改进的饱和带非饱和带运移模型（SUTRA）
Modified Saturated-Unsaturated Transport Model
本文对饱和带非饱和带运移模型(Saturated-Unsaturated Transport,简称 SUTRA)进行简要地介绍，针对该模型对源汇项只能固定值，不能随时间变化，因而不能有效地利用实际观测资料的缺点进行了改进，使之不但能 随时间变化，而且把水流源汇项边界条件详细地分为降水量、蒸散发量和井流量三部分，并推导了相关的公式，使该模型软件更充分地利用了现有观测资料，使模型模拟更加接近实际需要，模拟结果更加真实可信。
his paper briefly introduces the Saturated-Unsaturated Transport Model（SUTRA）. To use observational data, to make the model approximate the true field conditions, and to make the results of the model be more real credibly, a modification of the SUTRA model is discussed. In this modification, the fluid sources and sinks are divided into three parts: precipitation, evaportransportation and well yield, and also can be function with time, and the related formulas are derived.
薛显武
水利工程基础科学环境科学理论
海水入侵，溶质运移，饱和带非饱和带运移模型，数值模拟
sea intrusion solute transportation SUTRA numerical modeling
薛显武.改进的饱和带非饱和带运移模型（SUTRA）[EB/OL].(2006-10-01)[2025-08-16].http://www.paper.edu.cn/releasepaper/content/200610-6.点此复制
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