Five lakes: generally refers to Dongting Lake, Poyang Lake, Taihu Lake, Chaohu Lake and Hongze Lake; Four Seas: East China Sea, South China Sea, West Sea and North Sea. All corners of the country refer to all parts of the country and all directions. There are different opinions about the "Five Lakes". The task of Li Daoyuan, a hydrologist in the Northern Wei Dynasty, in writing Notes on Water Classics is that "the five lakes are Changdang Lake, Taihu Lake, Shehu Lake, Gui Hu Lake and _ Lake". In the Tang Dynasty, Sima Zhen thought that "Five Lakes" meant "there are regions, omens, Peng Li, grass and Dongting". In modern times, Dongting Lake, Poyang Lake, Taihu Lake, Chaohu Lake and Hongze Lake are generally considered as "five lakes". The four seas refer to the east, south, west, north and four seas.
Introduction from all corners of the country
1, Dongting Lake
Dongting Lake is the second largest freshwater lake in China, spanning Hunan and Hubei provinces. It is connected to the Yangtze River in the north and the four waters of Hunan, Guizhou, Yuan and Tan in the south, so it is called "Dongting Lake with 800 Li". Dongting Lake means immortal abode of fairies, so its scenery is beautiful and charming. Its biggest feature is that there are lakes outside the lake and mountains in the lake.
2. Poyang Lake
Poyang Lake is an important shallow water lake in the Yangtze River basin, which has the characteristics of flooding, throughput and seasonality. Poyang Lake is located in the north of Jiangxi Province, on the south bank of the middle and lower reaches of the Yangtze River. The lake area is 3 150 km2 at normal water level, and above 4 125k _ at high water level. Poyang Lake is the largest freshwater lake in China and the second largest lake in China. It is located in the north of Jiangxi Province and the second largest lake in China after Qinghai Lake.
3. Taihu Lake
Taihu Lake, located in the southern edge of the Yangtze River Delta, is one of the five largest freshwater lakes in China, spanning Jiangsu and Zhejiang provinces, connecting Wuxi in the north, Huzhou in the south, Yixing in the west and Suzhou in the east. Its west and southwest are hills and mountains, and its east is dominated by plains and water networks. Taihu Lake is located in the subtropical zone, with a mild and humid climate and a monsoon climate. There are many rivers, ports and estuaries in Taihu Lake, with more than 50 major rivers entering and leaving.
4.chaohu lake
Chaohu City is located in the middle of Anhui Province, south of Jianghuai Hill, between Hefei and Wuhu, east longitude11725' ~1758', north latitude 3 1 16' ~ 32. The whole territory is about 50.8 kilometers wide from east to west and 80.6 kilometers long from north to south, with a total land area of 2046.6438+04 square kilometers. Chaohu Lake is the capital of "Sanshui". Near the Yangtze River and sitting on Chaohu Lake, it is a famous hot spring town in China.
5. Hongze Lake
Hongze Lake, the fourth largest freshwater lake in China. It is located in the lower reaches of Huaihe River in the west of Jiangsu Province, on the west side of the central plain of northern Jiangsu, in Huai 'an and Suqian, and at 33 _ 06 ′-33 _ 40 ′ north latitude and110 ′-18 _ 52 ′ east longitude. A shallow lake.
Donghai 1
The East China Sea covers an area of about 770,000 square kilometers, with an average water depth of 349 meters, and the deepest part is close to the west side of Okinawa, about 2,700 meters. The salinity is 3 1-32‰ and 34‰ in the east. The annual average temperature of seawater is 9.2℃. In winter, the water temperature in the south is above 20℃. The whole sea area is between 2154' ~ 3317' north latitude and 0/7 05' ~13103' east longitude.
2. Yellow Sea
The Yellow Sea is the marginal sea of the western Pacific Ocean, which lies between Chinese mainland and the Korean Peninsula. It is a semi-closed shallow sea with an approximate north-south trend. The northwest is bounded by the connecting line between Laotieshan Angle at the southern end of Liaodong Peninsula and Penglai Angle on the northern shore of Shandong Peninsula, and is connected with Bohai Sea. In the south, it is bounded by the connecting line between Qidongzui on the north bank of the Yangtze River estuary in China and the southwest corner of Jeju Island, and is connected with the East China Sea.
3. South China Sea
Located in the south of Chinese mainland, it is one of the three marginal seas in the western Pacific Ocean and China. The waters within the Jiu Duan Line are China's territorial waters, with a natural sea area of about 3.5 million square kilometers and a total territorial sea area of about 26.5438 million square kilometers in China.
4. Bohai Sea
Bohai Sea is a part of the western Pacific Ocean and the inland sea of China. Surrounded by the sea on three sides, it is located between Liaoning, Hebei, Shandong and Tianjin. Laotieshanjiao, at the southern tip of Liaodong Peninsula, confronts Penglai on the northern shore of Shandong Peninsula, and its coastline is like a gourd. The Bohai Sea is connected with the Yellow Sea through the Bohai Strait. The mouth of the Bohai Strait is 59 nautical miles wide and has more than 30 islands.