How To Use Aquifer In A Sentence
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Wetlands may overlie important groundwater aquifers, especially on moraines, eskers, and fluvioglacial deposits.
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Extraction of water from aquifers in India exceeds recharge by a factor of two or more.
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There are over 100 surface pumps that remove water from aquifers, geologic units where water is stored between grains of sand or in rock fissures.
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The groundwater moved through the aquifer which was close to the Carrigower River, a designated Special Area of Conservation.
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An aquifer is an underground bed of earth, gravel or porous stone that stores water.
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The aquifer, bolson in Spanish, was about 20% of the PSB's production last year.
KDBC.com
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There is already insufficient water in California to support its current population, industry and agribusiness and the state's water supply -- from the Colorado, from snow melt from the aquifer of the Central Valley -- is actually in decline as climate change raises the state's mean temperatures, desiccates its forests and dries out its topsoil.
Giles Slade: Aint Got The Do-Re-Mi: The Beginning of The End of The Californian Dream
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The earth could not absorb the rainwater; as a result groundwater aquifers could not recharge.
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Likewise, most of the water supply for the town of Sonoyta, as well as the nearby border town of Lukeville, comes from the groundwater aquifer.
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But the Wekiva watershed - and its springshed, the area where surface water percolates into the aquifer and recharges the springs - is hardly pristine.
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The deep Israeli wells in the Jordan Valley have good water quality since they tap the Lower Cenomanian aquifer system.
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At particular risk are aquifers, underground repositories of water that are tapped by wells for agricultural irrigation and drinking water.
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Collections of groundwater are called aquifers, and we draw from aquifers for drinking water and water for use in everything form irrigation to agriculture to manufacturing.
AlterNet.org Main RSS Feed
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In contrast, fermentation of emulsified oils frequently leads to aquifer acidification, which can slow the rate of microbial dechlorination.
PRWeb
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Pulled by gravity and pushed by the weight of new rain sinking in, the water seeps down through the aquifer.
BEAUTIFUL DREAMER
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On the site of Barium and Chemical Inc. in Steubenville, Ohio, lies an aquifer that contains chemicals such as nitrate and barium that were dumped during a time when this was a legal method of disposal.
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Because deep aquifers are slow to recharge, the reservoirs are essentially a nonrenewable resource that's being mined.
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But although such is likely enough to be the case, we do not know at present that the aquiferous chambers in any of the last named mollusks attain an extension similar to that which obtains in Nautilus.
Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology
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Groundwater is found at varying depths underneath the earth's surface, in permeable rocks known as aquifers which are saturated by the infiltration of rainfall.
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The aquifer has no shield of impermeable clay and the proposed artificial barriers would not guarantee success.
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Deep down within fluids or aquifers volatilization is not an important transport process.
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Shortages have become endemic to many regions, as record drought and population sprawl sap rivers and aquifers.
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The aquifer extends down to a depth of 300m below land surface.
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Encia workmen are punching boreholes deep into the ground to suck up oily chemicals which leaked into aquifers far beneath the surface.
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The ground that was to support this chimney consisted of very aquiferous, cracked beds of marl, disintegrated by infiltrations of water from the distillery, and alternating with strata of clay.
Scientific American Supplement, No. 623, December 10, 1887
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In the presence of the terrible inundation of the gallery of Airolo and the falling of aquiferous rocks, creating in the subterranean work so desperate a situation that a large number of very experienced engineers almost advised the abandonment of the works, Favre remained impassive.
Scientific American Supplement, No. 365, December 30, 1882
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Groundwater comes from an aquifer, an underground zone of saturated sand, gravel, or rock that yields significant quantities of water.
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Israeli projects to abstract water from the shared Mountain Aquifer are notpresented to the JWC.
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Mr Salmond said that Scotland is well placed to lead the world in the technology because of its geological assets - mainly former oil and gas fields and an abundance of porous rock, known as saline aquifer.
Undefined
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During mine development and coal extraction, it is unavoidable to approach and disclose or touch the aquifers (water body). Mine water flood has been one of the biggest hidden troubles of accidents.
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Where privy pits, soakage pits, or sewage absorption systems penetrate 'he water table of an aquifer located near the surface and shallow wells and springs whose water comes from the aquifer are contaminated.
Chapter 6
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An aquifer is a water - bearing rock stratum such as sandstone and chalk.
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Today, we are not using the natural recharge in these aquifers.
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If we drill a borehole into the aquifer the groundwater will be under sufficient pressure to overflow from the borehole.
