Concept: yearly mean weighted average in the aggregationprocess vocabulary

Concept URI http://dd.eionet.europa.eu/vocabulary/aq/aggregationprocess/P1Y-WA-avg
Preferred label yearly mean weighted average
Definition The mean for a multi-__day sampler based data types shall be evaluated in a similar way to the data capture (see section 4.2)- although in this instance is calculated as the time weighted mean of valid measurements over the sample period. mean = _i DCi * Nvalid-i Cvalid-i / _i DCi * Nvalid-i i=1.... n where DCi = the data capture of sample i Nvalid-i = the number of hours of the valid sampling period i Cvalid-i = concentration for valid sampling period i
Notation P1Y-WA-avg
Status Valid
Status Modified 2014-04-15
Accepted Date 2014-04-15
Not Accepted Date
Broader reporting metric