OCO‐2 Satellite‐Imposed Constraints on Terrestrial Biospheric CO 2 Fluxes Over South Asia

Philip, Sajeev; Johnson, Matthew S.; Baker, David F.; Basu, Sourish; Tiwari, Yogesh K.; Indira, Nuggehalli K.; Ramonet, Michel; Poulter, Benjamin

doi:10.1029/2021jd035035

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OCO‐2 Satellite‐Imposed Constraints on Terrestrial Biospheric CO 2 Fluxes Over South Asia

2022
By Philip, Sajeev ; Johnson, Matthew S. ; Baker, David F. ; ...
Source: Journal of Geophysical Research: Atmospheres, 127(3)

[PDF-2.68 MB]

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Details:

Journal Title:

Journal of Geophysical Research: Atmospheres
Personal Author:

Philip, Sajeev ; Johnson, Matthew S. ; Baker, David F. ; Basu, Sourish ; Tiwari, Yogesh K. ; ... More +

Philip, Sajeev ; Johnson, Matthew S. ; Baker, David F. ; Basu, Sourish ; Tiwari, Yogesh K. ; Indira, Nuggehalli K. ; Ramonet, Michel ; Poulter, Benjamin Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CIRA (Cooperative Institute for Research in the Atmosphere) ; ESRL (Earth System Research Laboratory)

OAR (Oceanic and Atmospheric Research) ; CIRA (Cooperative Institute for Research in the Atmosphere) ; ESRL (Earth System Research Laboratory) Less -
Description:

The spatiotemporal variability of terrestrial biospheric carbon dioxide (CO2) fluxes over South Asia has large uncertainty. The Orbiting Carbon Observatory 2 (OCO-2) satellite provides much-needed retrievals of column-average CO2 on a global-scale, with the highest sensitivity to surface CO2 fluxes and spatiotemporal resolution available to-date. This study conducted global inverse model simulations, assimilating in situ (IS) data and OCO-2 retrievals, to assess optimized CO2 net ecosystem exchange (NEE) fluxes for South Asia. Annual Net Biome Exchange (NBE = NEE + biomass burning) fluxes over South Asia were estimated to be near neutral (0.04 ± 0.14 PgC yr−1) using both IS and OCO-2 observations. The most robust result found
Keywords:

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Atmospheric Science Earth And Planetary Sciences (miscellaneous) Geophysics Space And Planetary Science
Source:

Journal of Geophysical Research: Atmospheres, 127(3)
DOI:

https://doi.org/10.1029/2021jd035035
ISSN:

2169-897X;2169-8996;
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PDF
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American Geophysical Union (AGU)
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Journal Article
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urn:sha256:0198c4fecf7bd8b0385aea2070e27baed0bac24347ded466c4832b1e53239d7b
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https://repository.library.noaa.gov/view/noaa/54350/noaa_54350_DS1.pdf
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