algae bloom monitoring Articles

  • Algal blooms: What are they?

    Algal blooms are also known as marine blooms or water blooms, and are actually a sudden increase in the population of algae in water scenery. Algal blooms usually take place in freshwater, such as lakes and water reservoirs as well as in marine milieus. They can be easily identified by coloration of the water ensuing from the high density of pigmented cells. Though many types of algae can form ...


    By LG Sonic

  • Case study - Control and monitor algae in a lake

    As part of the Clearwater PMPC project, 2 MPC Buoys were deployed in the Skrzyneckie Małe Lake to test the performance of this unique technology. The Challenge: Control and Monitor Toxic Algal Blooms The ClearWaterPMPC project was initiated by LG Sound and funded by "Research for SMEs" within the EU 7th Framework Programme. The goal of the ClearWaterPMPC (Predicting, ...


    By LG Sonic

  • Impacts of Climate Change on the Occurrence of Harmful Algal Blooms

    Climate change has been occurring naturally as well as caused by anthropogenic activities over the decades. In relation to the fresh and marine water, the concentration of greenhouse gases results in temperature rise of surface water, lower pH and changes to precipitation, evaporation and vertical mixing of water. All these consequences of changing the environment in combination with excessive ...


    By LG Sonic

  • Map Algal Blooms with Satellite Remote Sensing Technology

    The quality of water bodies is a key determinant in the usability of the resource for the purpose required. It is therefore of great importance to managers of hydrologic resources to be able to confidently tell the status of their water resource. One of the major problems in the quality of surface water bodies is the blooming of algae and blue green algae. Algal blooms can result in ecological, ...


    By LG Sonic

  • Impacts of Climate Change on the Occurrence of Harmful Algal Blooms

    Climate change has been occurring naturally as well as caused by anthropogenic activities over the decades. In relation to the fresh and marine water, the concentration of greenhouse gases results in temperature rise of surface water, lower pH and changes to precipitation, evaporation and vertical mixing of water. All these consequences of changing the environment in combination with excessive ...


    By LG Sonic

  • Algae Enumeration and Identification

    Algae Enumeration and Identification Algae are ubiquitous in virtually all aquatic environments and are important bioindicators of water quality. They are frequently used to assess and monitor the health of aquatic systems. On the other hand, they are also responsible for imparting undesirable flavors to potable water supplies and pose potential health threats, particularly during algal blooms. ...


    By Analytical Services, Inc

  • Algae Control Solution for Chilean Salmon Industry?

    Since February 2016, Salmon farms in Chile have been suffering from an intensive Harmful Algal Bloom (HAB) which is causing massive numbers of salmon deaths. Ultrasonic technology combined with algae detection could be the solution for an industry facing economic losses totaling millions. Currently the Dutch algae control company, LG Sonic, is discussing the implementation of ultrasonic ...


    By LG Sonic

  • Case study - Algae control in facultative oxidation lagoon

    In June 2012, the Brazilian public water company Sabesp decided to install one LG Sonic e-line device at their facultative oxidation lagoon in Itapetininga. The Challenge: Blue-green Algae Cause Operational Problems Nuisant odours caused by periodic occurrence of excessive quantities of filamentous, and blue-green algae were posing operational problems at the facultative ...


    By LG Sonic

  • Case study - Algae control in East Dorset raw water reservoir

    Bournemouth Water has installed four MPC-Buoy systems to monitor and control algal blooms at Longham Lakes. After the installation of the MPC-Buoy systems a dramatic reduction in the concentration of algae was experienced. The Challenge: Installing an Environmentally Friendly Solution to Control Algal Blooms The objective of the project was to reduce algae concentrations . ...


    By LG Sonic

  • Case study - Algae control in New Jersey raw water reservoir

    Four solar-powered algae control buoys were installed in the Canoe Brook Reservoir #1 in Short Hills, NJ to assess the impact of the system for controlling algae and cyanobacteria in the raw water reservoir. The four buoys operated for five months in the spring/summer 2014. The Challenge: Address Episodic Taste and Odor Events The primary objective of this project was to ...


