Aerosols Working Group: Difference between revisions

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|'''Aerosols Working Group Co-Chairs'''
!width="300px" bgcolor="#CCCCCC"|Aerosols Working Group Co-Chairs
|[http://web.mit.edu/heald/www/ Colette Heald], [http://pierce.atmos.colostate.edu/ Jeff Pierce]
|width="600px"|
|-
*[http://www.atmos.washington.edu/blog/beckya/becky-alexander/ Becky Alexander] (GitHub: [https://github.com/beckyalexander @beckyalexander])
|'''Aerosols Working Group email list'''
*[http://pierce.atmos.colostate.edu/people.htm#jeff Jeff Pierce] (GitHub: [https://github.com/theloniuspunk @theloniuspunk])
|<tt>geos-chem-aerosols@seas.harvard.edu</tt>
*[https://profiles.ucr.edu/app/home/profile/wporter Will Porter] (Github [https://github.com/wporter @wporter])
|-
*[http://www.albany.edu/~yfq/ Fangqun Yu]
|'''To subscribe to email list'''
 
|Send email to [mailto:geos-chem-aerosols-join@seas.harvard.edu <tt>geos-chem-aerosols-join@seas.harvard.edu</tt>]
|-valign="top"
|-
!bgcolor="#CCCCCC"|Aerosols Working Group email list
|'''To unsubscribe from email list'''
|<tt>geos-chem-aerosols [at] g.harvard.edu</tt>
|Send email to [mailto:geos-chem-aerosols-leave@seas.harvard.edu <tt>geos-chem-aerosols-leave@seas.harvard.edu</tt>]
 
|-valign="top"
!bgcolor="#CCCCCC"|To subscribe to email list
|Either
*Send an email to <tt>geos-chem-aerosols+subscribe [at] g.harvard.edu</tt>
Or
*Go to the [https://groups.google.com/a/g.harvard.edu/forum/#!forum/geos-chem-aerosols GEOS-Chem Aerosols Google Group]
*Click on '''Subscribe to this group'''
 
|-valign="top"
!bgcolor="#CCCCCC"|To unsubscribe from email list
|Either
*Send an email to <tt>geos-chem-aerosols+unsubscribe [at] g.harvard.edu</tt>
Or
*Go to the [https://groups.google.com/a/g.harvard.edu/forum/#!forum/geos-chem-aerosols GEOS-Chem Aerosols Google Group]
*Click on the '''My Settings''' button
*Click on '''Leave this group'''
 
