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 9
... half of the un- dulation , or that above the level of the water when in repose , move upwards and forward in the same direction as the travel of the wave , those contained in the lower portion , or the trough , moving downwards and ...
... half of the un- dulation , or that above the level of the water when in repose , move upwards and forward in the same direction as the travel of the wave , those contained in the lower portion , or the trough , moving downwards and ...
Página 10
... half full ; in the one at 18 feet there was very little sand ; and at 20 feet there was no sand in the box . In storms or heavy ground swells waves will break in depths that are great in comparison with their height , where the bottom ...
... half full ; in the one at 18 feet there was very little sand ; and at 20 feet there was no sand in the box . In storms or heavy ground swells waves will break in depths that are great in comparison with their height , where the bottom ...
Página 11
... half a league , and thin themselves , Far over sands marbled with moon and cloud , From less and less to nothing . " Ground Swell or Rollers . - These are the product of wind waves generated at some distant part of the ocean . When wave ...
... half a league , and thin themselves , Far over sands marbled with moon and cloud , From less and less to nothing . " Ground Swell or Rollers . - These are the product of wind waves generated at some distant part of the ocean . When wave ...
Página 12
... half the height of the wave from trough to crest . The general result of observation of coast waves shows that as a rule , and under ordinary conditions , a wave breaks when it enters water the depth of which is equal to , or little ...
... half the height of the wave from trough to crest . The general result of observation of coast waves shows that as a rule , and under ordinary conditions , a wave breaks when it enters water the depth of which is equal to , or little ...
Página 19
William Henry Wheeler. water of a wave may be taken as descending is half that of the height from the trough to the crest . Taking a wave 10 feet high , and the depth of water where it breaks , in repose , at 5 feet ; the weight of sea ...
William Henry Wheeler. water of a wave may be taken as descending is half that of the height from the trough to the crest . Taking a wave 10 feet high , and the depth of water where it breaks , in repose , at 5 feet ; the weight of sea ...
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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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