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tools:actools:cmaq_reduced [2017/02/10 11:44] ctena [1h] |
tools:actools:cmaq_reduced [2017/02/14 15:41] ctena [8h_max] |
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The output type will have the same time steps of the input. | The output type will have the same time steps of the input. | ||
==== 8h_max ==== | ==== 8h_max ==== | ||
+ | That's the most complex reduced type. | ||
- | ==== day_mean ==== | + | The result is one value for each cell and each day. |
+ | This result is the maximum daily 8 hour mean. | ||
- | ==== day_max ==== | + | 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 | ||
+ | |||
+ | ==== day_mean ==== | ||
+ | The mean of each day | ||
+ | ==== day_max ==== | ||
+ | The maximum value of each day |