This study analyzes the dynamic variation and patterns of Soil Moisture (SM) content in Gonghe photovoltaic (PV) industrial park in Qinghai Province based on the measured data and discusses the impact of PV development on SM content and its effects. The results show that the PV panel has a humidification effect on the soil. The annual average SM content in the 10 cm layer under the fixed trackers (FIX) PV panel increases by 14.34%, and the SM under the Oblique Single-Axis (OSA) PV panel increases by 10.26%. The humidification effect of the fixed axis PV panel is greater than that of the inclined uniaxial PV panel. Different shading of PV panels will lead to significant spatial variation of SM, and the SM under and between PV panels is significantly different in vegetation growing season.
KEYWORDS: Photovoltaics, Solar cells, Analytical research, Vegetation, Surface roughness, Climatology, Wind energy, Statistical analysis, Solar radiation, Solar energy
Research on the climate microenvironment of desert photovoltaic power stations will provide data support for improving the ecological benefits of photovoltaic power stations in desert areas. This study analyzes the temporal variation of the wind field in Qinghai Gonghe photovoltaic industrial park and discusses the impact of photovoltaic development on the wind field and the ecological effects based on the measured data. Our research results show that the wind direction inside and outside the photovoltaic field is relatively dispersed in spring and autumn in terms of seasonal variation. In summer, the wind direction in the photovoltaic field is particularly dispersed, while in winter, the variation of wind direction is that the outside of the photovoltaic field is simpler than the inside. The composition of the main wind direction and the frequency of sand blowing wind are the main factors that lead to the seasonal heterogeneity of the wind field.
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