Ru-Shan Gao

Research Physicist

Atmospheric Composition & Chemical Processes



NOAA Chemical Sciences Laboratory
325 Broadway, R/CSL6
Boulder, CO 80305 USA


Ru-Shan is a research physicist in NOAA's Earth System Research Laboratory in Boulder. Colorado, USA. His principal research interests are 1. The measurement of trace gases and aerosols in the troposphere and lower stratosphere using instruments on board research aircraft, and 2. Interpretive studies addressing stratospheric ozone depletion, the photochemistry of nitrogen oxides, the formation of nitric acid containing aerosols, and the role of black carbon aerosol in climate. Ru-Shan has participated and served as Principal Investigator for a variety of instruments on a number of airborne sampling missions with research aircraft. Ru-Shan is considered by his colleagues to be a Master Craftsman who is outstanding at creating one-of-a-kind scientific devices for laboratory and field instruments.


PhD - Physics, Rice University, Houston, Texas, USA
BA   - Physics, Zhejiang University, China

Current Topics

  • Airborne measurements of aerosol and trace gases in the troposphere and lower stratosphere using custom instruments.
  • Development of aerosol and trace gas instruments for scientific research and environment monitoring.
  • Development and use of in situ and remote-sensing instruments for wildfire measurements.

National Oceanic and Atmospheric Administration

last modified: December 23, 2020