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Corinth Canal EarthCache

Hidden : 04/01/2008
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1.5 out of 5

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Geocache Description:

Corinth Canal

The Corinth Canal is a canal that connects the Gulf of Corinth with the Saronic Gulf in the Aegean Sea.

It cuts through the narrow Isthmus of Corinth and separates the Peloponnesian peninsula from the Greek mainland and therefore effectively making the former an island. The canal is 6.3 kilometre in length and was built between 1881 and 1893.

Tech. inf
The Canal cuts the Isthmus of Corinth in a straight line 6346 m. long. Canal width is 24.6 m. at sea level and 21.3 m. at bottom level. Depth range is from 7.5 to 8 meters. Twelve million cubic meters of earth had to be removed to cut out the entire passage.

The rock formations in the flanks of the Corinth Canal are not uniform throughout. There are several geologic fissures which run in east-west direction at a vertical angle to the canal axis. These geologic features were responsible for a number of major landslides into the Canal The canal was cut through heavily faulted sedimentary rock in an active seismic zone.
Between 1893 and 1940, it was closed a total of four years for maintenance and to stabilize the walls. In 1923 alone, 41,000 cubic meters of material fell into the canal, which required two years to clear it out.

Several rulers in antiquity dreamt of cutting a canal through the Isthmus. The first to propose such an undertaking was the tyrant Periander in the 7th century BC. He abandoned the project due to technical difficulties, and instead constructed a simpler and less costly overland portage road, named Diolkos. According to another theory, Periander feared that a canal would have robbed Corinth of its dominating role as entrepot for goods. Remnants of the Diolkos still exist next to the modern canal.

The Corinth Canal is considered a great technical achievement for its time. It saves the 400 kilometres long journey around the Peloponnesus for smaller ships, but since it is only 21 metres wide it is too narrow for modern ocean freighters. The canal is nowadays mostly used by tourist ships; 11,000 ships per year travel through the waterway. The depth of the canal is 8 metres at low water. At each end of the canal, seashore roads cross using submersible bridges that are lowered to the canal bottom to allow maritime traffic to pass.

1. What is the canal lenght?
2. What is the height from water level?
3. What is the maximum water depth?
4. What is the maximum water level width?
5. When it started to operate?
6 How many bridges are over the channel (upwards and downwards)?
7. Which sea the channel connects?

You place to two photograph.
First on the bridge and alternative down at the beginning sewer.
You send photograph on enamel title "Korinth".


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