STUDY ON REGIONAL DIFFERENCES OF IMPACT OF PHOTOVOLTAIC POWER STATIONS ON SURROUNDING ATMOSPHERE AND SOIL

Zhong Yuzhen; Tao Junyu; Zhang Jia; Ge Yadong; Li Zaixin; Wang Yibo

doi:10.19912/j.0254-0096.tynxb.2025-0602

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (4) : 750-759. DOI: 10.19912/j.0254-0096.tynxb.2025-0602

STUDY ON REGIONAL DIFFERENCES OF IMPACT OF PHOTOVOLTAIC POWER STATIONS ON SURROUNDING ATMOSPHERE AND SOIL

Zhong Yuzhen¹, Tao Junyu¹, Zhang Jia^2,3, Ge Yadong³, Li Zaixin³, Wang Yibo²

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Abstract

Carries out long-term monitoring of atmospheric and soil parameters around five Chinese photovoltaic power stations with distinct climate characteristics. Based on the monitoring data, a machine-learning model incorporating geographical location is developed to predict the environmental impact of photovoltaic power station construction in different Chinese regions on the surrounding air and soil.Results show that photovoltaic panel installation alters the original underlying surface conditions, disturbs the surface radiation balance, and induces seasonal changes in atmospheric and soil environments. Overall, photovoltaic power station construction increases atmospheric temperature, decreases soil temperature, and boosts soil moisture and conductivity. Specifically, atmospheric temperature sees the most significant rise in autumn （around 0.31 ℃）; atmospheric humidity drops markedly in spring, summer, and autumn （up to 1.63%）; soil temperature decreases considerably in spring, summer, and winter （around 3.22 ℃）; soil moisture slightly falls in spring, autumn, and winter （up to 1.48%） but rises by about 7.7% in summer; and soil conductivity increases yearly, albeit slightly.Regionally, high-altitude southwestern China exhibits substantial temperature increases, exemplified by Qinghai Province （about 2.13 ℃ in winter） and the Tibet Autonomous Region （1.89 ℃ in autumn）. Most regions see significant spring and summer atmospheric humidity increases, except for the Xinjiang Uygur Autonomous Region. Southern China's soil temperature shows a year-round cooling effect, as seen in Zhejiang, Hainan, Guangdong, and the Guangxi Zhuang Autonomous Region, while other regions experience winter warming and seasonal temperature decreases.

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Photovoltaic power station / environmental impact / atmospheric temperature and humidity / soil temperature and moisture / environmental monitoring and evaluation / machine learning

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Zhong Yuzhen, Tao Junyu, Zhang Jia, Ge Yadong, Li Zaixin, Wang Yibo. STUDY ON REGIONAL DIFFERENCES OF IMPACT OF PHOTOVOLTAIC POWER STATIONS ON SURROUNDING ATMOSPHERE AND SOIL[J]. Acta Energiae Solaris Sinica. 2026, 47(4): 750-759 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0602

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