File:Scottish geographical magazine (1885) (14596750117).jpg

Identifier: scottishgeograph25scotuoft (find matches)
Title: Scottish geographical magazine
Year: 1885 (1880s)
Authors: Scottish Geographical Society Royal Scottish Geographical Society
Subjects: Geography
Publisher: Edinburgh, Royal Scottish Geographical Society
Contributing Library: Robarts - University of Toronto
Digitizing Sponsor: University of Toronto

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interval one comesto a mountain wave much higher than its neighbours. It is thetangential pressure in the Earths crust that has forced those ranges torise, and as the pressure has been stronger in the west, the ranges arehere situated much closer to each other than in the east. They divergefrom the enormous mountain knot of the Pamirs, and the distancebetween them becomes greater and greater to the east. Time does not allow me now to enter upon the interesting questionof a probable Ice-Age in Tibet, the curious distribution of the lakes,most of them being situated near the highest mountains, nor can I givenow an account of the general meteorological and climatological relations—as I know them—the prevailing west and south-west wind being themost conspicuous and characteristic element. I will only say that, sofar as my experience goes, it rains more in the east than in the west, JOURNEYS IN TIBET, 1906-1908. 173 but snows more in the west than in the east,—that is to say, Eastern
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Tibet gets most of its precipitation in summer, Western Tibet in winter. 174 SCOTTISH GEOGRAPHICAL MAGAZINE. The fiuctuatioii of the water stored in kke.s and rivers depends of courseupon the precipitation, and as this is diminishing all the lakes are slowlydrying up, although this ma) be only a periodical phenomenon. Theabundance of grass depends also upon the rain, and as the prosperity ofthe flocks depends upon the grass, and the existence of the nomads, nay,the whole country, depends upon the flocks, every one longs for rain,especially in Julv and August, which is the rainy season. It would be of great interest to draw out on a map the boundaries ofall the self-contained l)asins we knoAv—they form a very curious mosaicon the plateau land, and their exterior boundary is the chief watershedof Tibet, from Avhich the greatest ri^^ers of Asia, except the Siberian andAral rivers, begin. As to the heights, the data we possess are now sonumerous, that it will not be difficult to make a

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