Used improperly, its high nitrogen content can emburden both surface water and groundwater. |
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The reservoirs store rainwater, groundwater, and surface water until water is needed on the field. |
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After clearing of native vegetation, rainfall accessions to the groundwater has increased in the order of 10-fold over natural rates. |
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Somewhere in the maze of subterranean cracks below the village, contaminated surface water was leaking into clean groundwater. |
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Not only does trout farming make use of saline groundwater, it could help lower the water table and reduce groundwater's salt content. |
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The manure alone could destroy the water table, rendering the groundwater toxic and leaching poisons into the soil for miles around. |
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When dissolved solids are carried along with the flowing groundwater, the process is called advective transport or convection. |
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At many U.S. military target ranges, petroleum products and heavy metals used in bombs and bullets contaminate the soil and groundwater. |
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However, they did not explain how the depleting groundwater table could be recharged if the tank did not get enough water. |
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The next day, both of them combed the farm in search of ideal locations for recharging groundwater. |
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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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For centuries, this land has served to recharge groundwater, supporting vegetable growers, hosting hundreds of bird species. |
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The current method of digging pits for storing rainwater for recharging groundwater is hence a brilliant idea. |
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After development, precipitation no longer percolates through the soil to recharge the groundwater. |
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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 artificial recharge of aquifers could help to counter overexploitation of groundwater resources. |
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Urban salinity may arise in urban areas due to changes to the natural hydrological cycle that can increase groundwater recharge. |
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Exceptional periods of rain can cause groundwater flooding from springs and winterbournes which inundate roads and overwhelm drainage systems. |
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My studies also demonstrated that the rainfall, river flow and groundwater levels are increasing. |
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This may reflect the concentration of alkaline earth metals in soil and groundwater as is typical in dry climates. |
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Recharge is the amount of water from precipitation that replenishes groundwater in storage. |
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In the U.S., state reclamation laws call for revegetation, area cleanup and protection of surface and groundwater. |
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These saline waters get pulled into local aquifers as wells and groundwater supplies are overdrawn. |
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Percolation pits dug along the lengths of the bunds would facilitate recharge of groundwater aquifers. |
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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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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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Chalk rivers are fed from groundwater aquifers, which produce clear waters and a generally stable flow and temperature regime. |
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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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These chemicals are now a source of arsenic in agricultural soil and in groundwater in the Mid-Atlantic region. |
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The groundwater is becoming saline as the water table sinks because of overuse, and sea water presses in. |
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The beach systems are formed entirely by groundwater outflow and sapping where the water table intersects the beach face. |
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The groundwater that is tapped into by wells on private lands is in fact a common resource, something nobody can effectively own. |
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Other problems would be backflow into the system or a rising groundwater table that would allow seepage into the collection system. |
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Most of these are on igneous and metamorphic rock to minimize groundwater losses. |
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The shale gas drills do pass through rocks adjacent to those supplying groundwater, but go much, much deeper. |
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Nevertheless, models suggest that a global groundwater system could exist on Mars today at a depth of several kilometers below the surface. |
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In extreme cases, the soil particles become suspended in groundwater and the deposit reacts as a fluid giving rise to sand or mud volcanoes. |
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Eastern groundwater basin is an unshared groundwater basin as both recharge and storage areas are located within the boundaries of the West Bank. |
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Here on the edge of the sea, as fresh groundwater is depleted, sea-water is beginning to push in. |
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All of the nitrate and ammonia in the wastewater is available for plant uptake and any excess can leach into groundwater. |
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If the groundwater is heavily laden with minerals in solution, the process can happen rapidly. |
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Landowners do not own groundwater as owner of the land, they just have a right to the usufruct of the water and not the water itself. |
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Thus, it becomes apparent that groundwater makes up the majority of the world's utilizable freshwater resources, 95 per cent or more by volume. |
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Typically, fens with pH values above 6.0 are associated with calcareous groundwater. |
