Hg and POPs Working Group

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All users interested in the GEOS-Chem mercury and persistent organic pollutant (POPs) simulations are encouraged to subscribe to the Hg and POPs email list (click on the link in the contact information section below).

Information on existing projects and future developments in aerosols will be posted here. We encourage user groups to keep their information up-to-date.

Contact information

Hg and POPs Working Group Co-Chairs Lyatt Jaeglé and Noelle Selin
Hg and POPs Working Group email list geos-chem-hg-pop@seas.harvard.edu
To subscribe to email list Send email to geos-chem-hg-pop-join@seas.harvard.edu
To unsubscribe from email list Send email to geos-chem-hg-pop-leave@seas.harvard.edu

Current GEOS-Chem Hg and POPs Projects (please add yours!)

User Group Description Contact Person Date Added
UW N. American nested grid Hg simulation development Yanxu Zhang 05 Jul 2010
UW Hg long-range transport and deposition over Alaska Lyatt Jaeglé 05 Jul 2010
MIT Development of a PAH and PCB simulation and assessment of climate change impacts on pathways to the Arctic Noelle Selin and Carey Friedman 05 Jul 2010
MIT Analysis of Wet Deposition and RGM to constrain Hg-Br chemistry Noelle Selin and Amanda Giang 05 Jul 2010
MIT Inverse modeling to constrain Hg sources Noelle Selin and Shaojie Song 14 Mar 2011
Harvard Hg continental-scale source-receptor relationships Bess Sturges Corbitt 02 Aug 2010
Harvard Hg coupled atmosphere-terrestrial exchange and future climate change simulations Bess Sturges Corbitt 02 Aug 2010
Harvard Historical Hg simulation with fully coupled atm-soil-ocean model (GEOS-Chem). Helen Amos 09 Mar 2011
Harvard Long-term (30-year) simulation of Arctic Hg Jenny Fisher 04 May 2011
Harvard Observations of concentrations and fluxes across the air-sea interface during six cruises in the West Atlantic Ocean Anne L. Soerensen 10 May 2011
Harvard Updating the surface ocean representation with methyl mercury species (focus on the Arctic) Anne L. Soerensen 16 Nov 2011
Harvard Fate of Hg released from products Hannah Horowitz 22 Sep 2011
UCIrvine Mercury isotope budget and processes Christopher Holmes 31 Jan 2012
UCIrvine Mercury processes in the tropics Christopher Holmes 31 Jan 2012
Harvard Mercury in wastewater Helen Amos 13 Sep 2012
MIT Incorporating EDGAR and UNEP/AMAP 2010 emissions inventories Noelle Selin and Shaojie Song Jan 2013
MIT PFOS and PFOA atmospheric simulation Noelle Selin and Colin Pike-Thackray 17 Feb 2013
UOW Hg in Australia and/or the Antarctic Jenny Fisher 08 May 2013
Add yours here!

Recent GEOS-Chem updates related to Hg and POPs

The following development items have recently been added to GEOS-Chem:

Version Released Update Author(s)
v9-01-03 Sep 2012 Hg(II) gas-particle partitioning Helen Amos (Harvard)
v9-01-03 Sep 2012 Nested grid simulation over North America Yanxu Zhang (UW)
v9-01-02 Nov 2011 Hg anthropogenic emissions options for the year 2006 or 2050 following SRES scenarios A1B, A2, B1, and B2 from Streets et al. 2009. Bess Sturges Corbitt (Harvard)
v9-01-02 Nov 2011 Bug fixes impacting the Hg simulation: Chris Holmes (UC Irvine)
Team Hg
GEOS-Chem Support Team

--Bob Y. 12:01, 28 November 2011 (EST)

On-going Hg and POPs Working Group Developments

Update Contact Status
Development of GEOS-5 0.5x0.667 nested grid Hg simulation over the N. American domain. Yanxu Zhang (U. Washington) Slated for GEOS-Chem v9-02
Implement NEI 2005 Hg emission inventory over US Yanxu Zhang (U. Washington) Slated for GEOS-Chem v9-02
Option to use GEOS-Chem Br/BrO fields from Justin Parrella. Yanxu Zhang (U. Washington)
Justin Parella (Harvard)
Implement improved bromine explosion emission and chemistry in the Arctic Jenny Fisher (Harvard)
Implement improved snowpack reduction and re-emission in the Arctic Jenny Fisher (Harvard)
Implement Hg source to Arctic Ocean from riverine inputs Jenny Fisher (Harvard)

--Bob Y. 12:41, 22 February 2012 (EST)

Issues / Topics for Discussion

More discussion of the Hg simulation (code, issues, diagnostics) can be found on the Mercury page.