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There are over 100 surface pumps that remove water from aquifers, geologic units where water is stored between grains of sand or in rock fissures.
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Furthermore, the over-exploitation of aquifers is causing the city to sink.
Water Woes
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Water is stored the way nature stores it in regenerated wetlands, recharged aquifers, and along recovered flood plains that are also refuges for wildlife.
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This protected the aquifer and ensures that the shallow ledge in Devils Hole, so vital to the pupfish, will not become a ‘sunbathing deck.’
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Estimates of the potential of non-renewable groundwater in the eastern and western deserts, mainly from the Nubian Sandstone aquifer, vary from 3.8 km3/yr to 0.6 km3/yr; the latter estimate is defined as an indicator of exploitability over a period of time, where the time is not given.
Water profile of Egypt
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In the early twentieth century, however, it was discovered that much of the High Plains was underlain by a huge aquifer (a rock layer containing large quantities of groundwater).
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By retaining the water in the drain, the aquifers have been recharged.
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Large-scale irrigation has also resulted in many environmental problems — such as waterlogging and salinization, water pollution, eutrophication, and unsustainable exploitation of groundwater aquifers — that degrade the drylands’ service provisioning.
Ecosystems and Human Well-being~ Desertification Synthesis~ Key Questions on Desertification in the Millennium Ecosystem Assessment
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According to one scenario, coal would react with steam and oxygen before combustion to produce hydrogen and carbon dioxide, with the carbon dioxide liquefied and stored underground in deep aquifers or other geological formations.
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Therefore, what happens to groundwater at one spot can easily affect the aquifer at another.
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Non-point pollution, in contrast, enters waterbodies in a diffuse manner, such as through run-off from farmers' fields or from forests, or as pollution seeping down into groundwater aquifers.
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But the complex geology overlying the mountain aquifers continues to challenge researchers.
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Problems can arise even if the rate of groundwater withdrawals doesn't exceed the rate at which precipitation recharges the aquifer, says Alley.
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While boring, to obtain some potash salts, through an aquiferous stratum, a spring was tapped, which poured an immense quantity of water into the lower galleries.
The Mines and its Wonders
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The area is covered with layers of basalt, porous volcanic rock that has been collecting rain and snowmelt in underground aquifers for millions of years.
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But the complex geology overlying the mountain aquifers continues to challenge researchers.
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The movement of saline water into freshwater aquifers, or saltwater intrusion, is usually caused by ground water pumping from coastal wells.
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Yes, we catch the water through an embankment and the water recharges the underground aquifers.
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In some cases, it might be possible to recharge aquifers by collecting precipitation during the rainy season in ponds or bunded fields - that would otherwise flow to the sea - and allow it to percolate down into the aquifer.
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Overgrazing, water diversion, aquifer ‘mining’ (pumping at an unsustainable rate), and overcollecting of native plants and animals are considered the greatest threats to biodiversity in the Chihuahuan Desert ecoregion.
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Above the reservoir of interest is high and cliffy formation which has variable lithofacies and thickness, and has developed salt bed, gypsum, mud and hi pressure aquifer.
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(In the western part of the Navajo Nation, Peabody Coal Company's abusive practices have nearly emptied the Navajo Aquifer, yet Peabody wants to construct two additional lines for coal slurrying through Hopi & Navajo lands, and tap into the Coconino
WN.com - Business News
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The land is on a sand and gravel aquifer, several hundred metres from a reservoir that supplies drinking water to 650,000 homes in Dublin.
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The aquifer has no shield of impermeable clay and the proposed artificial barriers would not guarantee success.
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Irrigation is overwhelmingly the largest use of the water from each of these aquifers.
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This relationship is matched with the actual reservoir pressure history, to obtain the elastic energy factor of the reservoir and the aquifer and the water influx factor, simultaneously.
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The unique mound springs are threatened by weed infestation, trampling by domestic stock and feral animals, and exotic fish species such as eastern gambusia (Gambusia holbrooki), and extraction of water from the Great Artesian Basin aquifer which leads to decline and extinction of springs.
Simpson desert
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If dry-based ice covered the area, the aquifer would have become inactive.
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Condensation of water vapour in the atmosphere over the oceans returns it directly to its source, and its condensation over land accounts for surface flow, recharge of underground water aquifers, and plant and animal life.
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It excludes water that will not drain from small pore spaces, saline water, and water in deep confined aquifers.
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I'm heavily involved in all aspects of the broader project, but my own interests really lie with rocks-the aquifer system that is flowing underneath North Pond, and what kind of intraterrestrial microbes might colonize rock, inhabiting the nooks and crannies of volcanic basalt and catalyzing reactions that result in "weathering" - like what you can see on old buildings, roads and rock outcrops on the continents.
