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Unit 3 - Batch Processing Mariana Soppa & Astrid Bracher Phytoplankton from space: intro to ocean color – 29 & 30 June 2019 Ocean Optics & Ocean Color Remote Sensing This project received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement nº 810139.

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Page 1: Unit 3 - Batch ProcessingUnit 3 - Batch Processing Mariana Soppa & Astrid Bracher Phytoplankton from space: intro to ocean color – 29 & 30 June 2019 Ocean Optics & Ocean Color Remote

Unit3-BatchProcessing

MarianaSoppa&AstridBracher

Phytoplanktonfromspace:introtooceancolor–29&30June2019

OceanOptics&OceanColorRemoteSensing

ThisprojectreceivedfundingfromtheEuropeanUnion’sHorizon2020researchandinnovationprogrammeundergrantagreementnº810139.

Page 2: Unit 3 - Batch ProcessingUnit 3 - Batch Processing Mariana Soppa & Astrid Bracher Phytoplankton from space: intro to ocean color – 29 & 30 June 2019 Ocean Optics & Ocean Color Remote

Contents

•  Practical(short)courseonoceancolour(OC)remotesensingusingSentinelApplicationPlatform(SNAP).

•  Lectures:

•  Unit1:-  Oceancolourdata(sensors,dataarchivesandprocessinglevels)-  ExploringOCdatausingSNAP

•  Unit2:-ValidationTools

•  Unit3:-BatchProcessing

Page 3: Unit 3 - Batch ProcessingUnit 3 - Batch Processing Mariana Soppa & Astrid Bracher Phytoplankton from space: intro to ocean color – 29 & 30 June 2019 Ocean Optics & Ocean Color Remote

SNAP:BatchSubset(Graphbuilder+Batchprocessing)

3

1.  Buildyourgraph:ToolsàGraphBuilder

Page 4: Unit 3 - Batch ProcessingUnit 3 - Batch Processing Mariana Soppa & Astrid Bracher Phytoplankton from space: intro to ocean color – 29 & 30 June 2019 Ocean Optics & Ocean Color Remote

•  rightclicktoaddnewoperators

SNAP:BatchSubset(Graphbuilder+Batchprocessing)

Page 5: Unit 3 - Batch ProcessingUnit 3 - Batch Processing Mariana Soppa & Astrid Bracher Phytoplankton from space: intro to ocean color – 29 & 30 June 2019 Ocean Optics & Ocean Color Remote

•  rightclick“connectgraph”andsaveit

SNAP:BatchSubset(Graphbuilder+Batchprocessing)

Page 6: Unit 3 - Batch ProcessingUnit 3 - Batch Processing Mariana Soppa & Astrid Bracher Phytoplankton from space: intro to ocean color – 29 & 30 June 2019 Ocean Optics & Ocean Color Remote

•  Gotobatchprocessing:Toolsàbatchprocessing

SNAP:BatchSubset(Graphbuilder+Batchprocessing)

Page 7: Unit 3 - Batch ProcessingUnit 3 - Batch Processing Mariana Soppa & Astrid Bracher Phytoplankton from space: intro to ocean color – 29 & 30 June 2019 Ocean Optics & Ocean Color Remote

•  I/Oparameters:selectallimagesyouwanttoprocessandgivetheoutputpath(directory)andtheoutputformat(Savease.g.NetCDF).

SNAP:BatchSubset(Graphbuilder+Batchprocessing)

Page 8: Unit 3 - Batch ProcessingUnit 3 - Batch Processing Mariana Soppa & Astrid Bracher Phytoplankton from space: intro to ocean color – 29 & 30 June 2019 Ocean Optics & Ocean Color Remote

•  Loadgraph

SNAP:BatchSubset(Graphbuilder+Batchprocessing)

Page 9: Unit 3 - Batch ProcessingUnit 3 - Batch Processing Mariana Soppa & Astrid Bracher Phytoplankton from space: intro to ocean color – 29 & 30 June 2019 Ocean Optics & Ocean Color Remote

•  Open“Subset”

SNAP:BatchSubset(Graphbuilder+Batchprocessing)

Page 10: Unit 3 - Batch ProcessingUnit 3 - Batch Processing Mariana Soppa & Astrid Bracher Phytoplankton from space: intro to ocean color – 29 & 30 June 2019 Ocean Optics & Ocean Color Remote

•  SelecttheregionofinterestbyeitherusingthepixelcoordinatesorgeographicalcoordinatesandRUN!•  ThenewfileswillautomaticallyopeninSNAP

SNAP:BatchSubset(Graphbuilder+Batchprocessing)

Page 11: Unit 3 - Batch ProcessingUnit 3 - Batch Processing Mariana Soppa & Astrid Bracher Phytoplankton from space: intro to ocean color – 29 & 30 June 2019 Ocean Optics & Ocean Color Remote

•  SubsetMODIS-AquaChlorophyll-aclimatologydataforyourstudyregionusingbatchprocessing.

•  Opentwoimages,oneinsummerandoneinwinter.Applycolorand

observethedifferences.

SNAP:BatchSubset(Graphbuilder+Batchprocessing)

Page 12: Unit 3 - Batch ProcessingUnit 3 - Batch Processing Mariana Soppa & Astrid Bracher Phytoplankton from space: intro to ocean color – 29 & 30 June 2019 Ocean Optics & Ocean Color Remote

EndofUnit3