|}
|}


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{| border=1 cellspacing=0 cellpadding=5
{| border=1 cellspacing=0 cellpadding=5
|- bgcolor="#cccccc"
|- bgcolor="#cccccc"
!User Group
!width="150px"|User Group
!Description
!width="600px"|Description
!Contact Person
!width="150px"|Contact Person
!Date Added
!width="100px"|Date Added
|-
|-
|Beijing/SUNY
|Beijing/SUNY-Albany/L'Aquila
|Representing GEOS-Chem in the AEROCOM intercomparisons
|Representing GEOS-Chem in the AEROCOM intercomparisons
|[mailto:mayfu@pku.edu.cn May Fu] <br>[mailto:yfq@asrc.cestm.albany.edu Fangqun Yu]
|[mailto:mayfu@pku.edu.cn May Fu] <br>[mailto:fyu@albany.edu Fangqun Yu]<br>[mailto:gabriele.curci@aquila.infn.it Gabriele Curci]
|28 Jul 2010
|28 Jul 2010
|-
|-
|CU Boulder
|Columbia University
|Inverse modeling of inorganic PM2.5 precursors.  Direct aerosol radiative forcing.
|Multiphase SOA formation in GEOS-Chem
|[mailto:daven.henze@colorado.edu Daven Henze]
|[mailto:vfm2103@columbia.edu Faye McNeill]  
|19 Apr 2009
|23 Apr 2015
|-
|CMU
|Development of aerosol microphysics. Represented aerosols include size-resolved aerosol numbers and multi-component mass species, including sulfate, sea-salt, OM, EC, and dust. Evaluation against field campaign, e.g. ACE-Asia.
|[mailto:petera@andrew.cmu.edu Peter Adams]<br>[mailto:dwesterv@andrew.cmu.edu Dan Westervelt]
|23 Apr 2009
|-
|-
|Dalhousie
|Dalhousie
|Optimal estimation satellite retrieval of aerosols
|Decadal trends in PM2.5
|[mailto:Aaron.van.Donkelaar@dal.ca Aaron van Donkelaar]
|[mailto:ch296755@dal.ca Chi Li]
|26 Sep 2012
|13 Apr 2017
|-
|-
|Dalhousie
|Dalhousie
|Global aerosol speciation
|Arctic aerosol number distributions
|[mailto:philip.sajeev@gmail.com Sajeev Philip]
|26 Sep 2012
|-
|Dalhousie
|Sensitivity of Asian aerosols to emissions
|[mailto:Shailesh.Kharol@DAL.CA Shailesh Kharol]
|26 Sep 2012
|-
|Dalhousie/Tsinghua
|Historical trends in Asian PM2.5 and emissions
|[mailto:ggn220@gmail.com Guannan Geng]
|26 Sep 2012
|-
|Dalhousie
|Simulation of the absorbing aerosol index
|[mailto:fr526565@dal.ca Farhan Khan]
|26 Sep 2012
|-
|Dalhousie
|Diurnal variation in North American aerosol
|[mailto:Andrew.Morrow@Dal.Ca Andrew Morrow]
|26 Sep 2012
|-
|Dalhousie
|Sensitivity of global PM2.5 to sources
|[mailto:colin.lee@dal.ca Colin Lee]
|26 Sep 2012
|-
|Dalhousie
|Aerosol microphysics simulation of AOD and PM2.5
|[mailto:croft@mathstat.dal.ca Betty Croft]
|[mailto:croft@mathstat.dal.ca Betty Croft]
|26 Sep 2012
|13 Apr 2017
|-
|-
|Dalhousie
|Dalhousie
|Aerosol scavenging, nuclear accident simulation (137-CS, 133-XE)
|Arctic black carbon
|[mailto:croft@mathstat.dal.ca Betty Croft]
|[mailto:jn231250@dal.ca Junwei Xu]
|03 Jan 2013
|13 Apr 2017
|-
|-
|Dalhousie
|Dalhousie
|Satellite-based estimates of Asian PM2.5
|Metals in PM2.5  
|[mailto:jn231250@dal.ca Junwei Xu]
|[mailto:jn231250@dal.ca Junwei Xu]
|26 Sep 2012
|13 Apr 2017
|-
|Dalhousie
|Aerosol microphysics: effects of nucleation, emissions and SOA on aerosol size distribution
|[mailto:jeffrey.robert.pierce@gmail.com Jeff Pierce]
|03 Jan 2011
|-
|-
|Dalhousie
|Dalhousie
|Historical trends in global satellite-derived estimates of PM2.5  
|Interpreting SPARTAN to understand PM2.5 chemical composition
|[mailto:briboys@gmail.com Brian Boys]
|[mailto:cr330325@dal.ca Crystal Weagle]
|27 Apr 2011
|13 April 2017
|-
|-
|Dalhousie
|Dalhousie
|Historical trends in aerosol speciation in North America 
