The partial regulation of the river by zoogenic dams did not cause a significant decline in species diversity. |
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Full rivers and overflowing dams have been reported in the northern region of the province as rains continue to fall. |
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Reduced river flows, brought about by the construction of dams, weirs and water diversions, compound the problem. |
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Many dams are accompanied by locks, which raise and lower water levels, lifting ships to ports at higher elevations. |
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Meanwhile, dams associated with hydroelectric plants can cause radical disruption of area ecosystems. |
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They all started building sand castles and dams and things and they roped Jimmy and me into it. |
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A major threat to lechwe is the building of hydroelectric dams which eliminates their seasonal floodplain habitat. |
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Their dams help to maintain water levels in forest streams, thus providing habitat for themselves, fish, and waterfowl. |
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Back in the 1950s, the Hay Report recommended reclaiming the land through embankments and dams. |
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Automotive Industries recently was shown a more potent Stratus, stripped of its chrome accents but also devoid of any wings or air dams. |
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Cape-pondweed or waterblommetjies grow in dams and ponds in the Western Cape and is a delectable delicacy from this region. |
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The farm is fully equipped to breed fresh-water crayfish in 25 dams and waterblommetjies in 17 dams. |
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The pioneers invested heavily in productive capital assets like mines, overland telegraph lines, dams and artesian bores. |
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Visit the observation decks at four area lock and dams to watch barges and riverboats pass through. |
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On many Western rivers, dams have already severely curtailed wild spawning runs. |
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The Germans rebuilt the dams far more quickly than the Allies had expected. |
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The authorities began working frantically up the river, using whatever materials and means available to construct dykes, dams and levees. |
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These dams built on the rivers will be able to hold the entire amount of water during a weak monsoon. |
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Later he became strongly opposed to the theory that proglacial lakes were formed by the agency of huge glacial dams. |
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In some areas, the karez is a vital link between the communities and the dams built by the government. |
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Sycamores naturally grow in river bottoms, and beavers use the young trees for dams and houses. |
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The services help the Corps build dams, waterways, roads and other national infrastructure, as well as assist in disaster relief. |
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In order to allay public fears, experts have been hired to conduct a study of the cracks and determine whether they will affect the dams. |
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The fact is that, in a year of frequent and adequate rainfalls, there was not always the volume to fill or replenish dams and underground resources. |
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The building of dams along the rivers has impacted the populations of white sturgeons by creating landlocked populations and destroying spawning grounds. |
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There are some good tracks around the impressive dams of the Elan Valley and over the surrounding moorlands, and most routes are rideable year-round. |
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Yes, beavers are industrious rodents whose dams help our river systems. |
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What do you make of the idea of a directive coming out soon advising pilots to avoid airspace above or near sites like power plants, dams, refineries, and other complexes? |
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The dams were empty, the creek was dry, all I had was two bores. |
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By 1915, Fallon farmers seriously considered forming a militia to wrest control of the dams and canals along the Truckee and Carson Rivers from the federal government. |
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Last year, over 214,000 workers were posted in Africa to build highways, Bridges, dams, and power plants. |
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Visitors will be fascinated to see the lodges and dams that beavers build and, given the chance, will be delighted to watch these entertaining and intelligent animals. |
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If the report is widely adopted by the funders and builders of dams, it will pave the way for a new era of protecting rivers and the communities that depend upon them. |
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Yet the marketplace remained relatively calm, appreciating that the authorities were apparently still operating on the dykes, dams and levees up the river. |
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The location of the shelf edge break reflects complex interaction between sedimentation, sealevel, and the presence of sediment dams. |
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In the second, the impoundment dams are expensive to construct, natural water cycles are completely disrupted, ship navigation is disrupted. |
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The construction of hydroelectric dams has blocked their migrations and locally extirpated eels in many watersheds. |
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Construction of dams and other irrigation facilities seriously decreases habitat availability and diversity for the eels. |
