the large-scale application of nsw technology makes the pearl river estuary and related seas friendly to the marine ecological environment. in 1996, the south china sea institute of oceanology, chinese academy of sciences mainly undertook and assisted the cept to make the marine environmental impact prediction conclusion, which was reviewed and approved by the state environmental protection administration (iscomposed of the national planning commission, the state oceanic administration, the ministry of electric powerindustry, and the ministry of agriculture), and the five-year operation tracking and monitoring conclusion supported after the commissioning, is also confirmed by the operation practice of more than 20 years.