|Aerosol mass scattering efficiency
|[mailto:s.torbatian@gmail.com Sara Torbatian]
|[mailto:Robyn.Latimer@Dal.Ca Robyn Latimer]
|27 Apr 2011
|13 April 2017
|-
|-
|Harvard
|Harvard
|Aerosol scavenging in continental outflow; intercontinental transport and dissipation of pollution plumes
|Particulate sulfur via sulfur-formaldehyde (hydroxymethane sulfonate) chemistry in clouds
|[mailto:kim68@fas.harvard.edu Sungshik Kim]
|[mailto:jmoch@g.harvard.edu Jonathan Moch]
|13 Jul 2010
|14 Dec 2018
|-
|-
|MIT
|MIT/Harvard
|PM2.5 concentrations and health impacts, including future emissions trends
|Implementing MOSAIC aerosols into GEOS-Chem
|[mailto:selin@mit.edu Noelle Selin]
|[mailto:seastham@mit.edu Sebastian Eastham]
|29 Jun 2010
|11 May 2015
|-
|-
|MIT
|MIT
|Examining long term trends of dust in the tropics
|Developing a simulation of bioaerosol
|[mailto:daridley@mit.edu Dave Ridley]
|[mailto:janssen@mit.edu Ruud Janssen]
|10 April 2012
|12 Apr 2017
|-
|-
|MIT
|MIT
|Investigating sub-grid variability and scale invariance of dust emissions
|Investigating spread in carbonaceous aerosol impacts from fires due to emissions uncertainty
|[mailto:daridley@mit.edu Dave Ridley]
|[mailto:tscarter@mit.edu Tess Carter]
|25 September 2012
|29 Apr 2019
|-
|-
|MIT
|MIT
|Integrating RRTMG in GEOS-Chem (LW and SW, gases and aerosols), evaluating aerosol forcing
|Testing OA simulation schemes against suite of airborne observations
|[mailto:daridley@mit.edu Dave Ridley] [mailto:heald@mit.edu Colette Heald]
|[mailto:sidhantp@mit.edu Sid Pai]
|25 September 2012
|29 Apr 2019
|-
|-
|MIT
|MIT
|Investigating impact of black carbon aging and mixing on radiative forcing
|Exploring aerosol simulation against remote observations from ATom
|[mailto:xuanw12@mit.edu Xuan Wang]
|[mailto:chloegao@mit.edu Chloe Gao]
|25 September 2012
|29 Apr 2019
|-
|-
|MIT
|SUNY-Albany
|Investigating NHx system (GEOS-Chem compared to surface, CalNex and IASI observations)
|Effects of size-resolved aerosol microphysics on aerosol radiative forcing and chemistry
|[mailto:schiferl@mit.edu Luke Schiferl]
|[mailto:fyu@albany.edu Fangqun Yu]<br>[mailto:gluo@albany.edu Gan Luo]
|20 May 2010
|5 May 2015
|-
|-
|MIT
|SUNY-Albany
|Developing a scheme to describe the aging of organic aerosol
|Combining Measurements and Model Simulations of Particle Size Distributions to Improve Our Understanding of Particle Formation and Growth
|[mailto:qichen@mit.edu Qi Chen]
|[mailto:fyu@albany.edu Fangqun Yu]<br>[mailto:gluo@albany.edu Gan Luo]
|8 Apr 2013
|4 May 2017
|-
|-
|MIT
|SUNY-Albany
|Impact of 2000-2050 changes in climate, vegetation and land use on aerosols
|Long-Term Trend of Particle Number Concentrations: Controlling Processes and Implications
|[mailto:pkamostai@gmail.com Amos Tai]
|[mailto:fyu@albany.edu Fangqun Yu]<br>[mailto:gluo@albany.edu Gan Luo]
|9 May 2013
|4 May 2017
|-
|MIT/CU
|Investigating transpacific transport of aerosol and gas-phase pollution.
|[mailto:klapina@atmos.colostate.edu Kateryna Lapina]
|13 Apr 2009
|-
|MIT/CSU
|Investigating aerosols in the Southeastern US
|[mailto:bonne@atmos.colostate.edu Bonne Ford]
|01 Feb 2012
|-
|NASA LaRC
|transpacific transport of dust and sulfate; composition of Asian upper tropopause aerosol layer (ATAL).
|[mailto:t.d.fairlie@nasa.gov Duncan Fairlie]
|10 Apr 2013
|-
|NIA / LaRC
|Radiative effects of aerosols vs. clouds
|[mailto:hyl@nianet.org Hongyu Liu]
|05 Feb 2010
|-
|Peking University
|Carbonaceous aerosols in China
