algae bloom Articles

  • Economic impact of algae blooms

    How much does an algae bloom cost? What is the price of inaction? Algae and cyanobacteria blooms are issues of considerable concern for environmental agencies, drinking water companies, municipalities and people alike. The incidence of Harmful Algae Blooms (HAB), along with its adverse effects, have been increasing in recent years as a result of climate change, increased fertilizer runoffs into ...


    By LG Sonic

  • LG Sonic to automatically predict algal blooms

    LG Sonic will make use of Artificial Intelligence (AI) to further develop the software algorithm which will make it possible to predict algal blooms based on water quality data automatically. Furthermore, it will provide detailed information about the intensity and the impact of the algal bloom on the ecosystem of the water body. The updated algorithm will be implemented in LG Sonic’s ...


    By LG Sonic

  • Cyanobacterial Blooms

    Cyanobacterial blooms can lead to a depletion of oxygen in the water, a release of toxins, as well as taste and odour problems. Cyanobacteria, also known as blue-green algae are found in the oldest known fossils, dating back 3.5 billion years. They were the organisms that caused the first mass extinction on earth, but are also the reason for the earth as we know it today. They released the first ...


    By LG Sonic

  • Surface Water / Algae Blooms Case Study

    Challenge The city river in Berlin is contaminated to the point that fish death events are common. Combined sewage overflows, stormwater runoff and the high traffic of ships are the main sources of contamination. The high amount of nutrients and the high tempratures in the summer make the river prone to algae blooms. For these reasons, the shore of the river was selected as the first ...


    By akvola Technologies

  • Lowering the blooms

    Algae blooms are a regular occurrence at the Canoe Brook Water Treatment Plant in Short Hills, New Jersey. Over the past five years, the plant team has tried various methods to control the growth, which typically persists for weeks or months during late spring and summer. Contributing to the problem is a fairly shallow reservoir that allows sunlight to penetrate to the bottom of the lake, and ...


    By LG Sonic

  • LG Sound integrates new technology to detect toxic algae blooms

    LG Sound introduces satellite remote sensing technology in order to detect toxic algae blooms. Satellite remote sensing allows for detection of water quality from a distance with information obtained from satellites. Together with several European universities we discovered that different types of algae require different types of ultrasonic treatment. Therefore, it is important to detect ...


    By LG Sonic

  • Algal bloom causes and prevention

    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

  • 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

  • Algae Problems

    Almost everywhere where water is being stored, algae problems may occur. When water is stagnant, has a high temperature or a high concentration of Nitrates and Phosphates, an algae bloom might occur, which can cause several problems. Blue-green algae growth can cause a foul odour to the water, a layer of scum on the surface and even pose a health risk. Green algae may colour the water green, look ...


    By LG Sonic

  • 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

  • The blooming Baltic Sea case study

    The Baltic Sea is one of the world’s most polluted seas. This easternmost extension of the Atlantic Ocean suffers from a slow residence time which makes the small and shallow water pool particularly vulnerable to the pollution generated by 14 surrounding countries, including Russia, Scandinavia and the Baltic States. Over the course of centuries, a massive amount of nutrients originating ...


    By Kemira Water Solutions, Inc.

  • Removal of volatile organic sulfur compounds by aeration during algae-induced black blooms in shallow lakes

    High levels of volatile organic sulfur compounds (VOSCs) have frequently been detected during algae-induced black blooms, which pose an ecological threat to water bodies and their surrounding residents. In this study, aeration was applied to remove the VOSCs after the outbreak of a black bloom. The removal efficiencies under different aeration rates (A1 (0.06 m3-air min−1 ...


    By IWA Publishing

  • Occurrence of phosphorus, iron, aluminum, silica, and calcium in a eutrophic lake during algae bloom sedimentation

    Phosphorus (P) in a water body is mainly controlled by the interaction between surface sediment and the overlying water column after the complete control of external pollution. Significant enhancement of P in a water body would cause eutrophication of lakes. Thus, a better understanding is needed of the occurrences of P between the sediment and water column in eutrophic lakes. Here, we ...


    By IWA Publishing

  • 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

  • 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

  • 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

  • How Ultrasound Controls Algae

    Controlling algae with low-power ultrasound is a well-established technology that has been in existence for many years. It is an environmentally-friendly technology that is harmless to fish and plants. This article explains how ultrasound controls algae, including the five most common questions related to ultrasonic algae control. Algal blooms cause reduced light penetration, depletion of oxygen, ...


    By LG Sonic

  • Algae Control in Lakes and Reservoirs

    There are plenty of harmful algal bloom related cases worldwide but what is evident is that their number elevates with each year. Excessive cyanobacteria (blue-green algae) and green algae growth in a water reservoir can have negative consequences for the water quality. The water turns green, sand filters can clog, and some algae can produce geosmins and MIB, giving the water an ...


    By LG Sonic

  • Why it is Important to Control Algae Growth

    A combination of high temperatures, stagnant water and nutrient overload can result in excessive algae growth. These so-called algal blooms can lead to a depletion of oxygen in the water, release of toxins and taste and odor problems. Without treatment, the algae will grow more every year, resulting in an unbalanced ecosystem. Therefore, it is important to control algal blooms for a healthy ...


    By LG Sonic

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