Scientific American
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Important findings were the significance of permafrost in greatly reducing recharge during cold climates, and the development of increased transmissivity of the Chalk aquifer in the post-glacial period.
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Peabody wants to construct two additional lines for coal slurrying through Hopi & Navajo lands, and tap into the Coconino Aquifer.)
WN.com - Business News
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Other solutes interact with aquifer solids through physicochemical processes known as sorption.
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There is a limit to the amount to which it will be possible to exploit groundwater aquifers without recharging them, and there has been much discussion and even a bit of action, about the need for constructing water harvesting structures.
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Therefore, the results of a wet base or a dry base are the same if the upper part of the aquifer is frozen: it is not possible to transmit water from the glacier into the rock mass.
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The artificial recharge of aquifers could help to counter overexploitation of groundwater resources.
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What we need is integrated catchment planning that deals with the management of the whole river, its associated aquifers and wetlands, and the land that drains into it.
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The artificial recharge of aquifers could help to counter overexploitation of groundwater resources.
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A less pleasant possibility was that we had intercepted an aquifer.
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The costs of aquifer rehabilitation, air pollution reduction, and land degradation will haunt future generations.
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Chalk rivers are fed from groundwater aquifers, which produce clear waters and a generally stable flow and temperature regime.
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The litany of contemporary change includes global warming, ozone loss, soil erosion, deforestation, desertification, collapsing fisheries, and disappearing aquifers.
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Today water-resource managers must increasingly consider how withdrawals affect the amount of water flowing in and out of aquifers.
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Local ranchers and farmers have questioned why the pipeline needs to pass through an area where the aquifer runs just a few feet below the ground and the sandy soil makes it harder for vegetation to regrow once it's been disturbed.
Great Plains oil pipeline plan sparks grass-roots activism, high-stakes lobbying
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It can take centuries for aquifers to recharge, so the world is currently running a groundwater overdraft of 200 billion cubic metres a year.
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The imaginary surface defined by the stable, or static, water levels measured in wells completed in a confined aquifer is called the potentiometric surface.
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Salt water edged into the aquifer, tainting the drinking water of the burgeoning urban areas.
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The land is sinking because the aquifers are being drained, and it won't work any more.
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One sign of trouble: in just the past two decades, farmers tapping into the local aquifers have helped to shorten the North Fork of the Republican River, which starts in Yuma County, by 10 miles.
Liquid Gold
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Cut down on lawn areas, use ground covers, and avoid water-impermeable paving that restricts aquifer recharge.
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These will include the halting of further development along the main fracture zones, along the foothills of the Auas mountains in the main recharge areas of the aquifer.
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Mud composed of water with clay, zeolite, iron, calcium sulphate, etc is returned and infused to aquifer by the pressure to effectively control the nitrobenzene pervasion in groundwater.
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The aquifer has no shield of impermeable clay and the proposed artificial barriers would not guarantee success.
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Recharge to the aquifer happens through cracks in the clay lining of the playa floor and at the edges of playa basin.
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He drinks 'artesian' bottled water, which, he says, 'means it comes from a mineral-rich underground source called an aquifer'.
Times, Sunday Times
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Different concentrations of ground water nitrate were obtained by drilling irrigation wells into two aquifers.
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Once complete the aquifer will be able to supply water to various dams if there is a need.
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Harnessing such water requires relatively large initial outlays and can pose an environmental hazard because of potential brine leakage into the source aquifer.
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The problem usually afflicts rural areas, where deep well drilling hits arsenic-rich aquifers.
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In both flowing and non-flowing artesian wells, the water is under higher pressure than would be created by a column of water extending from the depth of the open well to the top of the aquifer.
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Right now, any drawdown of our aquifers is a concern.
News | WM | http://www.starnewsonline.com
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Urbanization in turn leads to further adverse environmental effects, such as contamination of soils, surface water and aquifers through poor sanitation.
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Pulled by gravity and pushed by the weight of new rain sinking in, the water seeps down through the aquifer.
BEAUTIFUL DREAMER
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One type of unconfined aquifer is known as a perched aquifer, where an impermeable layer of limited size stops the percolation of water to a deeper aquifer, thereby creating a small underground reservoir of limited volume (Figure 2.3).
1.1 The role and purpose of irrigation
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The undertaking of the Qatarra depression plan to provide an area for the development in this region by the cutting of a canal from the Mediterranean to the depression using pen-stocks to provide power to desalt the plentiful brackish water in the aquifer beneath the depression and provide power and irrigation for a sizable area.