|[mailto:tmfu@pku.edu.cn May Fu]
|01 Jul 2010
|-
|Peking University
|Biomass burning aerosols in South and East Asia
|[mailto:tmfu@pku.edu.cn May Fu]
|01 Jul 2010
|-
|Peking University
|Estimate of interdecadal variation in direct radiative effect of aerosols over global lands
|[mailto:linjt@pku.edu.cn Jintai Lin]
|01 Nov 2010
|-
|Peking University
|Anthropogenic dust and impacts on global environment
|[mailto:linjt@pku.edu.cn Jintai Lin]
|01 May 2011
|-
|University of Athens-National Observatory of Athens (Greece)
|Study of aerosols over Europe and Greece by coupling Geos-chem (v8-03-01) with Camx
|[mailto:aprot@phys.uoa.gr Anna Protonotariou]
|01 Jul 2010
|-
|UNL
|aerosol retrieval from satellite, aerosol direct and indirect effect.
|[mailto:jwang7@unl.edu Jun Wang]
|22 Apr 2009
|-
|University of L'Aquila
|Participation in organic aerosol AEROCOM intercomparison (v8.02.02 of GEOS-Chem)
|[mailto:gabriele.curci@aquila.infn.it Gabriele Curci]
|24 Jun 2009
|-
|University of L'Aquila
|Development of a post-processing tool for aerosol optical properties computations
|[mailto:gabriele.curci@aquila.infn.it Gabriele Curci]
|20 Jan 2011
|-
|-
|UW
|UW
|Investigating the chemistry of sulfate and nitrate aerosol formation utilizing observations and modeling of oxygen isotopes
|Sources of sea salt aerosol in polar regions: Blowing snow and Frost flowers
|[mailto:beckya@uw.edu Becky Alexander]
|[mailto:jiayue@uw.edu Jiayue Huang] <br>[mailto:jaegle@uw.edu Lyatt Jaeglé]
|30 Jun 2010
|22 Apr 2015
|-
|-
|UW
|UW
|Developing a new parameterization of sea-salt emissions and dry deposition
|Sea salt aerosols and their effects on global tropospheric chemistry
|[mailto:jaegle@uw.edu Lyatt Jaegl&eacute;]
|[mailto:jaegle@uw.edu Lyatt Jaeglé]<br> [mailto:jiayue@uw.edu Jiayue Huang]
|01 Jul 2010
|22 Apr 2015
|-
|-
|UW
|Transport of aerosols to the Arctic using CALIOP observations
|[mailto:dipierro@uw.edu Maurizio DiPierro]
|01 Jul 2010
|-
|-
|UW
|UW
|Long-range transport of aerosols from Asia and N. America
|Sulfate formation via oxidation of SO2 by hypohalous acids (e.g., HOBr)
|[mailto:yrluan@uw.edu Yurong Luan]
|[mailto:beckya@uw.edu Becky Alexander]<br> [mailto:chenqjie@uw.edu Qianjie Chen]
|01 Jul 2010
|22 April 2015
|-
|-
|SNU
|University of Wollongong
|Evaluation of regional aerosol simulations with the nested G-C over East Asia
|Characterizing interannual variability of Australian dust export and deposition
|[mailto:rjpark@snu.ac.kr Rokjin Park]
|[mailto:jwg366@uowmail.edu.au Jesse Greenslade]<br> [mailto:jennyf@uow.edu.au Jenny Fisher]
|15 Sep 2009
|23 April 2015
|-
|-
|SNU
|L'Aquila
|Implement the VBS method in GEOS-Chem for SOA
|Analysis of aerosol optical properties using FlexAOD
|[mailto:rjpark@snu.ac.kr Rokjin Park] [mailto:cdswk@snu.ac.kr Dusung Jo]
|[mailto:gabriele.curci@aquila.infn.it Gabriele Curci]
|28 Sep 2012
|16 Apr 2017
|-
|-
|SNU
|L'Aquila
|Siberian forest fire aerosols and climatic effects
|AeroCom phase-3 intercomparisons: Biomass Burning, INSITU, Remote Sensing
|[mailto:rjpark@snu.ac.kr Rokjin Park] [mailto:hb3099@hotmail.com Seungeun Lee]
|[mailto:gabriele.curci@aquila.infn.it Gabriele Curci]
|28 Sep 2012
|16 Apr 2017
|-
|-
|SUNY-Albany
|L'Aquila
|Formation and evolution of particles in the troposphere
|Direct and first indirect effect of anthropogenic dust
|[mailto:yfq@asrc.cestm.albany.edu Fangqun Yu]
|[mailto:gabriele.curci@aquila.infn.it Gabriele Curci]
|06 Mar 2010
|16 Apr 2017
 
