| 单词 | spreader dam |
| 释义 | > as lemmasspreader dam spreader dam n. U.S. Hydrology a type of wide earthen dam or embankment used in the western United States to disrupt the natural flow of run-off water by causing it to spread into a wider area, thus promoting greater ground infiltration and reduction in erosion. ΚΠ 1935 Woodland (Calif.) Daily Democrat 11 Jan. 15/2 The construction of several ‘spreader dams’ which cause the water to spread over the entire stream bed instead of being confined to one narrow channel. 1961 Colorado Springs (Colorado) Gaz. Tel. 22 Feb. 8/6 He was one of the first ranchers in the region to build a large spreader dam on his place to catch heavy flow of run-off water from rains and snows. 2002 N. F. Sayre Ranching, Endangered Species, & Urbanization in Southwest (2006) vi. 148 Greater grass cover, erosion control measures, and spreader dams together approximated the pre-entrenchment hydrology of the valley. < as lemmas |
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