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Karst features are formed by the dissolution of calcium carbonate in limestone bedrock by mildly acidic groundwater. |
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The campaign team highlighted the health hazards caused by sewage contamination of groundwater from pit latrines and septic tanks. |
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Wetlands are the storehouses of groundwater and play a key role in maintaining the water table. |
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Rainwater slowly seeps into the soil, replenishing the groundwater supply, instead of disappearing down the nearest storm drain. |
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They also evaluated its ability to stem soil and groundwater contamination by nutrients and heavy metals. |
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In humid regions and low valleys associated with lakes and river bottoms, groundwater may be only a few feet below the soil surface. |
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Limited excavations have opened up gutters and a sump pool used to drain the caverns of groundwater. |
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The source of water for a public water supply can be groundwater, surface water, or a combination. |
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What I found is deep groundwater and hydrogeology, they have a big impact on the way we should be doing things in this part of the world. |
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He is an active researcher in field and theoretical aspects of mass transport, contaminant hydrogeology and groundwater geochemistry. |
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The direction of groundwater flow beneath the site can be determined by a hydrogeologist. |
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Seeps are also present on the continents and in some cases submarine seeps are hydrologically connected to the terrestrial groundwater systems. |
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Worse still, groundwater moves very slowly, which means that the problems so far encountered may be the tip of the iceberg. |
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Researchers in Texas have detected the chemical perchlorate in milk, crops, and a significant portion of the state's groundwater. |
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The relative coldness of groundwater is exploited to air-condition a house for one-fifth the cost of a standard compressor system. |
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Horizontal movement is measured by inclinometers, and multiple-point vibrating-wire piezometers provide information on groundwater pressure. |
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Diurnal water table fluctuations can be considered a diagnostic indicator of groundwater consumption by phreatophytes at most sites. |
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In a few locations, spills of these liquids infiltrated the soil and created very large areas of contaminated groundwater and soil. |
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In coastal regions, sea water can infiltrate the rocks, and a salt-water wedge will then form below sea level under the fresh groundwater. |
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Liners are an effective way to prevent infiltration of groundwater into the system. |
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In Kona, probably because of the steep terrain, lack of roads, and lack of groundwater, coffee had not yet been developed as a plantation crop. |
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Despite an acute water scarcity in many parts of India, the Government has yet to legislate effectively to conserve groundwater resources. |
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Most instances of groundwater contamination are due to leaching of herbicides from loading or disposal sites. |
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The groundwater comes up to the surface, pools, and ponds, and deposits sulfate-rich sand, which blows away, creating sand dunes. |
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In some areas, floriculture's liberal use of groundwater has caused water tables to drop. |
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Wetlands may overlie important groundwater aquifers, especially on moraines, eskers, and fluvioglacial deposits. |
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It leaks into groundwater from fuel storage tanks, contaminating water supplies with a foul smell and taste. |
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However, lowering groundwater level can cause damage to surrounding building foundations and hence extra measures should be taken prior to that. |
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Thus it is important to make groundwater exploration as economical as possible with the highest possible success rate. |
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Have the effects on our groundwater and drinking water systems been considered? |
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The shallower the depth to groundwater, the less soil there is to act as a filter. |
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So it is clear what groundwater and surface water are understood to mean, and who the targets of the bylaw are. |
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Water consumption was so heavy as to cause the infiltration of sea water into the groundwater. |
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This will help keep contaminated surface water from entering the well and groundwater. |
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Another problem with landfill is fluid polluting groundwater and getting into the water supply. |
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They believe that the company's heavy use of groundwater is causing water shortages. |
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It is environmentally sound, as it does not contaminate groundwater or use up scarce water resources. |
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The main problem with the spills and overflows is the risk of fuel getting down into the soil and groundwater. |
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In the absence of a proper clean-up of the site, chemicals are still leaking into the soil and groundwater. |
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They can contaminate underlying soils and groundwater or contaminate storm water which travels to bodies of surface water. |
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She says it plans to enter into a voluntary remediation of the site's soil and groundwater. |
