• Metadata catalogue
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SAREDA MODIS-derived daily gridded Sargassum area coverage over the Atlantic

Daily gridded Sargassum area coverage derived from MODIS Terra and Aqua observations over the Atlantic, produced with the AFAI (Alternative Floating Algae Index)-based SAREDA (SArgassum Evolving Distribution in the Atlantic) algorithm.
 
Citation proposal
Jacques Descloitres Jacques Descloitres (AERIS/ICARE AERIS/ICARE ) - Léo Berline Léo Berline (MIO MIO ) - Jacques Descloitres Jacques Descloitres (AERIS/ICARE AERIS/ICARE ) (2021) . SAREDA MODIS-derived daily gridded Sargassum area coverage over the Atlantic. AERIS/ICARE - CNES/TOSCA AERIS/ICARE - CNES/TOSCA https://services.mspdata.eu:/geonetwork/srv/api/records/8fe1cdcb-f4ea-4c81-8543-50f0b39b4eca

Simple

Date ( Publication )
2021-09-15
Date
Identifier
DOI:10.12770/8fe1cdcb-f4ea-4c81-8543-50f0b39b4eca
Credit
AERIS/ICARE - CNES/TOSCA

  Custodian

AERIS/ICARE - Jacques Descloitres Jacques Descloitres  

  Principal investigator

MIO - Léo Berline Léo Berline  

  Author

MIO - Léo Berline Léo Berline  

  Author

AERIS/ICARE - Jacques Descloitres Jacques Descloitres  

  Publisher

AERIS/ICARE - CNES/TOSCA -  

 

GeoID-Ocean - GeoID-Ocean GeoID-Ocean  

Centre de données ODATIS Centre de données ODATIS ( Theme )
  • Others
Variables ODATIS Variables ODATIS ( Theme )
Keywords
  • Sargassum, seaweed, macroalgae
Type de jeux de donnée ODATIS Type de jeux de donnée ODATIS ( Theme )
  • /Remote sensing , /Processed data/Composite products
Thèmatiques ODATIS Thèmatiques ODATIS ( Theme )
  • Added-value products
Processing level Processing level ( processing-level )
Agreed Parameter Groups (P03) Agreed Parameter Groups (P03) ( parameter )
Use limitation
Access constraints
Restricted
Use constraints
Other restrictions
Other constraints

Access to the dataset is available upon registration:

https://www.icare.univ-lille.fr/register/

The conditions of use are specified on the page :

https://www.icare.univ-lille.fr/data-policy/?policy=sareda

Spatial representation type
Grid
Metadata language
French
Character set
UTF8
Topic category
  • Oceans
N
S
E
W


Geometric object type
Complex
Distribution format
  • NetCDF (CF )

     

    -  

OnLine resource
DOI of the dataset Sargassum  

DOI of the dataset Sargassum

Hierarchy level
Dataset
Statement

The SAREDA (SArgassum Evolving Distribution in the Atlantic) algorithm performs a contextual detection of Sargassum using the Alternative Floating Algae Index (AFAI) (Wang and Hu, 2016). The AFAI deviation with respect to the local background is used to retrieve the Sargassum area coverage, i.e. the fraction of MODIS pixels covered with Sargassum. Daily gridded 1km and 5km composites are derived from MODIS-Terra and MODIS-Aqua instantaneous retrievals.

Within the framework of the SAREDA project, supported by TOSCA-CNES and IRD, the MIO has partnered with the AERIS cluster and its ICARE data and services centre specialised in the massive exploitation of Earth observation spatial data, for the processing of data. GeoID-OCEAN contributed to the implementation of the prototype processing chain.

References :

- Minghelli et al. (2021). Estimation of Sargassum fractional coverage from MODIS and Sentinel-2 MSI satellite sensors. Submitted

- Podlejski et al. (2021). Sargassum observations from MODIS: a new method for false detection filtering. Submitted

Metadata

File identifier
8fe1cdcb-f4ea-4c81-8543-50f0b39b4eca   XML
Metadata language
French
Character set
UTF8
Hierarchy level
Dataset
Date stamp
2021-10-13T10:47:41
Metadata standard name
ISO 19115:2003/19139 - SEXTANT
Metadata standard version
1.0
 
 

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produit altimétrique combiné avec des données de bouées dérivantes

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