Modern Meteorology: A Series of Six Lectures Delivered Under the Auspices of the Meteorological Society in 1878 ...E. Stanford, 1879 - 186 Seiten |
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Modern Meteorology: A Series of Six Lectures Delivered Under the Auspices of ... John Knox Laughton,William Clement Ley,George James Symons Keine Leseprobe verfügbar - 2016 |
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Beliebte Passagen
Seite 156 - ... the six-leaved type. Nature seemed determined to make us some compensation for the loss of all prospect, and thus showered down upon us those lovely blossoms of the frost; and had a spirit of the mountain inquired my choice, the view, or the frozen flowers, I should have hesitated before giving...
Seite 44 - June (ie the northern, see art. 362); and the fact is so explained by him. The effect of land under sunshine is to throw heat into the general atmosphere, and so distribute it by the carrying power of the latter over the whole earth. Water is much less effective in this respect, the heat penetrating its depths, and being there absorbed ; so that the surface never acquires a very elevated temperature even under the equator.
Seite 44 - ... the sun in December, is, however, due to a totally different and very powerful cause, — the greater amount of land in that hemisphere which has its summer solstice in June (ie the northern, see art. 362) ; and the fact is so explained by him. The effect of land...
Seite 55 - ... 45° to 38°, almost rival in luxuriance those of the glowing intertropical regions. Stately trees of many kinds, with smooth and highly coloured barks, are loaded by parasitical monocotyledonous plants ; large and elegant ferns are numerous, and arborescent grasses entwine the trees into one entangled mass to the height of thirty or forty feet above the ground. Palm-trees grow in lat 37°...
Seite 54 - The climate of Western Patagonia," says Admiral Fitzroy, " is so disagreeable, that the country is almost uninhabitable. Clouds, wind, and rain are continual in their annoyance. Perhaps there are not ten days in the year on which rain does not fall, and not thirty on which the wind does not blow strongly ; yet the air is mild, and the temperature surprisingly uniform throughout the year.
Seite 167 - ... by the horizon of his station and the power of his telescope. But in meteorology the case is widely different. The phenomena are not the same at two different points of observation. The temperature of the air and the motion of the wind in the street outside...
Seite 156 - Let us imagine the eye gifted with a microscopic power sufficient to enable it to see the molecules which composed these starry crystals ; to observe the solid nucleus formed and floating in the air ; to see it drawing towards it its allied atoms, and these arranging themselves as if they moved to music, and ended by rendering that music concrete.
Seite 167 - Secondly, the observations we make of the physical state of the air are affected to such a degree by local accidents, such as the elevation, contour, and slope of the ground, its nearness to the sea, and even the character of the soil, that we meet with considerable variations of meteorological circumstances even within the limits of a single county. In this respect meteorology affords a strong contrast to astronomy.
Seite 42 - British thermal unit is the quantity of heat necessary to raise the temperature of 1 Ib.
Seite 185 - Had we, a quarter of a century ago, known the rigour of the Crimean climate, who would have dared to have sent out an army unprepared to meet the hardships of a Black Sea winter ? Ask the physician at what price he would value the power of giving timely warning of the coming of a " cold snap