title: Evaluation of atmosphere clearness and cloudiness parameters in the southern regions of Ukraine using statistical analysis
abstract: Introduction. This paper deals with the specific aspects of insolation of the terrestrial surface in the southern regions of Ukraine, namely the clearness index and diffuse fraction of the atmosphere. The study was based on satellite data of the average daily insolation and total cloudiness in the nodes of the two-degree grid for the domain with coordinates 48°-45° N and 29°-39° E for the period of 1981-2020. The purpose of article. The purpose was to develop statistic models of horizontal surfa
journal: Visnyk of V N Karazin Kharkiv National University series Geology Geography Ecology