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Many deposits on this plain result from ice dams which produced a large glacial lake. |
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Other structures remain from exploitation of resources, such as dams and fish traps. |
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The Akosombo Dam, built on the Volta River in 1965, along with Bui Dam, Kpong Dam, and several other hydroelectric dams provide hydropower. |
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The plan as originally conceived called for the construction of five dams that would have had a total generating capacity of 34,500 megawatts. |
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To date only two dams have been built, which are the Inga I and Inga II, with a total of fourteen turbines. |
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It is feared that these new hydroelectric dams could lead to the extinction of many of the fish species that are endemic to the river. |
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Several hydroelectric dams are planned on the river, and these may lead to the extinction of many of the endemics. |
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Otherwise, surface water is restricted to a few large storage dams retaining and damming up these seasonal floods and their runoff. |
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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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From these 412 dams, 151 are constructed over six of the main tributary rivers that drain into the Amazon. |
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Much of rural Baja California depends predominantly on wells and a few dams. |
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Since 1971, the government of Quebec has built hydroelectric dams on rivers in the James Bay watershed, notably La Grande and Eastmain rivers. |
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Fenosa, the monopolistic supplier of electricity, built hydroelectric dams, flooding many Galician river valleys. |
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Galicia's many hydroelectric dams take advantage of the steep, deep, narrow rivers and their canyons. |
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Construction of the dams also became impossible after disintegration of Soviet Union due to economic reasons. |
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The state has eighty dams with a total capacity of 595,337 million cubic meters. |
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Thus smells emanating from pig sties, strict liability against dumping rubbish, or damage from exploding dams. |
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Modern hydroelectric dams can be viewed as the descendants of the water wheel, as they too take advantage of the movement of water downhill. |
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This cement is used for very large concrete structures, such as dams, which have a low surface to volume ratio. |
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In 1889 the first concrete reinforced bridge was built, and the first large concrete dams were built in 1936, Hoover Dam and Grand Coulee Dam. |
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This system of mills, dams and villages was developed by John and Samuel Slater, and became known as the Rhode Island System. |
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Much of this early pollution lies trapped in sediments behind historic dams on the river and continues to affect the ecosystem today. |
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The dams were used to power textile mills and other endeavors in the early years of the industrial activity. |
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As the power stations became larger, their associated dams developed additional purposes to include flood control, irrigation and navigation. |
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Since hydroelectric dams do not use fuel, power generation does not produce carbon dioxide. |
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Large hydro dams can control floods, which would otherwise affect people living downstream of the project. |
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Another disadvantage of hydroelectric dams is the need to relocate the people living where the reservoirs are planned. |
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Smaller dams and micro hydro facilities create less risk, but can form continuing hazards even after being decommissioned. |
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Nowadays, explosives dropped from aircraft are used to break the ice dams before they become dangerous. |
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Before modern dams came to China, the Yellow River was extremely prone to flooding. |
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However, such analysis can often omit the environmental impacts of dams and the reservoirs that they contain. |
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This elevates the global warming impact of the dams to levels much higher than would occur by generating the same power from fossil fuels. |
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The upper reaches, and those of several of its tributaries, are defined by dams built to provide a public water supply. |
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The dams were out of use by 1892, and parts of the site are now occupied by Hillsborough Football Stadium. |
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He also built two dams and a sluice gate that frees dammed water to operate a 14-foot undershot waterwheel. |
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The outfalls are choked, the dams are perforated by crabs or broken down by floods, and soon the ground becomes more and more sodden. |
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Hannah Creek is less than 7 m wide and is mostly wadeable except for a few sections where beavers have constructed dams. |
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River regulation through the creation of dams and reservoirs, as well as channelization, can degrade and destroy dipper habitat. |
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These included amphitheatres, aqueducts, baths, bridges, circuses, dams, domes, harbours, and temples. |
