基于MODIS影像的鄱阳湖营养状况研究

Study on Nutrition Status of Poyang Lake by MODIS Images

论文采用MODIS影像,对影像进行处理,获取地表水质反射率,结合同步获取的水质采样数据、光谱测量数据进行鄱阳湖水质参数的光谱特征分析。利用卡尔森营养状态指数和修正的营养状态指数公式,获取了基于遥感技术的TSI指数计算模型,并应用模型生成了鄱阳湖丰水期的TSI指数分布图。

In the thesis,we used MODIS images to work out the reflectivity of water quality in Poyang Lake.Combined with the water quality data of sample synchronization and spectrum survey,we analysized the spectrum characteristic of water quality in Poyang Lake.Based on the formula of Carlsno Trophic state index and amendatory index,we obtained the TSI model in Poyang Lake.We also worked out the distributon map of TSI index during the flooded period.