Development of water quality monitoring system for East Asian lakes and rivers using remote sensing technique

对柬埔寨中国的滇池和柬埔寨的洞里萨湖的多个点进行了季节性的反射光谱测量，并测定了水样中浮游植物、藻类和溶解有机物的光吸收和散射特性。在此基础上，开发了基于反射光谱的三组分浓度估算系统。将该系统应用于卫星图像(如MODIS、MERIS)，预测的这些组分的浓度与分析结果吻合较好。

Reflectance spectra were measured at several points in Lake Dianchi in China and Lake Tonle Sap in Cambodia seasonally and light absorption and scattering properties were determined for each of phytoplankton, tripton and dissolved organic matter components in the sampled waters. Then, the system for estimating the concentrations of those three components was developed based on the reflectance spectra. Applying this system for the satellite images (e.g.MODIS, MERIS), the predicted concentrations of those components were in fair agreement with the analyzed ones.