EPA logo National Oceanic and Atmospheric Administration (NOAA), Earth System Research Laboratory (ESRL)

What does this program measure?

High-resolution (~ 5 minute) elemental carbon (EC) is sampled.

How does this program work?

This project uses a Magee Scientific spectrum Aethalometer with continuous frequency at MLO. Read more about this instrument...

Why is this research important?

In order to accumulate a long-term record to support atmospheric mercury chemistry research.

Are there any trends in the data?

How does this program fit into the big picture?
What is it's role in global climate change?

Comments and References

Lead Investigator(s):

Poai Suganuma
808-933-6965 (x233)

MLO Contact(s):

Poai Suganuma
808-933-6965 (x233)
Darryl Kuniyuki
808-933-6965 (x236)

Web Site(s)

Date Started

May 6, 2004

Related Programs

EPA Mercury Monitoring
EPA Mercury Precipitation
EPA Ambient Ion Monitor
EPA Dichotomous Partisol
EPA Fine Particle Sampler
EPA Sulfur Dioxoide
EPA Surface Ozone


aethalometer rackAethalometer rack

Aethalometer InstrumentAethalometer instrument

Aethalometer tapeAethalometer tape

Aethalometer InletAethalometer inlet