Suspended solids and turbidity were significantly greater in the small gizzard shad treatment relative to the other treatments. |
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The filter turbidimeters continually monitor the turbidity of each filter as it goes into the clearwell. |
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The water from the source is pumped into the primary filter initially to reduce the level of turbidity, suspended solids and organic matter. |
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High-density volcaniclastic turbidity current deposits locally dominate the base of the succession and indicate steep slope gradients. |
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Under certain conditions either limited aggregation, as evidenced by turbidity, or the formation of two distinct liquid phases was observed. |
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The Dutch sedimentary petrologist and marine geologist Philip Kuenen is best known for his research on turbidity currents and their deposits. |
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Shepard was a member of the team which attempted to generate a turbidity current at the head of the Scripps Submarine Canyon. |
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It mainly treats syphilitic strangury and turbidity, diarrhea, foot qi, welling abscesses, and swollen sores. |
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Slight turbidity is a result of mucin secreted by the lining of the urinary tract. |
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All public water supplies in Laois were also fully compliant with the standards for ammonium, nitrate, nitrite, odour, pH and turbidity. |
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Individual beds are well graded and show sedimentary structures indicative of deposition by turbidity currents. |
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The region's health officials now require lower levels of turbidity in drinking water. |
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Both turbidite units are sand rich, and typically interpreted as the deposits of high-density turbidity currents. |
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Its water problems date back to January 2006 when a Drinking Water Advisory was put in place due to an increase in turbidity. |
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It is ironic that the human eye, but not the Hitachi 917, can easily distinguish the pink color of the genuine diazo reaction from the white turbidity of the precipitate. |
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Its turbidity sensor is calibrated by means of a standard solution to measure the intensity of a light ray beamed through the flowing water. |
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It is a plant of clear waters, and suffers from increased turbidity and muddiness. |
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In the upper Bay of Fundy the strong tides churn up the mud, increasing the turbidity of the water and blocking the light. |
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To this point we've looked at wasting disease, the salinity, and we're starting to look at turbidity. |
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Current threats include habitat loss or deterioration by siltation and increased turbidity, and impoundment of riffle areas. |
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This phenomenon, associated with the submersion of the terrestrial environment, contributes to an increase in turbidity. |
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We still lack a clear quantitative understanding of how turbidity affects the risk of waterborne disease. |
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Another method to decrease turbidity is applying lime, gypsum but preferably alum at a rate of 1 gram per 100 litre of water. |
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The geotextile helps to reduce turbidity and wind and wave action within the exclosure. |
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Install riprap from shore and use turbidity curtains to avoid the displacement of sediments to other areas of the inlet. |
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The result was mass mortality of sea grasses because of increased turbidity from the plankton. |
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Some are produced by submarine landslides, massive slumping, or dense, sediment-laden, gravity-driven turbidity flows. |
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For example, the destruction of aquatic vegetation and increased turbidity caused by feeding and spawning common carp is well documented. |
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In addition, the desired turbidity is achieved much faster than with other similar systems available on the market. |
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High levels of turbidity may interfere with proper water treatment and monitoring. |
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This calibration can easily be checked or corrected by using glasses of known turbidity. |
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For example, the presence of increased turbidity can lead to micro-organisms in a water supply. |
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Temperature, turbidity and salinity, and also the size of particles in suspension can be measured at the same time. |
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This function is only useful at turbidity levels in the immediate vicinity of the grab sample and not in the full range of the instrument. |
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This year, a study on the turbidity level found that the increase was due to work being done to replace a circulating pump in the system. |
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Increases in turbidity can cause displacement of many fish species. |
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The sands were emplaced by turbidity currents sourced from a delta system. |
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The Lake was originally an oligotrophic water body with hydrocarbonate-calcium ionic content, very low turbidity, and low concentrations of microelements. |
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And then the resin was washed with ethanol until no turbidity as a threefold volume of distilled water was added into the eluent. |
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A fishway was also constructed through the dyke between the diverted Harmony Creek and the marsh, allowing marsh access for most fish but excluding large carp that destroy submerged vegetation and cause increased turbidity. |
