The water table is the underground boundary below which all the cracks and pores are filled with water.
地下水位是地层岩石裂缝和孔隙充满水的边界。
Environmentalists say that diverting water from the river will lower the water table and dry out wells.
环保主义者称引流河水将导致地下水位下降和水井干枯。
Excess water from irrigation sinks down into the water table.
灌溉产生的多余水分渗入地下水。
Typically, though, the water table may be tens or hundreds of meters below the surface.
不过一般来讲，地下水位可能会位于地表以下数十或数百米。
If no drainage system exists, the water table rises, bringing dissolved salts to the surface.
如果没有排水系统，地下水位就会上升，把溶解的盐带到地表。
In some cases, the water table reaches Earth's surface, where it is expressed as rivers, lakes and marshes.
在某些情况下，地下水位到达地球表面，在那里以河流、湖泊和沼泽的形式表现出来。
Water in the vadose zone drains down to the water table, leaving behind a thin coating of water on mineral grains.
包气带中的水会沉降到地下水位，只在矿物颗粒表面留下一层薄薄的水膜。
In places, the water table is declining at a rate of a meter a year, necessitating the periodic deepening of wells and the use of ever-more-powerful pumps.
在一些地方，水位正以每年一米的速度下降，需要定期加深井并使用更强大的水泵。
In particularly wet years, short stretches of an otherwise dry stream-bed may have flowing water because the water table rises to intersect the land surface.
在气候特别湿润的年月里，平常干涸的河床下游可能会有水流动，因为地下水在那里位抬升到了地表以上。
Because the surface of the water table is not flat but instead rises and falls with topography, groundwater is affected by gravity in the same fashion as surface water.
由于地下水位不是平面的，而是随着地形起伏的，所以地下水和地表水一样受到重力的影响。
In the northern peninsula the elevation is sufficiently low that the ancient Maya were able to reach the water table at deep sinkholes called cenotes, or at deep caves.
在半岛北部，海拔足够低，因此古玛雅人能够经由被称为竖井的深层排水口或深洞探及地下水位。
If the water table intersect the land surface, groundwater will flow out onto the surface at springs, whether to be collected there or to subsequently flow farther along a drainage.
如果地下水位与地表相交，地下水将在泉水处流出地表，聚集于此或是随后沿着排水系统进一步流动。
"Before we had the water table because it was fun and kids liked it," she said.
“以前我们配水盘是因为它好玩，孩子们也喜欢，”她说。
When the water table is at normal height, the fire dies down when it hits the earth.
当地下水位处于正常高度时，火焰在触及地面时很快就会熄灭。
Fracking can damage the water table, disrupt communities and even cause earthquakes.
用水力压裂技术采气的过程会破坏地下水位，影响周边环境，甚至引起地震。
The water table is falling fast in densely populated and poor regions of China, Mexico and India.
在中国、墨西哥和印度人口稠密的贫穷地区，地下水位在急速下降。
Wells can be drilled, or dug, depending on the soil and rock and the height of the water table.
可以钻井或打井，视土壤、岩石和地下水位的高度而定。
Rights provide quotas, but Israeli farmers do not want to see them traded-and the water table drops.
产权提供配额，但是以色列的农民不想看到水被交易——更不想看到地下水位下降。
Now we have the water table so kids can explore how water moves and actually explore scientific ideas.
现在我们配水盘，则是让孩子们能够探究水是如何流动的，实际上就是探索科学思想。
As Wells are drilled and the water table drops, the underlying soil compacts, much like a dried-out sponge.
随着钻井活动导致地下水位下降，下层土壤正变得密实，就像失水的海绵一样。
Below the water table at static equilibrium, hydrostatic pressure potential increases with increasing depth.
当静态平衡时，在水面以下，静水压力随深度而增加。
Below the water table at static equilibrium, hydrostatic pressure potential increases with increasing depth.
在水面以下，当静态平衡时，静水压力随深度而增加。
Landowners, whose fields will benefit from the resulting rise in the water table, donate some of their labor.
土地的所有者则会捐赠一些他们的劳力，因为这一工程带来的地下水位上升对他们的农田有益。
This decrease in the water table is a major contributor to land subsidence - New Orleans, like Venice, is sinking.
地下水位的降低则是地表陷没的元凶，而新奥尔良，和威尼斯城一样，正在下陷。
In wet periods, when the water table was high, animals could easily drink from seepage ponds near the surface.
在地下水位较高的雨季，动物们可以轻易喝到地面渗流水塘的水。
Above the water table, ancient caverns abandoned by the river slowly fill up with stalactites and stalagmites.
在地下水位线，被河流遗弃的远古洞穴中充斥着石笋和钟乳石。
More than a century of groundwater over-exploitation in Vietnam has drawn the water table down and, with it, arsenic.
在越南长达一个多世纪的地下水过度开采使地下水位下降，与此同时，砷也随之深入。
Because his 500 acres sits on a lousy patch on the water table, every well he drill has to go deeper than the last one.
由于他的500亩土地的地下水环境十分糟糕，钻的井是一个比一个更深。
Because his 500 acres sits on a lousy patch on the water table, every well he drill has to go deeper than the last one.
由于他的500亩土地的地下水环境十分糟糕，钻的井是一个比一个更深。
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