Which cities does the Pearl River Delta mainly include?

The Yangtze River Delta refers to the alluvial plain of the Yangtze River to the east of Zhenjiang and Yangzhou, which is located in the southeast of Jiangsu Province and in Shanghai and Hangjiahu areas of Zhejiang Province.

The peak of the Yangtze River Delta is near Zhou Zhen Town, Yizheng City, with Yangzhou, Jiangdu, Taizhou, Hai 'an and Bencha as the northern boundary, Zhenjiang, Ningzhen Mountain, the eastern foot of Maoshan Mountain and the northern foot of Tianmu Mountain to the northern shore of Hangzhou Bay as the western boundary and the southern boundary, and the Yellow Sea and the East China Sea as the eastern boundary, with an area of 40,000 square kilometers. It is the largest estuary delta in China.

Among them, the territory of Jiangsu Province is about 25,000 square kilometers, and the ground elevation is 2-5 meters.

The delta basement is a part of the Yangtze paraplatform, and the Himalayan tectonic movement interrupted the subsidence. During the Quaternary neotectonic movement, the crust and sea level frequently rose and fell. After the last transgression, the sediment carried by the Yangtze River continued to deposit and began to develop deltas in the estuary.

Because of the Coriolis force, the main river keeps turning right, which makes the estuary sand group merge into the north bank in turn. The sandbars and sandbars formed in Hongqiao period, Huangqiao period, Jinsha period, Haimen period and Beisha period formed the Hanjiang, Taixing, Jingjiang, Rugao, Nantong, Haimen and Qidong counties on the north bank of the Yangtze River today. Now Chongming, Changxing, Hengsha and other sand islands near the estuary will also be merged into the north shore according to this law. The estuary sand mouth also extends synchronously.

The sand mouth on the north bank extends all the way to the northern boundary of the delta, and the ground elevation is 6-8 meters.

The sand mouth on the south bank extends eastward through Jiangyin, Taicang, Waigang and Maqiao, with a ground elevation of about 4.5 ~ 6 meters, and reaches Hangzhou Bay after connecting with the north bank of Qiantang River.

The repulse bay in Shazui silted up and became the predecessor of the ancient Taihu Lake.

Since then, the shallow bay has silted up and gradually evolved into a low plain crisscrossed by lakes and rivers.

The coastal areas outside the south bank of Shazui are continuously silted into coastal plains.

A series of residual hills with an altitude of 100 ~ 300 meters are scattered on the delta, most of which are composed of Devonian sandstone and Carboniferous and Permian limestone, and a few are composed of Yanshanian granite and trachyte.

In the early days of the delta, humans engaged in fishing, hunting and farming here.

After two great migrations in the Eastern Jin Dynasty, the Southern and Northern Dynasties and the Southern Song Dynasty in the 4th-6th century A.D. and the river network construction since13rd century, the delta has gradually developed into a famous "land of plenty" and "land of silk" in China.

Modern industry rose earlier, inland navigation developed, Shanghai-Nanjing and Shanghai-Hangzhou railways were built one after another, and Shanghai, Suzhou, Wuxi, Changzhou, Zhenjiang, Nantong and Yangzhou in Jiangsu, Hangzhou and Jiaxing in Zhejiang developed into industrial cities one after another.

The Yangtze River Delta is one of the largest economic core areas in China, located in the middle of the mainland coastline and at the mouth of the Yangtze River, with superior natural conditions, obvious location advantages, good economic foundation and developed science, technology, culture and education. * * * There are 1 municipality directly under the central government-Shanghai, and three sub-provincial cities-Nanjing, Hangzhou and Ningbo, 1 1 prefecture-level cities, namely Suzhou, Wuxi, Changzhou, Zhenjiang, Nantong, Yangzhou and Taizhou in Jiangsu Province and Huzhou, Jiaxing and Shaoxing in Zhejiang Province. The population is 75.34 million, accounting for 5.9% of the country.

Chu Chiang Delta

The geographical scope of the Pearl River Delta includes all or part of seven cities including Guangzhou, Shenzhen, Zhuhai, Foshan, Jiangmen, Zhongshan and Dongguan.