Chlorophyll-a Satellite Data for the Estuary and the Gulf of St. Lawrence

10.26071/ogsl-5mak-9r77

The colour of seawater, seen from space, is used to estimate the chlorophyll content in the water. This pigment is an index of the biomass of microscopic algae. Compared to the Atlantic Ocean, the waters of the Estuary and the Gulf of St. Lawrence are rather isolated and are strongly mixed with fresh water from many rivers.

The method for retrieving chlorophyll must be adapted to these specificities. This dataset presents the result of a method developed to find the concentration of chlorophyll-a derived by various satellites (5) in the estuary and the Gulf of St. Lawrence. The two satellites (AQUA and VIIRS) are still active and collect daily data.

NOTE OF USE: The gridded data are available for viewing and downloading via the ERDDAP platform, and the original non-gridded files are included in CSV format in the resources.

This dataset is the first version of the model. To access later versions, please refer to this link.

This project is part of the Coastal Environmental Baseline Program Initiative under the Oceans Protection Plan of Fisheries and Oceans Canada.

Access and Use

Licence: Creative Commons Attribution 4.0

Data and Resources

R Algoritm DescriptionPDF

A pdf that explains the algorithm in R to generate the data

AQUA - Daily Chlorophyll-a by EOF DatasetERDDAP

Gridded data that can be downloaded and viewed in ERDDAP

CCI - Daily Chlorophyll-a by EOF DatasetERDDAP

Gridded data that can be downloaded and viewed in ERDDAP

CCI - Monthly Chlorophyll-a by EOF DatasetERDDAP

Gridded data that can be downloaded and viewed in ERDDAP

MERIS - Daily Chlorophyll-a by EOF DatasetERDDAP

Gridded data that can be downloaded and viewed in ERDDAP

SeaWiFS - Daily Chlorophyll-a by EOF DatasetERDDAP

Gridded data that can be downloaded and viewed in ERDDAP

VIIRS - Daily Chlorophyll-a by EOF DatasetERDDAP

Gridded data that can be downloaded and viewed in ERDDAP

Chlorophyll DataSet - CSV FilesHTML

Original non-gridded CSV files

Citation

Keywords

Dataset extent

Metadata Reference Date(s) December 20, 2022 (Publication)
October 23, 2024 (Revision)
Data Reference Date(s) September 04, 1997 (Creation)
August 04, 2020 (Publication)
August 05, 2024 (Revision)
Frequency of Update As Needed

Access full metadata here

Source last modified October 23, 2024 at 19:45

Other records harvested from dfo-mpo_metadata_files_autogenerated

Responsible Party 1
Name
Laliberte, Julien
Affiliation
Fisheries and Oceans Canada ROR logo
Email
Julien.Laliberte@dfo-mpo.gc.ca
Role
  • Custodian
  • Point of Contact
  • Resource Provider
Responsible Party 2
Affiliation
Fisheries and Oceans Canada ROR logo
Role
  • Distributor
  • Owner
  • Point of Contact
  • Resource Provider

Field Value
Ocean Variables Ocean colour
Scope Dataset
Status On Going
Maintenance Note Generated from https://cioos-siooc.github.io/metadata-entry-form#/fr/stlaurent/lDvJXHy3dXYgFJBqNEp3YXpYNYA3/-NJfnZQiKJclC3AAuwqQ
Spatial Extent { "coordinates": [ [ [ -55.4, 51.9 ], [ -71.31, 51.9 ], [ -71.31, 45.19 ], [ -55.4, 45.19 ], [ -55.4, 51.9 ] ] ], "type": "Polygon" }
North Bounding Latitude 45.19
South Bounding Latitude 51.9
East Bounding Longitude -55.4
West Bounding Longitude -71.31
Temporal Extent
Begin
1997-09-04
Vertical Extent
Min
0.0
Max
0.0
Default Locale French
Citation identifier
Code
https://doi.org/10.26071/ogsl-5mak-9r77
Projects
  1. Coastal Environmental Baseline Program
Included in Data Catalogue
Included in Data Catalogue 1
Name
OGSL/SLGO
URL
https://catalogue.ogsl.ca