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Identifier	ND_TrendValue
Short name	TrendValue
RegistrationStatus	Released 16 February 2012
Reference URL	http://dd-test.01dev.eea.europa.eu/dataelements/latest/ND_TrendValue
Name	Trend Value
Definition	Trends between the current and previous reporting periods based on annual average (mean) values.
Methodology for obtaining data	The difference between the average NO3 concentration of the current reporting period and the average of the previous reporting period (avg. current RP - avg. previous RP) in mg/L. Trends can only be calculated for monitoring stations at the same location (X,Y) and measurements at the same depth.
Datatype	float
Public or Internal	undefined
Owner (Accountable)	Anita Künitzer
Responsible	Miroslav Fanta
CheckInNo	1