2022
DOI: 10.5194/hess-26-505-2022
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Regionalization of hydrological model parameters using gradient boosting machine

Abstract: Abstract. The regionalization of hydrological model parameters is key to hydrological predictions in ungauged basins. The commonly used multiple linear regression (MLR) method may not be applicable in complex and nonlinear relationships between model parameters and watershed properties. Moreover, most regionalization methods assume lumped parameters for each catchment without considering within-catchment heterogeneity. Here we incorporated the Penman–Monteith–Leuning (PML) equation into the Distributed Time Va… Show more

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Cited by 32 publications
(8 citation statements)
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“…Moreover, this model has a relatively parsimonious model structure and limited free parameters to describe the rainfall-runoff processes. Consequently, the DTVGM model has demonstrated successful applications in many basins in China with satisfactory results [31][32][33][34]. Therefore, this model was selected to simulate streamflow process of the GRB.…”
Section: Dtvgm Modelmentioning
confidence: 99%
“…Moreover, this model has a relatively parsimonious model structure and limited free parameters to describe the rainfall-runoff processes. Consequently, the DTVGM model has demonstrated successful applications in many basins in China with satisfactory results [31][32][33][34]. Therefore, this model was selected to simulate streamflow process of the GRB.…”
Section: Dtvgm Modelmentioning
confidence: 99%
“…It has been applied to streamflow forecasting to better capture interactions between different hydrological factors [51,52]. In streamflow forecasting, gradient boosting machines (GBMs) like the extreme gradient boosting regression model (XGBoost) [53] and LGBM [54] have grown in popularity. They focus on samples with large prediction errors and repeatedly incorporate weak models to produce a strong predictive model.…”
Section: Machine Learning Approaches For River Inflow Predictionmentioning
confidence: 99%
“…This step is the most challenging but important step in regional flood frequency analysis. Various regionalization techniques have been developed by researchers for the determination of homogeneous regions [7,[13][14][15][16][17][18][19][20][21]. Hierarchical Agglomerative Clustering has become a popular tool for regional distribution identification, and testing of outlier stations [22][23][24][25][26][27].…”
Section: Introductionmentioning
confidence: 99%