Xinjiang features an uneven temporal and spatial distribution of water resources. The scientific regulation of irrigation water is directly tied to agricultural production and regional water security, with hydrological measurement data serving as the core prerequisite for efficient water regulation. At measurement sections of hydrological stations and dry canal patrol survey sites across numerous locations in Xinjiang, the intelligent hydrological measurement solution adopting Huace Navigation’s Huawei No.4 Lite unmanned vessel equipped with the RS3600D multi-frequency ADCP has transformed conventional operation modes through robust field measurement results and delivered solid support for irrigation management.
Previously, hydrological measurements for irrigation purposes in Xinjiang were long plagued by cumbersome preparatory work and heavy reliance on multi-person teamwork. Particularly in special zones such as shallow nearshore waters and deep-water areas without cableways, balancing measurement efficiency and data accuracy had proven challenging. The rollout of Huace Navigation’s intelligent solution has reversed this predicament. Field test outcomes show that during a single measurement run at hydrological station sections, the system recorded an average discharge of 46.376m³/s with an internal consistency precision of 1.5%, which closely matches historical measurement data and sustains consistent and credible data records. For patrol measurements along dry canal sections, the internal consistency precision of discharge readings from a single run hits 0.5%. The equipment can complete measurement missions smoothly even in deep-water regions lacking cableways, resolving longstanding bottlenecks associated with deep-water hydrological surveys.

Behind these achievements lies the targeted design of the full set of equipment. Equipped with an ultra-high carrier frequency of 3600kHz, the RS3600D ADCP can steadily collect data even in extremely shallow near-shore waters with a depth of less than 30 centimeters, fully generating depth and flow velocity profiles of shallow-water areas and filling the gap left by conventional equipment for hydrological measurement in shallow waters. Meanwhile, the HW-4 Lite unmanned boat features remarkable lightweight design: it is merely 1 meter long and weighs 5 kilograms. Paired with the 2-kilogram RS3600D ADCP, the entire equipment set can be assembled and deployed by a single person within two minutes. After storage, it fits easily into the trunk of a sedan, enabling independent single-person operation and eliminating the previous need for multiple crew members to conduct measurements together.
During field operations, this solution is highly tailored to the operational habits of hydrological practitioners. While measuring, the unmanned boat sails straight at a low speed along pre-plotted routes, with real-time ADCP flow measurement data transmitted back to the remote control terminal for operators to monitor progress at any time. Upon reaching designated waypoints, the vessel automatically hovers in place to guarantee stable data acquisition. Once measurements wrap up, on-site data playback, parameter configuration and result export are available without extra bulky post-processing equipment, cutting down overall working cycles. The unmanned boat flexibly adapts to diverse working scenarios ranging from open measuring sections at hydrological stations to regular dry canal flow monitoring sites, delivering efficient flow measurement results.
In arid Xinjiang where rainfall is scarce, efficient utilization of every drop of water is of vital importance. The intelligent hydrological measurement solution from CHC Navigation improves measurement efficiency and data accuracy while ensuring operational safety, supplying solid data support for irrigation water allocation and regulation.