水位变化趋势 meaning in English

tendency of stage

Then the isoparametric finite - difference three - dimensional transient groundwater numerical model is presented . visual modflow , the most popular standard visualization software package approved by the hydraulic scientists and technicians on simulating the groundwater flow is used to simulate and calibrate the groundwater level and quantity of the research area . at last , the changes of the hydraulic head and the produced quantity in the future were predicted according to the tested parameter and the modified model
在水文地质概念模型的基础上，进一步建立了研究区完整的三维有限差分非稳定流数学模型，利用目前国际上最盛行，且被各国同行一致认可的三维地下水流模拟软件? ? visualmodflow对该区地下水的水位和水量进行模拟求解，最后，利用识别的参数和验证后的模型预测了今后的水位变化趋势和可开采量。