Study on distribution of thermal discharge in Fuqing nuclear power plant based on Landsat8 and UAV
DONG Shuangfa1,2(), FAN Xiao3, SHI Haigang1,2(), XU Liping3, ZHANG Xinyi1,2
1. Airborne Survey and Remote Sensing Center of Nuclear Industry, Shijiazhuang 050002, China 2. Hebei Key Laboratory of Airborne Detection and Remote Sensing Technology, Shijiazhuang 050002, China 3. Fujian Fuqing Nuclear Power Co., Ltd., Fuzhou 350318, China
Based on the thermal infrared data from the Landsat8 satellite and a UAV, this study obtained the spatial distribution of the temperature of the sea area near the Fuqing Nuclear Power Plant through inversion. Then, this study verified the reliability of the inversion results using the measured temperature data and investigated the distribution and variation characteristics of the temperature field in the sea area near the power plant. The results are as follows. The inversion results of the temperature are strongly correlated with the measured offshore temperature data and thereby are reliable. Before the nuclear power plant was put into operation, the temperature of the sea area near the nuclear power plant was relatively uniform, without significant temperature differentiation or temperature rise. By contrast, after the nuclear power plant was put into operation, significant temperature differentiation occurred in the surrounding sea area because of the thermal discharge. Moreover, the spatial distribution of thermal discharge and its scale varied greatly under different tides and seasons. Generally, the temperature rise range was wider under ebb tides than under flood tides and was wider in summer than in winter.
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DONG Shuangfa, FAN Xiao, SHI Haigang, XU Liping, ZHANG Xinyi. Study on distribution of thermal discharge in Fuqing nuclear power plant based on Landsat8 and UAV. Remote Sensing for Natural Resources, 2022, 34(3): 112-120.
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2022, Vol. 34 
), 范晓3, 石海岗1,2(
