Earth from Space: Tidal island

Hi My Friends: A VUELO DE UN QUINDE EL BLOG., This image from the Pleiades satellite shows the island of Mont Saint Michel and its surrounding bay in northwest France.

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 This image acquired on 3 May 2012 from the Pleiades satellite shows the island of Mont Saint Michel and its surrounding bay in northwest France. Mont Saint Michel was a tidal island, meaning that it was surrounded by water at high tide and only when the waters receded was it reachable by foot. In the late 1800s, the causeway was raised to make it accessible from the mainland at all times. In this image, we can clearly see where the water meets the mud flats, with multiple channels weaving through the mud.

Credits: CNES 2012/Astrium Services/Spot Image

 This image from the Pleiades satellite shows the island of Mont Saint Michel and its surrounding bay in northwest France.

Even at about 700 km away, the satellite captured a clear picture of Mont Saint Michel and its structures – such as the spire towering over the central abbey – with their shadows cast over the water to the north.

Mont Saint Michel was a tidal island, meaning that it was surrounded by water at high tide and only when the waters receded was it reachable by foot. In the late 1800s, the causeway was raised to make it accessible from the mainland at all times.

A project to remove the causeway and build a bridge – making Mont Saint Michel an island again – is under way.

The tides in this area rise and fall rapidly, and in medieval times pilgrims were known to run across the mudflats with the tide at their heels.

Today, it is still dangerous for those who choose to avoid the causeway to walk to and from the mainland.

In this image, we can clearly see where the water meets the mud flats, with multiple channels weaving through the mud.

This particular environment yields salt marsh meadows – an ideal place for grazing sheep who eat the salty grass, making their meat flavourful. In fact, salt meadow lamb is a local speciality.

Mont Saint Michel and its bay are part of the UNESCO list of World Heritage Sites.

The image was acquired by France’s Pleiades satellite on 3 May.  

The Image of the Week is featured on ESA Web-TV, broadcast online every Friday at 10:00 CEST.
  ESA

 Guillermo Gonzalo Sánchez Achutegui

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