| 摘 要： |
The significant impact of the ocean on transportation, environment and urban development has constantly attracted the attention of governments in recent years. In general, the marine economy may have different influence on the different industries or regions in different sea-based countries. However, the prevailing public view in China is that only coastal cities are concerned with the marine economy and ocean policy. This view has also been shared by a large number of existing studies. In this work, the relationship between urban economic performance and ocean attention from the perspective of marine news is explored for the first time. More than 18,196 pieces of marine news related to 366 Chinese cities from 2001 to 2019 are collected from Baidu, and then analyzed by using the latent Dirichlet allocation model and multivariate clustering method. The high-income household ratio was adopted to quantitatively evaluate the clustering results. Qualitative and quantitative analysis results show that (i) urban economic performance is roughly positively correlated to ocean attention; (ii) the clustering results are basically in line with the type and development status of these Chinese cities, with a few exceptions; (iii) the influence of marine economy on urban development is extending from the coastal zone to inland in China. |
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