流域系统水文动态过程的辨识和仿真  

The Identification and Simulation of River Hydrological Dynamic Process of Basin System: Forestry Hydrological Effect Evaluation

作　　者：欧松[1] 

机构地区：[1]深圳职业技术学院机电系,广东深圳518055

出　　处：《系统工程理论与实践》2003年第10期127-134,共8页Systems Engineering-Theory & Practice

基　　金：国家自然科学基金(39570573)

摘　　要：基于闭合流域系统水量输入输出平衡原理,推导出流域系统水文动态过程理想状态的原理模型.研究对象选择人为作用在近40年相对变化不大,而森林状态变化较大的流域,收集流域内连续30多年的水文气象观测资料,以5年为一组数据,对流域系统不同时期的水文动态过程作了辨识和仿真,比较不同时期水文动态过程特征与森林状态,给出了森林水文作用的评估.Based on the principle of balance of water input and output of closed basin system, the mechanism model of river hydrological dynamic process in ideal state is given. Within basin the net rainfall input process transferres to the output process of the system in the form of stream flow and water level and through space. The geosphere, ecosphere and human being effect are the factor that affect the river hydrological dynamic process behave. Select the basin system as study object according to human being effect change very little nearly recent 40 years and the forestry state as the greatest ecosphere in land are marked different. Collecting the hydrological and meteorological observation data for nearly 40 successive years recently of the study basin, and Separating the observation data in series samples which are in successive 5 years as one sample as system identification input and output data, then identify the hydrologic dynamic process models of different period. Comparing the differences of river hydrological dynamic process behave in different period and refer to forestry states, the evaluation results of forestry hydrological effect have been given.

关 键 词：森林水文作用 系统辨识 流域水文模型 

分 类 号：S71[农业科学—林学] O24[理学—计算数学]