The estuary is where rivers converge with the ocean, playing a critical role in regulating marine ecosystems and global climate change. Observational data of carbon and nitrogen fluxes in this region are essential for research on the land-sea carbon cycle, marine carbon sinks, as well as carbon reduction, nitrogen mitigation, and pollution control.
In June 2025, the Minjiang Estuary Carbon and Nitrogen Flux Intelligent Monitoring System, independently developed by the Marine Monitoring and Information Service Center of Xiamen University, was put into trial operation in Fuzhou. As China's first unmanned and autonomous real-time monitoring system for estuarine carbon and nitrogen fluxes, it integrates acoustic tomography technology with intelligent modeling algorithms. This breakthrough tackles the challenges of high-frequency, high-precision monitoring in complex estuarine environments, providing robust technological support and a practical example for land-sea integrated management, emission reduction, carbon sink enhancement, and climate change mitigation. Looking ahead, this system can be widely promoted across rivers, estuaries, and bays in China and globally. It will facilitate the accurate accounting of marine carbon sinks and total nitrogen pollution control, providing critical data for the formulation of regional ecological compensation policies.
TIME：2026-06-05 18:04
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