A groundwater reservoir from which water can be extracted is called an aquifer.
可以从中抽取水的地下蓄水层被称为含水层。
Extraction of water depends on two properties of the aquifer: porosity and permeability.
水的开采取决于含水层的两个性质：孔隙度和渗透性。
Water does not remain immobile in an aquifer but can seep out at springs or leak into other aquifers.
水在含水层中并不是静止不动的，而是会从泉水中渗出，或渗入其他含水层。
This aquifer was named the Ogallala aquifer after the Ogallala Sioux Indians, who once inhabited the region.
这个含水层被命名为奥加拉拉含水层，以曾经居住在这个地区的奥加拉拉-苏族印第安人的名字命名。
The situation is most critical in Texas, where the climate is driest, the greatest amount of water is being pumped, and the aquifer contains the least water.
这种情况在德州最为严重，那里气候最干燥，抽水量最大，含水层含水最少。
The Ogallala aquifer is a sandstone formation that underlies some 583,000 square kilometers of land extending from northwestern Texas to southern South Dakota.
奥加拉拉含水层是一个砂岩地层，位于从德克萨斯州西北部延伸到南达科他州南部，约583000平方公里土地的地下。
One of the two main types of aquifer is the unconfined aquifer.
非承压含水层是两种主要含水层之一。
Sometime the term artesian is used to denote a confined aquifer.
有时候人们也用自流含水层这一术语表示承压含水层。
Sometime the term artesian is used to denote a confined aquifer .
有时候人们也用自流含水层这一术语表示承压含水层。
The machine that promises to break bedrock into the aquifer seemingly can't.
钻进机据说能钻破岩层进入含水层，但看起来不行。
An aquifer is a water - bearing rock stratum such as sandstone and chalk.
地下蓄水层是一些有水的岩石层，如沙岩和白垩岩。
Fryeburg, in south-west Maine near the New Hampshire border, sits on an enormous aquifer.
福莱伯位于缅因州的西南地区，靠近新罕布什尔的边界，拥有巨大的地下蓄水层。
One possibility is that the seeps are fueled by an aquifer or melting subsurface ice.
一种可能是由含水层渗透、或地下冰融化造成的。
Estimates for the life of the Nubian sandstone aquifer range from a century to a millennium.
学者们对努比亚砂岩含水层寿命的估计相差悬疏，从一百年到一千年不等。
Afew hundred million gallons of water will also be pumped out of the local aquifer each year.
每年将有几个亿加仑的水从当地的地下蓄水层抽取上来。
The Ogallala aquifer is a major source of drinking and irrigation water for America's central plains.
奥加拉拉蓄水层是美国中部平原饮用和灌溉用水的主要来源。
The hole must be deep enough to reach a good aquifer where groundwater is stored in large amounts.
井必须足够深才能达到好的地下出水层，因为大量的地下水储存在那里。
About 100 metres down lies a natural aquifer into which a series of heat exchangers have been built.
在100深的地下含水土层，热水会进入一系列业已敷设好的热交换器去加热地下水。
What is more, the hydrology of the aquifer, it argues, would slow the spread of any leak to a snail's pace.
另外，它认为，含水层的水文条件会使任何泄漏的蔓延速度变得十分缓慢。
In a US-backed project, it will store 100, 000 tonnes of carbon dioxide annually in a nearby saline aquifer.
这项由美国支持的工程每年将把十万吨二氧化碳存储在就近的咸水含水层里。
But it is running out of water, with farmers driving Wells deeper and deeper into the underlying aquifer.
但是那里水资源正日趋枯竭，农民的井越挖越深，已经到了地下蓄水层。
Tapping the drought-prone region's aquifer for nonessential uses diverts water from farmers who need it desperately.
在这个干旱区域，这些没有用在刀刃上的水正是那些农民极度渴望的。
And then, it discusses the dynamic ground water storage equation and finds the factors that affect the aquifer storage.
在此基础之上，探讨动态的地下水储量方程，并归纳出影响地下水储量的因素。
The aquifer rises especially close to the surface in the Sand Hills region in the north of the state, near Mrs Luebbe's ranch.
在该州北部的沙岗地区、吕伯的牧场附近，含水层尤其接近地表。
This discovery forced city officials to use nearby Lake Houston and Lake Conroe for municipal water instead of the aquifer.
这项发现迫使城市官方用邻近的休斯顿湖和康罗湖代替含水土层，成为该市主要水源。
Two million years ago, a cave-studded aquifer lay beneath an undulating plain of shallow, wooded valleys and rolling hills.
200万年前，在树木丛生的谷地和波状丘陵地带的起伏平原之下，是洞穴密布的地下蓄水层。
Throughout most of its history, the city of Houston primarily drew water from the Jasper Aquifer, located along the southeastern coast of Texas.
纵观其历史，休斯敦主要从绵延于德克·萨斯东南海岸的JasperAquifer获取水资源。
Because only about 2% of Libya's land receives enough rainfall to be cultivated, this project uses fossil water from a large underground aquifer.
由于降水稀少，导致利比亚只有2%的国土适宜作物种植。
Because only about 2% of Libya's land receives enough rainfall to be cultivated, this project uses fossil water from a large underground aquifer.
由于降水稀少，导致利比亚只有2%的国土适宜作物种植。
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