Xisha Islands is located in latitude 15 ° 46 ′ ~ 17 ° 08 ′, longitude 111 ° 11 ′ ~ 112 ° 54 ′ between the Chinese mainland, the Dongsha Islands and Hainan Island and the Spratlys, Spratlys between the center of the link for the South China Sea shipping lanes for the exchange of China and the South China Sea islands, the Central and South China Peninsula and the Indian Ocean littoral countries key. Sansha City administrative center in the Xisha Islands Yongxing Island.

Xisha Islands are distributed in more than 500,000 square kilometers of sea, *** there are 22 islands, 7 sandbars, there are 8 atolls, 1 platform reef, 1 reef beach, the total land area of about 10 square kilometers, the coastline is 518 kilometers long. Among them, Yongxing Island is the largest, 3.2 square kilometers, Shi Island is the highest, 15.9 meters above sea level, the East Island Atoll of Gaojianshi is the only South China Sea volcanic breccia islands.

Expanded Information

The Xisha Islands are windy all year round, rich in wind resources, with an annual average wind speed of 5 to 6 meters per second or more, which is the best wind speed for wind power generation. Monthly average wind speed in all months of the year between 4 to 8 m / s, the annual frequency of static wind <3%, there are more than 7 months of the monthly average wind speed of more than 5 m / s, the effective wind speed (3 to 20 m / s) hours of 6,000 to 8,000 hours, an average of up to 16 to 18 hours a day.

The number of effective wind speed hours is highest in winter, second highest in summer and lowest in spring. The highest is in November, with monthly effective wind speed hours reaching 590-700 hours, averaging 20 hours per day; the lowest is in April, with monthly effective wind speed hours also ranging from 380 to 435 hours, averaging 13-15 hours per day.

Baidu Encyclopedia - Xisha Islands