Understanding Diurnal Cycles of Plant Water Use and Carbon ... · US-Ha1. GPP ET WUE. Task 2:...
Transcript of Understanding Diurnal Cycles of Plant Water Use and Carbon ... · US-Ha1. GPP ET WUE. Task 2:...
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Understanding Diurnal Cycles of Plant Water Use and Carbon Uptake with Existing and New Products Based on
ECOSTRESS, MODIS, and FLUXNET
Jingfeng Xiao (PI), Xing Li (Post-doc)University of New Hampshire
Joshua Fisher (Collaborator), JPL
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Ecosystem
Region
Continent
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Task 1: Generate two new ECOSTRESS products – aninstantaneous GPP product and an instantaneous WUE product
• ECOSTRESS
• FLUXNET
• Other satellite data
• Reanalysis
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US-Bi2
US-Ha1
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GPP
ET
WUE
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Task 2: Examining diurnal cycles of canopy conductance, plant water use, and photosynthesis and effects of water stress at ecosystem scale
(from the FLUXNET website)
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DK-Sor
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(a) US-Ne3 (cropland) (b) US-SRG (grassland)
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Task 3: Exploring diurnal cycles of plant water use, water stress, and carbon uptake at the regional scale using existing and new
ECOSTRESS data products
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VPD
ESI
GPP
ET
WUE
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Task 4: Examine how plants use water and how water stress regulatesphotosynthesis over the diurnal cycle integrating existing and newECOSTRESS products and temporally continuous products
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Ecosystem
Region
ContinentWork plan and outcomes for Year 1: • Make progress as planned• Present results at NACP and AGU• Submit two manuscripts
Acknowledgements:
• NASA ECOSTRESS (80NSSC20K0167)
• ECOSTRESS Mission Team, data providers