The Sea-coast: 1. Destruction, 2. Littoral Drift, 3. ProtectionLongmans, Green, 1902 - 361 páginas |
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Página 11
... shore is increased , and consequently the force and destructive effect with which the wave strikes a cliff or sea - wall against which it is projected . The wave - stroke is much heavier on a steep shore than when the beach consists of ...
... shore is increased , and consequently the force and destructive effect with which the wave strikes a cliff or sea - wall against which it is projected . The wave - stroke is much heavier on a steep shore than when the beach consists of ...
Página 13
... shore gales . An on - shore wind always produces an off - shore current , and the more violent the gale the greater the erosive effect . The height of a wave , its length , and the velocity with which it moves are all governed by the ...
... shore gales . An on - shore wind always produces an off - shore current , and the more violent the gale the greater the erosive effect . The height of a wave , its length , and the velocity with which it moves are all governed by the ...
Página 14
... shore waves , or the wavelets due to the rising and falling tides , vary considerably in their dimensions according to circumstances . Approximately , it may be taken that breaking waves having a height of 3 to 5 feet will have a length ...
... shore waves , or the wavelets due to the rising and falling tides , vary considerably in their dimensions according to circumstances . Approximately , it may be taken that breaking waves having a height of 3 to 5 feet will have a length ...
Página 17
... much as from 25,000 to 40,000 cubic yards , are thrown , in the course of a few days , into the channel at the end of the windward side of the C jetties which project out from the shore . This effect THE ACTION OF SHORE WAVES . 17.
... much as from 25,000 to 40,000 cubic yards , are thrown , in the course of a few days , into the channel at the end of the windward side of the C jetties which project out from the shore . This effect THE ACTION OF SHORE WAVES . 17.
Página 28
... shore ; and gives an example , Marble Head beach , where , during a violent storm , a quantity of boulders , estimated at 10 tons , were cast up on to the beach over the length of a quarter of a mile . An example of the way in which ...
... shore ; and gives an example , Marble Head beach , where , during a violent storm , a quantity of boulders , estimated at 10 tons , were cast up on to the beach over the length of a quarter of a mile . An example of the way in which ...
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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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