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NOAA STAR Ocean Color Science Team

We experienced some disk failures, and data before 2020 are temporarily offline.

False color imagery of Sargassum and Noctiluca blooms in East China Sea on May 13, 2020 RSE 239, 111659 (2020)
An article on gap-filled OC products by Liu & Wang in recent EOS (click for details)
Algae bloom in Lake Erie on March 15, 2020 (NOAA-20)
Sand blown from Namib desert over South Atlantic on September 25, 2019
Green macroalgae bloom in Yellow Sea near Qingdao on June 24, 2019
Algae bloom east of Hokkaido (Japan) on June 2, 2019
Algae bloom in Gulf of Mexico after Hurricane Michael on October 13, 2018 (NOAA-20)
High chlorophyll-a anomaly linked to harmful algae bloom in west Florida, July 26, 2018
Sediment plumes around Mississippi river delta on April 17, 2018 (NOAA-20)
Algae bloom near Falklands islands on December 28, 2017 (NOAA-20)
Algae bloom in West Lake Erie on September 24, 2017
Near-real-time VIIRS-SNPP global true color image Near-real-time VIIRS-NOAA20 global true color image Near-real-time VIIRS-SNPP global chlorophyll-a image Near-real-time VIIRS-NOAA20 global chlorophyll-a image

VIIRS SNPP and NOAA-20 merged & gap-filled daily global chlorophyll-a

Near-real-time VIIRS SNPP and NOAA-20 merged global chlorophyll-a image Near-real-time VIIRS SNPP and NOAA-20 merged and gap-filled global chlorophyll-a image

Disclaimer: VIIRS/NOAA-20 data are now in provisional status, but data quality of OC products may still have some issues.

The ocean color science team in the Center for Satellite Applications and Research (STAR) of NOAA/NESDIS seeks to develop improved ocean color products from the current and future ocean color satellite sensors including the Sea-viewing Wide Field-of-view Sensor (SeaWiFS), the Moderate Resolution Imaging Spectroradiometer (MODIS), and the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi National Polar-orbiting Partnership (SNPP) and the Joint Polar Satellite System (JPSS), as well as various satellite sensors from other countries, e.g., the Medium Resolution Imaging Spectrometer (MERIS), Korean Geostationary Ocean Color Imager (GOCI), Sentinel-3 Ocean Land Colour Instrument (OLCI), GCOM-C Second-Generation Global Imager (SGLI), etc. The ocean color science team is currently focusing on:

  1. Characterization and calibration of satellite ocean color instrument (e.g., VIIRS, MODIS);
  2. Satellite on-orbit vicarious calibration using in situ measurements;
  3. Understanding, evaluating, and refining satellite ocean color data processing system (i.e., MSL12);
  4. Routine global ocean color data processing from Level-0 to Level-1B, Level-1B to Level-2, and Level-2 to Level-3;
  5. The end-to-end satellite ocean color data processing capability and system;
  6. Development and improvement of satellite retrieval algorithms in global open ocean and coastal and inland water regions;
  7. In situ data processing, evaluation, and improvement;
  8. Implementing and transitioning research algorithms to the NOAA operational data system;
  9. Various ocean color data research and applications in global open ocean and coastal and inland waters.

The STAR Ocean Color Science Team is also the NOAA VIIRS Ocean Color Environmental Data Records (EDR) Team, responsible for providing high quality VIIRS global ocean color products. Here we show results from VIIRS-SNPP.