scholarly journals An Improved Coupled Routing and Excess Storage (CREST) Distributed Hydrological Model and Its Verification in Ganjiang River Basin, China

Water ◽  
2017 ◽  
Vol 9 (11) ◽  
pp. 904 ◽  
Author(s):  
Guangyuan Kan ◽  
Guoqiang Tang ◽  
Yuan Yang ◽  
Yang Hong ◽  
Jiren Li ◽  
...  
Keyword(s):  
River Basin ◽  
Hydrological Model ◽  
Distributed Hydrological Model ◽  
Ganjiang River Basin

scholarly journals Study on the Applicability of the Hargreaves Potential Evapotranspiration Estimation Method in CREST Distributed Hydrological Model (Version 3.0) Applications

Water ◽  
2018 ◽  
Vol 10 (12) ◽  
pp. 1882 ◽  
Author(s):  
Zhansheng Li ◽  
Yuan Yang ◽  
Guangyuan Kan ◽  
Yang Hong
Keyword(s):  
River Basin ◽  
Hydrological Model ◽  
Potential Evapotranspiration ◽  
Estimation Method ◽  
Estimation Methods ◽  
Distributed Hydrological Model ◽  
Model Driven ◽  
Model Version ◽  
Streamflow Simulation ◽  
Ganjiang River Basin

The potential evapotranspiration (PET) is an important input to the hydrological model and its compatibility has an important influence on the model applications. The applicability of the Hargreaves-Samani (HS) PET estimation method in Coupled Routing and Excess STorage distributed hydrological model version 3.0 (CREST 3.0 model) was studied in a typical humid region, Ganjiang River Basin, in Southern China. The PET estimation methods were evaluated based on the streamflow simulation accuracies using the CREST 3.0 model driven by different PET products with various spatial resolutions. The Penman-Monteith (PM) equation-based PET estimation method was adopted as the reference PET estimation method in this study. The results demonstrated that PET obtained from the HS method was larger than that generated by the PM method, and the CREST 3.0 model driven by both HS and PM-based PET products can simulate the streamflow temporal variations equally well in annual time scale. Compared with the PM method, the HS method was more stable and robust in driving CREST 3.0 model under the scenarios of different spatial resolutions. In addition, during the validation period (2007–2009) with 2003–2006 as the calibration period, the HS outperformed PM considering the streamflow simulation accuracy. Therefore, the HS method was not only applicable to CREST 3.0 model with flexible spatial resolutions, but also can be an alternative method to PM method in CREST 3.0 model streamflow simulation applications in Ganjiang River Basin. The study results will not only increase the confidence on the applicability of the HS method in hydrological simulation in Ganjiang River Basin, but also prove the flexibility of CREST 3.0 model in terms of PET input, which will expand the application range of the CREST 3.0 model.

scholarly journals Long Term Runoff Analysis of the Lena River Basin using a Distributed Hydrological Model

2009 ◽  
Vol 22 (3) ◽  
pp. 177-187 ◽  
Author(s):  
Shigemi HATTA ◽  
Hiroshi HAYAKAWA ◽  
Hotaek PARK ◽  
Takeshi YAMAZAKI ◽  
Kazukiyo YAMAMOTO ◽  
...  
Keyword(s):  
River Basin ◽  
Hydrological Model ◽  
Distributed Hydrological Model ◽  
Lena River ◽  
Runoff Analysis
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