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The prediction of urban wastewater discharge and influence factors analysis plays an important role in protection and development of urban water resources. In this paper, a prediction model of urban wastewater discharge was set up based on stochastic gradient boosting, and applied to wastewater discharge of Tianjin. In comparison with support vector machine method and multivariate adaptive regression...
Coastal area was defined as the conjunction of land and sea and it had very important ecological, economic and social value. Because the economy developed fast and demand of resource increased heavily, there were serious pressures on the ecological economic system of coastal area, such as large amount land-sourced pollutant and unreasonable fishing. The gross output value of fishery at Tianjin, which...
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