Precision Empowerment for Hydrological Measurement and Reporting | The Aotai Acoustic Tomography Cross‑Sectional Flow Meter Successfully Deployed in a Guangdong Hydrological Project
2026-07-20
This week, a key hydrological monitoring station in Guangdong successfully completed the on-site installation and commissioning of an acoustic tomography cross‑sectional flowmeter. The equipment has now been officially put into routine operation for hydrological flow monitoring, further enhancing the region’s precision flow‑measurement and reporting system and providing robust technical support for local water‑resource management, flood‑control dispatch, and hydrological data compilation.
Traditional methods of river‑channel flow monitoring are susceptible to factors such as complex channel cross‑sections, uneven flow patterns, and frequent water‑level fluctuations. These limitations result in a restricted measurement range, significant data biases at low to moderate flow velocities, and low efficiency in manual flow measurements, making it difficult to meet the demands of modern, high‑resolution hydrological monitoring. The newly commissioned acoustic tomography cross‑sectional flow meter leverages advanced acoustic tomography technology: by deploying acoustic measurement stations along both banks of the river, it establishes a multi‑path acoustic monitoring network. Combined with intelligent inversion algorithms, this system can comprehensively reconstruct the full‑cross‑sectional velocity field and flow distribution, enabling precise real‑time calculation of flow rates.
This device boasts exceptional adaptability, effortlessly handling challenging conditions such as riverbed sediment, floating debris, and fluctuating water levels. It provides an ideal solution to flow‑measurement challenges in wide‑section, complex‑flow‑pattern rivers, particularly well suited to the hydrological characteristics of Guangdong’s waterways. Featuring a non‑contact monitoring approach with no obstructive components in the channel, it is resistant to siltation and clogging. With advantages including round‑the‑clock continuous monitoring, stable data output, and minimal maintenance requirements, coupled with a reliable data‑transmission system, it enables real‑time data upload, automatic storage, and remote management.
The successful deployment of this equipment has effectively addressed the longstanding challenge of accurate flow measurement under the site’s complex hydrological conditions, significantly enhancing the automation and precision of river‑channel discharge monitoring. Moving forward, it will continue to deliver high‑quality hydrological data in a stable and reliable manner, supporting Guangdong’s hydrological authorities in accurately assessing changes in water conditions, conducting scientific water‑resource allocation, and implementing flood‑control measures during the rainy season, thereby fully advancing the quality and upgrading of the region’s smart hydrological monitoring system.
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