|-
|-
|}
|NIA / NASA LaRC
 
|Radiative effects of aerosols versus clouds on key tropospheric oxidants
== Recent GEOS-Chem updates related to aerosols ==
|[mailto:Hongyu.Liu-1@nasa.gov Hongyu Liu]
 
|5 May 2015
We have added the following updates pertaining to aerosols to recent GEOS-Chem versions:
 
{| border=1 cellspacing=0 cellpadding=5
|-bgcolor="#CCCCCC" valign="top"
!Version
!Released
!Description
!Contact
 
|-valign="top"
|[[GEOS-Chem v9-01-03|v9-01-03]]
|Sep 2012
|[[Mineral_dust_aerosols#Sub-micron_dust_mass_partitioning_change|Dust submicron size distribution for optics]]
|Dave Ridley, CSU
 
|-valign="top"
|[[GEOS-Chem v9-01-03|v9-01-03]]
|Sep 2012
|Modifications to sea salt [[Sea_salt_aerosols#SST_dependent_sea_salt_emissions|emissions]] and [[Sea_salt_aerosols#Updates_to_sea_salt_dry_deposition|dry deposition]]
|Lyatt Jaegle and Becky Alexander, U Washington
 
|-valign="top"
|[[GEOS-Chem v9-01-03|v9-01-03]]
|Sep 2012
|Various updates to wet deposition to impact aerosol simulation, see [http://wiki.seas.harvard.edu/geos-chem/index.php/Wet_deposition#Further_updates Wet Deposition Further Updates]
|Qiaoqiao Wang, Harvard
 
|-valign="top"
|[[GEOS-Chem v9-01-02|v9-01-02]]
|Nov 2011
|Implementation of [[APM aerosol microphysics]] model
|Fangqun Yu, SUNY Albany<br>Gan Luo, SUNY Albany
 
|-valign="top"
|[[GEOS-Chem v9-01-02|v9-01-02]]
|Nov 2011
|[[GEOS-Chem_v9-01-01#Inconsistencies_in_aerosol_diagnostics|Removing inconsistencies in aerosol diagnostics]]
|Sungshik Patrick Kim, Harvard
 
|-valign="top"
|[[GEOS-Chem v9-01-02|v9-01-02]]
|Nov 2011
|[[Dry_deposition#Aerosol_dry_deposition_velocities_over_snow_and_ice_surfaces|Updated aerosol dry deposition velocities over snow and ice surfaces]]
|Jenny Fisher, Harvard
 
|-valign="top"
|[[GEOS-Chem v9-01-02|v9-01-02]]
|Nov 2011
|[[Anthropogenic_emissions#Streets_2000|Added seasonality to Streets NH3 emissions over Asia]]
|Jenny Fisher, Harvard
 
|-valign="top"
|[[GEOS-Chem v9-01-01|v9-01-01]]
|Jun 2011
|[[FlexAOD]] post-processing tool for the community
|Gabriele Curci, University of l'Aquila
 
|-valign="top"
|[[GEOS-Chem v8-03-02|v8-03-02]]
|Sep 2010
|Using GEOS-5 liquid water content (LWC) and cloud fraction fields directly (rather than a parameterization) for aqueous sulfate chemistry
|Jenny Fisher, Harvard
 
|-valign="top"
|[[GEOS-Chem v8-03-02|v8-03-02]]
|Sep 2010
|Implementation of new Bond et al. BC/OC emissions
* NOTE: Aerosol comparisons have been added to the standard 1 year benchmark, including speciated IMPROVE and PM2.5 from North America and Europe.  Others are welcome to contribute 2005 observations to this effort (Colette Heald, CSU)
|E. Leibensperger, Harvard
 
|-valign="top"
|[[GEOS-Chem v8-03-01|v8-03-01]]
|May 2010
|[[Photolysis mechanism#Updated aerosol optical properties|Updating of GEOS-Chem aerosol optics]]
|Colette Heald, CSU
 
|-valign="top"
|[[GEOS-Chem v8-03-01|v8-03-01]]
|May 2010
|[[ISORROPIA II]] in GEOS-Chem, implemented along with new isoprene chemistry from Caltech
|Havala Pye, (formerly Caltech, now EPA)
 
|-valign="top"
|[[GEOS-Chem v8-03-01|v8-03-01]]
|May 2010
|[[Secondary organic aerosols#Modification to SOA formulation|Recommendation to remove SOA condensation in inorganic aerosol from standard code]]
|Colette Heald, CSU
 
|-valign="top"
|[[GEOS-Chem v8-03-01|v8-03-01]]
|May 2010
|Adding aromatic SOA to standard code, released with [[New isoprene scheme|Caltech isoprene chemistry]]
|Daven Henze, CU Boulder
 
