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
332 MY FIRST JOURNEY ACROSS THE TRANSHIMALAVA.
was derived from China, and was not entered on European maps of later years. It is, therefore, no wonder that I have made the best possible use of the material in information, maps and panoramas that I brought home from these regions.
We begin at Camp C VIII which we left at the end of Chapter XII. in this volume. It was situated on the S. E. shore of Ngangtse-tso at an altitude of 4,699 m. The surface of the lake was found to be at 4,694 m. On 7anuary 18th, 1907, our march goes 6 km. S. S. W. to Camp CIX, which is at an altitude of 5,189 m., or 495 m. above the lake, giving the very steep slope of 1 :12.1. From a point up in the valley south of Camp C VIII, Panorama 12 3, Tab. 2 3, is taken, and from Camp CIX, Pan. 124, Tab. 23. The former shows us the beach-lines and desiccation terraces of the two lakes which nearly touch one another, the latter embraces most of the eastern lake, Marchar-tso, with the mountain range bordering it on its north and being the eastern continuation of the range just north of Ngang-tse-tso.
On 7anuary 19th, we had 1 km. to the pass Chapkar-la, 5,326 m. high and
137 m. above Camp CIX; the rate of ascent is very steep, or as I : 7.3. From the pass to Camp CX or Lamblung at an altitude of 4,895 m., the distance was 9.8 km. ; the descent is therefore 43 I m., at a rate of I : 2 2.7. The direction is S. S. W.
The range which we crossed on these two marches seems to be a ramification
from the Ng-angtse Range. The latter stretches from east to west, and is situated to the south of three of Nain Sing's lakes, Nganglse-Iso, Marchar-tso and, perhaps, Kyaring-lso. It may be more correct to regard the range of Chapkar-la as an
independent one, though the Pongchen-la indicates a connection between it and the Ngangtse Range proper, situated just south of it.
On 7anuary 22nd, a march of 5 km. took us to Pongchen-la, 5,371 m., being an ascent of 476 m. or as 1: I o.5 in an easterly direction. From the pass to Camp CXI, 5,055 m., the distance was 6.7 km. S. E. and the descent 316 m., or as 1: 21.2.
At Camp CXI we have crossed the mountain bridge of Pongchen-la joining the first little range with the Ngangtse Range, and entered the valley of Busertsangpo which is a northern or right tributary to the Tagrak-tsangpo belonging to the basin of 1\7gangtse-Iso. We stick to the drainage area of the latter river all the way to Sela-la.
Panorama I I 9A and B, Tab. 2 I, iS taken from Pongchen-la. It is interesting, for it shows from the dominating height of 5,371 m. a part of Marchar-tso to the N. 64° E. through the opening of the valley of Titak; to the S. E. it gives the impression of a comparatively open country, which is partly due to the valley of Busertsangpo. To the N. 89° W. the S. W. end of Ngangtse-tso is in sight.
Following the valley of Buser-tsangpo downwards, on 7anuary 23rd, from Camp CXI to Camp CXII, Kapchor, we covered a distance of 12.6 km. to the S. S. E. and descended to 4,959 m. or 96 m., being at a rate of I : 13 I .
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