Hainan Province is located in the southernmost tip of China. It is bounded by the Qiongzhou Strait to the north and Guangdong Province, to the west by the Beibu Gulf and the Democratic Republic of Vietnam, to the east by the South China Sea and Taiwan Province, and to the southeast and south by the Philippines, Brunei and Malaysia in the South China Sea. The administrative area of ??Hainan Province includes the islands and reefs of Hainan Island, Xisha Islands, Zhongsha Islands, Nansha Islands and their waters. It is the largest province in the country. The total land area of ??the province (mainly including Hainan Island and Xisha, Zhongsha and Nansha Islands) is 35,400 square kilometers, and the sea area is about 2 million square kilometers. Hainan Island is located at 18°10′-20°10′ north latitude and 108°37′-111°03′ east longitude. The outline of the island is like a large oval pear, with the long axis running from northeast to southwest, about 290 kilometers long, and from northwest to It is about 180 kilometers wide in the southeast and has a total area (excluding satellite islands) of 33,900 square kilometers. It is the second largest island in my country after Taiwan Island. The coastline around the island is 1,528 kilometers long, with 68 large and small harbors. The surrounding area with a constant depth of minus 5 meters to minus 10 meters reaches 2,330.55 square kilometers, equivalent to 6.8% of the land area. The Qiongzhou Strait, which separates Hainan Island from the Leizhou Peninsula in Guangdong in the north, is about 18 nautical miles wide. It is the "maritime corridor" between Hainan Island and the mainland, and also the shipping channel between the Beibu Gulf and the South China Sea; from Haikou City in the north of the island to Haiphong in Vietnam It is about 220 nautical miles, and the voyage from Yulin Port in the south of the island to Manila in the Philippines is about 650 nautical miles. The Xisha Islands and Zhongsha Islands are located in the South China Sea about 300 kilometers southeast of Hainan Island. Most of the Zhongsha Islands are submerged underwater, with only Huangyan Island emerging from the water. There are 22 islands in the Xisha Islands with a land area of ??8 square kilometers, of which Yongxing Island is the largest (1.8 square kilometers). The Nansha Islands are located in the southern part of the South my country Sea. They are the most widely distributed group of islands with the most reefs, sands and shoals. The land area is only 2 square kilometers. Among them, the Zengmu Shoal is the southernmost territory of our country. The South China Sea Islands are a must-pass point for traffic between the Pacific and Indian Oceans, and play an important strategic role in international shipping routes. Hainan Island is an elliptical shape running from northeast to southwest, with low surroundings and high mountains in the middle. With Wuzhi Mountain and Yingge Ridge as the core of the uplift, it gradually decreases toward the periphery. The terrain around the coast is flat. The coastline is 1,528 kilometers long, with many harbors and beaches. The coastal ecology is characterized by tropical mangrove belts and coral reef coasts. The West, South and Zhongsha Islands are generally between 4 and 5 meters above sea level. The stone island of the Xisha Islands is the highest, with an altitude of about 14 meters. Mountains: The peaks in Hainan Island with an altitude of more than 1,500 meters include Wuzhishan, Yinggeling, Ezongling, Houqiling, Yajiadaling, Diaoluo Mountain, etc. Among them, Wuzhi Mountain, located in the middle of the island, has a main peak of 1867.1 meters above sea level, which is the highest mountain in Hainan Island; Yingge Ridge, located in the northwest of Wuzhishan Mountain, has a main peak of 1811.6 meters above sea level; Yajia Ridge, located in the west of the island, has a main peak of 1519.1 meters above sea level. rice. Rivers There are 154 rivers in Hainan Island that flow into the sea alone. Among them, the three largest ones are: Nandu River, Changhua River and Wanquan River. The Nandu River originates from Nanfeng Mountain in Baisha County, runs diagonally across the northern part of the island, flows through Baisha, Qiongzhong, Danzhou, Chengmai, Tunchang, Ding'an, Qiongshan and ends at Haikou, with a total length of 311 kilometers and a drainage area of ??7176.5 square kilometers; The Changhua River originates from Kongshiling in Qiongzhong County, runs across the west of the island, flows through Qiongzhong, Baoting, Ledong and Dongfang to Changhua Port and enters the sea. It has a total length of 230 kilometers and a drainage area of ??5070 square kilometers; the upper reaches of the Wanquan River divides The north and south branches originate from Wuzhishan and Fengmenling in Qiongzhong respectively. The two branches flow through Qiongzhong, Wanning, Tunchang and merge at the mouth of Longjiang River in Qionghai. They enter the sea from Boao Port. The main stream is 163 kilometers long and has a total water catchment area of ??3693 square kilometers. Climate Hainan Province has a tropical monsoon climate and a tropical ocean climate. It is warm and hot all year round, with abundant rainfall, distinct dry and wet seasons, and many tropical storms and typhoons in autumn. Hainan Island has long sunshine hours. The annual total solar radiation is 110 to 140 kcal/cm2, the annual sunshine hours are 1750-2650 hours, and the light rate is 50%-60%. There is no winter throughout the year. January to February is the coldest month, with an average temperature of 16℃-24℃; July to August is the hottest month, with an average temperature of 25℃-29℃. The average annual temperature is 22℃-25℃. Most areas of Hainan Island receive abundant rainfall, with the average rainfall across the island being more than 1,600 mm.

