Handy Book of MeteorologyWilliam Blackwood, 1868 - 371 páginas |
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Página ix
... hour or hours of observation ; 2. The height of the cistern of the barometer above the sea ; 3 . The latitude and longitude ; 4. The barometer reduced to 32 ° F. , and corrected for instrumental errors , but not corrected for daily ...
... hour or hours of observation ; 2. The height of the cistern of the barometer above the sea ; 3 . The latitude and longitude ; 4. The barometer reduced to 32 ° F. , and corrected for instrumental errors , but not corrected for daily ...
Página x
... hours , it is in- dispensable , in publishing daily observations , to state the hour or hours at which they were made . When this is not done , much confusion and unsatisfactoriness is the result . Sometimes daily barometric means alone ...
... hours , it is in- dispensable , in publishing daily observations , to state the hour or hours at which they were made . When this is not done , much confusion and unsatisfactoriness is the result . Sometimes daily barometric means alone ...
Página 33
... 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 Great Britain by the frequent fluctuations to which the at ...
... 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 Great Britain by the frequent fluctuations to which the at ...
Página 34
... hours . Hence these two hemispheres are in direct contrast to each other in respect of heat , and consequently evaporation , which depends on the temperature . The hemisphere exposed to the sun is warm , and the hemisphere turned in the ...
... hours . Hence these two hemispheres are in direct contrast to each other in respect of heat , and consequently evaporation , which depends on the temperature . The hemisphere exposed to the sun is warm , and the hemisphere turned in the ...
Página 36
... hours . But as the vapour becomes more equally diffused and the air more saturated , evaporation proceeds more languidly ; the air becomes also more expanded by the heat , and flows away to meet the diurnal wave of cold advancing from ...
... hours . But as the vapour becomes more equally diffused and the air more saturated , evaporation proceeds more languidly ; the air becomes also more expanded by the heat , and flows away to meet the diurnal wave of cold advancing from ...
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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 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 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 St Petersburg storm summer temperature terrestrial radiation thermometers tion tropics tube upper currents vapour vols weather wind winter Yakutsk