<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Discharge measurement is the base of proper water management. The effective design and operation of hydraulic structures under both normal and extreme flow conditions depend on the quality of hydrological data. Understanding the water system requires consistent and long-term measurement. Despite that, the gauging station network is sparse, and its numbers are declining worldwide. This article aims to draw attention to the possibility of accurate flow measurement using existing hydraulic structures. Flow over a hydraulic structure profile is a physically well-defined phenomenon as the construction shape is fixed and simple compared to river profiles. The discharge can be derived from rating curves, turbine characteristics, and several easily measured variables. That allows continuous discharge measurement. The accuracy is compared with the gauging station on the river. Suitable technical solutions for ensuring and monitoring ecological flow are discussed.</p>
</abstract>

Discharge measurement is the base of proper water management. The effective design and operation of hydraulic structures under both normal and extreme flow conditions depend on the quality of hydrological data. Understanding the water system requires consistent and long-term measurement. Despite that, the gauging station network is sparse, and its numbers are declining worldwide. This article aims to draw attention to the possibility of accurate flow measurement using existing hydraulic structures. Flow over a hydraulic structure profile is a physically well-defined phenomenon as the construction shape is fixed and simple compared to river profiles. The discharge can be derived from rating curves, turbine characteristics, and several easily measured variables. That allows continuous discharge measurement. The accuracy is compared with the gauging station on the river. Suitable technical solutions for ensuring and monitoring ecological flow are discussed.

Hydraulic Structures as Flow Measuring Devices

Department of Hydraulic Structures, Faculty of Civil Engineering

Environmental and Climate Technologies

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"Hydraulic Structures as Flow Measuring Devices"}

Discharge measurement is the base of proper water management. The effective design and operation of hydraulic structures under both normal and extreme flow...

Hydraulic Structures as Flow Measuring Devices

Publié en ligne: 14 janv. 2023

Pages: 16 - 27

Reçu: 26 avr. 2022

Accepté: 31 oct. 2022

DOI: https://doi.org/10.2478/rtuect-2023-0002

Mots clés
Capacity, differential pressure method, discharge measurement, ecological flow monitoring, rating curve

© 2023 Eva Bilkova et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Hydraulic Structures as Flow Measuring Devices

Publié en ligne: 14 janv. 2023

Pages: 16 - 27

Reçu: 26 avr. 2022

Accepté: 31 oct. 2022

DOI: https://doi.org/10.2478/rtuect-2023-0002

Mots clésCapacity, differential pressure method, discharge measurement, ecological flow monitoring, rating curve

© 2023 Eva Bilkova et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Mots clés
Capacity, differential pressure method, discharge measurement, ecological flow monitoring, rating curve