The bare lands and sand dunes where the soil water has hydraulic connection with underground water is likely to supply the soil water of 75 cm soil layers and the underground water.
只有与地下水有水力联系的裸地和沙丘地降雨后有可能对75cm以下的土壤和地下水产生深层渗漏量,丰水年生长季沙地土壤蒸发量与降雨量没有关系。
参考来源 - 盐池沙地水分动态及区域荒漠化特征研究We can know local earth’s surface water path increase and the underground water level rises gradually . Though the groundwater quality is worse, there is the trend of gradual amendment.
由当地多年的水样检测、分析数据可知:当地地表径流量增加,地下水位逐渐上升;虽然地下水水质较差,但有逐渐好转的趋势。
参考来源 - 景泰电力提灌工程人工绿洲环境效益分析·2,447,543篇论文数据,部分数据来源于NoteExpress
Once, people used too much underground water.
过去,人们使用了太多的地下水。
People used too much underground water. The temperature has become higher over the years.
人们使用了太多的地下水,这些年来温度变得更高了。
Land subsidence has been aggravated by overpumping of underground water and the construction of thousands of high-rise buildings.
过度抽取地下水和建造成千上万的高层建筑加剧了地面沉降。
And he knows no landfill liner system is completely leak-proof, meaning there is some possibility that the industrial quantities of waste coming from the oil cleanup could pollute local underground water supplies.
VOA: standard.2010.08.05
looked at things like where should they locate waste water treatment facilities because of the impacts of climate change, what risks are likely to occur to their subway system because it's underground and already requires enormous pumping of water during certain large rainfall events."
VOA: standard.2010.06.14
U.N.children's agency in Somalia Deputy Representative Hannan Suleiman tells VOA that unlike countries like Yemen that may run out of water entirely in the next two decades, Somalia is thought to have plenty of water underground to sustain people for many generations.
VOA: standard.2009.10.06
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