By analyzing the spectral response characteristics of duststorm and the bands from MODIS sensor,the method superposition analysis based on the boundary limit values of two bands is put forward.

• 通过分析沙尘暴的波谱特征和 MODIS 传感器通道的特点，采取基于双通道阈值的叠加分析法对沙尘暴进行提取监测。