Home Physical Why does the coastal area have sea breezes and continental winds?

Why does the coastal area have sea breezes and continental winds?

People living in coastal areas have the experience: during the day, especially in the afternoon, when the hottest is usually wind from the sea, at night or early in the morning is the coolest time, the wind blows from the mainland to the sea, The coastal winds often change that way.

This is because the ocean and the continent, after being shone by the sun’s rays, react differently: the continent receives sunlight during the day because the heart rate is low, the temperature rises very quickly. At night, the temperature drops very quickly. As for the high heat, the seawater temperature does not easily rise during the day and at night. The seawater gradually releases the absorbed daytime heat. The sea water also has moved between the upper and lower floors as well running horizontally, so heat exchange is easy so that at night the temperature of the seawater drops very little. Therefore, during the daytime, the sea is usually cooler than the continent, and at night the continent is cooler than the sea.

During the day, because the sea is cooler than the continent, the sea air pressure is higher, the continental air pressure is low, so the wind blows from the sea to the continent. Because the continent is cooler than the sea at night, the continent’s air pressure is higher, thus forming a continental wind blowing out into the sea.

But not every season on the coast has sea and continental winds. In winter on the US coast, sometimes during the daytime, we still cannot feel the wind from the sea blowing onto the continent; what is the reason? This is because the United States coast in winter, winds blow from the mainland to the sea very strongly, it overwhelms the sea breeze, so there is usually no sea breeze in winter. In summer, the coastal area’s sea and continental winds are affected by the weather system (showing the changing weather and the distribution system of regional characteristics and cold peaks, hot peaks, low-pressure troughs, cyclones, etc); vandalism makes me not feel.



James Smith
I used to look up at the sky when I was a child and wonder what's in those stars. Growing up, when I had the opportunity to contact the source of human knowledge, I had more knowledge about the universe, the natural world, and created laws. Being the founder of Wikiwap is where I can share my understanding of the world around me in a simple way that readers can access knowledge like a child. You and I are parts of the world; life will always be beautiful.


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