Elementary MeteorologyK. Paul, Trench & Company, 1898 - 410 pagini |
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Pagina xii
... fall of the barometer , 248 ; of the reduced pressure near the South Pole , 251 . Relation of wind to pressure , 253. Buys Ballot's Law , 255 . Explanation of isobaric charts , 255 . PAGB . 288 XIV . THE PREVAILING WINDS . The permanent ...
... fall of the barometer , 248 ; of the reduced pressure near the South Pole , 251 . Relation of wind to pressure , 253. Buys Ballot's Law , 255 . Explanation of isobaric charts , 255 . PAGB . 288 XIV . THE PREVAILING WINDS . The permanent ...
Pagina xiii
... fall , 329 . Seasonal distribution of rains , 330. Winter rains , 331 . Summer rains , 331. Rain of the British Isles , 332 . Rain probability , 334. For the British Isles , 334. For Europe generally , 336 . XVII . CLIMATE Zones of ...
... fall , 329 . Seasonal distribution of rains , 330. Winter rains , 331 . Summer rains , 331. Rain of the British Isles , 332 . Rain probability , 334. For the British Isles , 334. For Europe generally , 336 . XVII . CLIMATE Zones of ...
Pagina 33
... fall . A lamp is placed before the instrument , and a photograph of the space occupied by the air- bubble is taken on prepared paper , stretched on a drum , and caused to revolve at a fixed rate . Another form of photographic ...
... fall . A lamp is placed before the instrument , and a photograph of the space occupied by the air- bubble is taken on prepared paper , stretched on a drum , and caused to revolve at a fixed rate . Another form of photographic ...
Pagina 44
... fall on the middle days of the months - but occur on other days , so that the curve drawn from ordinates representing the twelve monthly means does not coincide closely with that drawn from the 75 five - day , and much less with that ...
... fall on the middle days of the months - but occur on other days , so that the curve drawn from ordinates representing the twelve monthly means does not coincide closely with that drawn from the 75 five - day , and much less with that ...
Pagina 50
... fall , and if that fell the mass of the earth would grow colder and would contract . Now the effect of any contraction would be to make the earth revolve more quickly on its axis , or to make the day shorter . Astronomers , however ...
... fall , and if that fell the mass of the earth would grow colder and would contract . Now the effect of any contraction would be to make the earth revolve more quickly on its axis , or to make the day shorter . Astronomers , however ...
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Termeni și expresii frecvente
action America amount anemometers anti-cyclones appears Arctic Atlantic atmosphere atmospherical circulation barometer blows bulb calm Cape changes Chapter circle circles of latitude climate cloud coast cold column condensation continents curve direction diurnal earth east Easterly eastern electricity equator equatorial evaporation fact fall feet gauge globe Gulf Stream heat height high latitudes hygrometer inches Indian Ocean instrument isobars isotherm isothermal charts January July land latent heat lightning lower lowest mean temperature mercury Meteorological miles moisture Monsoon month motion mountain North northern observations Pacific pass perature phenomena phenomenon Plate pressure produced radiation rain rainfall range readings region rise round scale Siberia side snow South South-east southern hemisphere stations storms strata stratum summer surface temperature thermometer thunderstorms tion Trade wind tropical tube upper vapour velocity warm weather Westerly western winter zone
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Pagina 201 - Can you explain this omen? Phys. A rainbow can only occur when the clouds containing or depositing the rain are opposite to the sun — and in the evening the rainbow is in the east, and in the morning in the west; and as our heavy rains, in this climate, are usually brought by the westerly...
Pagina 366 - I have never been able to conceive, that the wind in violent storms moves only in circles. On the contrary, a vortical movement, approaching to that which may be seen in all lesser vortices, aerial or aqueous, appears to be an essential element of their violent and long continued action, of their increased energy towards the centre or axis, and of the accompanying rain.
Pagina 187 - Curvature. — The rod should not be bent abruptly round sharp corners. In no case should the length of the rod between two points be more than half as long again as the straight line joining them. Where a string course or other projecting stone work will admit of it, the rod may be carried straight through, instead of round the projection.
Pagina 188 - It is essential that the lower extremity of the conductor be buried in permanently damp soil; hence proximity to rain-water pipes, and to drains, is desirable. It is a very good plan to make the conductor bifurcate close below the surface of the ground, and adopt two of the following methods for securing the escape of the lightning into the earth. A strip of copper tape may be led from the bottom of the rod to the nearest gas or water main — not merely to a lead pipe...
Pagina 65 - The height of the column in the tube above the level of the mercury in the cistern is measured by means of a graduated scale placed beside it.