The rainfall season is uneven, with rainy summer and autumn and drought in winter and spring. The Xi, Nan and Zhongsha Islands have a tropical marine climate with long summer and no winter, and the annual average temperature is 26.5°C.

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Hainan Island is the main component of Hainan Province. It was called Qiongzhou in ancient times and covers an area of ??32

198 square kilometers. It is the second largest island in China. It is a mainland island, facing Leizhou Peninsula across the sea. Directory [Hide] 1 Relative location 2 Climate 3 Terrain 4 Natural resources 4.1 Biological resources 4.2 Fishery resources 4.3 Oil and gas resources 4.4 Salt farm 4.5 Iron ore 4.6 Tourism resources 4.7 Space resources 5 See 6 External links Hainan Province was established in 1988, and Hainan was established at the same time Special Economic Zone, it is the 31st province and the largest special economic zone in China. Population 7 million. [edit] Relative position: Adjacent provinces and regions: Guangdong, Guangxi Adjacent countries: Vietnam is south of the Tropic of Cancer, about 110 degrees east longitude. It is located on the southwest border of China, surrounded by sea, facing the Leizhou Peninsula across the Qiongzhou Strait to the north and the Leizhou Peninsula to the west. The Beibu Gulf of the South China Sea borders the South China Sea to the east and south. [edit] Climate Maritime tropical monsoon climate, located at the northern edge of the tropics, accounting for 40% of China's tropical land area; sufficient sunlight, with more than 2,000 hours of sunshine per year, and active accumulated temperatures of 8,400 to 9,200 degrees Celsius; hot summers and warm winters, the hottest The average monthly temperature is between 25 and 29 degrees Celsius, and the coldest monthly average temperature is greater than 16 degrees Celsius. Precipitation: Affected by the summer monsoon, precipitation on the island decreases from east to west; affected by the topography, precipitation increases from the coast inward. [Edit] The terrain increases in altitude from the coast to the inside

It is distributed in a ring

The outermost coastal ring is a plain

Inward are terraces and hills

Further inside are mountains. Platforms and hills are the largest rings in Hainan Island. The mountainous hills are located in the south of the central part, including Limu Ridge (the main peak is Houyiling, 1,655 meters above sea level) and Wuzhi Mountain (the main peak, Wuzhi Mountain, is 1,867 meters above sea level, the highest point on the island). [edit] Natural resources and biological resources. Tropical rainforests and tropical monsoon forests develop in mountainous and hilly areas, and many rare species are found: Medicinal plants: Xue Fenghou, rosewood, amomum villosum, puzzle, betel nut, etc. Material plants: azalea, slope Lei, Qingmei, Zijing, wild lychee and other rare animals: peacock pheasant, white pheasant, gibbon, Eld's deer, clouded leopard, otter, monkey, sambar, civet, pangolin, giant squirrel, etc. Salt Works Yinggehai Salt Works Iron Ore Lu Iron Mine : One of the few rich iron mines in China.

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