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However, the current and the turbulence and turbidity of the water prevent plants from proliferating except in a few bays where there is little movement of the water. |
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Dredging can cause changes in turbidity, destroy spawning, nesting and resting sites, and disturb the hydromorphological structure of the river bed and its ecosystems. |
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Copper redhorse are likely more sensitive than their congeners towards the increase of turbidity and silting of streams, particularly for eggs and the larvae stage. |
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Because dozens of the landslides muddied the water in three Vancouver reservoirs, turbidity levels in the water treatment system rose 30 times the target causing drinking water that had never been cloudier. |
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However, characteristics such as turbidity, colour and metals were lower after centrifugation, indicating that they are associated with suspended sediments. |
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In sectors where the riparian strip was of lower quality, water turbidity was found to increase, probably because bank erosion and soil leaching exceeded the system's adaptive capacity. |
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The inability to manage the waters of Lake Victoria, which is increasing in turbidity, bodes ill for the management of the White Nile. If fissile Sudan finally splits, that may also have repercussions for the Nile. |
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The amount of light penetrating the seawater also varies with depth and turbidity. |
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These were retransported from seashore areas by turbidity currents. |
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A slight increase in turbidity, resulting from work carried out in the water, could occur over short periods, in particular when setting up and removing the coffer dams. |
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The scheme envisaged by the department of Seine-Maritime would help farmers to invest in equipment which would limit the risks of soil sealing, runoff, mud flows and turbidity. |
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Colour, turbidity, odour, and homogeneity, i.e., the presence of floatable or settleable material, should be observed in the sample of effluent, leachate, or elutriate at the time of preparing test solutions. |
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In the quiescent zone of a bathing beach or reservoir impoundment, turbidity measurements in the vicinity of 50 NTU would be sufficient to satisfy most recreational uses, including boating and swimming. |
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In fact, the Grand Banks cable breaks offered one of the first compelling demonstrations that turbidity currents exist in deep waters. |
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Upstream from our community there are literally trees and bushes standing in the ice from the landslides, so it's created a lot of turbidity in the water. |
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Upon reaching the base of the submarine canyon, the sudden loss of gradient and confinement lessens the velocity of a turbidity current, and the suspended matter begins to drop out of suspension. |
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At the foot of the marine slope, gravitational flows lose strength forming turbidity currents that spread sediments on the bottom of the sea giving rise to turbidites. |
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We suggest that this increase in height can lead to minimizing the particle deposition in the turbidity current. |
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Remarkably, a sediment-laden turbidity current had surged over the instrument less than 5 hours after it had been deployed, says Paull. |
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But underwater turbidity currents may have played a role in carving the canyon's deepest chasms. |
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Strongly turbid samples require pretreatment before they can determined in a photometer, since the effect of turbidity can result in considerable variations in the measurement values and in false-high readings. |
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Hurricane storm surges can initiate turbidity currents from otherwise peaceful atoll and oceanic-island coral reefs. |
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This aspect is clearly demonstrated by turbidity and bacterial counts taken from the supernatant and the sediments at the end of the test period. |
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Mycoplasma can be difficult to detect in cell culture because many species do not produce turbidity or cytopathic effects. |
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On the other hand, hydrological modifications often lead to phenomena such as erosion, sedimentation and turbidity, particularly at confluences, where the tributaries must adapt to the new level in the river. |
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Secondary causes included overwash from Hurricane Carla in 1961 and increased turbidity and algal blooms after the 1950's drought ended. |
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A slumping episode may trigger other slumps farther down the canyon or may create turbid, dense slurries of water and sediment, which flow downslope as turbidity currents. |
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The use of somatic coliphages, turbidity, precipitations and salinity as indicators of the microbiological quality of molluscs and shellfish growing waters is discussed. |
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For each tested bacterial and yeast strain, a suspension was prepared in sterile normal saline and was turbidly adjusted to the McFarland 0.5 turbidity standards. |
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However, due to the steep shores and mountainous watershed of the Capilano Reservoir, landslides and erosion occasionally cause turbidity concentrations in exceedance of provincial drinking water quality standards. |
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Sediment-covered abyssal plains are less common in the Pacific Ocean than in other major ocean basins because sediments from turbidity currents are trapped in oceanic trenches that border the Pacific Ocean. |
