National Institute of Informatics - Digital Silk Road Project
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Scientific Results of a Journey in Central Asia, 1899-1902 : vol.1 |
Tugha-pangsa-jokarki-baschi, October 12. | |
Toghri-kum, October 13. |
FROM KURUK-ASTI TO THE CONFLUENCE OF THE KODAJ-DARJA. 51
adverted to above. There we found four shepherds dwelling, in charge of 800 sheep, belonging to bajs of the villages situated on the great Ak-su highway. In an exceptionally regularly formed loop — a part of it indeed described a perfect circle — in the district of Tugha-pangsa-jokarki-baschi, or »The Upper End of the Camels' Grazing-grounds», we again measured the river. The breadth was 54.25 m., the mean depth 0.588 m., the mean velocity 0.5699 m. in the second, and the volume i 8.18 cub. m. in the second.
/70
Fig. 61. Left. 0.50 0.88 0.75 0.8x = depth. Right.
62 1 velocity.
69
Breadth = 54.25 m. Tugha-pangsa-jokarki-baschi, October 12. Scale r : 52o.
October 13th. The drop in 1 2 hours was 1.4 cm.; the transparency, 38.3 cm. In this part of its course the river was more sinuous than it had ever been before. Once we spent 3r/2 hours in circumnavigating a loop, and at the end of that time found we had only advanced a matter of a couple of hundred meters. Forest still continued to alternate with steppe. A double loop that we threaded bore the name of Kirk-kischlak, or the »Forty Camps». At Toghri-kum, or the »Straight Sand», on the left bank, there are sand-dunes of considerable height, overgrown with vegetation; and here the Jarkent-darja is joined by a branch of the Kodaj-darja, though it had been dry since the previous year, and its mouth was then completely stopped up by the sand and sedimentary matter which the Jarkent-darja had discharged into it during the period of high water. The course of the old stream was, however, plainly indicated by the open passage-way it has cut through the forest. But although the water forces its way into its lower part from the Jarkent-darja at the season of high flood, it does not penetrate any great way up. The distance between Toghri-kum and the station of Tschadir-köl on the great Ak-su caravan-road is reported to be about 24 km., and the direction N.IO°W. The intervening stretch of country is crossed by two branches of the Kodaj-darja, and at a place called Kengrak-örtäng by the above-mentioned ancient highway, as well as by the Karajilgha-darja. This last derives its water partly from the Kodaj-darja and partly from the Kaschgar-darja; and it is upon it that the station of Tschadir-köl is situated.
At Toghri-kum the river was 54.10 m. broad, and had a mean depth of 0.728 m., a mean velocity of 0.4894 m. in the second, and a volume of 19.28 cub. m. per second.
Fig. 62. Left. 0.48 0.65 0.8o r.:z 1.32 = depth. Right.
42 53 52 6o 58 tvelocity.
33 3° 36 59 68
Breadth = 54.:o m. Toghri-kum, October 13. Scale T : 520.
October 14th. The river subsided 0.7 cm. in I2 hours; and the transparency was 39.o cm. Two of the Kodaj-darja's anastomosing arms are said to reunite in
46 8o 7o
39 6o 48
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