| 释义 |
downslope, down-slope, n., adv., and a.
(see below)
[f. down a., prep.: cf. downhill.]
A. n. |ˈdaʊnsləʊp|. A downward slope.
1908Westm. Gaz. 5 June 2/1 We were away on the long down-slope—into California. 1914D. H. Lawrence Prussian Officer 157 He had come in full view of the downslope. 1964Economist 30 May 986/3 A frightening downslope.
B. adv. |ˈdaʊnˈsləʊp|. Down a slope; downhill.
1928‘M. Chapman’ Happy Mountain iii. 22 The pent roofs of tar-paper that shielded the graves' earth from washing down-slope in the rains. 1938C. F. S. Sharpe Landslides Plate II a (caption) Trees tilted downslope by creep tend to return to vertical position during growth. 1944A. Holmes Princ. Physical Geol. x. 147 There are various kinds of mass movements of surface materials downslope. 1971Nature 9 July 88/1 The adult animal..could be swept down⁓slope by turbidity currents.
C. adj. |ˈdaʊnsləʊp|. Directed down a slope; downhill.
1938C. F. S. Sharpe Landslides iii. 21 The general term creep may be defined as the slow downslope movement of superficial soil or rock debris. 1964Oceanogr. & Marine Biol. II. 31 A turbidity current is essentially a down-slope current over the bed of the sea..which is driven primarily by excess density. 1971Nature 5 Feb. 399/1 The largest component of downslope creep movement is thought to be due to seasonal changes in soil water content. |