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Parole e frasi comuniair temperature altitude amount annual anticyclones argon atmosphere average barometer carbon dioxide cause cent Chart circulation climate cloud coast cold cold waves condensation cooling Cranmoor curves cyclones decrease depth direction distribution diurnal dust dust-motes earth earth's atmosphere effect elevation equator fall feet free air freezing frost gases gradient greater height helium horizontal humidity hydrogen inches increase insolation isobars isothermal January land latitude less light lower maximum mercury meridian meteorological meters miles minimum moisture molecules mountain night northern observations occur ocean oxygen ozone particles perature plane Pole pressure quantity radiation rain rainfall range rays region sea level season shown shows snow soil solar solar constant southern hemisphere specific heat stations storm stratum summer sun's surface temperature thermometer tion tropics tube upper variations velocity vertical volume vortex warm water vapor waves Weather Bureau wind winter Brani popolariPagina 138 - These tendencies are combined together, and cause the trade-winds to blow from the NorthEast in the northern hemisphere, and from the South-East in the southern hemisphere. The... Pagina 13 - On the escape of gases from planetary atmospheres according to the kinetic theory. Pagina 347 - Extract from Preface. SIGHT : An Exposition of the Principles of Monocular and Binocular Vision. By JOSEPH LE CONTE, LL. D., author of "Elements of Geology"; "Religion and Science"; and Professor of Geology and Natural History in the University of California. Pagina 40 - ... of miles, and if by some means the whole of the solar radiation could be concentrated upon this column, it would be melted in one second of time, and in between seven and eight seconds more would be dissipated in vapor. To maintain such a development of heat by combustion would require the hourly burning of a layer of the best anthracite coal from... Pagina 258 - Today it is applied to the sum of the atmospheric conditions as recorded for a long period of time; or, in other words, it is the totality of weather, while " weather " is the physical condition of the atmosphere at a given time, or during a limited period. Pagina 258 - By climate we mean the sum total of the meteorological phenomena that characterize the average condition of the atmosphere at any one place on the earth's surface. That which we call weather is only one phase in the succession of phenomena whose complete cycle, recurring with greater or less uniformity every year, constitutes the climate of any locality. Pagina 49 - In general, the plane determined by an incident ray and the normal to the surface at the point of incidence is called the plane of incidence. Pagina 269 - To this interrogatory reply must be made that the ideal climate as regards equability of temperature and absence of moisture does not exist in the United States, but that the nearest approach to it will be found in the great Southwest. The temperature of the Southwest is not equable in the sense of having an extremely small daily range, but it possesses the quality of annual uniformity in a greater degree than will generally be found elsewhere except on the seacoast, and there the humidity is great.... Pagina 269 - ... the greater the range of temperature from day to night. While a high summer temperature is characteristic of the Southwest and other portions of the Rocky Mountain Plateau, it is a fact that the sensation of heat as experienced by animal life there is not accurately measured by the ordinary thermometer. The sensation of temperature which we usually refer to the condition of the atmosphere depends not only on the temperature of the air, but also on its dryness and the velocity of the wind. Informazioni bibliografiche
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