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Geography

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Geography

2022

Atmospheric CO data 2

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Full-Text Articles in Social and Behavioral Sciences

A Modified Vegetation Photosynthesis And Respiration Model (Vprm) For The Eastern Usa And Canada, Evaluated With Comparison To Atmospheric Observations And Other Biospheric Models, Sharon M. Gourdji, Anna Karion, Israel Lopez-Coto, Subhomoy Ghosh, Kimberly L. Mueller, Yu Zhou, Christopher A. Williams, Ian T. Baker, Katharine D. Haynes, James R. Whetstone Jan 2022

A Modified Vegetation Photosynthesis And Respiration Model (Vprm) For The Eastern Usa And Canada, Evaluated With Comparison To Atmospheric Observations And Other Biospheric Models, Sharon M. Gourdji, Anna Karion, Israel Lopez-Coto, Subhomoy Ghosh, Kimberly L. Mueller, Yu Zhou, Christopher A. Williams, Ian T. Baker, Katharine D. Haynes, James R. Whetstone

Geography

Atmospheric CO2 measurements from a dense surface network can help to evaluate terrestrial biosphere model (TBM) simulations of Net Ecosystem Exchange (NEE) with two key benefits. First, gridded CO2 flux estimates can be evaluated over regional scales, not possible using flux tower observations at discrete locations for model evaluation. Second, TBM ability to explain atmospheric CO2 fluctuations due to the biosphere can be directly tested, an important objective for anthropogenic emissions monitoring using atmospheric observations. Here, we customize the Vegetation Photosynthesis and Respiration Model (VPRM) for an eastern North American domain with strong biological activity upwind of urban areas. Parameters …