单词 | through valley |
释义 | > as lemmasthrough valley through valley n. Brit. , U.S. Geomorphology a broad valley or channel with a level floor which has been eroded across a mountain divide and from which water drains into two distinct river systems.ΘΚΠ the world > the earth > land > landscape > low land > valley > [noun] > other types brem valayc1400 glack1535 grain1542 by-slade1635 by-vale1686 water gap1756 hanging valley1900 through valley1901 palm bottom1902 wadi1902 pocket valley1904 1901 Q. Jrnl. Geol. Soc. 57 196 Mr. A. Strahan reminded the Author that ‘through valleys’, such as he had described, occurred in many mountain-regions. 1969 G. C. Dickinson Maps & Air Photographs xiii. 208 A valley from one system may meet one from another system ‘back-to-back’ so that together they form a through valley with scarcely any feature separating the headwaters of the two systems. 2011 J. Knight et al. in M. J. Smith et al. Geomorphol. Mapping vi. 177 An example of this mapping methodology can be demonstrated from one of the complex landslides that characterise the through valley of Mallerstang in the western Pennines of northern England. < as lemmas |
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