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Mt. Bachelor Observatory Title

Picture of the Mt. Bachelor

Photo by Randy Hopfer

Map of the location of Mt. Bachelor

The Mt. Bachelor Observatory (MBO) is located on the summit of Mt. Bachelor and is run with the cooperation of the Mt. Bachelor Ski Area.

An isolated volcanic peak with a summit at 2.8 km asl, Mt. Bachelor is a choice location for an atmospheric observatory. In operation since 2004, MBO is an ideal natural laboratory to measure chemical species such as ozone (O3), particulate matter (PM), mercury, carbon monoxide and dioxide, nitrogen oxides, sulfur oxides, metals and volatile organic compounds and to study phenomena such as air pollutants transported from Asia and wildfires in the western United States. Data from MBO have been used by the EPA, the National Academy of Sciences, other agencies and scientists at dozens of universities.

Using data from MBO, our group has published numerous papers in peer-reviewed scientific journals. For example, between 2010-2014, we published 28 papers based on our MBO research. Click here to see the full list of our publications.

Latitude: 43.979 N
Longitude: 121.687 W
Elevation: 9065 ft a.s.l. (2.8 km)

Current Instrumentation

Measurement Instrument Status
Wind Speed / Direction Taylor Scientific Operational
Temp / RH Campbell Scientific HMP45C Operational
Ozone Dasibi 1008 RS Operational
Carbon Monoxide Thermo 48C-TLE Not Operational
Carbon Monoxide / Carbon Dioxide / Water Vapor Picarro G2302 Cavity Ring-Down Spectrometer Operational
Aerosol Scattering (PM 2.5) Radiance Research M903 Integrating Nephelometer Not Operational
Aerosol Scattering 3-Wavelength (sub-micron) TSI 3563 Integrating Nephelometer Operational
Light Absorption Coefficient Radiance Research - Particle Soot/Absorption Photometer (PSAP) Operational
Elemental Mercury Tekran 2537 CVAFS Automated Mercury Analyzer Not Operational - 2013 TBD
Residual Gas and Particulate Mercury Tekran 1130 & 1135 Oxidized Speciation and Particulate Modules Operational During Spring and Summer
Nitrogen Oxides (NO & NO2) AQD - High Performance Two-Channel Chemiluminescence NO Analyzer with Blue Light Photolytic Converter Not Operational - 2013 TBD
Nitrogen Oxides (NOy) Jaffe Group Custom Design - Trace Level Chemiluminescence NO Analyzer with Molybdenum Converter Not Operational - 2013 TBD
PAN Jaffe Group Custom Design - Gas Chromatograph with Electron Capture Detector Not Operational - 2013 TBD
Data Aquisition DrDAS - EnvidasFW + ADAM5000 Operational
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