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 15
... 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 the length would agitate 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 the length would agitate the ...
Página 18
... length of less than a quarter of a mile , and deposited in a similar position on the foreshore further to the northward . On more than one occasion at Plymouth during the construc- tion of the breakwater , large blocks of stone , some ...
... length of less than a quarter of a mile , and deposited in a similar position on the foreshore further to the northward . On more than one occasion at Plymouth during the construc- tion of the breakwater , large blocks of stone , some ...
Página 26
... length of 30 miles , any source from which any recent supply of shingle can be derived . Yet at Pagham there is a large bank of this material , extending over 2 miles , the part above high water being 250 yards wide , and covering an ...
... length of 30 miles , any source from which any recent supply of shingle can be derived . Yet at Pagham there is a large bank of this material , extending over 2 miles , the part above high water being 250 yards wide , and covering an ...
Página 27
... length , can have accumulated from any waste of adjacent cliffs now going on . The present source of supply is derived almost entirely from the waste of the cliffs , and the falling on to the beach of gravel originally deposited on ...
... length , can have accumulated from any waste of adjacent cliffs now going on . The present source of supply is derived almost entirely from the waste of the cliffs , and the falling on to the beach of gravel originally deposited on ...
Página 38
... length of the fetch of the sea to which the bank is exposed , and whether it faces the direction from which the winds blow that make the highest tides and heaviest seas , and also to some extent on the range of the tide . The stones of ...
... length of the fetch of the sea to which the bank is exposed , and whether it faces the direction from which the winds blow that make the highest tides and heaviest seas , and also to some extent on the range of the tide . The stones of ...
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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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