|-valign="top"
|[[GEOS-Chem v8-03-01|v8-03-01]]
|May 2010
|Implementation of [[TOMAS aerosol microphysics]] model
|Peter Adams, CMU
 
|-valign="top"
|[[GEOS-Chem v8-02-04|v8-02-04]]
|Feb 2010
|Implementation of new [[Volcanic SO2 emissions from Aerocom|volcanic emissions of SO2 from AeroCom]]
|Jenny Fisher, Harvard
 
|-valign="top"
|[[GEOS-Chem v8-02-04|v8-02-04]]
|Feb 2010
|[[Sea salt aerosols#Updates to sea salt emissions algorithm|Updates and fixes to sea salt routine]]
|Lyatt Jaegle, UW<br>Becky Alexander, UW
 
|}
 
--[[User:Bmy|Bob Y.]] 15:48, 6 September 2012 (EDT)
 
== On-going Aerosol Working Group Developments ==
 
We plan to add these aerosol-related updates to GEOS-Chem in the next few releases:
 
{| border=1 cellspacing=0 cellpadding=5
|-bgcolor="#CCCCCC" valign="top"
!Update
!Authors
!Planned release
 
|-valign="top"
|[[Secondary organic aerosols#SOA simulation with semi-volatile POA|Expansion of SOA option (SOA + nonvolatile POA)]]
|Havala Pye (formerly Caltech, now EPA)
|Implemented in [[GEOS-Chem v9-02|v9-02]], awaiting release
 
|-valign="top"
|[[Coupling GEOS-Chem with RRTMG|Integrating a radiative transfer model into GEOS-Chem]]
|Colette Heald (MIT)<br>David Ridley (MIT)<br>Karen Cady-Pereira (AER)<br>Matt Alvarado (AER)
|Delivered to [[GEOS-Chem Support Team|GCST]]; slated for inclusion post-[[GEOS-Chem v9-02|v9-02]]
 
|-valign="top"
|[[Mineral dust aerosols#Surface chemistry on dust|Simplified description of uptake of SO2, nitric acid and sulfuric acid on mineral dust]]
|Duncan Fairlie, Langley
|Delivered to [[GEOS-Chem Support Team|GCST]]; slated for inclusion post-[[GEOS-Chem v9-02|v9-02]]
 
|}
 
--[[User:Bmy|Bob Y.]] 15:49, 6 September 2012 (EDT)
 
== Future Development Priorities ==
 
These topics were raised at the IGC5 as future updates & development priorities for GEOS-Chem (with additions from the community in recent months):
 
{| border=1 cellspacing=0 cellpadding=5  
|-bgcolor="#CCCCCC" valign="top"
!Update
!Authors
!Priority
 
|-valign="top"
|Integrating online radiative forcing calculations into GEOS-Chem
|Colette Heald (MIT), David Ridley (MIT)
|high
 
|-valign="top"
|Addition of effective wind speed to met fields for consistent resolution dust/sea salt emissions
|Jeff Pierc (Dalhousie), David Ridley (MIT) and GCST
|medium
 
|-valign="top"
|Addition of deposition observations to aerosol benchmark
|Colette Heald (MIT)
|low
 
|-valign="top"
|dust simulation expansion (tagged simulation, oxalate, P, Fe chemistry)
|Matthew Johnson (NC State)
|low
 
|-valign="top"
|DMS oxidation scheme updating
|TBD
|low
 
|-valign="top"
|Investigation of how aerosol water is treated in PM comparisons (ISORROPIA vs. hygroscopic growth curves)
|TBD
|low
 
|-valign="top"
|APM capability for nested grid
|Fangqun Yu (SUNY Albany)
|
 
|-valign="top"
|TOMAS capability for nested grid
|Jeff Pierce (Dalhousie)
|
 
|-valign="top"
|Cloudwater pH for sulfate formation
|Becky Alexander (U Washington)
|
 
|-valign="top"
|Tagged sulfate and nitrate simulation
|Becky Alexander (U. Washington)
|
 
|-valign="top"
|Improved dust simulation in nested-grid model
|Rokjin Park (Seoul National University)
|
 
 
 
|}
 
--[[User:Cheald|Colette Heald]] 12:39, 9 May 2011 (EDT)<br>
--[[User:Bmy|Bob Y.]] 14:14, 8 August 2011 (EDT)
 
