排序方式： 共有2条查询结果，搜索用时 15 毫秒
1
1.
A dated landscape history of the Allt nan Uamh valley in the Assynt area is constructed, spanning the last 300 ka, using geomorphological analysis, U-series speleothem dating, and existing cave surveys. The mean rate of valley deepening is estimated to lie between 47 and 68 m per glacial/interglacial cycle of 100 ka. This, combined with an estimated duration of glaciation, implies glacial erosion rates of about 2 mm a−1, in agreement with modern process measurements. © 1997 by John Wiley & Sons, Ltd. 相似文献
2.
Gontcharov G. A. Mosenkov A. V. Savchenko S. S. Il’in V. B. Marchuk A. A. Smirnov A. A. Usachev P. A. Polyakov D. M. Hebdon N. 《Astronomy Letters》2022,48(10):578-600
Astronomy Letters - We present a new version of our analytical model of the spatial interstellar extinction variations within the nearest kiloparsec from the Sun. This model treats the... 相似文献
1