ceos’s land product validation focus area on biomass€¦ · global carbon cycle is the dearth of...
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![Page 1: CEOS’s Land Product Validation Focus Area on Biomass€¦ · global carbon cycle is the dearth of global observations. An increased, improved and coordinated observing system for](https://reader035.vdocuments.site/reader035/viewer/2022071019/5fd2e69fd8a0e3412704b7b5/html5/thumbnails/1.jpg)
CEOS’sLandProductValidationFocusAreaon
Biomass
Laura Duncanson, John Armston,Mat Disney, Jaime Nickeson, Miguel Roman
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy2
Priorities for Earth Observation
" A key reason for our lack of understanding of the global carbon cycle is the dearth of global observations. An increased, improved and coordinated observing system for observing the carbon cycle is a prerequisite to gaining that understanding. "
Printed by
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy3
CARB-16: Cal/val and production of biomass products from CEOS missions
Q4 2019 Development of a coordinated cal/valstrategy across NASA and ESA biomass missions that rationalizes protocols, data sharing, and the establishment of ground-based carbon super-sites.
NASA and ESA
3.2 Progress implementation of the CEOS Strategy for Carbon Observations from Space
Formation in Response to a CEOS Carbon Action
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy4
Many Upcoming Missions Will Provide Data That Will Be Used to Map Biomass
~50 m(6 looks)
60 m
12 m
8 m
25 m
10 m
ESA BIOMASS
NASA GEDIJAXA MOLI
ICESAT2
NISAR
ALOS-4 10 m
10 m
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy5
~50 m(6 looks)
60 m
12 m
8 m
25 m
10 m
ESA BIOMASS
NASA GEDI
JAXA MOLI
ICESAT2
NISAR
How will scientists make sense of many the data products?
How will policy makers?
ALOS-4 10 m
10 m
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SpatialDistributionofUpcomingSpaceborneDatasets
NISAR, ICESAT2 have global coverage, GEDI (and MOLI) covers ~51 N/S, BIOMASS global minus US and Europe
For accurate, global biomass mapping fusion of missions datasets will be necessary
ISS Coverage
ESA BIOMASS Coverage
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7
CEOSOrganizationWorking Group on Cal/Val:• Atmospheric Composition• Synthetic Aperture Radar• Microwave Sensors• Terrain Mapping• Infrared & Visible Optical Sensors• Land Product Validation
o Land Covero Fireo LAIo FAPARo Albedo
o Land Surface Temperature
o Soil Moistureo Phenologyo Snow Covero BIOMASS
New CEOS LPV for Biomass led by:John Armston, Mat Disney & Laura Duncanson
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy8
Biomass,forthepurposesofCEOSLPV,isdefinedastheabovegroundstandingdrymassofliveordeadmatterfromtreeorshrub(woodyplant)lifeforms,
expressedasamassormassperunitarea.
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy9
Field Estimation of Above Ground Biomass
We cannot weigh trees in forest plots
Instead, we measure stem diameters and heights, and apply allometricequations to estimate biomass
Terrestrial Laser Scanning (TLS) is an emerging technique for more accurate
estimates of in situ biomass
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy10
ComponentsofCEOSLPVBiomassProtocol
• Goodpracticesforbiomassestimationinthefield• Allometric Error• FieldMeasurementError• TerrestrialLaserScanning
• Linkingremotesensingobservationstofieldestimates• Geolocation&SpatialScale• Temporaldifferencesbetweenfield,airborne&spaceborne data
• Usingairbornedatatoscalefromfieldtospacebornedata
• ErrorPropagation• SourcesofUncertainty• Extrapolatingmodelstoglobalmaps
• IndependentValidationandReporting• Reportingrequirementsforeachstage• Scope/scaleofproducts• Errorreportingbystrata• Inter-comparisonofmaps• Requirementsforonlineportal
• UtilityofProtocolforOtherCommunities• Modelingcommunity• Policycommunities• Non-forestcommunities
• KnowledgeGaps• Experimentsthatwilladvancethefield• Airborne/Fielddatagaps• Crossmissioncal/val plans
The protocol will be a good practices guide to biomass model calibration and product validation at a global (or near global) scale
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy11
ComponentsofCEOSLPVBiomassProtocol
• Goodpracticesforbiomassestimationinthefield(LeadsJeromeChave,Keryn Paul,KimCalders)
• Allometric Error(JimKellner,Tommaso Jucker,Keryn Paul)
• FieldMeasurementError(GrantDomke,Jean-FrancoisBastin,Tommaso Jucker,JimKellner)
• TerrestrialLaserScanning(AtticusStovall,HarmBartholomeus,NicolasBarbier,JohnArmston)
The protocol will be a good practices guide to biomass model calibration and product validation at a global (or near global) scale
![Page 12: CEOS’s Land Product Validation Focus Area on Biomass€¦ · global carbon cycle is the dearth of global observations. An increased, improved and coordinated observing system for](https://reader035.vdocuments.site/reader035/viewer/2022071019/5fd2e69fd8a0e3412704b7b5/html5/thumbnails/12.jpg)
LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy12
ComponentsofCEOSLPVBiomassProtocol
• Linkingremotesensingobservationstofieldestimates(LeadsMaxime Réjou-Méchain andNicholasBarbier)
• Geolocation&SpatialScale(EdMitchard,ValerioAvitabile,DanaeRozendaal)
• Temporaldifferencesbetweenfield,airborne&spacebornedata(TBD)
• Usingairbornedatatoscalefromfieldtospaceborne data(NicolasBarbier,Jean-FrancoisBastin)
The protocol will be a good practices guide to biomass model calibration and product validation at a global (or near global) scale
