Radiation flux from the upper and lower hemispheres in the visible spectral range

This paper describes measurements from shortwave radiation radiosonde ascents done at the Atlantische Expedition 1969. Using the results from a total of 67 ascents mean components of the shortwave radiation budget of the atmospheric layer between the ocean surface and the top of the ascent are discussed. The influence of clouds on the radiation balance is shown by dividing the ascents in classes of cloudiness and cloud altitude. Thereby the albedo of the ocean surface is increasing with increasing amount of cloudiness. Similar the albedo of the troposphere increases involving an increased heating rate of the atmospheric layer.本论文阐述了1969年大西洋考察队（Atlantische Expedition 1969）开展的短波辐射无线电探空仪（radiosonde）升空观测数据。基于总计67次探空升空的观测结果，本文对海洋表面至探空升限之间大气层的短波辐射收支平均分量展开分析。通过将探空观测按云量与云高划分为不同类别，本文揭示了云层对辐射平衡的影响：海洋表面反照率（albedo）随云量增加而升高；同理，对流层（troposphere）反照率升高会伴随对应大气层加热速率的提升。