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V.—Note on the Growth of Lake Geneva

Published online by Cambridge University Press:  01 May 2009

Charles Davison
Affiliation:
King Edward's High School, Birmingham.

Extract

Though the observations described in this note are not conclusive, they seem to me to show that the lake of Geneva is probably growing at the present time, and that a similar growth, if taking place beneath an ice-covering on nearly level ground, would in time produce a true rock-basin. Unfortunately, the instruments used were very delicate levels, and experiments with such instruments prove that they are not to be trusted entirely for measurements of very small angles continued over a long interval of time.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1893

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References

page 454 note 1 See ProfJudd's, paper “On the Origin of Lake Balaton, in Hungary,” Geol. Mag. Vol. III. 1876, p. 12.Google Scholar

page 454 note 2 If similar observations were made for a few years in different parts of Switzerland with a suitable instrument, such as the horizontal pendulum of Dr. E. von Rebeur Paschwitz, or the bifilar pendulum of Mr. Horace Darwin, the labour and money spent would meet with a rich reward. In this country observations of great interest might be made near the north-east end of Loch Ness, say at Aldourie or Dores.

page 454 note 3 Phil. Mag. vol. xivii. 1889, pp. 189199.Google Scholar

page 455 note 1 If this rate were to continue uniform, a change of inclination of ten degrees would be produced in 23,684 years. The rate is, however, probably greater than this; for, since the ground slopes in a direction south of east, movements in this direction affect the inclination of the N.S. level.