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Revision as of 21:57, 24 March 2019
Global Satellite Mapping of Precipitation from JAXA
GSMaP is a dataset of hourly global rainfall maps, a re-analysis version of the Near-Real-Time product by JAXA Global Rainfall Watch for meteorological and climate studies. Different products are part of GSMaP we copied the Gauge-calibrated Reanalysis product GSMaP_Gauge_RNL v6. Variable is rainfall rate and gauge-calibrated rain rate in mm/h, original units of raw product are mm/hr we converted to standard units kg m^-2 s^-1 in the netcdf version. The global grid is limited to 60N-60S and resolution is 0.1 degree latitude/longitude. Temporal resolution is up to 1 hour (averaged from 00 minutes to 59 minutes). The current algorithm version is 6, version 7 is being released. Product version is v03 which doesn't detect snowfall, although a new version v04 which fixes the issue and use v7 of the algorithm is in preparation. More information on the upgrade and changes to the product are available | here. The Gauge_RNL product is updated only occasionally currently covers from March 200 to February 2014. We downloaded the daily data (average between 00 to 23 hours) but 1 hourly is available too. More information is available from the PDF and readme file available in the directory and online and from the | GSMaP webpage
Anyone using this product should register with the | JAXA GSMaP products portal You should include acknowledgements and citations as directed in the pdf available with the data and from the GSMaP webpage (see above). JAXA would also like to receive a copy of your manuscript, again see instructions on the webpage. Signing up is also recommended to receive the frequent updates on the GSMaP products, while they mostly refer to the Near-Real-Time and gauge products, the re-analysis is derived from them so they might contain important information.
GSMaP on raijin
The data is available in ua8 project:
The original binary data is in
NB this directory structure and also the project might change since we are trying to have one structure for all re-analysis products.