When the blue dye resazurin encounters living microorganisms, it transforms into fluorescent pink resorufin and helps scientists understand ecosystem respiration, but it has its limitations.
color
Posted inResearch Spotlights
Mapping Ice Algal Blooms from Space
Satellite data reveal how colorful algae are melting the Greenland ice sheet.
Posted inResearch Spotlights
How Yellowing Seas Will Affect Ocean Temperatures
Materials that trap solar heat at the sea surface could cause more extreme temperatures.
Posted inNews
The Deep Blue Sea Is Getting Bluer
Ocean color will intensify in the next century due to global warming altering phytoplankton communities.
Posted inNews
One-Pixel Views of Earth Reveal Seasonal Changes
By averaging satellite images of the Earth down to a single pixel, researchers trace how the planet’s mean color varies over time, results that inform observations of distant exoplanets.
Posted inResearch Spotlights
Yellow Detritus in the Oceans May Help Reduce Warming
Dissolved organic matter in the oceans absorbs light near the water’s surface, leading to cooler waters that may help mitigate regional climate warming.
Posted inEditors' Highlights
Nutrients May Change Flavor of “Meadow Tea” in Lakes
Lakes in the US and Europe have been getting more tea-colored over the past 30 years, and this “browning” trend may increase nutrient levels and affect lake water quality.
Posted inResearch Spotlights
Refining Remote Sensing of Dissolved Organic Carbon in Waterways
Nearby vegetation affects the color of organic matter, a new study finds.
Posted inEditors' Highlights
Advancing Satellite Ocean Color Observations
A new derived algorithm for particle backscattering and multi-year VIIRS climatology improves ocean color parameterization in highly turbid coastal and inland waters.
Posted inScience Updates
Toward a Satellite-Based Monitoring System for Water Quality
Water Quality Workshop for End Users; Greenbelt, Maryland, 27 September 2017