基于Landsat 8的滨海电厂温排水分布研究

基于Landsat 8卫星TIRS10波段进行滨海电厂排水口附近海域的水温反演发现，南埔电厂排水口区域水温与参照区域水温相比，在夏季与冬季均有不同幅度的升高，其中夏季升温幅度小而范围较大，冬季升温幅度大而范围较小；电厂冷却水经排水口排出后，涨潮时向西北侧扩散可至外乌屿以北，落潮时向东南侧运移，受煤码头及导流堤影响，电厂温排水扩散对取水口的影响较小，该遥感反演结果与项目施工前开展的数值模拟结果基本一致。

Distribution of the thermal discharge pollution of coastal power plant based on Landsat 8

The sea surface temperature has been retrieved from Landsat 8 TIRS 10, which shows that the water temperature nearby the discharge area of Nanpu power plant are increased in summer and winter compared with that in the reference area. The scope of water temperature rise is larger and the degree is smaller in summer, while the scope of water temperature rise is smaller and the degree is larger in winter. The thermal discharge pollution from the power plant goes northwest to Waiwu island at rising tide, and moves to southeast at ebb tide. Due to the coal wharf and diversion dike, thermal discharge has little effect on intake. The retrieving results based on satellite images are consistent with the numerical simulation results before project construction.