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Therefore, what happens to groundwater at one spot can easily affect the aquifer at another. |
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It determined that areas with groundwater within two metres of the surface are at high risk of dryland salinity. |
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It also emphasized that groundwater contamination had become a critical problem. |
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We present a new method to characterize and quantify groundwater discharge to estuaries and the coastal ocean. |
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Agricultural drawdowns are straining the groundwater supply in the center of the state. |
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Most groundwater investigations aim to provide information on the position and fluctuation of the watertable at various points. |
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The upper surface of the groundwater, termed the watertable, plays a tremendous role in crop production. |
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Evidence of the actual behaviour of the system is considered, primarily based on groundwater chemistry and the nature of the youngest minerals infilling pores and fractures. |
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The otherwise brackish groundwater had become safe for consumption. |
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Methods include in situ and ex situ treatment of contaminated soil, groundwater, industrial wastewater, sludges, soil slurries, marine oil spills, and vapour-phase effluvia. |
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Water from the reservoir has been supplying Castledermot for the past year, replacing the old groundwater sources which were no longer adequate or reliable for their purpose. |
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For cooling the building during warm weather, naturally chilled groundwater is brought up from the aquifer through holes bored through 410 feet of London clay. |
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Sulfates are a combination of sulfur and oxygen and are a part of naturally occurring minerals in some soil and rock formations that contain groundwater. |
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The only volumetrically important and widespread diagenetic effect of groundwater flow on carbonates in near-surface evaporitic settings is reflux dolomitization. |
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Ponds, wetlands, groundwater and soil in and around the site were contaminated through the years with chemicals found in creosote. |
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Some creeks or river reaches are fed by springs or groundwater seeps. |
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Highland areas would be reforested to create a filter through which rain and groundwater could be purified for use in the more populated valleys and lowlands. |
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It lies close to fossil groundwater but perversely the national government decided to devote almost all the fossil water to agriculture rather than to supplying the city. |
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Alteration in catchment subsurface water balances through land-use change and pumping can affect lake biogeochemical cycles through changes in groundwater flow rates. |
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The only underground water that is readily available to supply wells and springs and also the only water to which the name groundwater is correctly applied is water in the saturated zone. |
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The groundwater table for our drinking water supply is 180 metres underground and is dropping by one meter every year due to our unsustainable consumption. |
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And beware of tapping into groundwater for agriculture too, as that can have the same effect as a drought. |
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With the condition of waterworks becoming worse and groundwater level dipping, residents of the nearby villages are facing an acute water shortage here. |
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He happened to be studying groundwater in weld County when the floods came and decided to change his research goals. |
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If the groundwater level is up, it is possible that your septic tank could pop right out of the ground like a fishing bobber, ripping up all of the connected lines with it! |
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Although water supplies are obtained from different places, surface water or groundwater, the connection between the two can be seen in a variety of ways. |
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Infiltration of surface water and groundwater into a landfill results in water passing through waste in the landfill, which frequently picks up contaminants from the waste. |
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Shoddy well construction is considered a primary cause of groundwater contamination at drilling sites. |
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Despite cleanup efforts, groundwater springs contaminated with PCBs still flow into Stout's Creek. |
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The fluid has boiled, but is largely undiluted by groundwater. |
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The PCBs spread to groundwater, and although few people live in the area, those that do get their water from wells. |
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He lives in Denver, connected to real people in the real world like an oak tree to groundwater. |
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In coastal areas, a decline in the water-table can also induce flow of saline groundwater from the formation beneath the ocean or sea toward wells on land. |
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There are a number of different groundwater systems in Australia that produce dryland salinity and these operate according to local geological and geomorphic conditions. |
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Two piezometers were installed to measure groundwater levels. |
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It is a good step, but areas suitable for rooftop collection and areas suitable for artificial recharge of groundwater have not been identified so far. |
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The rainwater drainage system recharges the groundwater with runoff. |
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Some additives, which claim to degrease your system, may damage your drain field, contaminate your soil and groundwater, and in some states, be illegal. |
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Generally speaking, a well-nodulated crop helps save on synthetic fertilizer costs and nourishes soils at rates less likely to affect groundwater, Hunter notes. |
