A Handy Book of MeteorologyWilliam Blackwood, 1868 - 371 páginas |
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Página 33
... tropics is so remarkable that , according to Humboldt , the hour may be ascertained from the height of the barometer without an error of more than 15 or 17 minutes on the aver- age . This horary oscillation of the barometer is masked in ...
... tropics is so remarkable that , according to Humboldt , the hour may be ascertained from the height of the barometer without an error of more than 15 or 17 minutes on the aver- age . This horary oscillation of the barometer is masked in ...
Página 53
... of the equator - passing completely round the globe as broad belts of high pressure . They enclose between them the low pressure of the tropics , through the centre of which runs a narrower belt of ITS DISTRIBUTION OVER THE GLOBE . 53.
... of the equator - passing completely round the globe as broad belts of high pressure . They enclose between them the low pressure of the tropics , through the centre of which runs a narrower belt of ITS DISTRIBUTION OVER THE GLOBE . 53.
Página 66
... , or just before its rays had begun to heat the air ; but observation is unani- mous in showing that the minimum happens some time before the sun rises . Within the tropics , and 66 TEMPERATURE , HOW OBSERVED AND CALCULATED .
... , or just before its rays had begun to heat the air ; but observation is unani- mous in showing that the minimum happens some time before the sun rises . Within the tropics , and 66 TEMPERATURE , HOW OBSERVED AND CALCULATED .
Página 67
... tropics , and in temperate regions during winter - in other words , where the daily range of temperature is small - the maximum temperature occurs about an hour and a half after the sun has passed the meridian at noon . But in temperate ...
... tropics , and in temperate regions during winter - in other words , where the daily range of temperature is small - the maximum temperature occurs about an hour and a half after the sun has passed the meridian at noon . But in temperate ...
Página 78
... tropics and polar regions ; and greatest in dry climates and in temperate countries . Hence it is less in Ireland than in Scotland , greater in England than in both these countries , and still greater on the continent of Europe . In ...
... tropics and polar regions ; and greatest in dry climates and in temperate countries . Hence it is less in Ireland than in Scotland , greater in England than in both these countries , and still greater on the continent of Europe . In ...
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Palavras e frases frequentes
America antisolar point ascending Asia Atlantic atmospheric pressure average barometer blow Britain calm causes centre charts cirrus cirrus cloud cistern climate cloud coast cold colder column condensed continent Crown 8vo daily dew-point diminished direction dry air earth earth's surface east Edition electricity equator equatorial current Europe evaporation falls Fcap feet flow force globe greater heat height hemisphere Hence high pressure higher hour humidity hygrometer Iceland inch of mercury inches increase Indian Ocean isobarometric lines January John Herschel July latitudes low pressure lower Mauritius maximum mean temperature mercury Meteorological meter miles minimum moisture monsoon months northern northern hemisphere Norway observations occur ocean Orkney perature Plate polar current polarisation prevail Professor rain rainfall regions rises round Scotland season snow soil south-west St Petersburg storms summer temperature thermometers tion tropics tube upper currents vapour vols weather wind winter Yakutsk