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 7
... increased during gales . The effect of gales is greatest when the wind , after blowing along the coast in the same direction as the main stream of the flood tide , changes about the time of high water to an on - shore direction . The ...
... increased during gales . The effect of gales is greatest when the wind , after blowing along the coast in the same direction as the main stream of the flood tide , changes about the time of high water to an on - shore direction . The ...
Página 8
... increased by a wind blowing on - shore , but if the wind - force is great , the tidal wave becomes lost in that due to the wind . As these wavelets break on the shore the particles of water assume a horizontal motion , and the wavelet ...
... increased by a wind blowing on - shore , but if the wind - force is great , the tidal wave becomes lost in that due to the wind . As these wavelets break on the shore the particles of water assume a horizontal motion , and the wavelet ...
Página 9
... increases . Waves moving towards the coast along a shoaling shore show that they feel the effect of the shoaling by altering their shape . The form becomes gradually more abrupt , the crest more raised , the length decreased , the orbit ...
... increases . Waves moving towards the coast along a shoaling shore show that they feel the effect of the shoaling by altering their shape . The form becomes gradually more abrupt , the crest more raised , the length decreased , the orbit ...
Página 10
... increased height . The translatory movement of the particles of water below the wave accounts for substances being thrown , during heavy gales , on to the beach from greater depths than the height of the wave breaking on shore would ...
... increased height . The translatory movement of the particles of water below the wave accounts for substances being thrown , during heavy gales , on to the beach from greater depths than the height of the wave breaking on shore would ...
Página 11
... 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 a long ...
... 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 a long ...
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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 acres alluvium angle bank of shingle basalt beach in front beach material Blackpool boulder clay boulders Bridlington Burton Bradstock carried chalk chalk cliffs channel chert clay coast coast-line composed concrete considerable constructed 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 inches in diameter inland 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 beach 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
Pasajes populares
Página 352 - The Drainage of Fens and Low Lands by Gravitation and Steam Power. By WH Wheeler. 8 plates, 175 pp., 8vo. (1888.) 12s.
Página 286 - Coffin, is an area about three-quarters of a mile long and a quarter of a mile wide, known as "Swampoodle...
Página 239 - They sat them down upon the yellow sand, Between the sun and moon upon the shore; And sweet it was to dream of Fatherland, Of child, and wife and slave; but evermore Most weary seem'd the sea, weary the oar, Weary the wandering fields of barren foam. Then some one said, "We will return no more...
Página 16 - When there is considerable wave motion on the surface of the sea, at a depth at which divers are able to work the water is found to be motionless.
Página 63 - ... very light clayey matter contained in river silt under favourable conditions, there are no grounds for regarding it as exercising the very preponderating influence on the formation of deltas attributed to it by geologists.
Página 152 - Chisil is such, that as often as the wind bloweth strene, at south-est, so often the se betith it, and losith the bank, and breaketh it thorough it. So that if this might continually blow there, this bank should sone be beten away, and the se fully enter, and devide Portland making it an isle, as surely in tymes past it hath beene, as far as I can by any conjecture gather.
Página vii - Engineer in 1899, and is reprinted here with the permission of the editor of that...
Página 280 - Hastings the formations are as much as 200 feet higher on the north than on the south side of the river, whereas at Nininger, which is three miles to the northwest, they are higher south of the river.
Página 11 - Fall, as the crest of some slow-arching wave, Heard in dead night along that table shore, Drops flat, and after the great waters break Whitening for half a league, and thin themselves, Far over sands marbled with moon and cloud, From less and less to nothing...
Página 100 - The wall is 3J/2 miles long, 16 feet wide at the base and 5 feet at the top, which is 17 feet above low tide. The base is protected by granite blocks, extending out 27 feet into the Gulf. The concrete wall is reinforced by steel rods 9 feet long, set obliquely. In the construction of this sea wall, 150,000 tons of concrete, containing over 140,000 barrels of cement, were used...