Development of simple semi-distributed approaches for modelling complex rainfall–runoff process

IF 2.8 3区环境科学与生态学 Q2 WATER RESOURCES

Hydrological Sciences Journal-Journal Des Sciences Hydrologiques Pub Date : 2023-03-30 DOI:10.1080/02626667.2023.2197117

Vikas Kumar Vidyarthi, Ashu Jain

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Abstract

ABSTRACT The semi-distributed approaches proposed in the past for simulating rainfall–runoff (RR) still require extensive hydro-meteorological data for their complex calibration process. Therefore, research efforts are needed to develop novel and innovative semi-distributed RR models that require a minimum amount of data and effort. In this study, four semi-distributed RR models are proposed using a simple lumped model in a distributed sense by gradually enforcing spatial distribution in terms of hydro-meteorological and physiographical features in a basin. Only rainfall, runoff, and temperature data from three contrasting basins were employed in developing the proposed models. The results show that semi-distributed models performed better than the lumped model, and the accuracy increased with gradual enforcement of the spatial variations in various data. Further, the results suggest that incorporation of the basin’s physiographic features is the most important aspect in developing efficient semi-distributed RR models followed by hydrological and climatic information in a basin.

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开发用于模拟复杂降雨径流过程的简单半分布式方法

过去提出的模拟降雨径流(RR)的半分布式方法由于其复杂的校准过程，仍然需要大量的水文气象数据。因此，研究工作需要开发新颖和创新的半分布式RR模型，这些模型需要最少的数据和努力。本文采用简单的集总模型，通过逐步强化流域水文气象和地理特征的空间分布，提出了四种半分布RR模型。仅使用来自三个对比流域的降雨、径流和温度数据来开发所提出的模型。结果表明，半分布模型的精度优于集总模型，并且随着各数据空间变化的逐渐强化，精度逐渐提高。此外，研究结果表明，结合流域的地理特征是开发高效的半分布式RR模型的最重要方面，其次是流域的水文和气候信息。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Hydrological Sciences Journal-Journal Des Sciences Hydrologiques 环境科学-水资源

CiteScore

6.60

自引率

11.40%

发文量

144

审稿时长

9.8 months

期刊介绍： Hydrological Sciences Journal is an international journal focused on hydrology and the relationship of water to atmospheric processes and climate. Hydrological Sciences Journal is the official journal of the International Association of Hydrological Sciences (IAHS). Hydrological Sciences Journal aims to provide a forum for original papers and for the exchange of information and views on significant developments in hydrology worldwide on subjects including: Hydrological cycle and processes Surface water Groundwater Water resource systems and management Geographical factors Earth and atmospheric processes Hydrological extremes and their impact Hydrological Sciences Journal offers a variety of formats for paper submission, including original articles, scientific notes, discussions, and rapid communications.