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0898 Scientific Results of a Journey in Central Asia, 1899-1902 : vol.2
1899-1902年の中央アジア旅行における科学的成果 : vol.2
Scientific Results of a Journey in Central Asia, 1899-1902 : vol.2 / 898 ページ(カラー画像)

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doi: 10.20676/00000216
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714   ILLUSTRATIONS.

Page.

Fig. 162. In A and B we have vertical sections from W. to E. through ordinary bajirs and dune accumulations in the region where the meridional Tarim now is situated. In C we have to the left (W.) the new-comer, the Ettek-tarim, and to the right (E.) the Ilek. In D the Ettek-tarim is dry, the sand accumulation is covering its old bed, the present Tarim is formed in the middle of the section, and to the right is still the Ilek with its western bank swept free from sand. The figure shows how the rivers have always made

their courses in the existing chains of bajir-depressions     340.

  •  163. Vertical section of depressions     341.

  •  164. The same     341.

» 165. Forest on the banks of the Ilek, below Kum-tschekc     342.

  •  166. Vertical section of lakes     343•

  •  167. East shore of Arka-köl. View looking south, showing sand-dunes proceeding towards the west across the lake; in the middle dead forest; to the right

fresh vegetation on the very shore of the lake     343.

  •  168. Advancing dunes     344.

» 169. Part of Sadak-köl in 1896, showing a regular bajir-depression filled with water   
The dead forest shows, that there was an early wet period followed by a dry period, which killed the toghraks. At the present time the depression

is once more filled     346.

. » 170. Nias-köl; a specimen of an old bajir-depression filled with water   347

  •  171. Another view of the same     347.

  •  172. Thick forest at Katak, Camp XIX, Kerija-darja, 1896     350.

  •  173. Sand-dunes bound by vegetation, at Kulatscha; Kerija-darja     351.

  •  174. The migration of Lop-nor   364

  •  175. Jardangs     364.

  •  176. Vertical section of a jardang   365

  •  177. View of the Kuruk-tagh at Kalka; towards the NNW. The transverse valley

of the Kontsche-darja coming down from Baghrasch-köl     393.

  •  178-179. The dunes of Ak-bel-kum     394.

  •  18o-182. Movements of dune-masses     4o1, 402.

  •  183. The Masar of Ordan Padschah     406.
    Relation between length and height, and angles of dunes in the western Takla-

makan desert     409.

  •  184-186. Dune- and wave-movements    420, 421.

A sand-dune near Anau in Transcaspia   425

  •  187. Ripple-marks on the crest of a dune. Desert of Lop   428

  •  188. Different patterns of ripple-marks. Desert of Lop   429

  •  189-193. Movements of dune-masses     431-434.

  •  194. A dune advancing with the same speed because the mass remains the same.

all the way     438.

» 195. A dune advancing slower as the mass increases   438

  •  196. A dune advancing quickly as its mass decreases     438.

A solitary toghrak north of the end of the Kerija-darja     44o.

  •  197. The valley of Tollan-chodscha on the upper road   456

  •  198. Our caravan in the desert of Gobi     457.

  •  199. Cylinders of sand     465.

» 200. A wind-worn stone, quartzitic sandstone. From the desert of Lop   469

201. Thick scrubby steppe north of Astin-tagh     473.

  •  202. First glimpse of the desert range     474.

  •  203. Parts of the desert range seen from the south   475

  •  204. Vertical section of terrace   475