The partial least square regressive method (PLS) is applied to build the model estimating the annual load of NSP, whose results are compared with the ones of least square method.

• 将偏最小二乘回归模型应用于流域非点源污染年负荷量预测,并与基于最小二乘的多元线性回归模型预测结果进行了对比。