![Page 13: CEOS’s Land Product Validation Focus Area on Biomass€¦ · global carbon cycle is the dearth of global observations. An increased, improved and coordinated observing system for](https://reader035.vdocuments.site/reader035/viewer/2022071019/5fd2e69fd8a0e3412704b7b5/html5/thumbnails/13.jpg)
LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy13
ComponentsofCEOSLPVBiomassProtocol
• ErrorPropagation(LeadsRonMcRoberts andStevenRoxburgh)• SourcesofUncertainty• Extrapolatingmodelstoglobalmaps
• Volunteers:DavidCoomes,Maxime Réjou-Méchain,HansAnderson,StephenRoxburgh,MarcosLongo,Jean-FrancoisBastin,EricNæsset
The protocol will be a good practices guide to biomass model calibration and product validation at a global (or near global) scale
![Page 14: CEOS’s Land Product Validation Focus Area on Biomass€¦ · global carbon cycle is the dearth of global observations. An increased, improved and coordinated observing system for](https://reader035.vdocuments.site/reader035/viewer/2022071019/5fd2e69fd8a0e3412704b7b5/html5/thumbnails/14.jpg)
LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy14
ComponentsofCEOSLPVBiomassProtocol
• IndependentValidationandReporting(LeadsLaura,Mat&John)• Reportingrequirementsforeachstage• Scope/scaleofproducts(MartinHerold,MartinDeKauwe)• Errorreportingbystrata• Inter-comparisonofmaps(ValerioAvitabile)• Requirementsforonlineportal(RichardLucas)
The protocol will be a good practices guide to biomass model calibration and product validation at a global (or near global) scale
![Page 15: CEOS’s Land Product Validation Focus Area on Biomass€¦ · global carbon cycle is the dearth of global observations. An increased, improved and coordinated observing system for](https://reader035.vdocuments.site/reader035/viewer/2022071019/5fd2e69fd8a0e3412704b7b5/html5/thumbnails/15.jpg)
LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy15
ComponentsofCEOSLPVBiomassProtocol
• UtilityofProtocolforOtherCommunities• Modelingcommunity(GeorgeHurtt,AndreasHuth,NatashaMacBean,MartinDeKauwe)• Policycommunities(MartinHerold,Jean-FrancoisBastin)• Non-forestcommunities(NatashaMacBean,LolaFatoyinbo)
The protocol will be a good practices guide to biomass model calibration and product validation at a global (or near global) scale
![Page 16: CEOS’s Land Product Validation Focus Area on Biomass€¦ · global carbon cycle is the dearth of global observations. An increased, improved and coordinated observing system for](https://reader035.vdocuments.site/reader035/viewer/2022071019/5fd2e69fd8a0e3412704b7b5/html5/thumbnails/16.jpg)
LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy16
ComponentsofCEOSLPVBiomassProtocol
• KnowledgeGaps(LeadsLaura,MatandJohn)• Experimentsthatwilladvancethefield• Airborne/Fielddatagaps• Crossmissioncal/val plans(repsfromeachactivestructuremissiontocoordinateflights?)
• Volunteers:DavidCoomes,JimKellner,DanaeRozendaal
The protocol will be a good practices guide to biomass model calibration and product validation at a global (or near global) scale
![Page 17: CEOS’s Land Product Validation Focus Area on Biomass€¦ · global carbon cycle is the dearth of global observations. An increased, improved and coordinated observing system for](https://reader035.vdocuments.site/reader035/viewer/2022071019/5fd2e69fd8a0e3412704b7b5/html5/thumbnails/17.jpg)
LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy17
TimelineTimeline Activities
Fall 2017 • Identify contributors
• Develop draft protocol skeleton
• Meet with writing groups
Winter 2017 • Finalize skeleton, writing groups / leads
January – June 2018 • Section drafts complete by June 2018
June – August 2018 • Collation of section drafts
• LPV co-leads draft introduction, conclusion
• Synthesis for data gaps section
Fall 2018 • Internal review
Winter 2018 - Summer 2019 • External review
• Draft / submit peer reviewed papers
2019 • Collation of reference datasets
• Adoption by ICESAT2 & GEDI biomass products
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy18
GEDI’s Field and Lidar Calibration Database
Data are crowd-sourced from international collaborators
4108 plots (25 m – 50 ha)20,941 GEDI sized plots
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy19
Laser footprint
ALS point cloudGEDI Footprint
25 m
Simulating GEDI with Airborne Lidar
Slide by Steve Hancock
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy20
GeneralBiomassValidationConcept
1. TLS + Field Data for plot biomass estimates
2. Calibrate Airborne lidar with local TLS plots
3. Generate local:regional biomass maps at desired resolution
4. Report accuracy over geographic domain of interest
Error Propagation
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy21
GEDI’s Field and Lidar Calibration Database
Data are crowd-sourced from international collaborators
20,941 GEDI sized plots
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy22
GEDI Forest Structure and Biomass Database
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy23
Potential Validation Portal: Multi-mission Analysis Platform
MAPJoint access to
data and algorithms
Space borne data: ICESat-2 , GEDI, NISAR
Airborne data: ECOSAR (Costa Rica), DBSAR, SMAPVEX, AFRISAR
In-situ data: AFRISAR, ECOSAR (Costa Rica), CMS
Space borne data:BIOMASS
Airborne data: INDREX2, BIOSAR1, BIOSAR2, TROPISAR, BIOSAR3, AFRISAR
In-situ data: TROPISCAT, AFRISCAT
Compute Compute
3/7/18 23
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LPVE 2018, ESA ESRIN, Feb 27-March1, Frascati, Italy24
Thank you!