Louisa Emmons

Senior Scientist

UCAR staff page
CESM Chemistry-Climate Working Group co-chair
Atmospheric Chemistry Observations and Modeling (ACOM) Laboratory
National Center for Atmospheric Research
(303) 497-1491


Louisa Emmons is a Senior Scientist in the Atmospheric Chemistry Observations and Modeling Laboratory of NCAR. Louisa received her Bachelor's Degree in Physics at Haverford College and her Master's and Ph.D. Degrees at the State University of New York at Stony Brook, also in Physics. Her graduate research focused on remote sensing measurements of stratospheric ozone depletion, using ground-based mm-wave spectroscopy to study the Antarctic ozone hole and the Arctic springtime stratosphere. Her research since then has encompassed both measurements and modeling of tropospheric chemistry.

Louisa's research interests lie in the integration of measurements with models to investigate the impact of sources and their chemical evolution on tropospheric composition. This work includes the evaluation, and improvement, of models with observations, and the interpretation of observations with model results. Louisa developed the first climatologies of tropospheric ozone and its precursors based on many individual aircraft measurements and ground-based observations, which have been used to evaluate global models at NCAR and throughout the community. Louisa has also worked extensively with satellite observations of tropospheric constituents and published the first validation of the carbon monoxide (CO) retrievals from the Measurements Of Pollution In The Troposphere (MOPITT) instrument on the Terra satellite using airborne in situ measurements.

Louisa has provided chemical forecasts and satellite products to assist flight planning in many aircraft field campaigns, including NCAR-led TOPSE, MIRAGE, DC3, NOMADSS and FRAPPE, and NASA-led TRACE-P, INTEX-A, INTEX-B, ARCTAS, SEAC4RS, KORUS-AQ, FIREX-AQ, and the up-coming ASIA-AQ (Feb-Mar 2024).

She is one of the leads of the MUSICA (Multi-scale Infrastructure for Chemistry and Aerosols) model development.

Publications before 2000

Publications since at NCAR