| 词汇 | ground-water |
| 释义 | ground water noun[ U ] uk /ˈɡraʊnd ˌwɔː.tər/ us /ˈɡraʊnd ˌwɑː.t̬ɚ/ underground water that is held in the soil and rocks地下水 Soil alluvial boulder clay clay clayey cover crop earthiness frozen lime loam mud ooze peat moss sedimentation silt soil solarization solarize topsoil unploughed worm cast You can also find related words, phrases, and synonyms in the topics: Water in general Examples of ground waterground water The powder identified as calcite in a fracture line of the substratum we believe originated from the penetration of calcareous deposits in groundwater. The alluvial soils of the study plots are fertile and the groundwater level is at 70 cm below the surface. The majority (58 %) is produced from groundwater or by using artificial ground-water recharge technology. The saturation of soil with waste-water led to increasing concentrations of harmful metallic and organic substances thereby impairing the quality of groundwater. According to the mechanism, the particles in an aquifer are moved by an alternating flow of groundwater. Gullying leads to rapid lowering of groundwater tables. Irrigators can also get groundwater or contingent water rights, which can be used to fill dams or recharge aquifers. The evidence from the raw data therefore points overwhelmingly in favour of piped water supplies as being less contaminated than groundwater supplies. The river is highly polluted, with adverse effects on the groundwater in the locality. Groundwater is often distributed without any treatment. Over time, unburned fuel contaminated the groundwater aquifer. In swimming lakes dilution effects and water exchange with groundwater quickly reduce infection risks to co-bathers following a point contamination. Furthermore, intrusion of sea water in the groundwater and changes in temperature can reduce agricultural incomes. For many aquatic insects they are refuges from terrestrial existence in areas where there is little groundwater available. Most of the largest canals have at least one deep well dug to the depth of groundwater. See all examples of ground water These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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