【摘要】 中心小城镇作为上海市都市城镇构造体系的一级,对于区域城市化进程及产业区位调整具有极为重要的意义,同时中心小城镇具有典型的半城市化特征,这是导致中心小城镇成为该区域新的环境污染中心的重要原因。以青浦区为例分析半城市化的具体表现,以枫泾镇镇区内河流水体及沉积物总磷区域及季节特征揭示由半城市化问题所带来的水体污染的严重性。夏季镇区河流所有样点均遭受严重的磷污染,而且区域内差异性大,小城镇河流磷污染严重于其它类型的水体磷污染,这一特征较好地反映了中心小城镇半城市化所带来环境问题的突出性。更多还原

【Abstract】 As a level of Shanghai urban and town construction system,small central town is very important to the processing of regional urbanization and industrial location adjustment.Meanwhile,small central town has the typical character of semi-urbanization,which leads to that small central town becomes the new center of environmental pollution in a certain region.This paper takes Qingpu District for example analyzing the specific performance of semi-urbanization,using river waters and district of sediment total P,season features at Fengjing Town to discover the gravity of water pollution which is brought by semi-urbanization problem.The conclusion of study shows that in summer all the points of the rivers at town area have suffered heavy pollution from P,which is heavier than other types of water pollution from P,and the regional difference is clear.The character above well reflects the prominence of the environmental problems caused by the semi-urbanization of small central town.更多还原