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| Construction and application of stereo monitoring and evaluation system for agricultural non-point source pollution in China |
| Received:November 12, 2024 |
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| KeyWord:water environment improvement;agricultural non-point source pollution;stereo monitoring network;professional platform application;optimization and improvement |
| Author Name | Affiliation | E-mail | | WANG Xuelei | Satellite Application Center for Ecology and Environment, Ministry of Ecology and Environment, Beijing 100094, China | | | ZHANG Jianhui | Satellite Application Center for Ecology and Environment, Ministry of Ecology and Environment, Beijing 100094, China | | | DONG Mingli | Ecological Environment Monitoring Department of the Ministry of Ecology and Environment, Beijing 100006, China | | | GAO Jixi | Satellite Application Center for Ecology and Environment, Ministry of Ecology and Environment, Beijing 100094, China | gjx@nies.org |
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| Abstract: |
| Based on the agricultural non-point source（NPS）pollution monitoring and evaluation status in China and the supervision functions of the Ministry of Ecology and Environment（MEE）, with the supervision goal of continuous improvement of water ecological environment and the national strategic requirements of modern and high-quality development, a comprehensive technical system for national agricultural NPS pollution monitoring and evaluation was constructed using space-sky-ground monitoring collaborative monitoring and model simulation, a full coverage stereo monitoring and evaluation system was formed which combines "one net" with nested point and surface and “one platform” driven by remote sensing technology. Current, this system construction method had been used by MEE to carry out national agricultural NPS pollution monitoring work, since 2022, a national stereo monitoring network for agricultural NPS pollution had been initially established which combines multi-scale remote sensing monitoring of national 250-meter, provincial 30-meter, and regional 2-meter scales and ground traditional monitoring of 175 monitoring zones and 1 936 monitoring points. The composition and application of stereo monitoring and evaluation system were introduced in this study from multiple aspects, including the overall framework, stereo monitoring network and application demonstration. Finally, the existing problems and future development suggestions were summarized to promote the optimization of the stereo monitoring and evaluation system for agricultural non-point source pollution of China and formulate effective water environment improvement management strategies. |
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