Evaluation of the Effectiveness of Multiple Machine Learning Methods in Remote Sensing Quantitative Retrieval of Suspended Matter Concentrations: A Case Study of Nansi Lake in North China

Figure 1

Location and sampling point distribution of study area. (a) Satellite strip map, showing the location of the satellite image within the study area. (b) The location of the study area, as shown by the red mark, which is a typical shallow-grass lake area. (c) Sampling point distribution map, which shows the spatial distribution of sampling points in the study area.