The impact of photovoltaic plants on dryland vegetation phenology revealed by time-series remote sensing images
文献类型： 外文期刊
作者： Xia, Zilong 1 ; Li, Yingjie 3 ; Guo, Shanchuan 1 ; Bao, Encai 4 ; Yuan, Bo 1 ; Chen, Ruishan 5 ; Tang, Pengfei 6 ; Yang, Chenghan 1 ; Du, Peijun 1 ;
作者机构： 1.Nanjing Univ, Jiangsu Prov Key Lab Geog Informat Sci & Technol, Key Lab Land Satellite Remote Sensing Applicat, Sch Geog & Ocean Sci,Minist Nat Resources, Nanjing 210023, Jiangsu, Peoples R China
2.Jiangsu Ctr Collaborat Innovat Geog Informat Resou, Nanjing 210023, Jiangsu, Peoples R China
3.Stanford Univ, Woods Inst Environm, Nat Capital Project, Stanford, CA 94305 USA
4.Jiangsu Acad Agr Sci, Inst Agr Facil & Equipment, Key Lab Protected Agr Engn Middle & Lower Reaches, Minist Agr & Rural Affairs, Nanjing 210014, Peoples R China
5.Shanghai Jiao Tong Univ, Sch Design, Shanghai 200241, Peoples R China
6.Seoul Natl Univ, Res Inst Agr & Life Sci, Seoul, South Korea
关键词： Photovoltaic plant; Dryland; Remote sensing; Phenology; Random forest
期刊名称：AGRICULTURAL AND FOREST METEOROLOGY （ 影响因子：5.7； 五年影响因子：6.6 ）
ISSN： 0168-1923
年卷期： 2025 年 367 卷
页码：
收录情况： SCI
摘要： To limit global warming, solar energy production is expanding in drylands globally. This study investigated phenological changes caused by photovoltaic (PV) plants in China's drylands using satellite-derived metrics. The results show that the deployment of PV plants has advanced the start of the growing season (SOS) by a median of 13.7 days, while extending the length of the growing season (LOS) by a median of 16.3 days in arid and semi-arid drylands. Soil moisture was the main factor influencing phenological changes in these regions, indicating that the evaporation-reducing effect of PV panels strongly regulates phenology. In sub-humid drylands, solar radiation was the primary factor, with shading effects delaying SOS and shortening LOS. The phenology of PV plants in these regions did not show significant changes, possibly because the shading effect of the PV panels delays SOS and shortens LOS, which may counteract the effects of increased soil moisture on phenology.
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