Monitoring and evaluation of environment effect of photovoltaic power station construction using MODIS satellite data

doi:10.13474/j.cnki.11-2246.2023.0241

Abstract

Abstract: This paper selects Gonghe Photovoltaic Industrial Park in Qinghai province, the largest photovoltaic industrial park in China as the study area, uses the MODIS medium resolution satellite data and meteorological data, and investigates the ecological and environmental effects of photovoltaic power station construction from 2010 to 2020. The M-K spatio-temporal trend analysis method was used to analyze the spatial and temporal variations of land surface biophysical parameters after the solar panels were built. Then the Granger causality test method was used to investigate the causal relationship between the changes in land surface parameters and meteorological factors. The results showed that the vegetation in the study area are increasing, while the surface temperature and albedo decreasing. Vegetation growth under photovoltaic panels is slightly better than that outside the panels. The increase of construction area is the Granger cause of the increase of vegetation in the study area. The study indicates that the establishment of photovoltaic can promote the growth of vegetation, reduce albedo and cool the surface temperature.

Key words: MODIS, photovoltaic, vegetation, spatio-temporal trend analysis, Granger causal analysis

CLC Number:

P208

WANG Yiting, WANG Xinyue, ZHAN Yinggang, ZOU Rui, YANG Lixiang. Monitoring and evaluation of environment effect of photovoltaic power station construction using MODIS satellite data[J]. Bulletin of Surveying and Mapping, 2023, 0(8): 108-112.

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