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Hello, Our GES DISC staff members assisting you have advised me that at this time we do not have the personnel resources to help you with code debugging efforts. They recommend examining the three options listed earlier and determining which will best suit your research needs. If you need additional...

The thickness of the top soil layer in MERRA-2's land model (i.e., Catchment Model, Koster et al. 2000) is constant with time across the globe, as 0.05 meter (5 cm). The corresponding variable is dzsf, defined as "thickness of soil layer associated with SFMC and GWETTOP (meter)" and saved ...

Listed below are recommended MERRA-2 data variables for research in radiation and meteorology: 1) Radiation flux fields in the monthly collection, M2TMNXRAD , and the hourly collection M2T1NXRAD : lwgnt: surface net downward longwave flux (W m-2) lwgntclr: surface net downward longwave flux assuming...

Below are the variables in MERRA-2 that can be used to study large-scale dust storms at hourly or monthly time intervals: dust storm FAQ table 1.png hourly M2T1NXAER monthly M2TMNXAER table.pdf dust storm FAQ table 2.png hourly M2T1NXADG Monthly M2TMNXADG table.pdf Note: * The collection also includ...

Provided below are recommendations for using MERRA-2 ozone products at various vertical levels. Refer to Wargan et al. (2017) for more information. Total column ozone: use the total ozone in inst1_2d_asm_Nx. Below 500 hPa, including at the surface, ozone loses realism because the model does not incl...

Glad to assist. Please ask for more information if necessary after you have examined that data at the GES DISC website.

I'm not sure what type of data you are seeking; the GES DISC (https://disc.gsfc.nasa.gov/) has a large variety of aerosol data products, including aerosol data over the oceans. The MERRA-2 data collection has some ocean-related variables, including sea salt.

Hello,

We (the GES DISC) are not the DAAC that archives MODIS aerosol data, though we do provide it in Giovanni. Can you provide an image of what you are describing to allow a better understanding of the issue?

Hello,

Thanks for your question. To further assist you and direct your question to the appropriate staff members, can you tell me/us what data product and variable you are seeking? You may be directed to bypass Giovanni and use on of our other data download methods, some of which can be scripted.

Hello, I will also have our OCO data experts examine your question, but from the name of the file, which begins "oco2_ephem", I believe this is an Ephemerides (navigation) file and not a data file. Can you confirm the archive and location that you downloaded this file from? For our archive...