Vertical profiles, transport and removal

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+
'''[[AeroCom]]''' wiki discussion  entry
  
 
Go back to '''[[AeroCom/Working group structure]]'''
 
Go back to '''[[AeroCom/Working group structure]]'''
Line 9: Line 9:
 
===Participants===
 
===Participants===
 
Christiane Textor, Paul Ginoux, Rich Ferrare, Ralph Kahn,
 
Christiane Textor, Paul Ginoux, Rich Ferrare, Ralph Kahn,
Oyvind Seeland, Philippe Stier,Dave Winker (
+
Oyvind Seeland, Philippe Stier,Dave Winker (&CALIPSO science team),
 +
Xhiahong Liu, Dorothy Koch, Trond Iverson, Graham Mann, Steve Ghan,
 +
Mian Chin, Hiuisheng Bian (GMI), Michael Schulz<br>
 +
more?<br>
 +
 
 +
===Goals===
 +
* Understanding of model diversity in spatial distribution and in removal processes
 +
* Evaluate simulated spatial distribution and processes with observations
 +
* Establish/quantify an acceptable diversity in global aerosol simulations
 +
* Find methods to evaluate process parameterisations
 +
* Define dedicated diagnostics of model results
 +
* Elaborate recommendations
 +
* Collect data for model evaluation (vertical profiles&processes) including uncertainty
 +
 
 +
* This working group has a special focus on dust.
 +
 
 +
 
 +
===Specific scientific questions===
 +
* How realistic are the simulated (vertical and horizontal) spatial aerosol distributions?
 +
* How to validate aerosol processes?
 +
* Is the diversity of simulated vertical dispersal caused by differences in transport or by removal processes?
 +
* How much complexity of aerosol models is necessary?
 +
* more
 +
 
 +
 
 +
===Processes and possible Diagnostics===
 +
Document model parameterisations <br>
 +
Assemble observed vertical profiles to evaluate models<br>
 +
PBL vs. Troposphere, look at mesoscale models<br>
 +
Exchange modules (use in the same GCM, link to GMI)<br>
 +
 
 +
 
 +
===Short-term actions/experiments===
 +
Compare AeroCom data to observations<br>
 +
Redo simulation for 2003 with specific diagnostics<br>
 +
Passive tracer experiment (HTAP CO-experiments)<br>
 +
Validate model results with observed vertical LIDAR profiles: Rich and Christiane<br>
 +
Ensure a link to the scavenging workshop planned by NCAR and NASA (P. Rash and J. Rodriguez).
 +
 
 +
The first months of Calipso data should be a primary goal for
 +
a joint experiment. July-August 2006. Emissions from biomass burning
 +
should be up to date. Charles Ichoku proposed to prepare an
 +
emission dataset based on radiative power energy and MODIS fire spots.
 +
Guido van der Werf is investigating the burnt area product readiness.
 +
 
 +
===Data to look at===
 +
* vertical distribution
 +
ground-based networks: lidar backscatter (corrected), extinction ARM MPLNET EARLINET<br>
 +
satellites: GLASS, MISR?, CALIPSO
 +
aircraft campaigns
 +
 
 +
* horizontal distribution
 +
station data (surf conc) networks<br>
 +
satellite data (e.g. on dust episodes to pin down horizontal transport)<br>
 +
 
 +
* processes
 +
wet deposition of SO4?<br>
 +
??
 +
 
 +
 
 +
===Contact persons/experts===
 +
provide vertical profile LIDAR data: Rich Ferrare<br>
 +
CALIPSO: Dave Winker<br>
 +
MISR: Ralph Kahn <br>
 +
Access to AeroCom data base: Christiane Textor<br>
 +
Dust questions: Paul Ginoux<br>

Revision as of 17:54, 11 July 2007

AeroCom wiki discussion entry

Go back to AeroCom/Working group structure

See also summary of AeroCom/Recommendations

Contents

AeroCom working group Vertical profiles, transport and removal

Participants

Christiane Textor, Paul Ginoux, Rich Ferrare, Ralph Kahn, Oyvind Seeland, Philippe Stier,Dave Winker (&CALIPSO science team), Xhiahong Liu, Dorothy Koch, Trond Iverson, Graham Mann, Steve Ghan, Mian Chin, Hiuisheng Bian (GMI), Michael Schulz
more?

Goals

  • Understanding of model diversity in spatial distribution and in removal processes
  • Evaluate simulated spatial distribution and processes with observations
  • Establish/quantify an acceptable diversity in global aerosol simulations
  • Find methods to evaluate process parameterisations
  • Define dedicated diagnostics of model results
  • Elaborate recommendations
  • Collect data for model evaluation (vertical profiles&processes) including uncertainty
  • This working group has a special focus on dust.


Specific scientific questions

  • How realistic are the simulated (vertical and horizontal) spatial aerosol distributions?
  • How to validate aerosol processes?
  • Is the diversity of simulated vertical dispersal caused by differences in transport or by removal processes?
  • How much complexity of aerosol models is necessary?
  • more


Processes and possible Diagnostics

Document model parameterisations
Assemble observed vertical profiles to evaluate models
PBL vs. Troposphere, look at mesoscale models
Exchange modules (use in the same GCM, link to GMI)


Short-term actions/experiments

Compare AeroCom data to observations
Redo simulation for 2003 with specific diagnostics
Passive tracer experiment (HTAP CO-experiments)
Validate model results with observed vertical LIDAR profiles: Rich and Christiane
Ensure a link to the scavenging workshop planned by NCAR and NASA (P. Rash and J. Rodriguez).

The first months of Calipso data should be a primary goal for a joint experiment. July-August 2006. Emissions from biomass burning should be up to date. Charles Ichoku proposed to prepare an emission dataset based on radiative power energy and MODIS fire spots. Guido van der Werf is investigating the burnt area product readiness.

Data to look at

  • vertical distribution

ground-based networks: lidar backscatter (corrected), extinction ARM MPLNET EARLINET
satellites: GLASS, MISR?, CALIPSO aircraft campaigns

  • horizontal distribution

station data (surf conc) networks
satellite data (e.g. on dust episodes to pin down horizontal transport)

  • processes

wet deposition of SO4?
??


Contact persons/experts

provide vertical profile LIDAR data: Rich Ferrare
CALIPSO: Dave Winker
MISR: Ralph Kahn
Access to AeroCom data base: Christiane Textor
Dust questions: Paul Ginoux

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