The Sea-coast: (1) Destruction, (2) Littoral Drift, (3) ProtectionLongmans, Green, 1903 - 361 páginas |
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Página 10
... extends for a short distance from the shore - line . Beyond this the waves , being mere undulations , are incapable of conveying material towards the land . In order to find out the depth at which waves act on the sea- bed , an ...
... extends for a short distance from the shore - line . Beyond this the waves , being mere undulations , are incapable of conveying material towards the land . In order to find out the depth at which waves act on the sea- bed , an ...
Página 11
... extends over a wider space than that covered by the original cause of disturbance , the effect being transmitted beyond the sphere of the gale . Thus frequently there is a heavy ground - swell on the coast without any corresponding gale ...
... extends over a wider space than that covered by the original cause of disturbance , the effect being transmitted beyond the sphere of the gale . Thus frequently there is a heavy ground - swell on the coast without any corresponding gale ...
Página 12
... extends to a greater depth than that of ordinary wind waves ; and it exerts a greater power of transmission near the bottom than shorter waves in the same depth . As the long waves due to a ground - swell approach shallow water , where ...
... extends to a greater depth than that of ordinary wind waves ; and it exerts a greater power of transmission near the bottom than shorter waves in the same depth . As the long waves due to a ground - swell approach shallow water , where ...
Página 15
... extends is in the ratio the length bears to the height . Thus a wave 30 feet long and 10 feet high would affect the water 6 inches at a depth of 10 feet below the bottom of the wave ; whereas a wave of the same height and three times ...
... extends is in the ratio the length bears to the height . Thus a wave 30 feet long and 10 feet high would affect the water 6 inches at a depth of 10 feet below the bottom of the wave ; whereas a wave of the same height and three times ...
Página 25
... extending 10 miles from Abbotsbury to Portland , 2 must have been accomplished under conditions very different to those ... extends across the channel , having its top 5 feet above high water , and stretches across the Solent for 3 miles ...
... extending 10 miles from Abbotsbury to Portland , 2 must have been accomplished under conditions very different to those ... extends across the channel , having its top 5 feet above high water , and stretches across the Solent for 3 miles ...
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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 Clacton clay cliffs consist coast coast-line composed concrete considerable constructed covered with sand denudation deposited depth derived direction distance dunes entrance erected erosion estuary extends face fathoms feet high Felixstowe flints flood tide foot formed gravel groynes half a mile harbour headland heavy gales height high groynes high tides high water Humber inches in diameter inland jetty Kilnsea land length limestone littoral drift London Clay low groynes low water marshes mile wide 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 spring tides Spurn Point stones surface tidal timber varying wall washed width wind Withernsea yards long yards wide