WMO OSCAR | Details for Variable: N2O mole fraction (BG)

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Variable: N2O mole fraction (BG)

Definition

Full name	N2O mole fraction (BG)
Definition	3D field of amount of background (BG) N2O (Nitrous Oxide, expressed in moles) divided by the total amount of all constituents in dry air (also expressed in moles)
Measuring Units	ppb	Uncertainty Units	ppb
Horizontal Res Units	km	Vertical Res Units	km
Stability Units	ppb (Stability /decade)

Comment:	BG (background) refers to measurements made in remote areas far away from pollution
Last modified:	2022-05-19
Applied in OSCAR/Space Gap Analysis:	No

Classification

Domain: Atmosphere
- Sub-domain: Atmospheric chemistry
  - Variable: N2O mole fraction (BG)
    - Measured in Layers:
      - UTLS
      - FT
      - PBL
      - Near Surface

Cross-cutting themes:

Earth System Application Categories and its related Application Areas:
- 2. Atmospheric Applications
Unknown:
- Forecasting Atmospheric Composition

Requirements defined for N2O mole fraction (BG) (2)

This tables shows all related requirements. For more operations/filtering, please consult the full list of Requirements
Note: In reading the values, goal is marked blue, breakthrough green, threshold orange
Application-dependent Technical Priority (ATP) Magenta and Relative priority of the attributes Red

Id	Variable	Layer	App Area	ATP	Uncertainty	Layer/s Quality	Coverage Quality	Stability / decade	Hor Res	Ver Res	Obs Cyc	Timeliness	Coverage	Conf Level	Val Date	Source	General Comment	Application Area Comment	Horizontal Coverage Comment	Observation Comment	Performance Comment
866	N2O mole fraction (BG)	UTLS FT PBL Near Surface	Forecasting Atmospheric Composition		0.05 ppb 0.1 ppb 0.3 ppb			0.05 ppb 0.1 ppb 0.3 ppb	500 km 1000 km 2000 km	0.5 km 1 km 3 km	60 min 24 h 7 d	24 h 30 d 182 d	Global	firm	2022-01-05	GAW Expert Team on Atmospheric Composition Network Design and Evolution	GAW Rep. No. 242. Network compatibility goal. Uncertainties are provided as 2 sigma. They represent the sum of random and systematic error. Requirements are for Profile measurements.
867	N2O mole fraction (BG)	UTLS FT PBL Near Surface	2.6 Atmospheric Composition Forecasting and Monitoring		0.05 ppb 0.1 ppb 0.3 ppb			0.05 ppb 0.1 ppb 0.3 ppb	500 km 1000 km 2000 km	0.5 km 1 km 3 km	60 min 24 h 7 d	24 h 30 d 182 d	Global	firm	2022-01-05	GAW Expert Team on Atmospheric Composition Network Design and Evolution	GAW Rep. No. 242, Network compatibility. Uncertainties are provided as 2 sigma. They represent the sum of random and systematic error. Requirements are for Profile measurements.