Articles liés à Introduction to Meteorology (Classic Reprint)

Introduction to Meteorology (Classic Reprint) - Couverture souple

David Purdie Thomson

 
9781330262849: Introduction to Meteorology (Classic Reprint)

Synopsis

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Présentation de l'éditeur

Xll CONTEXTS. CHAPTER III. 44. Solar beams; physical properties. 45. Temperature ;diurnal variations; critical interval. 46. Mensual and annual temperatures. 47. GayL ussac and Biot sA erostatic Voyage. 48. Temperature decreases with altitude. 49. Theory. 50. Loss of heat in passage of solar rays. 51. Rate of depression of thermometer with altitude. 52. Climate. 53. Snow-line within the Tropics. 54. Modifying circumstances. 55. Snow-line in various latitudes. 56. On Volcanoes. 57. Anomaly among the Himmalehs. 58. Explained. 59. A ctinism. .. 36-49 CHAPTER IV. 60. Isothermal lines. 61. I llustrated. 62. Divide the globe into Botanical regions. 63. Mean annual temperature. 64. Remarkably steady. 65. Not materially changed since early ages. 66. Range of temperature ;extreme heat. 67. Extreme cold. 68. Excessive cold may be borne with impunity. 69. Extraordinary heat borne without injury. 70. Effect of intense cold on sound. 71. Provision made by theE squimaux for spending their dreary winters ;effects of cold and want of solar light on the human race. 72. Dangers escaped by a scientific party. 73. Physiological effects of great cold. 74. Antiseptic properties of cold. 75. Poles of maximum cold. 76. Their connexion with the magnetic poles. 77. Hypothesis. 78. I sogeothermol, I sotheral, and Isochimenal lines. 79. Formula for computing mean temperatures; objectionable. 80. Influence of the ocean on climate. 81. Influence of Continents. 82. Historical notices of severe colds. 83. Temperature of theS outhern Hemisphere. 84. Difference explained. 86. Temperature of space. 86. Whence its source. .50- 72 CHAPTER V. 87. Colour of the atmosphere. 88. Saussure sobservations; Cyanometer. 89. Depth of colour and clearness at great altitudes. 90. Tints at sunset; theory. 91. Crepuscular light; coloured shadows. 92. Theory of the colours of the sky universally applicable in
(Typographical errors above are due to OCR software and don't occur in the book.)

Présentation de l'éditeur

Bbfore entering upon the subject of this treatise, a brief sketch of the surface of our globe and of its motions through space, we deem an important and fit introduction. To Physical Geography belongs the full examination of the one, to A stronomy, the investigation of the other. From the time when the earth was first accounted the centre of the universe, till now that it has assumed a very subordinate place among the heavenly bodies, nations have passed away, empires have risen and kingdoms fallen, but the globe remains, unchanged in its magnitude, revolving in endless curves obedient to the fiat of Him who in the beginning created the heaven and the earth. The earth is one of the numerous bodies which revolve round the sun, and though to us, its occupants, it may seem the most important, neither in its magnitude nor in its attendants is it worthy of this distinction. It is distant from that glorious orb 95,000,000 of miles ;upon the 1st of January the distance amounts to 93,410,000 miles, and on the 1st of July to 96,596,000, these being the extremea The form of the earth is spherical, with a slight flattening The mean of the extreme distances is 95,002,500 miles, but that of the twelve monthly distances is 95,023,750 miles.
(Typographical errors above are due to OCR software and don't occur in the book.)

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