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This crisis well drilling has sprung up over night with little thought given to the relationships and potential conflicts between groundwater and surface water. |
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Conserving rainwater to recharge the groundwater is a remarkable idea. |
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But while the soil was moist the plants would not be drawing groundwater. |
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State records indicate there is considerable groundwater degradation at the site, and that high levels of arsenic and antimony have been recorded. |
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The groundwater enters the PEM tube allowing gravity to conduct it to a coarser sand layer, where it can drain more quickly. |
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But Chris Bergh says rising sea levels have made the groundwater increasingly salty, destroying the ecosystem. |
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The construction of a groundwater well will see if LOID is able to come up with an alternate source of water for the Lewiston Orchards district. |
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In the last 20 years, the salination and quality reduction of groundwater has become one of the serious environmental problems around the world. |
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Macrophytic vegetation is not typically present in unregulated Rocky Mountain rivers not dominated by groundwater. |
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For the flood polders Regensburg a hydrogeological groundwater model is to be created on this basis a numeric model. |
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Brunner P, Cook PG, Simmons CT Hydrogeologic controls on disconnection between surface water and groundwater. |
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Hydrogeologists have now been hired to solve the puzzle, after authorities ordered a probe into the drastic rise in groundwater table. |
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Significant groundwater recharge areas are shown on the Hydrologic Atlas 18 of the Georgia Geologic Survey. |
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However, with sheet piling, the flow of groundwater was cut off and pore water pressure built up. |
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The toxins have polluted the groundwater and poisoned the soil. |
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Small quantities of lead, toluene, xylene, benzene, tetrachlorethylene, and trichloroethane were reported in groundwater samples. |
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Torrento C, Cama J, Urmeneta J, Otero N, Soler A Denitrification of groundwater with pyrite and Thiobacillus denitrificans. |
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Prior to CBCWA's creation, charter members relied exclusively on groundwater supplies. |
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Contaminated groundwater tainted with trichloroethylene is to blame for the toxic fumes, which are entering homes through their basements. |
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The DOD is working with the EPA to develop a health-based groundwater cleanup standard for trichloroethylene. |
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Stratographic and groundwater monitoring wells are being drilled and 3D seismic, cap rock and reservoir testing programs are underway. |
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It focuses on the effect of shelterbelts on the levels of Ca, Mg, and C in inorganic compounds in the groundwater of agricultural landscape. |
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And follow the nonnormative usage of groundwater is caused about 230 Plain from 609 plain of country have been facing with ground water crisis. |
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The psammon here means the hygrophilous fauna of the moist sand in supralittoral and above the coastal groundwater. |
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Flow and chemical analysis of Thunder River Toronto Springs groundwater points to extensive, unentered portions of cave. |
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The SAGBI also does not consider characteristics of the vadose zone or depth to groundwater. |
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Another important practice is maintaining the pressure of the underground gasifier below that of the surrounding groundwater. |
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Most evidence suggests that contamination of groundwater, if it occurs, is most likely to be caused by leakage through the vertical borehole. |
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Kuwait's fresh water resources are limited to groundwater, desalinated seawater, and treated wastewater effluents. |
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Where groundwater lies near the grounds surface, a sinkhole will be filled water as a solution lake. |
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Output sources are evaporation from the lake, surface and groundwater flows, and any extraction of lake water by humans. |
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Beaver dams trap sediment and improve water quality, and recharge groundwater tables and increase cover and forage for trout and salmon. |
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However, improper waste management practices can pollute both surface and groundwater. |
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In the case of groundwater, the main issue is contamination of drinking water, if the aquifer is abstracted for human use. |
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For example, rainfall on roofs, pavements, and roads will be collected by rivers with almost no absorption into the groundwater. |
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The subsidence of land due to the withdrawal of groundwater is an isostatic cause of relative sea level rise. |
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Permeable PEM tubes inserted vertically into the foreshore connect the different layers of groundwater. |
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This system is vital to the groundwater management of the Western Netherlands. |
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Sedimentary rocks are often saturated with seawater or groundwater, in which minerals can dissolve, or from which minerals can precipitate. |
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Groundwater is present in most rocks, and the pressure of this groundwater affects patterns of faulting. |
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This groundwater later flows back to the surface in springs, or more spectacularly in hot springs and geysers. |
