Photo of the Week

We are excited to bring back our Photo of the Week section so stay tuned for new content coming soon! In the meantime, take a look at these fantastic pictures from our teachers.

“The solar panels that charged the batteries were intact, still tied into bolts in the rocks.”

September 23, 2013
How do you supply power to tide gauge stations set up on small, uninhabited rocks off the coast of Alaska? Solar panels!

Photo: Susy Ellison

What do you do if you’re surveying in an area that doesn’t have existing tide gauges? In that case, you have to make your own gauge that is referenced to a non-moving point of known elevation (like a rock). The station uses solar panels to keep the batteries charged. The batteries power up the station so that data can be sent to a satellite. Data is also stored on site in a data logger, but without power that data logger won’t work." - Susy Ellison
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5 photos for tide · Clear