== Aerosol optical properties ==
 
Please visit our new [[Aerosol optical properties|aerosol optical properties wiki page]] for more information about:
 
# [http://www.atmos.colostate.edu/~heald/docs/GEOS_Chem_optics_description.pdf  Description of GEOS-Chem aerosol optics]
# [[Aerosol optical properties#Aerosol optical properties update for GEOS-Chem v8-03-01|Aerosol optical properties update for v8-03-01]]
# [[Aerosol optical properties#Aerosol optical properties at high spectral resolution|Aerosol optical properties at high spectral resolution]]
 
Here is a list of updates that were considered (2, 4 and 5 are included in the [[GEOS-Chem v8-03-01|v8-03-01]] update):
 
{| border=1 cellspacing=0 cellpadding=5
|- bgcolor="#cccccc"
!Proposed Update (include information on old values if known)
!Reference
!Contact
|-
|-
|Account for absorption in the 300-500 nm range by OC, which may be greater than presently treated.  Currently we have OC ss albedo in this range being > 0.95, though it may be lower than 0.85.
|NIA / NASA LaRC
|[http://www.atmos-chem-phys.net/8/6665/2008/acp-8-6665-2008.pdf Barnard et al, 2008]
|Lifecycle, transport, and distribution of tropospheric aerosols over the western North Atlantic
|[mailto:daven.henze@colorado.edu Daven Henze]
|[mailto:Hongyu.Liu-1@nasa.gov Hongyu Liu]
|5 May 2015
|-
|-
|Expand Mie table to include more wavelengths.  Most literature values compare at 500 or 550 nm. Current GC lookup table includes 400, then 600.  A wider range is also necessary for integrating to get total SW flux; something greater than 1500 perhaps?
|UCLA
|[http://www.atmos-chem-phys.net/4/183/2004/acp-4-183-2004.html Martin et al, 2004]
|Improve black carbon simulations in GEOS-Chem; BC aging microphysics; BC-snow interaction; BC radiative properties;
|[mailto:daven.henze@colorado.edu Daven Henze]  
|[mailto:cenlinhe@atmos.ucla.edu Cenlin He]
|8 May 2015
|-
|-
|Consider using the water content of the fine mode aerosol calculated in the aerosol thermodynamic module rather than hygroscopic growth curves to estimate wet particle effective radius.
|UCLA
|N/A
|Black carbon emissions, simulations and its radiative effects over the Arctic
|[mailto:daven.henze@colorado.edu Daven Henze]  
|[mailto:qiling@atmos.ucla.edu Ling Qi]
|8 May 2015
|-
|-
|Consider changing the "default" AOD diagnostic wavelength from 400 nm to 550nm (for matching with MODIS & CALIPSO)
|UCLA
|N/A
|Improve aerosol wet scavenging and dry deposition in GEOS-Chem
|[mailto:heald@atmos.colostate.edu.edu Colette Heald]  
|[mailto:qiling@atmos.ucla.edu Ling Qi]<br>[mailto:cenlinhe@atmos.ucla.edu Cenlin He]
|8 May 2015
|-
|-
|Treat the radius of hydrophylic organic aerosol similar to that of sulfate.  This is based on observations that organic aerosol and sulfate are often internally mixed.  Should we consider something similar for black carbon?   
|[http://cat.inist.fr/?aModele=afficheN&cpsidt=17219054 Rupkheti et al., 2007]
|[mailto:randall.martin@dal.ca Randall Martin]
|}
|}


== Related Topics ==
== Related Pages ==
* [[Aerosol emissions]]
* [[Aerosol emissions]]
* Aerosol microphysics simulations:
* Aerosol microphysics simulations:
Line 521: Line 202:
* [[Carbonaceous aerosols]]
* [[Carbonaceous aerosols]]
* [[Mineral dust aerosols]]
* [[Mineral dust aerosols]]
* [[Secondary organic aerosols]]
* [[Sea salt aerosols]]
* [[Sea salt aerosols]]
* [[Sulfate aerosols]]
* [[Sulfate aerosols]]
* [[ISORROPIA II]]
* [[ISORROPIA II]]
* [[Photolysis mechanism|Photolysis mechanism in GEOS-Chem]]
* [[Photolysis mechanism|Photolysis mechanisms in GEOS-Chem]]
 
== Issues / Topics for Discussion ==

Latest revision as of 22:07, 8 June 2024

All users interested in the GEOS-Chem aerosol simulations are encouraged to subscribe to the aerosols 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

Aerosols Working Group Co-Chairs
Aerosols Working Group email list geos-chem-aerosols [at] g.harvard.edu
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Current GEOS-Chem Aerosol Projects, alphabetized by institution (please add yours!)