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These dams are noteworthy, though, for their extraordinary height, which remained unsurpassed anywhere in the world until the Late Middle Ages. |
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America used to love dams... Yes, and we built those dams with ingenuity and brawn and, of course, piles and piles of dead Irish. |
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Attended kiddings allow owners to remove the kids from their dams prior to suckling and ingestion of colostrum. |
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The United Kingdom also has numerous dams and reservoirs to store water for drinking and industry. |
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Construction of cross dams has induced a natural accretion of silt, creating new land. |
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Some 34 such dams have been built in the Cordillera Blanca to contain proglacial lakes. |
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The Colorado River is a major source of water in the Southwest and many dams, such as the Hoover Dam, form reservoirs along it. |
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The basins in which organic lakes occur are associated with beaver dams, coral lakes, or dams formed by vegetation. |
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Dredged channels silt up, sluice mechanisms deteriorate with age, levees and dams may suffer seepage or catastrophic failure. |
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At least 70 dams are said to be planned for the Amazon region, including the controversial Belo Monte hydroelectric dam. |
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They built 72 dams just on the Iberian peninsula, and many more are known across the Empire, some still in use. |
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The earthworks included extensive, elaborate systems of dams and irrigation for rice. |
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It has been suggested that beaver dams could retain water in upland areas, reducing flood volumes and creating new habitats for wildlife. |
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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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Downstream migration of Atlantic salmon smolts was similarly unaffected by beaver dams, even in periods of low flows. |
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Besides, these rats presented reduced embryonic death rates compared with diabetic nonexercised dams. |
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At several places dams were found, providing evidence for a highly developed water management system. |
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The Romans built many dams for water collection, such as the Subiaco dams, two of which fed Anio Novus, the largest aqueduct supplying Rome. |
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Masonry dams were common in North Africa for providing a reliable water supply from the wadis behind many settlements. |
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They also built many dams for water collection, such as the Subiaco Dams, two of which fed Anio Novus, one of the largest aqueducts of Rome. |
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They built 72 dams in just one country, Spain and many more are known across the Empire, some of which are still in use. |
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Critics like the Humane Society object to the killing of the sea lions, claiming that hydroelectric dams pose a greater threat to the salmon. |
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In particular, hydropower dams and transmission lines have significant effects on water and biodiversity. |
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In the northern Wadden Sea building dams proved to be considerably simpler. |
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Earlier work under Frederick the Great surrounded efforts to ease shipping and construct dams to serve coal transportation. |
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An equally serious problem is the tendency to stabilize lake or river levels with dams. |
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Hence, over time, dams can reduce the area of wetland from a broad littoral zone to a narrow band of vegetation. |
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The Netherlands developed the Delta Works, an extensive system of dams and storm surge barriers. |
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Heavy rains caused the river to overtop existing dams, and carried dilbit 30 miles downstream before the spill was contained. |
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When using tidal barrages to generate power, the potential energy from a tide is seized through strategic placement of specialized dams. |
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The Missoula Floods of Oregon and Washington states were also caused by breaking ice dams, resulting in the Channeled Scablands. |
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When building their dams and lodges, beavers alter the paths of streams and rivers and allow for the creation of extensive wetland habitats. |
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The Qulliq Energy Corporation is progressing with a plan to put up two hydroelectric dams near Iqaluit. |
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Passive immunization of piglets against enterotoxigenic colibacillosis by vaccinating dams with K88ac pili bearing bacterin. |
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But Hamid-Reza Janbaz, head of the Tehran water and sewerage system, says the reservoirs behind the Latian and Lar dams are virtually empty. |
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It was in May 1943 that the Lancaster bombers of 617 Squadron took off to attack dams in Germany's Ruhr Valley. |
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The raid also killed at least 1,650 people, and left much industry in the Ruhr area without electricity, which had been provided by the dams. |
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Much of German industry depended on the water and hydro-electricity produced by the dams in the Ruhr area. |
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These dams will encourage water retention, enabling plants such as bog asphodel, sundew and sphagnum to re-establish. |
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During the conference, Naidu also expressed his concern over China's plan to build three more dams on the River Brahmaputra. |
