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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| 0140 |
Southern Tibet : vol.2 |
| 南チベット : vol.2 |
引用情報
OCR読み取り結果
90
north-eastern corner, and one comes from the S.E., but none of them can be iden-
tified with the Tage-tsangpo.
Already three years after his return Richard Strachey had written an important
article: On the Physical Geography of the Provinces of Kumáon and Garhvál in
the Himálaya Mountains, and of the adjoining parts of Tibet.¹ There he ex-
presses the following view of the source of the Indus: 'One of the feeders of the
Indus, but not a principal one, likewise takes its rise a little to the N. of these lakes.
From his brother he had heard that the main supply of water in the upper part of the
Ladak Indus comes from the Sanskar river; the other affluents rise in a much dryer
climate and contain by far less water. Moorcroft had made the same observation.
J. E. Winterbottom regarded the Shayok as more important than the Ladak Indus.
He gives a beautiful description of the grand landscape round the lakes with
the Kailas in the background and as a contrast to the utter desolation of everything.
About the source of the Satlej:² 'A stream, the head of which we visited,
flows from Mánasarowar into Rákas Tál, and the latter occasionally, when high,
sends off a feeder into the Sutlej; the main sources of this river, however, are pos-
ibly in the streams that fall into it from the Himálaya, 10 or 15 miles to the W.
of Rákas Tál.'
The nice little map illustrating the paper gives about the same as his brother's
map mentioned above, Pl. XI. There are three affluents to the Manasarovar and
effluents from both lakes.
Richard Strachey observed the relations between mountain ridges and river
courses, and found that the rivers almost universally flow in directions either parallel
to the general direction of the chain or perpendicular to it. He distinguishes four
different groups of rivers following this law: 1) Those that drain the lower parts
of the mountains. 2) Those that rise immediately to the N. of the great peaks,
passing between them in channels on the whole perpendicular to the chain, for
instance the main affluents of the Ganges, and many of the rivers of Nepal. 3) Those
having a considerable portion of their course parallel to the chain, and then suddenly
turning to the southward issue from it in a direction at right angles to their upper
parts; such are the Satlej and the Chinab. 4) The northern streams, as Indus and
Tsangpo. This question has been dealt with by several geographers and geologists
in recent years.³
Richard Strachey also gives a good description of the course of the Satlej
through the æolian deposits of Guge and Chumurti.⁴
A year later Richard Strachey went viâ the Marshak pass (18,500) to Raj-
hote, visited the pass into Tibet called Tumjun-la (16,500) and went down the river
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381
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393
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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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