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We are correcting the units for this data variable; they should be molecules/cm^2. It is not possible to convert these to either ppbv or microgram/m3, but these units can be converted to Dobson units (DU).

I will submit your query to our data and subject matter experts today.

Hello,

We are forwarding your question to our data system engineers and we will provide an answer as soon as possible.

Numbers such as -32767 and 32700 in a data file are frequently indicative of missing data for that pixel.

If you wish to create a time-series of these data variables for a very small area around the indicated geographic location, you can use the Giovanni service ( https://giovanni.gsfc.nasa.gov ) to generate each time-series plot, and then download the data in CSV format. If you wish to make maps, we ha...

Hello,

What air quality data variables are you seeking to analyze?

Thank you. I have added the appropriate data center tag to bring this to their attention.

Hello,

Please tell us the Web site or service that you acquired the chlorophyll data from, so that we can direct your question to the correct data center.

Hello, Here is the reply from our MERRA-2 subject matter expert. "We recommend HFLUX from the FLX collection. The others are components -- for example, SHLAND is land heat flux (same for ICE/WTR, regarding being a component). GHLAND is also in the LND collection, and so is Land Only, as per the...

Hello, and thank you for your question. We will forward it to our MERRA-2 subject matter and data experts for their consideration.