IIIFカラー高解像度
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
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| IIIFカラー高解像度 |
| Southern Tibet : vol.4 | |
| 南チベット : vol.4 |
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引用情報
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the bottom of the valley, there is often excellent grass. Hares are the only animals we see. For a short distance, the road goes on the top of the lowest terrace where the ground is gravel. On the left side, is a red hill called Mapcha-tibu, in the vicinity of which, a little lake or pool is said to exist. Having passed two empty shepherds' camps, we again go down from the terrace. A little farther on, we camp at a place where the Satlej is divided into two branches, and the region is called Tertapuri-shung. 1 Opposite this place, a left tributary valley called Tara-kungyok, enters the Satlej. Yitumn and Karpo - ninde are said to be regions to the S. W. At our camp, an abundant spring of limpid water came up from several openings on the right bank and carried perhaps 4 cub. m. per second. Its temperature was 11.55°, whereas the river, above the spring, was 16.25°.
On August ist, we travelled i 2 km. N. W. and W. N. W. on the right or northern side of the Satlej, the ground falling 87 m. or to 4,345 m. at Camp CCCCLX, being at a rate of 1:138. It rained hard the whole night; in the morning, there was no precipitation ; before 1 o o'clock a. m., it begain again and continued except for one hour; from 1 to 3 o'clock p. m. it rained very hard. I got a good illustration of the summer rains in the Himalayas and how they fill the beds of rivers . and brooks with muddy water, making journeys in these regions somewhat difficult.
Only a few hundred meters below Camp CCCCLIX, the Sallej enters, to the N. 70° W., a very narrow rocky gate with steep sides, which forces us to ascend the right terrace, here about 5o m. high. After a few minutes, we find that the terrace is pierced by a valley coming from N. 46° E. and called Tokôo-shär. On its floor, the greyish yellow and winding river of that name is streaming with great noise and roar, and on its sides, the bottom of the valley is partly filled with gravel, partly overgrown with good grass. We descended again from the terrace. The river was divided into three branches and the maximum depth was exactly 1 m.
I made an approximate calculation of the volume. The first branch had a breadth of 7 m., an average depth of 0.3 m., and an average velocity of 1 m., the volume being 2.1 cub. m. per second. The second branch had a breadth of 2 2 m., an average depth of o.s m. and an average velocity of Ls m., the volume being i 6.s cub. m. per second. The third branch was 1 i m. broad, had an average depth of 0.4 m. and an average velocity of i .6 m., the volume thus being 8.3 cub. m. per second. The whole volume of the river was, therefore, 2 6.9 cub. m. per second, showing the influence of the last rains on the dimensions of Tokho-shär.
On the other side, we had again to ascend the 5o m. terrace, but here we had an older terrace to the right, being some 1 o m. higher. Two or three dry
FROM MANASAROVAR TO THE SHIB RIVER.
I The correct spelling would be Tirthapuri, but I have used the pronunciation I heard at the place. Therefore, I have also Tretapuri (not Tertaprri) for Camp CCCCLX.
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