Causes of Fog in Nan 'ao Island

High water vapor content and high humidity. Nan 'ao Island is located in the offshore of Shantou City, Guangdong Province, China. The surrounding sea surface has high water vapor content and high humidity, which is easy to form sea fog. Wind speed, ocean temperature, ocean water vapor, weather, topography and other factors will also affect the formation of fog in Nan 'ao Island. Nan 'ao Island covers an area of 1 17.73 square kilometers and its coastline is 94.3 kilometers long. It is located at the southern end of Quanzhou-Shantou seismic belt.