Wednesday, March 6, 2013

Rise / Springs / Syzygy

I am working on some research for a drawing about Hurricane Sandy. I plan on using red silt that washed up in my house to make a drawing of a full moon. Below is some research for this drawing.

 collected silt that washed up in my house during Hurricane Sandy

The semi-diurnal range (the difference in height between high and low waters over about half a day) varies in a two-week cycle. Approximately twice a month, around new moon and full moon when the Sun, Moon and Earth form a line (a condition known as syzygy[8]) the tidal force due to the sun reinforces that due to the Moon. The tide's range is then at its maximum: this is called the spring tide, or just springs. It is not named after the season but, like that word, derives from the meaning "jump, burst forth, rise", as in a natural spring.

moon phase over Hurricane Sandy when it hit land in NJ/NY/etc

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