Which cities does the old Pearl River Delta refer to?

The Pearl River Delta refers to Guangzhou, Foshan, Zhaoqing, Shenzhen, Dongguan, Huizhou, Zhuhai, Zhongshan and Jiangmen. With a total area of 56,000 square kilometers, it is one of the regions with the highest degree of opening to the outside world and the strongest economic vitality.

In addition, the Pearl River Delta, formerly known as the Yuejiang Plain, is the general name of the big delta formed by the alluvial of Xijiang River and Beijiang River and the small delta formed by the alluvial of Dongjiang River.

Pearl River Delta is the largest plain area in Guangdong Province, an advanced manufacturing base and a modern service base with global influence. China is a major region participating in economic globalization, leading the development of South China, Central China and Southwest China. It is one of the three largest urban agglomerations with the largest population concentration, the strongest innovation ability and the strongest comprehensive strength in China, and is known as the "Pearl of the South China Sea".

Extended data:

Most of the Pearl River Delta is located in the south of the Tropic of Cancer, in the south subtropical zone, with a subtropical maritime monsoon climate, abundant rainfall and sufficient heat, with the same season of rain and heat. The sunshine is 2000 hours throughout the year, and the four seasons are evenly distributed. The annual average temperature is 2 1.4-22.4℃, in which the average temperatures in Fengkai, Deqing, Guangning, Huaiji, Heshan, Huidong and Boluo are lower, while those in Shenzhen and Zhuhai are higher.

The average annual rainfall in the Pearl River Delta is 65,438+0,600-2,300mm, which is concentrated in April-September due to the influence of monsoon climate. In winter, the north wind prevails and the weather is dry. Southwest and southeast winds prevail in summer, with high temperature and rainy weather.

The Pearl River Delta is located in the lower reaches of Xijiang River, Beijiang River and Dongjiang River, including the four major water systems of Xijiang River, Beijiang River, Dongjiang River and Delta, with a drainage area of 450,000 square kilometers. The river network covers an area of 9,750 square kilometers, and the river network density is 0.8km/square kilometer. There are more than 0/00 major rivers/kloc-with a length of about 1700km, and the waterways are criss-crossed and interrelated.

The dense river network has brought abundant water resources, the total water resources is 374.2 billion cubic meters, and the total transit water of Xijiang, Beijiang and Dongjiang rivers is 294,654.38+0 billion cubic meters. The delta flows through Humen, Jiaomen, Hongqimen, Hengmen, Modaomen, Jimingmen, Hutiaomen and Yakou and flows into the South China Sea.

Baidu Encyclopedia-Pearl River Delta