overcast sky using spectroradiometry and digital imaging to measure the photometric, colorimetric, and polarimetric properties of the light with high spectral, spatial, and temporal resolution. These observations, taken under different meteorological conditions, will constitute a better description of the physical characteristics of skylight than hitherto available and thus provide a new standard for evaluating different atmospheric radiative transfer models. Broader impacts of the work include contributing not only to atmospheric optics, but also to the understanding of cloud effects on radiative transfer and climate and to the education of undergraduate students.