| 词汇 | subbasin |
| 释义 | subbasin noun[ C ] (alsosub-basin)uk /ˈsʌbˌbeɪ.sən/ us /ˈsʌbˌbeɪ.sən/ geography specialized an area of land that forms part of a larger basin (= an area of land from which streams run into a river, lake, or sea): The research is being conducted in a subbasin of the Amazon River. If you look at a drainage map of the river, you can see that there are a number of quite distinct sub-basins. This subbasin covers about 200,000 acres and is the sole source of water for three cities in the area. There are two lakes in this sub-basin, joined by a canal. Development in the subbasin is strictly controlled because of its rich ecology. Parts of watercourses artesian well backwater basin confluence drainage basin estuarine firth interbasin interchannel lock lock-keeper meander mooring mouth narrows reach spring tributary water table weir |
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