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长三角作为一个自然地理概念,它的本意是指长江所携带的泥沙在入海口处不断淤积形成的堆积体,其范围一般认为仅限于江苏的南京、扬州及镇江以东,通扬运河以南,浙江的杭州湾或钱塘江以北,是长江中下游平原的一部分,面积约5万平方公里。如今人们更关注它的经济社会意义,提出了小长三角、大长三角、泛长三角等众多概念。本文主要探究“原始”的长三角在当前行政区划下的实际所在,毕竟地理长三角才是真正意义上的长江三角洲。
The Yangtze River Delta as a concept of natural geography, its original meaning refers to the sediment carried by the Yangtze River sediment in the mouth of the continuous deposition of sediment, the scope generally considered limited to Jiangsu, Nanjing and Yangzhou and Zhenjiang East, Tongyang Canal to South, Hangzhou Bay in Zhejiang or north of the Qiantang River, is part of the plains in the middle and lower reaches of the Yangtze River, an area of about 50,000 square kilometers. Nowadays, people pay more attention to its economic and social significance and put forward many concepts such as the Yangtze River Delta, the Yangtze River Delta and the Yangtze River Delta. This paper mainly explores the actual location of the “primitive” Yangtze River Delta under the current administrative divisions. After all, the geographical Yangtze River Delta is the true Yangtze River Delta.