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Note, "jiansu" is a member of the GES DISC staff who works as a software developer with the subsetter.

Hello,

Your question has been acquired and will be forwarded to the GES DISC staff members who are associated with the subsetter for examination and response.

The Goddard Earth Sciences Data and Information Services Center (GES DISC) has developed an ArcGIS Enterprise system that will allow users access to Geographic Information Systems (GIS) - ready layers of popular datasets on the Internet. The initial ArcGIS image service released is the IMERG Early P...

Hello,

We are still examining your question. Can you inform us:
- how you were able to generate the .txt file with the URls; and
- can you share a copy of the file for which only half of the URLs worked? (If you cannot attach it here you may email our Help Desk.)

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?