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为分析渤海湾沿岸不同规模城市在城市化进程中区域人体舒适度的时空变化特征,研究按行政级别选出三个规模级别城市:直辖市(天津);地级市(唐山、沧州、东营);县级市(县)(霸州、黄骅、乐亭、饶阳及惠民)。依据各城市1980-2013年间气温、相对湿度及风速的月平均值,计算出各城市1980-2013年间各月份人体舒适度指数(HCI)。结果表明:渤海湾沿岸4月~6月上旬及8月上旬~10月上旬为区域城市人体感觉舒适时段。为分析不同规模城市人体舒适度在冷、热季的差异,以人体舒适区(51≤HCI≤75)为界将年内其余时段分为冷季和热季,结果显示:不同规模城市间人体舒适度的差异在冷季差异较大,热季差异较小;冷季,1980-1996年间海陆差异明显,1997-2013年间却呈现出明显的斑块状;热季,人体舒适度空间分布格局在前后两个时段无明显变化,均表现为海陆梯度渐变特征。
In order to analyze the spatial and temporal changes of human comfort in the process of urbanization in cities of different sizes along the coast of Bohai Bay, three cities (municipality directly under the Central Government (Tianjin); prefecture-level cities (Tangshan, Cangzhou and Dongying) County-level cities (counties) (Bazhou, Huanghua, Laoting, Raoyang and Huimin). Based on the monthly average of temperature, relative humidity and wind speed in each city from 1980 to 2013, the monthly human comfort index (HCI) of each city in 1980-2013 was calculated. The results showed that the coasts of Bohai Bay from April to early June and early August to early October were the comfortable periods of human feeling in the regional cities. In order to analyze the difference of human body comfort in different sizes in cold and hot seasons, the human comfort zone (51≤HCI≤75) was used as the boundary to divide the rest of the year into cold and hot seasons. The results showed that: In the cold season, the difference between sea and land was significant during 1980-1996, and obvious plaque appeared during 1997-2013. The pattern of spatial distribution of human comfort in the hot season was in the range of There was no significant change in the two periods before and after, both of which showed the gradual change of the sea-land gradient.