POPs simulation

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The POPs simulation is currently stale in GEOS-Chem 13.0.0 and later versions. We look to the GEOS-Chem Community to help maintain this simulation.

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  1. Simulations using KPP-built mechanisms (carbon, fullchem, Hg)
  2. Aerosol-only simulation
  3. CH4 simulation
  4. CO2 simulation
  5. Metals simulation
  6. POPs simulation
  7. Tagged CO simulation
  8. Tagged O3 simulation
  9. TransportTracers simulation


On this page we include information relevant to the persistent organic pollutant (POPs) simulation in GEOS-Chem.

Authors and collaborators

PAH simulation


This update was tested in the 1-month benchmark simulation v9-02c and approved on 29 Nov 2012.

A simulation for polycyclic aromatic hydrocarbons (PAHs) has been added to GEOS-Chem v8-03-02 following Friedman and Selin (2012). Three separate PAHs are modeled: phenanthrene (PHE), pyrene (PYR), and benzo[a]pyrene (BaP). Separate modules have been created for each of the PAHs. Users can choose between different compounds in the input file.

Updates to PAH code

These updates were included in the 1-month benchmark simulation v11-01c and approved on 14 Sept 2015. Additional benchmarking of the POPs simulation is in progress.

The updated PAH model is described in Friedman et al. (2014).


  1. Friedman, C. L and, N. E. Selin, Long-Range Atmospheric Transport of Polycyclic Aromatic Hydrocarbons: A Global 3-D Model Analysis Including Evaluation of Arctic Sources, Environ. Sci. Technol., 2012, 46 (17), 9501–9510, 2012. Article
  2. Friedman, C. L., Pierce, J. R., Selin, N. E., Assessing the influence of secondary organic versus primary carbonaceous aerosols on long-range atmospheric polycyclic aromatic hydrocarbon transport, Environ. Sci. Technol., 48 (6), 3293–3302, 2014. Article
  3. Friedman, C. L., Zhang, Y., Selin, N. E, Climate change and emissions impacts on atmospheric PAH transport to the Arctic, Environ. Sci. Technol., 48 (1), 429–437, 2014. Article
  4. Friedman, C. L. and N.E. Selin, PCBs in the Arctic atmosphere: determining important driving forces using a global atmospheric transport model, Atmos. Chem. Phys., 16, 3433-3448, doi:10.5194/acp-16-3433-2016, 2016. Article

--Melissa Sulprizio (talk) 14:34, 20 October 2016 (UTC)

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