Delivery of new Suomi NPP data ceases on Nov. 2, 2026. Users should transition to alternative products. Suomi NPP data announcement

Migration to Consolidated Ingest and Archive will interrupt data ingestion at PO.DAAC, ASF DAAC, and GES DISC on Oct. 28-30, 2026. Read more

OLCI Resources

Earthdata resources for users working with NASA’s Ocean and Land Colour Instrument (OLCI) include tutorials and other learning resources, news announcements such as instrument updates and data releases, user guides and related documents, and frequently asked questions.

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Monitoring Water Quality in Lakes and Coastal Regions Using STREAM

This ARSET training introduces STREAM, a web tool for monitoring chlorophyll-a concentration, Secchi disk depth, and total suspended solids in inland lakes and coastal regions.

Training

Feb. 10-17, 2026

Overview of SeaDAS 8.4.1 for the Processing, Analysis, and Visualization of Optical Remote Sensing Data for Water Quality Monitoring

This ARSET training provides an overview and demonstration of the latest version of SeaDAS 8.4.1, which is useful for remote sensing of water quality.

Training

Feb. 13, 2024

Monitoring Water Quality of Inland Lakes using Remote Sensing

This ARSET training focuses on using remote sensing observations for assessing water quality parameters in inland lakes.

Training

July 18-25, 2023

Image of Rupert Bay shows water stained dark brown with tannins and lignins from rivers flowing through boreal forests and wetlands.

Monitoring Coastal and Estuarine Water Quality Using Remote Sensing and In Situ Data

This ARSET training provides participants with the skills to combine in situ measurements and optical remote sensing data to assess water quality.

Training

Nov. 30 - Dec. 7, 2021

Monitoreo de la Calidad de Aguas Costeras y Estuarinas: La Transición de MODIS a VIIRS

Esta capacitación de ARSET cubre similitudes y diferencias entre MODIS y VIIRS para monitoreo de calidad del agua.

Training

Sept. 14-21, 2021

Monitoring Coastal and Estuarine Water Quality: Transitioning from MODIS to VIIRS

This ARSET training provides an overview of the similarities and differences between MODIS and VIIRS for water quality monitoring.

Training

Sept. 14-21, 2021

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OLCI News

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Let the Water Quality Information Flow with NASA STREAM

An upcoming training offered by NASA's ARSET program introduces a web-based platform for monitoring lake and coastal water conditions using satellite data.

News

Dec. 19, 2025

image of ocean color data layer in NASA Worldview

Worldview Adds 15 New Data Layers

New ocean color, nighttime lights, corrected reflectance, and other layers have been added to Worldview's extensive catalog of satellite imagery.

News

May 14, 2024

LAADS DAAC Completes Phase 1 Dataset Migration to the Cloud

The migration is part of NASA’s Earthdata Cloud Evolution, which gives users new ways to access NASA Earth science data.

News

April 14, 2023

Image of seegers standing on a dock with a yellow glider in the water below her

Dr. Bridget Seegers

Who uses NASA Earth science data? Dr. Bridget Seegers, for developing new ways to study water quality and track harmful algal blooms.

Data User Story

April 22, 2021

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