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0420 The Pulse of Asia : vol.1
アジアの鼓動 : vol.1
The Pulse of Asia : vol.1 / 420 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

they would still have to meet the losses incident to a course
of nearly four hundred miles through the sandy desert with-
out reinforcement from tributaries before reaching the Cas-
pian. On the way, they would have to maintain a lake in
the depression of Sari-Kamish (Yellow-Reeds), which lies
in the course of the old Uz-boi channel, for its bottom is
fifty feet below the level of the Caspian Sea. Having met
all the losses, the united streams would by no means be able
to add 26,000 square miles to the water-spread of the Cas-
pian. The inferred expansion, however, amounted to far
more than this. Apparently, we must either disregard the
ancient authorities entirely, or else admit a change of cli-
mate. The climatic hypothesis is supported not only by the
agreement of the phenomena of the Caspian with those of
distant regions, but by the fact that ruins such as those of
Merv and Bal Kuwi, which are now inadequately supplied
with water, appear to be typical of many in the Aralo-Cas-
pian basin, where streams have diminished in size during
historic times.

Returning once more to our investigation of the varying
level of the Caspian Sea, we find a surprising change between
the conditions in the first century of the Christian era and
those of four or five centuries later. Near the beginning of
our era, the trade route from Europe to India altered its
course, as did the one from China to the West. It ceased
to go up the Oxus, perhaps because the Caspian had so far
contracted that the river no longer reached that sea, but fell
into the now isolated Sea of Aral. The new route crossed
from the mouth of the Cyrus River to the southwest corner
of the Caspian, where in time there grew up a flourishing