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please check your wget version, 'wget -V'. It needs to be 1.20 or higher. If wget is compiled with older SSL package you might need to reinstall it. First, try to download a single file first from your Web browser to verify the username/password and check if the .netrc file contains correct credenti...

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Hello, There are substantial changes in IMERG v07, more than would practically be possible to list here. It would be instructive to follow to the Data Release Notes from our news release: https://disc.gsfc.nasa.gov/information/data-release?title=Release%20of%20IMERG%20Final%20products%20version%2007...

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Hello, MERRA-2 has not extrapolated data beneath the surface. The result is that lower pressure levels, such as 1000, 925, and 850 hPa may consist of missing data if it is below the surface. More information can be found in the FAQ of the MERRA-2 project page : https://gmao.gsfc.nasa.gov/reanalysis/...

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Hello, The equation for PM2.5 is the same as what we have posted on our FAQ page, so that is correct. (https://gmao.gsfc.nasa.gov/reanalysis/MERRA-2/FAQ/) I think this should work equally well for 1 hourly or 1 monthly calculations. As to why “the pixel size of the original five parameters (dusmass2...

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