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首页> 外文会议>International Soil Conservation Organization Conference vol.3; 20020526-31; Beijing(CN) >Hydrological and Hydraulic Parameters for Bio-Engineering Bank Stabilization and Riparian Vegetated Buffer Strips Design
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Hydrological and Hydraulic Parameters for Bio-Engineering Bank Stabilization and Riparian Vegetated Buffer Strips Design

机译：用于生物工程河岸稳定和河岸​​植被缓冲带设计的水文和水力参数

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摘要

Planning bank stabilization and vegetated buffer (or filter) strips (VBS or VFS) works requires the estimation of some hydrologic and hydraulic parameters. First of all it is important to consider the relationships among water levels of the river cross section and of the groundwater in different seasons and flood or river bed. From a hydrological point of view, having at disposal historical data series of discharge measurements in a given river cross section (direct measurements or re-constructed) it is possible to determine a "duration " curve of the daily discharges (discharge values which are exceeded for a given duration in days as a function of the duration) and an "increasing" curve of the maximum annual discharge (maximum annual peak discharge values as a function of the return time). For example it is possible to couple the two curves obtaining the non-dimensional [Q/Qm] variation with time [years] for 3 rivers in Central Italy.
机译：规划河岸稳定和植被缓冲带（或过滤器）（VBS或VFS）需要对一些水文和水力参数进行估算。首先，重要的是要考虑河流横断面的水位和不同季节与洪水或河床的地下水之间的关系。从水文学的角度来看，可以利用给定河流横截面的历史数据序列进行排放测量（直接测量或重新构造），可以确定每日排放量（超过排放量值）的“持续时间”曲线对于给定的持续时间，以天为单位，作为持续时间的函数）和最大年排放量的“递增”曲线（最大年峰值排放量作为返回时间的函数）。例如，可以对两条曲线进行耦合，以获得意大利中部3条河流随时间[年]的无量纲[Q / Qm]变化。

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