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NOAA Greenhouse Gas Marine Boundary Layer Reference

What is the NOAA Marine Boundary Layer (MBL) Reference?

• A data product derived directly from measurements of weekly air samples from the Cooperative Air Sampling Network.
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Why use the MBL Reference?

• The zonally-averaged MBL reference can be used to identify large-scale trends in atmospheric Greenhouse Gases.
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What does the product include?

• The NOAA reference web site provides access to the MBL reference surface, our best estimate of uncertainty, a citation reference, and PI contact information for follow up.
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co2 surface movie

The NOAA MBL reference is available as:

surface
A 3D distribution
latitude
A latitude-averaged time series
meridional
Time-averaged meridional distribution.