The Sea-coast: (1) Destruction (2) Littoral Drift (3) ProtectionLongmans, Green, and Company, 1902 - 361 páginas This title deals with the effects of erosion and littoral drift on the English and continental coast-lines bordering the North Sea, and outlines protective measures including sea-walls and groynes. |
Dentro del libro
Resultados 6-10 de 98
Página 88
... beach in front , and unless care has been taken to protect the beach , the wall becomes the agent of its own destruction . At high tides and heavy onshore gales , the waves are thrown A great against the wall and suddenly stopped in ...
... beach in front , and unless care has been taken to protect the beach , the wall becomes the agent of its own destruction . At high tides and heavy onshore gales , the waves are thrown A great against the wall and suddenly stopped in ...
Página 89
... water is projected upwards to a height depending on the depth of the water in front of the wall , and in falling back cuts out the beach , the loosened material being carried sea- ward by the return wave . As the beach thus becomes ...
... water is projected upwards to a height depending on the depth of the water in front of the wall , and in falling back cuts out the beach , the loosened material being carried sea- ward by the return wave . As the beach thus becomes ...
Página 90
... front of them . At Westgate , where the base of the wall was placed several ... beach was denuded to within nearly the base of the wall , so that it became ... front of the town . Three concrete groynes or buttresses , 4 feet 6 inches ...
... front of them . At Westgate , where the base of the wall was placed several ... beach was denuded to within nearly the base of the wall , so that it became ... front of the town . Three concrete groynes or buttresses , 4 feet 6 inches ...
Página 91
... beach , the piles being driven into hard clay . Within ten years after its construction the beach was lowered and the clay cut out in front of the wall to a depth of 4 feet , and during a gale in the winter of 1897 , a large length of ...
... beach , the piles being driven into hard clay . Within ten years after its construction the beach was lowered and the clay cut out in front of the wall to a depth of 4 feet , and during a gale in the winter of 1897 , a large length of ...
Página 94
... water as from 10 to 11 feet above the level of high water at ordinary spring tides . In sheltered positions and with a good beach in front , this height may be reduced ; this accords with the general practice . Thus the top of the wall ...
... water as from 10 to 11 feet above the level of high water at ordinary spring tides . In sheltered positions and with a good beach in front , this height may be reduced ; this accords with the general practice . Thus the top of the wall ...
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The Sea-coast: 1. Destruction, 2. Littoral Drift, 3. Protection William Henry Wheeler Vista completa - 1902 |
Términos y frases comunes
12 feet 20 feet alluvium angle bank of shingle basalt beach in front beach material Blackpool boulder clay boulders Bridlington carried chalk chalk cliffs channel chert clay coast coast-line composed concrete considerable constructed Crown 8vo denudation deposited depth derived direction distance dunes east effect entrance erected erosion estuary extends face feet high Felixstowe flints flood tide foot gravel groynes harbour headland heavy gales height high tides high water Humber Illustrations inches in diameter island jetty Kilnsea land length limestone littoral drift London Clay low groynes low water marshes mile wide Morecambe Bay on-shore gales pebbles pier piles placed planking promenade protection quantity quartzite rise river rocks sand and shingle sand-hills sandstone sandy sea-wall seaward shingle and sand shingle-bank shore slope spit spring tides Spurn Point stones surface tidal timber varying wall washed waves breaking width wind Withernsea yards wide
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