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Both v10 and v11 should be useful for CO2 concentration. The version refers to the forward processing, i.e., the newest processing is implemented from the beginning date of that version. Unless stated, there has not been retrospective processing of the entire dataset.

Yes, please try to download one Level 2 OCO-2 data file. These data can be visualized with NASA Panoply, https://www.giss.nasa.gov/tools/panoply/, if they are in netCDF format.

Hello,

Have you tried to download one file with https?

Because this is satellite data, the spatial resolution of the data may be larger than the size of the zone region. Have you examined the different variables in Giovanni that you may wish to use?

I looked at a map of Ethiopia that showed the zones, and this technique likely would not work for the smaller zones. However, the larger zones may be approximated with a bounding box. My example is for the Borena zone.

MODIS-Terra SST data products begin in 1999, and are at 1km resolution at nadir in the Level 2 swath format.

Here is more information on the OCO-2 level 2 data. The data image shows what the Level 2 daily data look like, which are discrete points along the ground track of the sensor.

https://disc.gsfc.nasa.gov/datasets/OCO2_L2_Lite_FP_11.1r/summary?keywords=OCO-2

Are you seeking data for specific locations? You should be able to download data at original resolution as Level 2 files, but it is not mapped to a grid, so you would only get the footprint data values.

Hello, sorry for the delay for this reply. We do not have a capability for countries to provide data for geographic boundaries other than the country boundary. Thus, such regions as counties or provinces, or as you describe, zones, cannot be delineated with shapefiles. Our best recommendation is to ...

Would OCO-2 Level 3 data be useful to you? See this Data Product Landing page:

https://disc.gsfc.nasa.gov/datasets/OCO2_GEOS_L3CO2_DAY_10r/summary