wind and waves

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If you ask most people what causes waves they will tell you the gravitational pull of the moon. While that is the reason for the tides, the most common cause of waves is… wind. On my hike yesterday it was quite windy and I got to see the wind ‘playing’ on the surface of the water.

I also remember seeing dust devils, mini tornados, on my many adventures through the southern states with my dad. And I once saw a water spout off the coast of Jeju Island in Korea. 

It’s fascinating to see the power of the wind. Harnessed, it can generate power. It can also be devastatingly destructive.

But looking at the way wind travels along the surface of water, creating waves, is mesmerizing. I love to watch it dance and control the water, with the wind taking the lead and the water following along at the leader’s whim. But to say the water is ‘following’ the wind is a misnomer.

animation of people doing the stadium wave

animation of a longitudinal displacement wave pulse traveling through a tube filled with molecules

Like fans doing the wave in a stadium, the water itself does not travel with the wind, but rather as a disturbance traveling through the water. A beautiful disturbance. A dance of wind and waves. In a way, tides and waves are the dance of the sun and moon. The moon influences the tides and the sun unevenly heats the earth creating wind. So the dance of wind on water is a dance of sun and moon, of heat and gravity, of power and beauty.

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