Lake risk prevention and control method based on water exchange and ecological restoration

The invention discloses a lake risk prevention and control method based on water exchange and ecological restoration, and the method comprises the steps: evaluating the water quality risk according to the historical water quality data of a target lake, and increasing the water exchange capacity of the target lake when the water quality risk exists, so as to carry out the water quality risk prevention and control; the ecological risk of the target lake is evaluated, and when the target lake has a certain degree of ecological risk, wetland ecological restoration engineering is carried out on the target lake; the evaluation of the ecological risk of the target lake is that the ecological risk is evaluated by utilizing the area loss of the habitat of the shoal wetland after the superposition of the water exchange working condition. According to the method, water quality risk prevention and control and ecological risk prevention and control serve as targets at the same time, the water quality risk and ecological r