About Distribution map of solar power plants in China
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6 FAQs about [Distribution map of solar power plants in China]
How many photovoltaic power plants are there in China?
15 photovoltaic (PV) power plants. However, a comprehensive map regarding the PV power plants' locations and extent remain scarce on the country scale. This study developed a workflow combining machine learning and visual interpretation methods with big satellite data to map PV power plants across China.
How many solar panels are there in China?
In the previous study, Dunnett et al. (2020) provided a harmonized solar plants dataset obtained from an open-access map containing PV power plants in China. The total area of PV power plants in China from Dunnett's dataset is 897.4 km2, of which 842 km2 have spatially intersected with our dataset. The no intersected solar panels area is 55.4 km2.
Where are PV power plants located in China?
Eventually, we established a map of PV power plants in China by 2020, covering a total area of 2917 km2. We found that most PV power plants were situated on cropland, followed by barren land and grassland, based on the derived national PV map. In addition, the installation of PV power plants has generally decreased the vegetation cover.
Does China have a spatial map of PV power stations?
Although some researchers released several PV power station maps, most only met a medium resolution of 30 meters 9, 10. There thus still lacks a national map of China’s PV power stations with a higher spatial resolution (i.e., 10 meters) that could provide a global understanding of PV’s spatial deployment patterns.
Can machine learning map PV power plants across China?
This study developed a workflow, combining machine learning and visual interpretation methods with big satellite data, to map PV power plants across China. We applied a pixel-based random forest (RF) model to classify the PV power plants from composite images in 2020 with a 30 m spatial resolution on the Google Earth Engine (GEE).
How big is China's ground-mounted solar power station?
The tool shows China ground mounted solar facilities occupied a surface of 2,467.7 km2 at the end of December 2020. Scientists led by the China Agricultural University have created a national-scale map and dataset of ground-mounted PV power stations in China.