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tools:actools:cmaq_reduced

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tools:actools:cmaq_reduced [2017/02/10 11:20]
ctena [Reduced specifications]
tools:actools:cmaq_reduced [2017/02/14 15:41]
ctena [8h_max]
Line 121: Line 121:
   * factor -> Conversion factor to store the value in the correct units.   * factor -> Conversion factor to store the value in the correct units.
   * unit -> Units to save the outputs.   * unit -> Units to save the outputs.
-  * timeint_stat -> Type (or list of types) of the reduceds to do+  * timeint_stat -> Type (or list of types) of the reduceds to do. the Reduced types will be explained in the REDUCED TYPES SECTION. 
 + 
 +===== Reduced types ===== 
 +All the output types are saved following the NetCDF conventions with the lat lon localization and the datetime. 
 +==== 1h ==== 
 +This output type is directly the hourly values. 
 + 
 +The output type will have the same time steps of the input. 
 +==== 8h_max ==== 
 +That's the most complex reduced type. 
 + 
 +The result is one value for each cell and each day. 
 +This result is the maximum daily 8 hour mean. 
 + 
 +DIRECTIVE 2008/50/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL 
 + 
 +Maximum daily eight-hour mean: the maximum daily eight-hour mean concentration shall be selected by examining eight-hour running averages, calculated from hourly data and updated each hour. Each eight -hour average so calculated shall be assigned to the day on which it ends. i.e. the first calculation period for any one day will be the period from 17:00 on the previous day to 01:00 on that day; the last calculation  period for any one day will be the period from 16:00 to 24:00 on the day. 
 + 
 +==== day_mean ==== 
 +The mean of each day 
 +==== day_max ==== 
 +The maximum value of each day
tools/actools/cmaq_reduced.txt · Last modified: 2017/02/14 15:41 by ctena