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OB.DAAC News

Read the latest news stories, feature articles, user stories, and blog posts that feature data archived by NASA's Ocean Biology Distributed Active Archive Center (OB.DAAC).
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For real-time announcements about data outages, releases, and retirements, see our list of Data Alerts and Outages.

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Icebergs circulate in the South Atlantic Ocean currents near the island of South Georgia. Around them, phytoplankton is blooming, creating large green-tinted swirls in this NASA Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) Ocean Color Instrument (OCI) acquired on January 5, 2025.

Discover the Help Hub for Ocean Color Learning Resources

The Help Hub hosted by NASA's Ocean Biology Distributed Active Archive Center (OB.DAAC) has been updated with new learning resources for processing ocean color satellite data, working with Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) data, and more.
News
This rectangular image shows phytoplankton levels along Florida and the East Coast of the United States, the Bahamas, and Cuba. Land is colored in muted shades of brown and green, water is dark blue, and snow is white. Nearshore are bands of light to dark green depicting picoeukaryote organism levels. Further out to sea are regions in variations of light blue showing the presences of prochlorococcus cyanobacteria.

New PACE Data Tutorials

A series of Jupyter notebook tutorials show how to retrieve and use data from NASA's Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission.
News
image of Earthdata graphic identifier design on top of data points

Second Airborne and Field Data Workshop

Organized by the Airborne and Field Data Working Group, the Second Airborne and Field Data Workshop gathered input to improve the usability of airborne and field data, with a focus on tools and standards.
Event
This is an image showing simulated chlorophyll concentrations in the ocean on March 21, 2022. The image has a black background. Regions colored in blue represent areas of low chlorophyll concentration, green are medium, and red areas have high levels. The image has strips of black running through the colored areas from the upper left to the lower right to show PACE’s orbital track around the globe and places across the ocean where it has not scanned.

Preparing for PACE Data

Simulated data help Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) users prepare a day in the life of the new satellite.
Feature Article
Image of a lake with bright green along shore indicating algal blooms and colored dots indicating higher probabilities of these blooms

Applying Machine Learning to Harmful Algal Blooms

The open-source Cyanobacteria Finder (CyFi) uses machine learning to pinpoint areas that may contain harmful algal blooms in lakes, reservoirs, rivers, and other small water bodies.
Blog
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