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The thicknesses of the photic and euphotic zones vary with the intensity of sunlight as a function of season and latitude and with the degree of water turbidity. |
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Cuvettes used for measuring turbidity must be clean. |
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However, the heat treatment applied when processing the beverages can impair their quality, resulting in turbidity and gelation. |
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Low turbidity is a result of mineralogical maturity and grain-size sorting in the natural depositional environment. |
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Type B water is low in nutrients, fairly transparent, with low turbidity. |
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This caused great turbidity in the sea, after which the particles began to settle out according to particle size. |
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The depth to which light can reach in lakes depends on turbidity, determined by the density and size of suspended particles. |
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A particle is in suspension if its weight is less than the random turbidity forces acting upon it. |
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The construction process resulted in a temporary increase in turbidity of the Severn's waters. |
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The turbidity of Primo Water is 0.6 NTU which is well under the FDA's MCL of 5 NTU, according to Primo Water's 2009 Water Quality Analysis. |
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Erosion of silty soils that contain smaller particles generates turbidity and diminishes light transmission, which disrupts aquatic ecosystems. |
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Although graded bedding can form in many different environments, it is a characteristic of turbidity currents. |
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Defects of wine is dimness or its turbidity, a smell bochkovoj a mould. |
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Sediment transport is controlled by submarine landslides, debris flows, turbidity currents, and contourites. |
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The major mechanism of canyon erosion is now thought to be turbidity currents and underwater landslides. |
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These boundaries can even be visible, but usually their presence is marked by rapid changes in salinity, temperature and turbidity. |
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Geologists now attribute its formation to submarine avalanches or strong turbidity currents. |
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They may be threatened by anything that affects these needs such as water pollution, acidification and turbidity caused by erosion. |
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The water samples collected from 23 major cities were all bacteriologically contaminated and showed higher values of turbidity, nitrate and lead. |
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Turbidity was measured in nephelometric turbidity units using the Hach 2100N turbidimeter. |
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In both filtrates important physical and chemical parameters, such as colour, turbidity, total iron, manganese, and ammonia were measured as well. |
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Their productivity is largely dependent upon the turbidity of the water. |
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With the development of the discipline of sedimentology in the 1950s, attention quickly focussed on submarine processes such as debris flows and turbidity currents. |
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Much of this sediment is deposited by turbidity currents that have been channelled from the continental margins along submarine canyons into deeper water. |
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Much of this sediment is deposited from turbidity currents that have been channeled from the continental margins along submarine canyons down into deeper water. |
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Our research group has developed and used optical detectors measuring the melt turbidity, and polymer orientation using light scattering and cross-polarization principles. |
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Using distilled water, researchers prepared 1-liter suspensions of bentonite, kaolinite, and illite with turbidities of 50, 100, and 200 nephelometric turbidity units. |
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Tuna fishing tends to be optimum when water turbidity, measured by the maximum depth a secchi disc can be seen during a sunny day, is 15 to 35 metres. |
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Chelsea's new low cost UviLux hydrocarbon sensor has been re-configured for the specific requirements for both the PAH and turbidity measurements. |
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Also known as a turbidimeter, the nephelometer is an opto-electronic instrument that determines the turbidity of a liquid, or the quantity of suspended particles in a liquid. |
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Scientific instruments deployed off southern California have recorded the frequency and the violence of turbidity currents and provide hints as to what triggers them. |
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Rare, very large turbidity currents periodically deposit thick sequences of sediment on oceanic abyssal plains, but their return periods span many thousands of years. |
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The next river reach down to Prado Dam with lower gradient, overwhelmingly shifting sand substrate, increased turbidity, and dampened fluctuation in flow, lacks arroyo chubs. |
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Dissolved oxygen, conductivity, pH and turbidity were measured in situ by using a WTW multimeter connected to appropriate electrodes and a turbidimeter. |
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When the bottom of the sea has a small inclination, for example at the continental slopes, the sedimentary cover can become unstable, causing turbidity currents. |
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The rock sequence formed by a turbidity current is called a turbidite. |
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