ACOS GOSAT/TANSO-FTS Level 2 bias-corrected XCO2 and other select fields from the full-physics retrieval aggregated as daily files V9r (ACOS_L2_Lite_FP) at GES DISC

Description

Version 9r is the current version of the data set. Older versions will no longer be available and are superseded by Version 9r. The ACOS Lite files contain bias-corrected XCO2 along with other select fields aggregated as daily files. Orbital granules of the ACOS Level 2 standard product (ACOS_L2S) are used as input. The "ACOS" data set contains Carbon Dioxide (CO2) column averaged dry air mole fraction for all soundings for which retrieval was attempted. These are the highest-level products made available by the OCO Project, using TANSO-FTS spectral radiances. The GOSAT team at JAXA produces GOSAT TANSO-FTS Level 1B (L1B) data products for internal use and for distribution to collaborative partners, such as ESA and NASA. These calibrated products are augmented by the OCO Project with additional geolocation information and further corrections. Thus produced Level 1B products (with calibrated radiances and geolocation) are the input to the "ACOS" Level 2 production process.

Resources

Name Format Description Link
21 Search results for publications that cite this dataset by its DOI. https://scholar.google.com/scholar?q=10.5067%2FVWSABTO7ZII4
33 ACOS Data Quality Statment https://docserver.gesdisc.eosdis.nasa.gov/public/project/OCO/ACOS_L2_DQ_Statement.v9.pdf
21 Instrument Description http://www.gosat.nies.go.jp/en/about_%EF%BC%92_observe.html
21 Access the dataset landing page from the GES DISC website. https://disc.gsfc.nasa.gov/datacollection/ACOS_L2_Lite_FP_9r.html
33 User's Guide https://docserver.gesdisc.eosdis.nasa.gov/public/project/OCO/ACOS_v9_DataUsersGuide.pdf
21 Access the data via HTTP. https://oco2.gesdisc.eosdis.nasa.gov/data/GOSAT_TANSO_Level2/ACOS_L2_Lite_FP.9r/
21 Use the Earthdata Search to find and retrieve data sets across multiple data centers. https://search.earthdata.nasa.gov/search?q=ACOS_L2_Lite_FP
21 OCO-2 Publications from the Science Team https://ocov2.jpl.nasa.gov/science/publications/
21 OCO-3 Publications from the Science Team https://ocov3.jpl.nasa.gov/science/publications/
21 ACOS Data Gaps https://docserver.gesdisc.eosdis.nasa.gov/public/project/OCO/KnownDataIssues.ACOS.html
34 Global amounts of column CO2, averaged for 2010, using ACOS_L2_Lite_FP, from all available for this year "Lite" files, gridded on a 6x6 deg grid, and smoothed for the presentation. https://docserver.gesdisc.eosdis.nasa.gov/public/project/OCO/ACOS.Lite.png
21 Access the data via the OPeNDAP protocol. https://oco2.gesdisc.eosdis.nasa.gov/opendap/ACOS_L2_Lite_FP.9r/contents.html
21 This software (NASA NTR-49044) retrieves a set of atmospheric/surface/instrument parameters from a simultaneous fit to spectra from multiple absorption bands. The software uses an iterative, non-linear retrieval technique (optimal estimation). After the retrieval process has converged, the software performs an error analysis. The products of the software include all quantities needed to understand the information content of the measurement, its uncertainty, and its dependence on interfering atmospheric properties. Jet Propulsion Laboratory, California Institute of Technology. Copyright 2016 California Institute of Technology. U.S. Government sponsorship acknowledged. https://github.com/nasa/RtRetrievalFramework

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  • atmosphere
  • atmospheric-chemistry
  • earth-science

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