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The Dorset Coast (and a little bit of Hampshire!). ~ a virtual field trip ~. I took this picture! . Where it is located. Day 1– The journey to Dorset! . Day 2 – Lyme Regis to Ringstead Bay. Groynes.

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the dorset coast and a little bit of hampshire

The Dorset Coast(and a little bit of Hampshire!)

~ a virtual field trip ~

I took this picture!

slide3

Day 1– The journey to Dorset!

Day 2 – Lyme Regis to Ringstead Bay

slide4

Groynes

An aerial photo of Lyme Regis Bay, showing ‘The Cobb’ (Harbour) and where the River Lim meets the sea

slide6

The coast is unstable because there are numerous situations where porous strata, principally the Chalk and Upper Greensand, lie over impermeable clays.

Black Ven between Lyme Regis and Charmouth. Upper Greensand lies over Lower Jurassic clays. The largest coastal mudflow in Europe took place here in the winter of 1958/9

The cliff top at Black Ven

slide8

Chesil Beach

Isle of Portland

The Fleet

West Bay (west)

Pebbles are ’sorted!’

Portland (east)

The gradient of the beach can get very steep

slide9

The Isle of Portland

When the island was uplifted, a series of massive fractures developed in the limestone.

slide10

Weymouth

Weymouth is a traditional seaside resort. It is protected by the Isle of Portland.

Portland Harbour (South of Weymouth)

slide12

Day 3 – Ringstead Bay to St. Alban’s head

Durdle Door ~ Lulworth Cove ~ Stair Hole ~ Warbarrow Bay ~ Tynham ~ Broad Bench ~ Kimmeridge ~ Winspit

slide13

Durdle Door ~ A Limestone Arch

Eventually the arch will collapse to leave a sea stack

slide14

Lulworth Cove

Chalk Hills stop the cove eroding any further inland

Soft sand and clays

Limestone Headlands

slide15

Stair Hole

Small arch is only gap in the limestone.

Marine processes eroding further inland

slide17

Worbarrow Bay

Tyneham from Gadd Cliff

(Note the land use)

Broad Bench

slide19

St. Alban’s Head

Winspit (behind)

Chapmans Pool

Waves shape the coastline.

Winspit

slide21

Dancing Ledge

(+ tidal pool!)

Sandbanks

Studland

Old Harry

Swanage Bay

Peveril Point

Looking out to see from Anvil Point

Durlston Head

Anvil Point

slide22

Swanage

Swanage Bay

slide23

Old Harry Rocks – A stack

Stack

Collapsed

Undercuttingmeans stack will collapse

New cave forming

slide24

Studland – Sand Dune System

3 Major dune ridges

Little Sea

Fieldwork (transects!)

slide26

View over dune slack with further vegetation succession

Younger dunes with Marram Grass

Actual fieldwork!

Hmmmmmm!

slide29

Bournemouth

Sandbanks

Bournemouth

Bournemouth Pier

Groynes

slide30

Christchurch Harbour

Spit

Hengistbury Head

Groynes

Long Groyne

Sediment Build Up

slide31

Hengistbury Head

Unstable Cliffs

Gullies

Groynes

Salt Marsh

Erosion

slide32

House!

Barton on Sea Landslides

Landslip

slide33

Barton on Sea

Christchurch Bay

Evidence of lanslides

Land Use

slide34

River Medina ~ A Ria Isle of Wight

East Cowes

West Cowes

River Medina

To Newport

slide35

That’s it!

Day 6 - Back to School