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. |
Dentro del libro
Resultados 1-5 de 60
Página 8
... reach the low - water line . Observations of the flowing or ebbing tide , on even the flattest beach , will show that when there is an entire absence of wind or other disturbing cause , the rise and fall of the tide is not effected by a ...
... reach the low - water line . Observations of the flowing or ebbing tide , on even the flattest beach , will show that when there is an entire absence of wind or other disturbing cause , the rise and fall of the tide is not effected by a ...
Página 12
... reaches water the depth of which in repose is only equal to 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 ...
... reaches water the depth of which in repose is only equal to 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 ...
Página 15
... reaches from fifteen to twenty in a minute . As already stated , any disturbance of the water caused by wave - action rapidly dies out as the depth below the trough of the wave increases . The depth to which the agitation extends is in ...
... reaches from fifteen to twenty in a minute . As already stated , any disturbance of the water caused by wave - action rapidly dies out as the depth below the trough of the wave increases . The depth to which the agitation extends is in ...
Página 22
... reach of wave - action.1 Although shingle and sand have accumulated in some places in great and apparently unlimited quantities , it must be borne in mind that these accumulations are the product of a vast period of time , and that the ...
... reach of wave - action.1 Although shingle and sand have accumulated in some places in great and apparently unlimited quantities , it must be borne in mind that these accumulations are the product of a vast period of time , and that the ...
Página 36
... pebbles with which it comes in contact , and at the same time pushing upward those that lie above the point to which the water reaches . The pebbles in their movement are actuated by the momentum 36 THE SEA - COAST .
... pebbles with which it comes in contact , and at the same time pushing upward those that lie above the point to which the water reaches . The pebbles in their movement are actuated by the momentum 36 THE SEA - COAST .
Otras ediciones - Ver todas
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...