Occasional Papers on the Theory of Glaciers Now First Collected and Chronologically Arranged: With a Prefatory Note on the Recent Progress and Present Aspect of the TheoryA. and C. Black, 1859 - 278 páginas |
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Página 19
... curve ; variations , therefore , not in kind but in degree . The most beautiful structure I have ever met with is in the glacier of La Brenva , in the Allée Blanche , which was one of the earliest I examined this season , and in which I ...
... curve ; variations , therefore , not in kind but in degree . The most beautiful structure I have ever met with is in the glacier of La Brenva , in the Allée Blanche , which was one of the earliest I examined this season , and in which I ...
Página 22
... curves were less acute , or more nearly circular , fig . 5. All glaciers Fig . 5 . do not shew this external evidence of their structure equally , as there are some glaciers which possess the structure itself more developed than others ...
... curves were less acute , or more nearly circular , fig . 5. All glaciers Fig . 5 . do not shew this external evidence of their structure equally , as there are some glaciers which possess the structure itself more developed than others ...
Página 23
... curves described coincides ( by observation ) with the line of swiftest motion . 2. That the bands are least distinct near the centre , for there the difference of velocity of two adjacent stripes parallel to the length of the glacier ...
... curves described coincides ( by observation ) with the line of swiftest motion . 2. That the bands are least distinct near the centre , for there the difference of velocity of two adjacent stripes parallel to the length of the glacier ...
Página 24
... curves become less bent , the structure also vanishes . 5. In the wide saucer - shaped glaciers already spoken of , which descend from mountain - slopes , the velocity being , as in shallow rivers , nearly uniform across their breadth ...
... curves become less bent , the structure also vanishes . 5. In the wide saucer - shaped glaciers already spoken of , which descend from mountain - slopes , the velocity being , as in shallow rivers , nearly uniform across their breadth ...
Página 47
... curve . This is perfectly seen in the case of a substance like plaster of * The following passage from M. Dufrenoy's Account of Vesuvius , is interesting , if it were only as recording his remark , that the variation of velocity in ...
... curve . This is perfectly seen in the case of a substance like plaster of * The following passage from M. Dufrenoy's Account of Vesuvius , is interesting , if it were only as recording his remark , that the variation of velocity in ...
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Términos y frases comunes
ablation Alps analogy angle annual motion appears Arveiron August Balmat bands Bishop of Annecy Brenva cause centre Col du Géant compact congelation continuity convex Courmayeur crevasses curve curved bands daily motion declivity direction dirt-bands effect Etna evidence experiment fact feet fissures fluid friction frontal dip Glace of Chamouni Glacier des Bois glacier motion glacier moves glacier of Bossons Grindelwald horizontal hydrostatic pressure inches inclination internal July lava stream less Letter on Glaciers longitudinal lower marked mass measurement Mer de Glace millimetres Mont Blanc Montanvert moraine motion of glaciers mud-slide nearly névé observations origin parallel particles plane plastic Plate portion pressure produce remarkable retardation rock Saussure Saussure's season side sliding slope snow solid station summer surface Talefre temperature thawing theodolite theory of glaciers tion transverse Travels valley veined structure velocity vertical Vesuvius viscous theory volume whilst winter wrinkles