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The strain not only affects surface freshwater bodies like rivers and lakes, but it also degrades groundwater resources. |
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The commission, established in 1998, deals with the whole Danube river basin, which includes tributaries and the groundwater resources. |
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In Russia, approximately 70 per cent of drinking water comes from surface water and 30 per cent from groundwater. |
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One fourth of the world's fresh surface and groundwater is located in Russia. |
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Where people do not live near perennial rivers or make use of the storage dams, they are dependent on groundwater. |
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The thousands of sinkholes known as cenotes throughout the region provide access to the groundwater system. |
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During the explosive process, the Venus breccia formed when the ascending dacite magma reacted with groundwater to produce a phreatic eruption. |
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Three quarters of the country's human and animal populations depend on groundwater due to drought. |
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A drainage basin is the topographic region from which a stream receives runoff, throughflow, and groundwater flow. |
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The moisture they need for growing can be supplied by either a high groundwater table, or by high humidity or high precipitation. |
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Water falling as rain upstream of the reservoir, together with any groundwater emerging as springs, is stored in the reservoir. |
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Not only do these provide baseflows to the major tributaries, the groundwater is an important source for public water supply. |
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Quarries in level areas with shallow groundwater or which are located close to surface water often have engineering problems with drainage. |
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Research has shown bone apatite to undergo chemical exchange with carbonates in either vadose water or groundwater. |
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Geohydrology and groundwater chemistry at the site are better understood today, but problems persist despite significant remedial activities. |
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That groundwater can be accessed by wells, although removing it can be risky since aquifers can run dry if too much water is demanded at once. |
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A process known as karstification has to date created about 3000 circular collapses forming small basins filled with groundwater. |
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Nitrate not taken up by plants or denitrified migrates to streams and groundwater. |
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Based on historical groundwater data, intrinsic reductive dechlorination has been occurring to a significant degree at the site. |
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Sometimes called the forgotten resource, groundwater occupies the spaces created by geological fractures and soil pores underground. |
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I've been involved in the environmental field for almost 20 years and have yet to hear of any fish being caught in groundwater. |
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Stable isotope and groundwater flow dynamics of agricultural irrigation recharge into groundwater resources of the Central Valley, California. |
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Once it reached the groundwater, the sodium dithionite reacted with iron in the ground and spread out in a circle about 50 feet in diameter. |
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Groundwater discharge by phreatophyte shrubs in the Great Basin related to depth to groundwater. |
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Pingos appear when underlying permafrost puts pressure on pooled groundwater, forcing it upward. |
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Furthermore, groundwater doctrines follow a much more crazyquilt pattern, and several states have unique statutory approaches to groundwater. |
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Beneath the surface, they had profound and lasting influence on geothermal heat and the patterns of deep groundwater flow. |
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Karst topography and caves develop in limestone rocks due to their solubility in dilute acidic groundwater. |
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Cooling groundwater or mixing of different groundwaters will also create conditions suitable for cave formation. |
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In June 2006 a groundwater cooling system was installed at Victoria station. |
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Perchlorate, a type of salt in its solid form, dissolves and moves rapidly in groundwater and surface water. |
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Pollutants in rainfall quickly and directly affect pollution in groundwater sources. |
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Soil metal concentrations were found to be high enough to potentially contaminate groundwater. |
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The movie presented problems with groundwater contamination near well sites in Pennsylvania, Wyoming, and Colorado. |
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It thrives on compost and natural fertilizers brewed from comfrey or seaweed and uses only rain, natural groundwater or wastewater purified through a system of reed beds. |
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Minerals precipitate from the groundwater, occupying the empty spaces. |
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Some of that water will evaporate and become moisture in the unsaturated vadose zone, and, depending upon the depth of groundwater, some will be absorbed by plants' roots. |
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Calcite can be dissolved or precipitated by groundwater, depending on several factors, including the water temperature, pH, and dissolved ion concentrations. |
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The factory closed in 1987, but the site is contaminated with various chemical compounds, which have migrated into the valley's groundwater system. |
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On the other hands excessive withdrawal of groundwater resources has other consequences like Nitrate increscent in drinking water and Tehran aquifer instability. |
