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Chlorophyll Data Access and Tools

From discovery to visualization, data tools such as Earthdata Search, Panoply, and SeaDAS guide users in making the most of chlorophyll data.

Chlorophyll Datasets

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Dataset Version Platform Instrument Temporal Extent Spatial Extent Spatial Resolution Data Format
Sentinel-3A OLCI Level-2 Regional Earth-observation Full Resolution (EFR) Ocean Color (OC) Data, version 2022.0 2022.0 Sentinel-3A OLCI 2016-04-05 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3A OLCI Level-2 Regional Earth-observation Reduced Resolution (ERR) Ocean Color (OC) - Near Real-time (NRT) Data, version 2022.0 2022.0 Sentinel-3A OLCI 2016-04-05 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3A OLCI Level-2 Regional Earth-observation Reduced Resolution (ERR) Ocean Color (OC) Data, version 2022.0 2022.0 Sentinel-3A OLCI 2016-04-05 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3A OLCI Level-3 Global Binned Earth-observation Reduced Resolution (ERR) Chlorophyll (CHL) - Near Real-time (NRT) Data, version 2022.0 2022.0 Sentinel-3A OLCI 2016-04-05 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3A OLCI Level-3 Global Binned Earth-observation Reduced Resolution (ERR) Chlorophyll (CHL) Data, version 2022.0 2022.0 Sentinel-3A OLCI 2016-04-05 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3A OLCI Level-3 Global Mapped Earth-observation Reduced Resolution (ERR) Chlorophyll (CHL) - Near Real-time (NRT) Data, version 2022.0 2022.0 Sentinel-3A OLCI 2016-04-05 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3A OLCI Level-3 Global Mapped Earth-observation Reduced Resolution (ERR) Chlorophyll (CHL) Data, version 2022.0 2022.0 Sentinel-3A OLCI 2016-04-05 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3B OLCI Level-2 Regional Earth-observation Full Resolution (EFR) Ocean Color (OC) - Near Real-time Data, version 2022.0 2022.0 Sentinel-3B OLCI 2018-04-25 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3B OLCI Level-2 Regional Earth-observation Full Resolution (EFR) Ocean Color (OC) Data, version 2022.0 2022.0 Sentinel-3B OLCI 2018-04-25 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3B OLCI Level-2 Regional Earth-observation Reduced Resolution (ERR) Ocean Color (OC) - Near Real-time (NRT) Data, version 2022.0 2022.0 Sentinel-3B OLCI 2018-04-25 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3B OLCI Level-2 Regional Earth-observation Reduced Resolution (ERR) Ocean Color (OC) Data, version 2022.0 2022.0 Sentinel-3B OLCI 2018-04-25 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3B OLCI Level-3 Global Binned Earth-observation Reduced Resolution (ERR) Chlorophyll (CHL) - Near Real-time (NRT) Data, version 2022.0 2022.0 Sentinel-3B OLCI 2018-04-25 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3B OLCI Level-3 Global Binned Earth-observation Reduced Resolution (ERR) Chlorophyll (CHL) Data, version 2022.0 2022.0 Sentinel-3B OLCI 2018-04-25 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3B OLCI Level-3 Global Mapped Earth-observation Reduced Resolution (ERR) Chlorophyll (CHL) - Near Real-time (NRT) Data, version 2022.0 2022.0 Sentinel-3B OLCI 2018-04-25 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
Sentinel-3B OLCI Level-3 Global Mapped Earth-observation Reduced Resolution (ERR) Chlorophyll (CHL) Data, version 2022.0 2022.0 Sentinel-3B OLCI 2018-04-25 to Present

N: 90 S: -90 E: 180 W: -180

netCDF-4
SHIFT: AVIRIS-NG Derived Plant Functional Trait Mosaics 1 B-200 AVIRIS-NG 2022-02-24 to 2022-05-29

N: 34.9119 S: 34.3535 E: -119.866 W: -120.632

COG
SHIFT: Photosynthetic and Leaf Traits, Santa Barbara County, 2022 1 FIELD SURVEYS SURVEYING TOOLS 2022-02-23 to 2022-09-27

N: 34.7445 S: 34.3979 E: -119.52 W: -120.5

multiple
SISTER: Experimental Workflows, Product Generation Environment, and Sample Data, V004 4 NOAA Twin Otter, NASA ER-2 AVIRIS 2011-05-13 to 2018-01-26

N: 39.0817 S: 21.2023 E: -107.962 W: -158.055

multiple
S-MODE L2 Shipboard Bottle Data Version 1 1 Ships WATER BOTTLES, SALINOMETERS 2021-10-22 to 2023-05-02

N: 38.1 S: 36.3 E: -122.9 W: -125.4

netCDF-4
S-MODE L2 Shipboard Conductivity, Temperature, and Depth Measurements Version 1 1 Ships CTD 2021-08-01 to 2023-05-05

N: 38.1 S: 36.3 E: -122.9 W: -125.4

netCDF-4
S-MODE L2 Shipboard Thermosalinograph, Meteorology, and Bio-optics Measurements Version 1 1 Ships THERMOSALINOGRAPHS, FLUOROMETERS 2021-08-01 to 2023-05-04

N: 38.1 S: 36.3 E: -122.9 W: -125.4

netCDF-4
S-MODE L2 Temperature and Salinity from Saildrones Version 1 1 Saildrone ADCP 2021-09-01 to 2022-10-31

N: 38.1 S: 36.3 E: -122.9 W: -125.4

netCDF-4
S-MODE Level 3 Seaglider Observations Version 1 1 SEAGLIDER CTD 2022-08-23 to 2023-07-07

N: 38.1 S: 36.3 E: -122.9 W: -125.4

netCDF-4
S-MODE PRISM Level 2 Water Surface Chlorophyll-a Version 1 1 G-III PRISM 2022-10-19 to 2023-05-10

N: 40 S: 35 E: -122 W: -130

netCDF-4
S-MODE Saildrone Level 1 Observations 1 Saildrone ADCP 2021-10-01 to 2022-11-30

N: 38.1 S: 36.3 E: -122.9 W: -125.4

netCDF-4
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Featured Water Quality Observation Method: PACE

NASA's Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) platform measures the distribution of phytoplankton, a key indicator of ocean health. Aboard PACE is the Ocean Color Instrument (OCI), a highly advanced optical spectrometer used to measure substances or particles present in seawater such as chlorophyll, a green pigment found in most phytoplankton species. Monitoring global chlorophyll and phytoplankton distribution and abundance help us better understand water quality and the complex systems that drive ocean ecology.

Learn More About PACE
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.
6 MIN READ
An artist's illustration of the SWOT satellite orbiting over clouds, land, and ocean across the Earth below.

Preparing for Oceans of Data

Careful calibration and validation ensure that the Surface Water and Ocean Topography mission will provide the best data possible.
7 MIN READ
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.

Chlorophyll Data Tools

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Tool Description Services
STREAM STREAM is a rapid water quality monitoring tool that processes satellite imagery to create maps showing chlorophyll-a, Total Suspended Solids, and water clarity at 20-30 meter resolution. Processing
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