Core Insights - The report indicates a clear differentiation among global ocean cities into four tiers, with a notable rise of Asian cities [1][2] - The assessment covers 60 global ocean cities based on five dimensions: economic vitality, technological innovation, maritime services, international influence, and urban governance [1] Group 1: Global Ocean City Rankings - London, Singapore, and New York are ranked in the top tier, serving as benchmarks for global ocean development [1] - Tokyo, Shanghai, Hong Kong, and Sydney are also prominent, forming the "leading forces" in the global ocean economy [1] - Asian cities, particularly Chinese cities like Shenzhen (ranked 11th globally) and Qingdao (ranked 16th), are emerging as significant players in global ocean competition [1][2] Group 2: China's Leading Ocean Economic Circles - Shanghai is identified as the leader of China's ocean economy, ranking second globally in economic vitality and maintaining the highest port cargo throughput [2] - Shenzhen ranks fourth globally in technological innovation, with strengths in marine electronic information, high-end equipment manufacturing, and underwater robotics [2] - Qingdao ranks eighth in technological innovation and is a major hub for marine scientific research in China, hosting about one-fifth of the country's marine research institutions [2] Group 3: Emerging Trends and Challenges - New technologies and business models, such as artificial intelligence, deep-sea development, and blue carbon trading, are reshaping the logic of ocean competition [2] - Chinese ocean cities need to enhance their "soft power" in areas like rule-making and ecological construction while maintaining their "hard infrastructure" advantages [2]