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This page is under construction!
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What is the objective of this page?
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A good understanding of the MARS efficiency issues is essential especially for downloading large amounts of data. The aim of this page is to help users to improve their MARS requests performance focusing in CMA reforecast data using the ECMWF WEB APIIn this area we are only focusing on MARS efficiency issues ie to investigate and present what is the most efficient way to loop over several requests for retrieving CMA reforecast data. |
How the S2S data is organised in general
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The It is every important for a user to understand how the S2S data is organised in MARS. In general it is organised in MARS as a huge tree, with the indentation below, showing different levels down that tree:
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What would be the natural way to group requests
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The Following the previous paragraph the natural way to group requests would be:
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Taking under consideration what has been presented explained above, if you need to loop in a MARS request, follow the hierarchy below
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A pseudo algorithm to loop over several dates for a CMA request?
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A pseudo algorithm on how to request Control forecast, pressure levels, for years 2010-2014 for
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2 months (eg April and June)
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for each year from 2010 to 2014 for months April, June |
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old below:
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