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Killdeer and red-winged blackbirds thrive along the densely thicketed edges of lakes and small ponds where beaver busily harvest trees to build lodges and dams. |
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Damming interrupts the flow of rivers and can harm local ecosystems, and building large dams and reservoirs often involves displacing people and wildlife. |
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The major advantage of conventional hydroelectric dams with reservoirs is their ability to store water at low cost for dispatch later as high value clean electricity. |
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The city stretches along the Charles River and contains several dams. |
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The Lerma River is regulated through various dams in part to control the fact that it ran very high in the rainy season and very low in the dry season. |
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Many of the proposed dams would be among the tallest in the world. |
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These lakes include plunge pool lakes, fluviatile dams and meander lakes. |
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Such is the case of La Troienne, one of the most important mares of the 20th century to whom many of the greatest Thoroughbred champions, and dams of champions can be traced. |
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Canoeists can contact the dam company and arrange to be towed around the dams on company trucks, but they must make arrangements specific to the hour, and they cannot be late. |
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During the prehistoric period, the Willamette Valley region was flooded after the collapse of glacial dams from Lake Missoula, located in what would later become Montana. |
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Currently, there are three dams located in Malacca supplying its residents with water, which are Durian Tunggal Dam in Alor Gajah, Jus Dam and Asahan Dam in Jasin. |
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This allowed the inhabitants of the village of Aemstelredamme to travel freely through the County of Holland, paying no tolls at bridges, locks and dams. |
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A highway system along the top of the dams was envisioned as well. |
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Barrages are essentially dams across the full width of a tidal estuary. |
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There are 54 artificial lakes and dams that supply water and electricity. |
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Statistical information is utilized to formulate operating rules for large dams forming part of systems which include agricultural, industrial and residential demands. |
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The impermeability of Roman dams was increased by the introduction of waterproof hydraulic mortar and especially opus caementicium in the Concrete Revolution. |
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Antony on Friday backed the External Affairs Ministry's views with regard to India's concerns over China's move to built three more dams on the Brahmaputra river in Tibet. |
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Due to its sparse rainfall in agricultural areas, Argentine Patagonia already has numerous dams for irrigation, some of which are also used for hydropower. |
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These dams can be overtopped at high tide and hold water at low tide. |
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The Romans made great use of aqueducts, dams, bridges, and amphitheatres. |
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One of the Subiaco dams was reputedly the highest ever found or inferred. |
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The Malaysian government and its state-owned energy utility Sarawak Energy Berhad plan to build 12 large dams, due to produce 7,000 MW of electricity. |
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February through the second week of March is prime time to target spawning-run saugers in the Tennessee River tailwaters below Guntersville, Wilson, and Wheeler dams. |
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Chen Deming, one of the governments top economic planners, said hydropower was a critical noncarbon energy source and described the negative impacts of dams as controllable. |
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The Romans built many dams and reservoirs for water collection, such as the Subiaco Dams, two of which fed the Anio Novus, one of the largest aqueducts of Rome. |
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With the construction of various new dams and growing hydroelectric power projects around the country, Ethiopia also plans to export electric power to its neighbors. |
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In other seasons I maintain paths, open up newly built beaver dams, and smell the large white water lilies with yellow centers and heart-shaped leaves. |
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Overseas, Halcrow led the company to work on a wide range of engineering projects, from roads, bridges and harbours in Ghana, Libya and Mozambique to dams in Venezuela. |
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Numerous structural components of dams and hydropower facilities are vulnerable to heavy macrofouling by quagga mussels including intake tower trash racks and cooling towers. |
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Most events involve large dams and small amounts of seismicity. |
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In such cases additional side dams are required to contain the reservoir. |
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Recently, environmental activists and local residents gathered near the small Chilean town of Cochrane to protest a plan to build a series of hydroelectrical dams. |
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These subaqueous dams were unpredictable and generally undetectable. |
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This has a negative effect on dams and subsequently their power stations, particularly those on rivers or within catchment areas with high siltation. |
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