Environmental Flow Estimation Using Hydrological and Hydraulic Methods for the Quindío River Basin: WEAP as a Support Tool

Sandoval, Gabriel Lozano; Durango, Elkin Aníbal Monsalve; Reinoso, Pedro León García; Mejía, Cesar Augusto Rodríguez; Ospina, Juan Pablo Gómez; Loaiza, Héctor Javier Triviño

doi:10.17981/ingecuc/11.2.2015.04

Inge cuc

2015

DOI: 10.17981/ingecuc/11.2.2015.04

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Environmental Flow Estimation Using Hydrological and Hydraulic Methods for the Quindío River Basin: WEAP as a Support Tool

Gabriel Lozano Sandoval¹,

Elkin Aníbal Monsalve Durango²,

Pedro León García Reinoso³

et al.

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“…Requires the adoption of an index method for calculations. [10,15] Scholars have diligently endeavored to augment the efficacy of simulating hydrological processes [16]. The adoption of distributed models for simulating rainfall-runoff phenomena has grown progressively intricate, necessitating a plethora of computations.…”

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confidence: 99%

Explicit Scheme for a Hydrological Channel Routing: Mathematical Model and Practical Application

Arrieta-Pastrana,

Coronado-Hernández,

Coronado-Hernández

2024

Water

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The computation of hydrographs in large watersheds necessitates utilizing channel routing, which calculates the movement of hydrographs along channel branches. Routing methods rely on an implicit scheme to facilitate numerical resolution, which requires more computational time than the explicit scheme. This study presents an explicit scheme channel routing model that offers a versatile approach to open channel flow analysis. The model is based on mass conservation principles and Manning equations, and it can accommodate varying bed slopes, making it highly adaptable to diverse hydraulic scenarios. In addition, the proposed model considers backwater effects, which enhances its applicability in practical scenarios. The model was tested in a practical application on a rectangular channel with a width of 7 m, and the results showed that it can accurately predict outflow hydrographs and handle different flow conditions. Comparative analyses with existing models revealed that the proposed model’s performance in generating water flow oscillations was competitive. Moreover, sensitivity analyses were performed, which showed that the model is highly responsive to parameter variations, such as Manning’s coefficient, bed slope, and channel width. The comparison of peak flows and peak times between the proposed model and existing methods further emphasized the model’s reliability and efficiency in simulating channel routing processes. This research introduces a valuable addition to the field of hydrology by proposing a practical and effective channel routing model that integrates essential hydraulic principles and parameters. The results of the proposed model (lumped routing) are comparable with the solution provided by the Muskingum–Cunge method (distributed routing). It is of utmost importance to note that the proposed model applies to channel branches with bed slopes below 6°.

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confidence: 99%

Explicit Scheme for a Hydrological Channel Routing: Mathematical Model and Practical Application

Arrieta-Pastrana,

Coronado-Hernández,

Coronado-Hernández

2024

Water

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Environmental Flows Allocation for a Tropical Reservoir System by Integration of Water Quantity (SWAT) and Quality (GEFC, QUAL2K) Models

Kumar

Priya

Rehana

et al. 2022

Water Resour Manage

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Environmental Flow Estimation Using Hydrological and Hydraulic Methods for the Quindío River Basin: WEAP as a Support Tool

Cited by 2 publications

References 0 publications

Explicit Scheme for a Hydrological Channel Routing: Mathematical Model and Practical Application

Explicit Scheme for a Hydrological Channel Routing: Mathematical Model and Practical Application

Environmental Flows Allocation for a Tropical Reservoir System by Integration of Water Quantity (SWAT) and Quality (GEFC, QUAL2K) Models

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