Climate and Time in Their Geological Relations: A Theory of Secular Changes of the Earth's ClimateAppleton, 1890 - 577 páginas |
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Página xvi
... MOLECULAR THEORY . Present State of the Question . - Heat necessary to the Motion of a Glacier . -Ice does not shear ... Molecules a Cause of Motion . - Internal molecular Pressure the chief Moving Power . - How Ice can excavate a Rock ...
... MOLECULAR THEORY . Present State of the Question . - Heat necessary to the Motion of a Glacier . -Ice does not shear ... Molecules a Cause of Motion . - Internal molecular Pressure the chief Moving Power . - How Ice can excavate a Rock ...
Página 22
... molecular theory of glacier motion -- a theory which I have been led to modify considerably on one particular point . There is one point to which I wish particularly to direct attention — viz . , that I have studiously avoided ...
... molecular theory of glacier motion -- a theory which I have been led to modify considerably on one particular point . There is one point to which I wish particularly to direct attention — viz . , that I have studiously avoided ...
Página 60
... molecules separate against the forces of cohesion binding them together into the solid form . No matter what the inten- sity of the sun's heat may be , the surface of the ground will remain permanently at 32 ° so long as the snow and ...
... molecules separate against the forces of cohesion binding them together into the solid form . No matter what the inten- sity of the sun's heat may be , the surface of the ground will remain permanently at 32 ° so long as the snow and ...
Página 99
... molecules that are specific- ally heavier descend and displace those that are specifically lighter . If , for example , the ocean at the equator be expanded by heat or by any other cause , it will be forced by the denser waters in ...
... molecules that are specific- ally heavier descend and displace those that are specifically lighter . If , for example , the ocean at the equator be expanded by heat or by any other cause , it will be forced by the denser waters in ...
Página 100
... molecules will not be in equilibrium . The molecules at the surface in this case may be regarded as lying on an inclined plane sloping from the equator down to the poles , and as these molecules are at liberty to move they will not ...
... molecules will not be in equilibrium . The molecules at the surface in this case may be regarded as lying on an inclined plane sloping from the equator down to the poles , and as these molecules are at liberty to move they will not ...
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Términos y frases comunes
amount of heat antarctic aphelion arctic regions Atlantic beds bottom boulder clay Caithness Carboniferous cause consequently considerable density denudation deposits depth descend difference of specific difference of temperature earth's orbit eccentricity ecliptic effect Eocene equal equator equatorial column equatorial regions evidence extent fact feet flow foot-pounds force Geol geological geologists glacial epoch glacier globe Grangemouth greater Greenland Gulf-stream heat received ice-cap icebergs inter-tropical John Herschel land land-ice latitude lower mass mean temperature melting miles Miocene molecules motion North North Sea northern obliquity ocean-currents oceanic circulation perihelion polar column polar regions poles present probably produce Professor quantity of heat radiation regard result river rocks sand Scotland sea-bottom sea-level shear slope snow and ice southern hemisphere specific gravity Straits of Florida stratified stream striated submergence summer sun's supposed surface theory thickness tion tropical warm periods warm water winds winter