James E. Johnson

Research Scientist

Jim JohnsonPhD, University of Washington, Atmospheric Sciences, 1985

E-mail: james.e.johnson@noaa.gov
Office: PMEL, Bldg 3, Rm 1052, NOAA Sand Point

Phone: 206-526-63556

Fax: 206-526-6744

Research Interests

Atmospheric chemistry, chemistry of gases and aerosols in the marine boundary layer, air-sea flux of trace gases, atmospheric sulfur cycle, measurements of tropospheric sulfur gases, ozone, carbon monoxide, radon and aerosols, measurements of oceanic sulfur gases and carbon monoxide and hydrocarbons, chemical instrumentation and automation, time series analysis of atmospheric chemistry data.

See website: http://saga.pmel.noaa.gov

Current Research Projects

  • Field Projects ICEALOT and VOCALS
  • Maintain the PMEL Atmospheric Chemistry Group web based "data server" (of our group's data) and the DMS data sever, a global database of surface seawater Dimethylsulfide (DMS) Concentrations from over 40 research groups.

Selected Publications

Huebert, B.J., B.W. Blomquist, J.E. Hare, C.W. Fairall, J.E. Johnson, and T.S. Bates, Measurement of the sea-air DMS flux and transfer velocity using eddy correlation, Geophys. Res. Lett., 31, L23113, doi:10.1029/2004GL021567, 2004.

Bates, T.S., P.K. Quinn, D.J. Coffman, J.E. Johnson and A.M. Middlebrook, The Dominance of Organic Aerosols in the Marine Boundary Layer over the Gulf of Maine during NEAQS 2002 and their Role in Aerosol Light Scattering, J. Geophys. Res., 110(D18), D18202, doi:10.1029/2005JD005797, 2005.

Johnson, J.E., Evaluation of a Seawater Equilibrator for Shipboard Analysis of Dissolved Oceanic Trace Gases. Analytica Chimica Acta, 395, 119-132, 1999.

Johnson, J.E., and T.S. Bates, Sources and sinks of Carbon Monoxide in the Mixed Layer of the Tropical South Pacific Ocean,  Global Biogeochemical Cycles., 10, 347-359, 1996.