长江三角洲,是中国经济社会最发达、人口和产业最密集、发展最具活力的地区之一,正在成长为具有重要国际影响的世界级城市群,在中国经济社会发展中具有举足轻重的地位。长江三角洲的城市化与建设环境互为影响。一方面,用2008年数据概括了长江三角洲城市化现状特征,重点分析了长江三角洲城市化的发展趋势是城市化过程进一步加速;另一方面,综述了常见三角洲海平面上升研究,在未来20a长江三角洲海平面上升估计将达到220~380mm;在未来50a,长江三角洲海平面上升保守的估计将达到270~610mm。未来气候变化导致海平面上升,必然对长江三角洲城市化过程造成影响,主要是:土地淹没面积大,洪涝灾害加剧,影响生产和能源,以及进一步滋生环境问题。
The Yangtze River Delta,one of the most developed,the most dynamic,the most densely populated and the most concentrated in industry areas of China,is growing into an influential world-class urban agglomeration and plays an important role in China's economic and social development.However,influenced by the climate change,the Yangtze River Delta's urbanization and environment for construction affect each other.This paper did some researches in two aspects.On the one hand,using 2008 data it summarizes the current characteristics of urbanization in the Yangtze River Delta.The urbanization is to be further accelerated in the Yangtze River Delta.On the other hand,future climate change will led to sea-level rise.The sea-level rose to reach 220~380 mm in the next 20 years,and 270~610 mm in the next 50 years in the Yangtze River Delta.The Yangtze River Delta is bound to be affected by the process of urbanization which mainly will caused larger area of land flooded,more flood disasters,and more other environmental problems.