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There are also a number of locations in the Budd Inlet Treatment Plant utilidor where infiltration of groundwater requires attention to prevent it from getting worse. |
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Metastable oil shale ash concrete left in water saturated conditions underground is a potential threat to groundwater quality which is largely unknown at present. |
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In the Day litigation, for example, some amici argued that constitutionalizing a property right to in situ groundwater would sound the death knell for sensible regulation. |
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Some of the 'solutions' have been disastrous to the environment, resulting in untreated waste being dumped in places where it can pollute waterways and groundwater. |
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Members of US and Canadian oil companies say that using recycled groundwater makes in situ drilling an environmentally friendlier option when compared with oil sands mining. |
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Bottled water can originate from tap water, groundwater, or natural spring water and might be filtered, distilled, deionized, carbonated, or mineralized. |
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The pressure difference forces groundwater to flow continuously into the gasifier and no chemical from the gasifier can escape into the surrounding strata. |
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On other days, there will be a surplus of reclaimed water, unless the conjunctive water management strategy of supplementing reclaimed water with groundwater is formulated. |
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In arid areas it may not fill due to deep groundwater levels. |
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However, surface spills of hydraulic fracturing fluids or wastewater may affect groundwater, and emissions to air also have the potential to impact on health. |
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Medullosan pteridosperms and cordaitaleans were assisted through dry periods by a substantial root system, which allowed them to tap deep groundwater sources. |
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Obviously, the Vendian Formation sandstones themselves as stratiform Ba-rich sediments are the main source of barium in the groundwater of the Cambrian-Vendian aquifer system. |
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Pseudocandona rostrata is a benthic cold stenothermal species documented from small lakes, springs and interstitial groundwater, and its adults dominate in the summer period. |
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The Bureau of Meteorology today released a new online groundwater data tool, providing a comprehensive picture of Australia's groundwater resources. |
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These contradictory statements inspired us to carry out our own analyses of humic matter in the groundwater of the town of Kogalym, Tyumen, Siberia, Russian Federation. |
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The evaporation in the Tihamah is so great that streams from the highlands never reach the sea, but they do contribute to extensive groundwater reserves. |
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Yemen's groundwater is the main source of water in the country but the water tables have dropped severely leaving Yemen without a viable source of water. |
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The groundwater has not been regulated by Yemen's governments. |
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Ice, frozen in the stream bed, blocks normal groundwater discharge, and causes the local water table to rise, resulting in water discharge on top of the frozen layer. |
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Increased runoff reduces groundwater recharge, thus lowering the water table and making droughts worse, especially for farmers and others who depend on the water wells. |
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The principal environmental issues associated with runoff are the impacts to surface water, groundwater and soil through transport of water pollutants to these systems. |
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Dr Al Awadhi said that desalinated water represented 90 per cent of the country's resources, while the remainder was groundwater mainly from the Abar Al Khobar area. |
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The proposed study will deal with PCB and DDT which contaminates soils and groundwater in Malaysia through unengineered landfills and the use of pesticides for agriculture. |
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With the beach in a saturated state, backwash velocity is accelerated by the addition of groundwater seepage out of the beach within the effluent zone. |
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Uncontaminated groundwater is found upgradient of a contamination source. |
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Hydrologists acquire accurate results that improve environmental assessments of contaminated sites, groundwater development plans, and groundwater dewatering projects. |
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The Arkansas State University-Mountain Home Stream Team held a public presentation on the challenges of restoring and protecting groundwater quality in the Ozarks. |
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The Long Beach Water Department has stored 13,000 acre-feet in the aquifer for Metropolitan, adding it to local groundwater and having it available for later use. |
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Variation in the natural abundance of 15N in the halophyte, Salicornia virginica, associated with groundwater subsidies of nitrogen in a southern California salt marsh. |
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The study of the distribution and movement of groundwater is hydrogeology, of glaciers is glaciology, of inland waters is limnology and distribution of oceans is oceanography. |
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The 39 selected papers represent recent developments in applying soil, rock, and groundwater mechanics in geotechnical engineering modeling and practice. |
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When sufficient oxygen accumulated in the atmosphere, it permeated the groundwater and began oxidizing buried organic material, oxidizing carbon to create carbon dioxide. |
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Significant concentrations of vinyl chloride and volatile organic compounds that are breakdown products of vinyl chloride, were found in the groundwater. |
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