User Group Description Contact Person Date Added
Beijing/SUNY-Albany/L'Aquila Representing GEOS-Chem in the AEROCOM intercomparisons May Fu
Fangqun Yu
Gabriele Curci 		28 Jul 2010
Columbia University Multiphase SOA formation in GEOS-Chem Faye McNeill 23 Apr 2015
Dalhousie Decadal trends in PM2.5 Chi Li 13 Apr 2017
Dalhousie Arctic aerosol number distributions Betty Croft 13 Apr 2017
Dalhousie Arctic black carbon Junwei Xu 13 Apr 2017
Dalhousie Metals in PM2.5 Junwei Xu 13 Apr 2017
Dalhousie Interpreting SPARTAN to understand PM2.5 chemical composition Crystal Weagle 13 April 2017
Dalhousie Aerosol mass scattering efficiency Robyn Latimer 13 April 2017
Harvard Particulate sulfur via sulfur-formaldehyde (hydroxymethane sulfonate) chemistry in clouds Jonathan Moch 14 Dec 2018
MIT/Harvard Implementing MOSAIC aerosols into GEOS-Chem Sebastian Eastham 11 May 2015
MIT Developing a simulation of bioaerosol Ruud Janssen 12 Apr 2017
MIT Investigating spread in carbonaceous aerosol impacts from fires due to emissions uncertainty Tess Carter 29 Apr 2019
MIT Testing OA simulation schemes against suite of airborne observations Sid Pai 29 Apr 2019
MIT Exploring aerosol simulation against remote observations from ATom Chloe Gao 29 Apr 2019
SUNY-Albany Effects of size-resolved aerosol microphysics on aerosol radiative forcing and chemistry Fangqun Yu
Gan Luo 		5 May 2015
SUNY-Albany Combining Measurements and Model Simulations of Particle Size Distributions to Improve Our Understanding of Particle Formation and Growth Fangqun Yu
Gan Luo 		4 May 2017
SUNY-Albany Long-Term Trend of Particle Number Concentrations: Controlling Processes and Implications Fangqun Yu
Gan Luo 		4 May 2017
UW Sources of sea salt aerosol in polar regions: Blowing snow and Frost flowers Jiayue Huang
Lyatt Jaeglé 		22 Apr 2015
UW Sea salt aerosols and their effects on global tropospheric chemistry Lyatt Jaeglé
Jiayue Huang 		22 Apr 2015
UW Sulfate formation via oxidation of SO2 by hypohalous acids (e.g., HOBr) Becky Alexander
Qianjie Chen 		22 April 2015
University of Wollongong Characterizing interannual variability of Australian dust export and deposition Jesse Greenslade
Jenny Fisher 		23 April 2015
L'Aquila Analysis of aerosol optical properties using FlexAOD Gabriele Curci 16 Apr 2017
L'Aquila AeroCom phase-3 intercomparisons: Biomass Burning, INSITU, Remote Sensing Gabriele Curci 16 Apr 2017
L'Aquila Direct and first indirect effect of anthropogenic dust Gabriele Curci 16 Apr 2017
NIA / NASA LaRC Radiative effects of aerosols versus clouds on key tropospheric oxidants Hongyu Liu 5 May 2015
NIA / NASA LaRC Lifecycle, transport, and distribution of tropospheric aerosols over the western North Atlantic Hongyu Liu 5 May 2015
UCLA Improve black carbon simulations in GEOS-Chem; BC aging microphysics; BC-snow interaction; BC radiative properties; Cenlin He 8 May 2015
UCLA Black carbon emissions, simulations and its radiative effects over the Arctic Ling Qi 8 May 2015
UCLA Improve aerosol wet scavenging and dry deposition in GEOS-Chem Ling Qi
Cenlin He 		8 May 2015

Related Pages

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