A study on marsh wetland through their own hydrographic characteristics and water balance equation, the affecting factor on the changes of marsh wetland are analyzed in detail in the Sanjiang Plain.
通过对沼泽湿地所特有的水文特征和水量平衡方程的研究，详细地分析了三江沼泽湿地变化的影响因素。
2
From the orthogonality principle in liner mean square estimation of stochastic processes, the sea factor obtained at a project site can be estimated by that at some routine hydrographic station.