国立情報学研究所 - ディジタル・シルクロード・プロジェクト
『東洋文庫所蔵』貴重書デジタルアーカイブ
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ページ番号 -
書誌情報（メタデータ） -
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白黒高解像度画像 -
見開きページ -
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| 0127 |
Southern Tibet : vol.2 |
| 南チベット : vol.2 |
引用情報
OCR読み取り結果
there is no trace on his map. The part of the country where the river is situated
is crossed by a very distinct mountain range starting from the Gurla range and
stretching N.E. Everybody who, from the Gossul-gompa, has looked over the lake
and the country beyond, will easily understand this mistake.
Although he did not see any superficial water running from the Rakas-tal to
form the upper Satlej, he has, on his map, entered that river as starting from the
lake. To both lakes he gives a height of 15,250 feet, which is very near the
correct height.
Strachey has written a special article: Explanation of the elevations of places
between Almorah and Gangri,¹ on which we do not need to enter as the heights
given have now lost their value. To the map, of which only a part accompanies
his paper, he adds an article under the title: Note on the construction of the Map
of the British Himalayan Frontier in Kumaon and Garhwâl.²
Some five years later Henry Strachey published his classical monograph:
Physical Geography of Western Tibet.³ Here he expresses some perfectly correct
views regarding the West-Tibetan rivers in general. Neither the length of the course
nor the area of the basin is any sure index to the volume of water. Much more
depends upon the position of the sources as regards snow. As the Indian Hima-
laya has a much greater quantity of snow, the southern rivers are incomparably
fuller than those farther north. Therefore he believes that for instance the Singi-
tsangpo, after a course of more than 400 miles, scarcely exceeds in volume the upper
part of the Lungnak river not 50 miles from its farthest sources. The discharge of
the Sanskar river, after running only 200 miles may be tenfold of the water brought
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83
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95
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109
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144
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155
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167
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269
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289
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305
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323
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334
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345
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356
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367
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381
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393
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403
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415
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428
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445
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461
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473
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487
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503
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517
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532
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