A prediction model of shallow groundwater pollution based on deep convolution neural network Online publication date: Tue, 03-Aug-2021
by Zhongfeng Jiang; Hongbin Gao; Li Wu; Yanan Li; Bifeng Cui
International Journal of Environmental Technology and Management (IJETM), Vol. 24, No. 3/4, 2021
Abstract: In order to solve the problems that the shallow groundwater pollution is affected by water quality in the prediction process, resulting in the low prediction index and water quality index of shallow groundwater pollution, a prediction model of shallow groundwater pollution based on deep convolution neural network is proposed. The index system of shallow groundwater pollution is constructed, and contents of dissolved oxygen, oxygen demand, ammonia nitrogen and pH in shallow groundwater are determined. With the help of gradient descent method and Guss-Newton method, the weight of index content is modified; the modified content value of pollution index is entered into the depth convolution neural network for optimisation, and the optimised value is obtained to complete the shallow groundwater pollution prediction model. The experimental results show that the maximum prediction index of shallow groundwater pollution is about 0.99, and the maximum value of water quality index is close to 1.
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