Research Article
A Comparison of Two Methods on the Climatic Effects of Urbanization in the Beijing-Tianjin-Hebei Metropolitan Area
Table 2
Numbers of stations for each station group in the JJJ area.
| | Station group name | Population criteria (million) | Number of stations |
| | Large city station | ≥0.5 | 11 | | Medium city station | 0.1–0.5 | 31 | | Small city station | 0.05–0.1 | 26 | | Rural station | ≤0.05 | 11 |
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