chlorophyll-a monitoring Articles
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Dynamic Ressource Management: Contribution of the Chlorophyll-a Monitoring in Karstic Systems - Case Study
Main goals: Characterize a karst system exploited by springs and wells Characterize the surface karst water connections Results: Well on the Drain Annex System (DAS) Sping on the main karstic Drain (D) Opportunities: Inversion monitoring (estavelle) and dynamic pumping management in karstic systems ...
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Monitoring of phytoplankton biomass and nutrients in a polluted stream
The spatial and temporal variations in the concentrations of nutrients (NH4+, NO2−, PO43−, SiO4−) and chlorophyll a were monitored simultaneously in a slow-flowing watercourse (Saricay Stream, Turkey), which runs in a ruralurban gradient. Chlorophyll a concentrations ranged between 0.044 g l-1 and 206.15 g l-1 and, in general, the higher concentrations of chlorophyll a and ammonium were measured ...
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Algae Bloom Detection for Desalination Plants
Despite the fact that water covers 70 percent of the planet, a mere 3 percent of that water is fresh. Most of the planet’s freshwater is not readily available. The water systems that perpetuate ecosystems are stressed by a growing human population, disappearing wetlands, agricultural consumption and droughts related to climate change. At present, 14 of the world’s 20 largest cities ...
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Creeping bentgrass color and quality, chlorophyll content, and thatch–mat accumulation responses to summer coring
Coring is a common cultural practice used on golf courses. The reported effects of coring alone on thatch–mat accumulation have been mixed. The objectives of this field study were to examine the effects of spring and summer coring on thatch–mat thickness and organic matter accumulation in creeping bentgrass (Agrostis stolonifera L.). Turfgrass color and quality and chlorophyll content were also ...
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Luxury production of leaf chlorophyll and mid-season recovery from nitrogen deficiencies in corn
Deficiencies of N during the growth of corn (Zea mays L.) are often diagnosed by using chlorophyll meters that measure chlorophyll content in leaves. The diagnoses are based on the assumption that above-optimal supplies of N do not significantly influence chlorophyll meter readings (CMRs). The objective of this research was to assess the possibility that above-optimal supplies of N impacted ...
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Why 2017 is LG Sonic’s best year yet
2017 was another successful year for LG Sonic. The company’s revenue grew for the fifth consecutive year and with new MPC-Buoy installations in Belgium, United Kingdom, Ecuador, Peru and United States, LG Sonic is now running MPC-Buoy algae control projects in more than 17 countries worldwide. Next year will see the introduction of MPC-Lab, this system will combine the most innovative ...
By LG Sonic
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Can harmful algal blooms be predicted?
Summer 2015, as the eighth month of the year approaches (August), we are starting to hear and read in the news about sudden algal blooms occurring in freshwater lakes and marine environments. Many popular beach resorts have put up warning signs proclaiming the water is unsafe for recreational purposes. This is an understandable precautionary measure since phytoplankton abundance or more ...
By LG Sonic
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Monitoring Environmental Quality
' In order to determine the effectiveness of actions to improve environmental quality it is necessary to be able to measure relevant environmental parameters at a level of detail which is accurate enough to distinguish the anticipated changes. However, the establishment and maintenance of monitoring systems is time-consuming and expensive and therefore the scale of such systems needs to be kept ...
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