Long-Term Aid to the Middle East
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The total amount of water withdrawn globally from rivers, underground aquifers and other sources has increased ninefold since 1900.
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The rudimentary renal organs of the Ascidian are developed in the walls of the cavity in question; and an aquiferous chamber of smaller dimensions has the same relation to the kidney in Lamellibranchiata -- in
Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology
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These saline waters get pulled into local aquifers as wells and groundwater supplies are overdrawn.
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While for the farmers an early and good monsoon is a harbinger of a bumper harvest, for hydrogeologists it means the recharge of aquifers - the underground water reservoirs.
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This will include drilling deep boreholes at the foothills of the Auas mountains to assess the viability and storage capacity of the aquifer.
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Understanding of this law will lead to a better understanding of the piezometric level in an artesian aquifer and the hydraulic principles of a piped water system.
Chapter 10
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But Eogene aquifer cannot be taken as the main objective formation.
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Pumping out water without recharging aquifers is perilous.
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Almost before anyone knew about it, the company was pumping a half million gallons of water a day from an aquifer beneath a hunting reserve.
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Maybe not that far, but keeping them from drying up as a result of nearby destination resorts pumping water out of their aquifers might be a nice start.
BlueOregon
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Companies are reluctant to switch from the cheaper water that can be pumped from rivers, lakes and aquifers, even though these traditional sources are straining from decades of overutilisation.
Can the sea solve China's water crisis?
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This process involves the addition of microorganisms, nutrients and an electron acceptor into the saturation zone of a contaminated aquifer.
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Hughes also notes that the aquifer runs beneath two dry lakes in the area, Cadiz and Bristol.
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Such an effect has been enhanced by the extended, often illegal, overpumping of the deltaic aquifers.
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One is naturally led to seek among other mollusks for a structure analogous to the vast posterior aquiferous chamber of the Nautilus; and it appears to me that something quite similar is offered by the
Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology
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Because of the long residence times typical of most bodies of groundwater, contaminated aquifers are not readily restored by natural processes.
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Nearly 60% of the total groundwater extracted is withdrawn from overexploited aquifers.
Geo-Mexico: water consumption in Mexico
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On the arid plains of northern China, the depletion of shallow reservoirs has forced people to sink wells into aquifers more than 1 km below the surface.
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The potable nature of available drinking water is affected as the sweet water aquifers are destroyed by quarrying.
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The movement of saline water into freshwater aquifers, or saltwater intrusion, is usually caused by ground water pumping from coastal wells.
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If we drill a borehole into the aquifer the groundwater will be under sufficient pressure to overflow from the borehole.
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Aquifers occurring in Namibia are classified as alluvial, Kalahari, fracture, Karst or artesian aquifers.
Water profile of Namibia
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Measurements in a number of wells are required to map the distribution of hydraulic head within an aquifer.
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In modern usage an artesian well is any well in which the water level rises above the top of the confined aquifer to which the well is open.
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Text also explain climatically the reason why only these are lots of thatching in Yunnan zone based on the aquiferous capability of the couch grass and stability of stake.
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* Once this water enters the dolomite which overlays the area, it could also detrimentally affect its aquiferous capacity and have significant environmental consequences, such as the development of sinkholes.
ANC Daily News Briefing
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Too bad nearby farmers are now losing their ancestral farm houses and fertile rows of corn to longwall mining and more coal slurry is slated for their aquifers.
Jeff Biggers: Pay Day: Big Coal Lobby/Utility Giant Rake in $1 Billion to Create FutureGen Toxic Dump
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Its springs and mountain streams feed large aquifers and the slender Humboldt River, which meanders nearly 400 miles west from its beginnings in the northeast corner of the state.
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Well - Aquifer Systems under Favorable Conditions Can Act as very Sensitive Strain Meters.
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A 15-foot-deep sewage sump close to the lake will affect ground water and the aquifer (a water-bearing stratum of earth).
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Percolation pits dug along the lengths of the bunds would facilitate recharge of groundwater aquifers.
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Water can be obtained from streams, rivers, lakes, or underground aquifers, which are used to supply private wells and public drinking water.
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This refuse percolated down into the aquifers, which were also threatened by the increasing number of cesspools in the city.
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The aquiferous tubes specified above open into this canal.
Louis Agassiz His Life and Correspondence
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Recognition of aquifer with both unite pump experiment data and long-time observation hole data in numerical model parametric recognition process gets a good effect.
