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True color corrected reflectance image overlaid with chlorophyll a concentrations of southwestern South Africa from the OCI instrument aboard the PACE platform

High Chlorophyll a Concentrations off the Coast of Southwestern South Africa

Dark colors indicate high chlorophyll concentrations in this image captured on Oct 22, 2024, by the Ocean Color Instrument (OCI) instrument.

Worldview Image of the Week

Oct 25, 2024

This aerial view shows Spectacle Reef Light on the northwest side of Lake Huron, 11 miles east of Bois Blanc Island. (Courtesy US Coast Guard)

To the Lighthouse

Where is the water going in the Great Lakes?

Feature Article

Dec 28, 2020

A blue-green algal bloom on Lake Taihu, China, threatened drinking water supplies.

Cleaner Water from Space

Scientists use satellites to help keep water fit to drink.

Feature Article

Dec 27, 2020

Dr. Priscila Kienteca Lange

Dr. Priscila Kienteca Lange

Life on Earth would not be possible without the help of phytoplankton. Dr. Priscila Kienteca Lange uses NASA ocean biology data to study the biomass and distribution of these microscopic organisms.

Data User Story

Dec 22, 2020

Ben Holt

Ben Holt

Who uses NASA Earth science data? Ben Holt, to study polar sea ice, coastal oceanography, and marine pollution

Data User Story

Dec 21, 2020

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