    By LG Sonic

  • Satellite analysis to identify changes and drivers of CyanoHABs dynamics in Lake Taihu

    A long-term satellite-based analysis was performed to assess the impact of environmental factors on cyanobacterial harmful blooms (CyanoHABs) dynamics in a typical shallow lake, Lake Taihu. A sub-pixel approach (algae pixel-growing algorithm) was used with 13 years of MOderate-resolution Imaging Spectroradiometer (MODIS) data to evaluate changes in bloom extension, initiation date, duration, ...


    By IWA Publishing

  • What’s in Your Water

    Water can be said to be the essence of life. Indeed, in many indigenous cultures, water is strongly linked to a people’s cultural identity. With the unfortunate news about the amount of lead found in Flint, Michigan’s public water system, perhaps more scrutiny and resources will be designated to improve and monitor this vital resource. But before you pour water into your glass, ...

  • 3 Common Water Quality Concerns

    About 10 percent of pond owners experience water quality problems in their ponds. Unfortunately, most pond owners pay little attention to managing the quality of water and never get it tested. As a result, the problem is detected only when it gets worst. Water quality is influenced by both natural processes and external environmental factors.Natural factors may include the types of rock and soil ...


    By LG Sonic

  • Fate and behavior of rotenone in Diamond Lake, Oregon following invasive tui chub eradication

    In September 2006, Diamond Lake was treated by the Oregon Department of Fish and Wildlife with a mixture of powdered and liquid rotenone in the successful eradication of invasive tui chub Gila bicolor. During treatment, the lake was in the middle of a phytoplankton (including cyanobacteria Anabaena sp.) bloom, resulting in an elevated pH of 9.7. Dissipation of rotenone and its major metabolite ...


    By John Wiley & Sons, Ltd.

  • Lasting improvements with phosphorus binding in Lake Kirkkojärvi case study

    When a lake’s natural balance is shaken, the waters can be cleaned and restored to health. There are many ways to restore a lake. One of the most effective methods is chemical restoration. A clear case of improvement, Lake Kirkkojärvi in Rymättylä, Finland, was restored in 2002 and 2005 and is according the southwest division of the Finnish Centre for Economic Development, ...


    By Kemira Water Solutions, Inc.

  • Remote Sensing Techniques to detect Surface Water Quality Constituents in Coastal and Inland Water Bodies from Point or Non Point Pollution Sources

    This study demonstrates that point and non-point pollution sources in coastal and inland water bodies can be identified and monitored using remote sensing techniques so early corrective action can be take to prevent or minimize Harmful Algae Blooms (HAB’s). By tracking these changes in the remote sensing images could be very beneficial in establishing cleanup and restoration efforts for improving ...

  • Pea Soup: A Second Helping

    In my February blog, I introduced you to a pretty serious situation which is taking place in many parts of the country and all over the world: algal blooms, cyanobacteria and cyanotoxins.  Well, it looks like last year's problems are once again repeating themselves.  First a quick refresher... Cyanotoxins are a group of toxic compounds produced by cyanobacteria.  They can be ...


    By Kinetico Incorporated

  • How we can save coral reefs (and why we should want to)

    As oceans grow warmer and more acidic, scientists are developing new strategies to rescue the “rainforests of the sea.” Coral reefs are among the most beautiful ecosystems on Earth — “a jeweled belt around the middle of the planet,” in oceanographer Sylvia Earle’s words. They also are extremely valuable. Reefs cover less than one-tenth of 1 percent of ...


    By Ensia

  • Case study - Singapore gardens an Environmental sustainability showcase

    Opened in spring 2012, Gardens by the Bay features an aquatic ecosystem with sustainable water cycles Singapore government officials’ vision to become a “city in a garden” came to fruition by redeveloping Marina Bay and boldly allocating prime land and a hefty budget for that purpose. Years of construction later, the Gardens by the Bay officially opened in the spring of ...

  • SolarBee Technical Bulletin

    A. SOLARBEE OVERVIEW 1. Origin of the SolarBee. Pump Systems, Inc. (PSI) developed, built and installed its first solar powered mixer in Dickinson, ND, in the summer of 1998. It was installed into a 30 acre x 13 foot deep municipal wastewater reservoir which had a long history of toxicity associated with ammonia, odor, and stratification problems. In six weeks the entire reservoir cleared up to ...


    By Medora Corporation

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