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 ix
... Force of impact CHAPTER III LITTORAL DRIFT . Classifications of drift - Source of supply - Present contour of sea ... Forces operating on- Effect of walls on the beach - Strength of — Height - Material for facing -Timber walls 7 22 22 79 ...
... Force of impact CHAPTER III LITTORAL DRIFT . Classifications of drift - Source of supply - Present contour of sea ... Forces operating on- Effect of walls on the beach - Strength of — Height - Material for facing -Timber walls 7 22 22 79 ...
Página 3
... forces in operation causing the destruction of the cliffs and the denudation of material from the shore . ( 2 ) The way in which these forces operate . ( 3 ) The source of supply of material composing beaches ; the different classes of ...
... forces in operation causing the destruction of the cliffs and the denudation of material from the shore . ( 2 ) The way in which these forces operate . ( 3 ) The source of supply of material composing beaches ; the different classes of ...
Página 4
... force of the waves which beat against a cliff or sea- wall and cause destruction is governed by the depth of the water on the beach in front of them , it is obvious that the most effective means of protection is the maintenance of the ...
... force of the waves which beat against a cliff or sea- wall and cause destruction is governed by the depth of the water on the beach in front of them , it is obvious that the most effective means of protection is the maintenance of the ...
Página 8
... 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 becomes a vehicle for the transmission of mechanical force ...
... 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 becomes a vehicle for the transmission of mechanical force ...
Página 9
... force of gravity . These two motions take place within a defined orbit , the limit of which is regulated by the force of the wind which produces the undulation and the depth of the water in which it takes place . The particles of water ...
... force of gravity . These two motions take place within a defined orbit , the limit of which is regulated by the force of the wind which produces the undulation and the depth of the water in which it takes place . The particles of water ...
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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...