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harmful algal blooms

A red tide washes over a Florida beach.
Posted inFeatures

Florecimientos de algas nocivas: nada bueno, solo lo malo y lo feo

by James E. Silliman 20 July 202320 July 2023

Diversos factores humanos y naturales están generando florecimientos de algas nocivas cada vez más frecuentes y prolongados. Estudios recientes han comenzado a revelar la magnitud del problema y nos informan sobre soluciones potenciales.

Maps of the Great Lakes region using different colors to show nutrient concentrations.
Posted inEditors' Highlights

Analyzing Sources of Pollution in the Great Lakes

by Luis Lassaletta 11 April 20237 June 2023

Understanding how agriculture and land use affect nutrient flows and concentrations in the vast area of the Great Lakes is an essential step to developing sustainable management strategies.

Aerial view of tributaries entering a larger river with an inset close-up of aquatic plants
Posted inResearch Spotlights

High-Frequency Monitoring Reveals Riverine Nitrogen Removal

by Saima May Sidik 25 October 202226 October 2022

Years of daily readings provide an unprecedented view into how a submerged aquatic meadow kept nitrogen from reaching the St. Lawrence Estuary as well as insights on how climate change may alter it.

A red tide washes over a Florida beach.
Posted inFeatures

Harmful Algal Blooms: No Good, Just the Bad and the Ugly

by James E. Silliman 9 September 202214 September 2022

Natural and human factors are leading to larger, more frequent, and longer-lasting algae blooms. Recent research is increasingly revealing the scope of the problem and informing potential responses.

A satellite image of a bright green algae bloom in the dark blue waters of Lake Erie
Posted inNews

A New Technique Could Identify Algae from Space

Hannah Thomasy, Science Writer by Hannah Thomasy 6 December 202127 March 2023

Some types of algal blooms produce dangerous toxins, while others are relatively harmless to humans.

A satellite image of a bright green algae bloom in the dark blue waters of Lake Erie
Posted inResearch Spotlights

Cyanobacteria Blooms Exceed WHO Thresholds in Midwest Lakes

by Rebecca Dzombak 16 November 20216 June 2022

A study of 369 lakes across the Midwest finds that many of them, especially those close to agriculture, have high concentrations of harmful algal bloom-causing cyanobacteria.

Green-hued water laps the shoreline at a beach on Lake Erie
Posted inResearch Spotlights

Remote Sensing of Algal Blooms Can Improve Health and Save Money

by David Shultz 27 August 20206 June 2022

Using satellites to detect cyanobacterial algal blooms can foster faster decision-making that reduces harm to public health as well as associated costs.

An algal bloom covers the surface of Lake Vansjø in Norway near the shore as children board canoes.
Posted inResearch Spotlights

Stored Nutrients and Climate Warming Will Feed More Algal Blooms

Elizabeth Thompson by Elizabeth Thompson 6 January 20206 June 2022

High nutrient concentrations cause water quality problems in lakes, and as the climate warms, these issues will only get worse. A new model assesses future scenarios and explores solutions.

A small wave, green with algae, crashes on the beach of Lake Erie.
Posted inNews

Toxic Algal Blooms Are Worsening with Climate Change

Kate Wheeling, freelance science writer by Kate Wheeling 13 November 20196 June 2022

Researchers use remote sensing technology to carry out a global survey of large freshwater lakes.

Meltwater flows in a canyon around 30 meters deep in Greenland.
Posted inResearch Spotlights

Mapping Ice Algal Blooms from Space

by E. Underwood 17 April 20196 July 2022

Satellite data reveal how colorful algae are melting the Greenland ice sheet.

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Features from AGU Journals

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“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
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“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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