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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| 0233 |
On Ancient Central-Asian Tracks : vol.1 |
| 中央アジア踏査記 : vol.1 |
引用情報
OCR読み取り結果
north-east, led necessarily near the one followed by Hedin,
in 1900, in the reverse direction. But there was nothing to
guide us except the position of the ruins as indicated in his
route-map and the compass. A notable change, moreover,
had taken place in the physical aspects of this dismal ground
since Hedin had traversed it from the north. The great
newly formed lagoons in which the waters of the Tarim had in
that year of an exceptional spring flood spread northward,
had since completely dried up. The water of the rare pools
left behind in the salt-encrusted beds of these lagoons was
so salt that in spite of the great cold it had not yet frozen.
By the evening of December 14 we had left the last de-
pression with dead poplars and tamarisks behind us and
camped between high sand-cones covered with hoary tamar-
isk growth. There all the bags of ice brought on the donkeys
were carefully stacked on the north side of the highest sand-
cone to form a depot, and the donkeys sent back in charge
of two extra men. They were then to return from Chainut-
köl and bring up the reserve food-supplies of the labourers.
Starting off again, we passed very soon into that zone of
excessive wind erosion which constitutes so striking a feature
of the northern portion of the Lop desert. It consists of an
endless succession of steep clay banks or terraces, separated
by sharply cut trenches (Fig. 58). These are known to the
Lopliks by the convenient designation of 'Yardangs'. They
have all been carved out by the winds with the help of the
sand which they drive before them and which thus serves
as their instrument of corrosion. These terraces or Yardangs
invariably run from east-north-east to west-south-west and
thus clearly mark the prevailing direction of the strongest
and most persistent winds, which sweep down for the greater
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33
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45
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57
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68
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79
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89
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100
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111
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122
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134
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145
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157
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168
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178
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189
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200
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212
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225
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259
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273
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284
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295
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306
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317
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327
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337
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352
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364
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377
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391
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406
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418
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431
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442
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453
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466
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477
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491
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502
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513
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525
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537
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550
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561
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571
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578
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