A Bibliography, Guide, and Index to Climate

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W. Swan Sonnenschein and Company, 1884 - 449 pages
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Page 16 - ... the inclination of the earth's axis to the plane of the ecliptic, and more remotely upon the variations in that inclination known as precession and nutation.
Page 163 - One general fact relative to situation is, that whatever diminishes the view of the sky, as seen from the exposed body, occasions the quantity of dew, which is formed upon it, to be less than would have occurred if the exposure to the sky had been complete.
Page 203 - ... near the level of the sea) follows the progress of the mean temperature. " The pressure of the aqueous atmosphere, separated from that of the aerial, generally exhibits directly opposite changes to the latter. " Great falls of the barometer are generally accompanied by a temperature above the mean for the season, and great rises by one below the same.
Page 162 - In spring, this circumstance is often prevented from having a considerable effect by the opposite influence of northerly and easterly winds ; but during still and serene nights in autumn dew is almost always highly abundant. In the second place, dew is always very copious...
Page 161 - Dew probably begins in the country to appear upon grass, in places shaded from the sun, during clear and calm weather, soon after the heat of the atmosphere has declined, and continues to be deposited through the whole night, and for a little after sunrise.
Page 162 - ... all the circumstances, which tend to increase the quantity of moisture in the atmosphere, must likewise tend to increase the production of dew. Thus dew, in equally calm and clear nights, is more abundant shortly after rain, than during a long tract of dry weather. It is more abundant, also, throughout Europe, with perhaps a few exceptions, and in some parts of Asia and Africa, during southerly and westerly winds, than during those, which blow from the north and the east.
Page 365 - ... vapour by condensing upon it has made visible. When there is much dust in the air but little vapour condenses on each particle, and they become but little heavier, and easily float in the air. If there are few dust specks each gets more vapour, is heavier, and falls more quickly. These experiments were repeated with an air-pump, a little water being placed in the receiver to saturate the air. The air was then cooled by slightly reducing the pressure. When this is done with unfiltered air a dense...
Page 374 - THERE lies a vale in Ida, lovelier Than all the valleys of Ionian hills. The swimming vapour slopes athwart the glen, Puts forth an arm, and creeps from pine to pine. And loiters, slowly drawn. On either hand The lawns and meadow-ledges midway down Hang rich in flowers, and far below them roars The long brook falling thro' the clov'n ravine In cataract after cataract to the sea.
Page 176 - ... as rain. (2) Select a place where the snow has not drifted, invert the funnel, and turning it round, lift and melt what is enclosed.
Page 205 - ... but in making this estimate, regard must be had to the time of day at which the observation is made. In- settled weather the dryness of the air increases with the diurnal heat, and diminishes with its decline; for the constituent temperature of the vapour remains nearly stationary. Consequently, a less difference at morning or evening is equivalent to a greater in the middle of the day. But to render the observation most completely prospective, regard must be had at the same time to the movement...

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