Synergy between Ocean Variables: Remotely Sensed Surface Temperature and Chlorophyll Concentration Coherence

The similarity of mesoscale and submesoscale features observed in different ocean scalars indicates that they undergo some common non-linear processes. As a result of quasi-2D turbulence, complicated patterns of filaments, meanders, and eddies are recognized in remote sensing images. A data fusion m...

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Main Authors: Marta Umbert, Sebastien Guimbard, Joaquim Ballabrera Poy, Antonio Turiel
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Remote Sensing
Subjects:
Online Access:https://www.mdpi.com/2072-4292/12/7/1153
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author Marta Umbert
Sebastien Guimbard
Joaquim Ballabrera Poy
Antonio Turiel
author_facet Marta Umbert
Sebastien Guimbard
Joaquim Ballabrera Poy
Antonio Turiel
author_sort Marta Umbert
collection DOAJ
description The similarity of mesoscale and submesoscale features observed in different ocean scalars indicates that they undergo some common non-linear processes. As a result of quasi-2D turbulence, complicated patterns of filaments, meanders, and eddies are recognized in remote sensing images. A data fusion method used to improve the quality of one ocean variable using another variable as a template is used here as an extrapolation technique to improve the coverage of daily Aqua MODIS Level-3 chlorophyll maps by using MODIS SST maps as a template. The local correspondence of SST and Chl-a multifractal singularities is granted due to the existence of a common cascade process which makes it possible to use SST data to infer Chl-a concentration where data are lacking. The quality of the inference of Level-4 Chl-a maps is assessed by simulating artificial clouds and comparing reconstructed and original data.
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spelling doaj.art-1c7a023021684c23a6e5dd9b23dd0df72023-11-19T20:41:01ZengMDPI AGRemote Sensing2072-42922020-04-01127115310.3390/rs12071153Synergy between Ocean Variables: Remotely Sensed Surface Temperature and Chlorophyll Concentration CoherenceMarta Umbert0Sebastien Guimbard1Joaquim Ballabrera Poy2Antonio Turiel3Departament of Physical and Technological Oceanography, Institut de Ciències del Mar, CSIC, 08003 Barcelona, SpainOcean Scope, Plouzané, 29280 Brest, FranceDepartament of Physical and Technological Oceanography, Institut de Ciències del Mar, CSIC, 08003 Barcelona, SpainDepartament of Physical and Technological Oceanography, Institut de Ciències del Mar, CSIC, 08003 Barcelona, SpainThe similarity of mesoscale and submesoscale features observed in different ocean scalars indicates that they undergo some common non-linear processes. As a result of quasi-2D turbulence, complicated patterns of filaments, meanders, and eddies are recognized in remote sensing images. A data fusion method used to improve the quality of one ocean variable using another variable as a template is used here as an extrapolation technique to improve the coverage of daily Aqua MODIS Level-3 chlorophyll maps by using MODIS SST maps as a template. The local correspondence of SST and Chl-a multifractal singularities is granted due to the existence of a common cascade process which makes it possible to use SST data to infer Chl-a concentration where data are lacking. The quality of the inference of Level-4 Chl-a maps is assessed by simulating artificial clouds and comparing reconstructed and original data.https://www.mdpi.com/2072-4292/12/7/1153remote sensingocean colordata fusiondata mergingphysical oceanographysingularity analysis
spellingShingle Marta Umbert
Sebastien Guimbard
Joaquim Ballabrera Poy
Antonio Turiel
Synergy between Ocean Variables: Remotely Sensed Surface Temperature and Chlorophyll Concentration Coherence
Remote Sensing
remote sensing
ocean color
data fusion
data merging
physical oceanography
singularity analysis
title Synergy between Ocean Variables: Remotely Sensed Surface Temperature and Chlorophyll Concentration Coherence
title_full Synergy between Ocean Variables: Remotely Sensed Surface Temperature and Chlorophyll Concentration Coherence
title_fullStr Synergy between Ocean Variables: Remotely Sensed Surface Temperature and Chlorophyll Concentration Coherence
title_full_unstemmed Synergy between Ocean Variables: Remotely Sensed Surface Temperature and Chlorophyll Concentration Coherence
title_short Synergy between Ocean Variables: Remotely Sensed Surface Temperature and Chlorophyll Concentration Coherence
title_sort synergy between ocean variables remotely sensed surface temperature and chlorophyll concentration coherence
topic remote sensing
ocean color
data fusion
data merging
physical oceanography
singularity analysis
url https://www.mdpi.com/2072-4292/12/7/1153
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AT joaquimballabrerapoy synergybetweenoceanvariablesremotelysensedsurfacetemperatureandchlorophyllconcentrationcoherence
AT antonioturiel synergybetweenoceanvariablesremotelysensedsurfacetemperatureandchlorophyllconcentrationcoherence