 | 1874 - 792 페이지
...The Viscous Theory, principally advocated by Professor Forbes, who describes his views thus : — " A glacier is an imperfect fluid, or viscous body,...is urged down slopes of certain inclination by the natural pressure of its parts." A viscous body is one which occupies an intermediate state between... | |
 | John Holmes Agnew, Walter Hilliard Bidwell, Henry T. Steele - 1874 - 810 페이지
...measurements, settles the matter to the satisfaction of the scientific world. He established the fact that ' a glacier is an imperfect fluid, or viscous body,...is urged down slopes of certain inclination by the natural pressure of its parts.' The Mer de Glace above Chamouni, which was the scene of Forbes's explorations,... | |
 | Robert Brown - 1876 - 362 페이지
...are still xuli jndice. Among these must be taken the theory of Forbes, who looks upon a glacier as an "imperfect fluid or viscous body which is urged down slopes of a certain inclination by the mutual pressure of its parts." According to this eminent Alpine observer,... | |
 | Richard Brown - 1880 - 164 페이지
...in the crevices which intersect it in all directions. Briefly, in the words of Professor Forbes, ' a glacier is an imperfect fluid, or viscous body,...is urged down slopes of certain inclination by the natural pressure of its parts.' As the whole of Greenland — a region truly continental in its dimensions... | |
 | Joyce Emmerson Muddock - 1882 - 486 페이지
...body, having such a property, the term rigidity. The late Principal Forbes held that glacier ice was " an imperfect fluid or viscous body, which is urged down slopes of a certain inclination by the mutual pressure of its parts." This has been called the viscous theory,... | |
 | Nova Scotian Institute of Science, Halifax - 1885 - 154 페이지
...fissures, tending to urge the glacier onwards. 3. Then there is that of Professor Forbes, viz : — A glacier is an imperfect fluid or viscous body which is urged down slopes of a certain inclination by the mutual pressure of its parts. The Encyclopedia Britannica, after giving... | |
 | William T. Jeans - 1887 - 356 페이지
...on glaciers at that time was Professor JD Forbes, of Edinburgh University, who in 1842 declared that a "glacier is an imperfect fluid or viscous body, which is urged down slopes of a certain inclination by the mutual pressure of its parts," and who detected in glaciers a veined structure... | |
 | Joyce Emmerson Muddock - 1887 - 532 페이지
...body, having such a property, the term rigidity. The late Principal Forbes held that glacier ice was " an imperfect fluid or viscous body, which is urged down slopes of a certain inclination by the mutual pressure of its parts." This has been called the viscous theory,... | |
 | Nova Scotian Institute of Natural Science - 1886 - 372 페이지
...fissures, tending to urge the glacier onwards. 3. Then there is that of Professor Forbes, viz : — A glacier is an imperfect fluid or viscous body which is urged down slopes of a certain inclination by the mutual pressure of its parts. The Encyclopedia Britannica, after giving... | |
 | Nova Scotian Institute of Natural Science - 1879 - 510 페이지
...fissures, tending to urge the glacier onwards. 3. Then there is that of Professor Forbes, viz : — A glacier is an imperfect fluid or viscous body which is urged down slopes of a certain inclination by the mutual pressure of its parts. The Encyclopedia Britannica, after giving... | |
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A glacier is an imperfect fluid, or viscous body, which is urged down slopes of certain inclination by the mutual pressure of its parts. 
