Fiume Severn

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Il fiume Severn

Una risorsa chiave della fase 2 per fiumi e coste

 
 
Casa sul fiume Severn
 
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The River Severn at Redwick

The first Severn Crossing

The first Severn Bridge was opened in September 1966 by the Queen, to replace the ferry service crossing from Aust to Beachley. At this point the River Severn is almost exactly 1 mile wide at high water

image: first crossing
This bridge used to carry the M4 over to Wales, before the second bridge was built.

The first Severn Bridge is in fact two bridges. The main section spans the Severn Estuary, whilst the second smaller section spans the River Wye.

Il secondo Severn Crossing

The second Severn Bridge was opened on 5 June 1996 by His Royal Highness, The Prince of Wales.

image: second crossing
The Second Severn Crossing is 5,128m long

Distanza dalla sorgente: 354 km (miglia 220)

Altezza sopra il livello del mare: 0m

Larghezza del fiume: 3.77km (2.36 miles)

The river is much wider here than at the first river crossing. When building the bridge, the engineers had to consider the massive 14.5m tidal range, the notorious currents and the large ships that would want to pass under the bridge.

image: middle section of M4 bridge
The middle section of the bridge has a clearance of 37m


Each bridge pillar weighs 2,000 tonnes and is 53m long

There are more pillars on this bridge than the first one. Can you think of reasons why his might be?

image: second crossing

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Vocabolario chiave

Estuario
L'ampia foce di un fiume.

Limo
Una miscela di sabbia e fango che viene trasportata e poi lasciata cadere dal fiume.

 

 
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