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. |
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Página 14
... placed have not , therefore , to be encountered by the class of works here dealt with . The length of a wave is the distance measured from the top of the crest of one wave to that of the next . For waves of 5 feet in height or over ...
... placed have not , therefore , to be encountered by the class of works here dealt with . The length of a wave is the distance measured from the top of the crest of one wave to that of the next . For waves of 5 feet in height or over ...
Página 22
... placed below this , and the alluvial matter carried to the depths of the sea . Owing to the sorting action of the waves , material of different sizes , shingle and sand , may be carried on the same beach and at the same time in opposite ...
... placed below this , and the alluvial matter carried to the depths of the sea . Owing to the sorting action of the waves , material of different sizes , shingle and sand , may be carried on the same beach and at the same time in opposite ...
Página 32
... placed , with half a gallon of water , in a cylinder 11 inches internal diameter , and subjected to 8000 revolutions at a speed of 20 revolutions a minute . The cylinder had three 1 - inch angle- irons projecting from the face . The ...
... placed , with half a gallon of water , in a cylinder 11 inches internal diameter , and subjected to 8000 revolutions at a speed of 20 revolutions a minute . The cylinder had three 1 - inch angle- irons projecting from the face . The ...
Página 43
... placed between Ostend and Heyst and beyond Wendyke show no indication of any accumulation of sand since they were constructed several years ago ; and a com- parison of surveys of the beach made in 1833 and 1870 shows that there has been ...
... placed between Ostend and Heyst and beyond Wendyke show no indication of any accumulation of sand since they were constructed several years ago ; and a com- parison of surveys of the beach made in 1833 and 1870 shows that there has been ...
Página 50
... placed in , and the sand pressed round it . One or two rows of reeds are set in the sand , projecting about 4 feet from the surface . The sand drift- ing along the beach is caught by the reeds , almost burying the tufts of grass , which ...
... placed in , and the sand pressed round it . One or two rows of reeds are set in the sand , projecting about 4 feet from the surface . The sand drift- ing along the beach is caught by the reeds , almost burying the tufts of grass , which ...
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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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