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0202 The Pulse of Asia : vol.1
アジアの鼓動 : vol.1
The Pulse of Asia : vol.1 / 202 ページ(カラー画像)

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doi: 10.20676/00000233
引用形式選択: Chicago | APA | Harvard | IEEE

OCR読み取り結果

brown or gray in color, and causing the sun, though bright
and hot at noon, to fade into a molten ball and finally disap-
pear an hour or more before sunset. Everywhere we found
drifts of sand and deposits of loess half dissected by the
wind. Evidently, at no remote date this region near the base
of the mountains, at an elevation of seven or eight thousand
feet, was more thickly covered with vegetation, so that loess
could accumulate as it still does three or four thousand feet
higher up among the moraines and grassy slopes of what
may be called the loess-pasture zone. Within a few hundred
or at most a few thousand years, there appears to have been
such a change of climate that the vegetation has largely
died, and the former region of æolian deposition has been
changed to one of erosion.

Puski proved to be like Sanju, a fair green ribbon lying
on two low terraces of loess beside a swift stream flowing in
a broad flood-plain of cobblestones. On either side rise the
low desert foothills; to the south, the mountains rise higher,
and the stream is confined to a narrow gorge; while to the
north, the vast naked beach of the zone of piedmont gravel
slopes gently to the zone of vegetation. It took us a day
to cross the gravel between Puski and Zanguya, the first
town in the zone of vegetation. We grew sleepy in riding
over the hot, monotonous plain. There was nothing to look
at except pebbles, wonderfully smoothed and faceted by
wind-blown sand, or dense columns of whirling dust, thirty
or forty feet in diameter at the base and rising to a height
of hundreds or thousands of feet, where they spread out
after the manner of thunder-clouds. Twice I counted be-
tween twenty and thirty dust-whirls visible at one time, and