MERRA Downloads

The GES DISC has been tracking MERRA downloads, and there are a few interesting occurrences. In the first 5 months of 2010, the average download is 24Tb per month, and the total for 2010 is nearly equal to all of 2009. Since the purpose of the Data Subsetter is to help reduce the volume for faster downloads (and is the most popular method of access), we also look at number of files. On average, the number of files per month being downloaded in 2010 is 2x that in 2009. This is to be expected. The long time series became connected in August of 2009, and MERRA just caught present in April. Mostly, this is a sign that MERRA is getting out there. It's also not surprising that most downloads are in the US, but the access from the international community is growing as well, and Brazil has downloaded the most MERRA files outside the US to date.

Data through March 2010 is available on line, and MERRA processing has nearly reached the end of May 2010.


Figure 1 MERRA Monthly Downloads in Tb per month.

Figure 2 MERRA downloads in total number of files (in Millions) by country (Top 10).