Translated Titles

Dynamic Analysis of Hydrology Factors Based on Least-Squares Technique


林彥廷(Yan-Ting Lin);韓仁毓(Jen-Yu Han)

Key Words

水文轉換模型 ; 最小二乘法 ; 雨量 ; 流量 ; 徐昇多邊形法 ; Discharge ; Hydrological Transformation Model ; Least-squares Technique ; Thiessen Polygons Method



Volume or Term/Year and Month of Publication

3卷1期(2015 / 01 / 01)

Page #

39 - 52

Content Language


Chinese Abstract


English Abstract

After torrential rains and typhoons, flood flooding, landslides and other disasters have frequently damaged the montane basin in Taiwan. Moreover, those disasters usually damaged hydrological stations. As a result, one cannot obtain sufficient observations to support predication, flood simulation analysis or hydraulic structure design. Therefore, how to effectively establish the conversion relationship model by steady hydrological observation information is an essential requirement in data addendums and hydrological monitoring. Particularly, rainfall data is not only regular observation, it also directly reflects the amount of precipitation in a catchment providing are liable observational source for model development mode. In this study, the precipitation observations from multiple rainfall stations were collected and the total amount of precipitation was estimated based on the Thiessen polygons method. Next, a hydrological model describing the relation between the precipitation and discharge was established and associated factors were then estimated by the least-squares approach. The test results revealed that the conversion of water flow model not only provides the relevant hydrological parameters by the least-squares approach the flow observation information can also be corrected accordingly. In other words, the proposed approach together with the rainfall information can facilitate a long-term data addendum and dynamic monitoring for the hydrological factors in a catchment.

Topic Category 人文學 > 地理及區域研究
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