RESEARCH ON THERMAL ENVIRONMENT ANALYSIS OF PHOTOVOLTAIC POWER PLANTS BASED ON REMOTE SENSING IMAGES

Abstract

Abstract. As a representative of new energy, photovoltaic power stations have developed rapidly in China, with annual installed capacity increasing. At present, research on photovoltaic power plants mainly concentrates on carbon neutrality based on the whole life cycle, and there are few studies on the thermal environment problems that may be caused by photovoltaic power plants. This paper takes the area where the photovoltaic power station is located in Quyang County, Baoding City, Hebei Province, and the surrounding mountains as the research area. It uses Gaofen-1 and Landsat 8 remote sensing images to study the changes in land cover and surface temperature before and after the construction of mountain photovoltaic power stations over a period of 8 years from 2013 to 2020.Given the lack of quantitative research on the impact of mountain photovoltaic power stations on the surrounding environment using remote sensing technology, this paper focuses on the influence of the distribution and proportion of mountain photovoltaic power stations on the spatial pattern of the thermal environment in the region. Through experimental verification and result analysis, it can be seen that under the geographical location and time conditions of the study area, the proportion of photovoltaic power stations shows a strong correlation with the average surface temperature, which is one of the main factors causing the temperature rise in mountainous areas. It is a land cover type with heat island effects in the traditional sense.