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GEOS-Chem "Science Codebase" repository. Contains GEOS-Chem science routines, run directory generation scripts, and interface code. This repository is used as a submodule within the GCClassic and GCHP wrappers, as well as in other modeling contexts (external ESMs).
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CO2 emission OCO-2 data into GEOS-CHEM #1233

Closed asigiuk closed 2 years ago

asigiuk commented 2 years ago

Hi, I'm new to GEOS-CHEM and still new to field of atmospheric science. I'm coming from background in computer engineering/data science. I'm trying to use GEOS-CHEM to derive a carbon dioxide flux Map from satellite XCO2 measurements. My understanding is that GEOS-CHEM framework can be used to assimilate Orbiting Carbon Observatory 2 (OCO-2) XCO2 retrievals and other similar satellite XCO2 retrieval products (GOSAT, TANSAT) to improve CO2 forward simulations for use in inverse modeling with satellite observations of CO2.(https://acp.copernicus.org/articles/19/12067/2019/). I'm currently working on a project for XCO2 estimation using deep learning model with hyperspectral satellite images. My goal is to use the model predictions of XCO2 from my model to compute regional carbon flux.

What I have done:

My questions:

  1. How do I configure GEOS-CHEM to take in OCO-2 XCO2 retrieval? Do the files have to be in specific format?
  2. How can I configure GEOS-CHEM to take in XCO2 estimation from my model?
yantosca commented 2 years ago

Thanks for writing @asigiuk. GEOS-Chem reads input data in netCDF format via the HEMCO emissions component. Emissions data is specified as a flux with units of kg/m2/s.

You can find out more about HEMCO here: https://hemco.readthedocs.io. We also have a Guide to netCDF in GEOS-Chem.

I don't know enough about satellite retrievals to advise you further. You may want to contact the relevant GEOS-Chem working group, which would be the Carbon Cycle Working Group for more information.

asigiuk commented 2 years ago

Thank you for your help. I have reached out to the Carbon Cycle Working Group for assistance.

stale[bot] commented 2 years ago

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stale[bot] commented 2 years ago

Closing due to inactivity