Aerocom organisation
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AeroCom organisation. Core team : Christiane Textor, Sarah Guibert, Stefan Kinne, Joyce Penner, Michael Schulz, Frank Dentener (LSCE-MPIM-JRC-UMI) Initial questionary Oct 2002 to define output four intensive workshops since 2003 (Paris, Ispra, New York, Oslo, each 40 participants)

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Aerocom organisation

AeroCom organisation

Core team : Christiane Textor, Sarah Guibert, Stefan Kinne,

Joyce Penner, Michael Schulz, Frank Dentener (LSCE-MPIM-JRC-UMI)

Initial questionary Oct 2002 to define output four intensive workshops since 2003 (Paris, Ispra, New York, Oslo, each 40 participants)

Open call for model participation ( -> ca 20 models ), 3 experiments (original model + emissions 2000 + 1750)

Central model output database (~2TB) at LSCE and public web interface to image catalogues, joint papers

Funding through: EU projects PHOENICS and CREATE, NASA for indirect effect study, institutes themself,

ACCENT+European science foundation


Aerocom organisation

WEBSITE

AeroCom Workup Structure

Protocol

NCDUMP

NCO/ncregrid

netCDF

FTP

submission

Model simulation

Model diagnostics

CheckFormat

ReformatRegrid

feedback

Storage

email

cp

Model description

excel

Intercomparison Database

RAID server

Access

feedback

idl

idl

Scientific papers

Visualisation

Analysisstorage

Analysis

idl

WWW access

Image database

Observational Database

png

divers

Perl/javascript


Aerocom organisation

WWW access

Image database

png

Perl/javascript

http://nansen.ipsl.jussieu.fr/AEROCOM/data.html


Aerocom organisation

WWW access

Image database

png

Perl/javascript

Why we should cooperate:

AeroCom tools exported to other projects

(Harmonised structure Interface to image database

AEROCOM interfaces

AEROCOM comparison to data interfaces

INCA chemical weather forecast

RETRO40 year simulation visualisation

ACCENT Emission database visualisation


Aerocom organisation

How can we cooperate?

Intercomparisons –a communication problem

Interface toAnalysis tools

Interface tocheck tools

ImageDatabase

Model DataDatabase(Distributed DODS?)

Interface toWeb

IntermediateAnalysis resultsDatabase

Meta Databasemysql

Interface tomodel

Interface toInteractive analysistools

FEEDBACK to Analyst/Observer

FEEDBACK to modeller


Aerocom organisation

How fuzzy should the interface definition be?

Illustration of communication success

between model output and analysis

Model output

Metadata base

Results database

Image database

Analysis works

AnalysisVisualisationReformattingRegridding

Interactive analysis

CheckingMetadatabase

WEB

Model

output

not used

Analysisfunctionsnot used

Foreseenadaptation

fromanalysistools

Perfectfunctioning

Foreseenadaptationbutuseless

AdaptationfromModel side

Analysisdoes not work


Aerocom organisation

  • Proposal for cooperation

  • « Atmospheric Tracer Model Intercomparison Tools Initiative »

  • Goals

  • General Goals

  • Accelerate Analysis of Models and Feedback to model participants

  • Develop jointly intercomparison tools through transformation, integration, adaptation and development of tools

  • Allow participants to join more easily into the analysis of an intercomparison

  • Specific Objectives to which the Network should contribute

  • for any intercomparison

  • Model documentation

  • Model quality control

  • Model comparison

  • Model benchmarking

  • Model improvement

  • Scientific understanding


Aerocom organisation

Proposal part II

« Atmospheric Tracer Model Intercomparison Tools Initiative »

Procedure

In the first place tutorial institutions are identified, which provide

general support for the planning and implementation of the initiative

(JRC, LSCE/IPSL + ??)

A steering committee is put into place to develop the initiative and report to the tutorial institutions.

A work plan is elaborated until early summer 2006 to structure and prioritisethe actions to be undertaken.

A pilot project is the support of the planned 1st phase of the intercomparison under the HTAP convention, by reusing and integrating tools prepared for EuroDelta,

ACCENT and AeroCom.

Present the initiative at forthcoming meetings (eg AeroCom 17-19 Octobre HTAP workshops etc) and promote its existence through publication (IGAC newsletter? +?)


Aerocom organisation

  • Proposal part III

  • « Atmospheric Tracer Model Intercomparison Tools Initiative »

  • Workplan components:

  • The Workplan aims to identify a detailed implementation plan

  • On What steps are taken, Who is doing them, and When they are ready.

  • Identify the formatting standards needed > units, CF or less strict??

  • Identify standard names for specific tracer variables > report to CF

  • Identify the standard interface specifications between any of the tools and any of the data bases (see slide 5)so that different tools can call and adress each databases

  • To develop a standard protocol form to be used for differentintercomparisons and subparts of them ( reference+compliance w check tools)

  • Define standards for file names and image names for databases

  • Develop compliance test tools to test whether data and toolsfulfill the standards set under 1-5

  • Implement a pilot database based on automod for testingof different existing tools(AeroCom catalogues etc)


Aerocom organisation

Proposal part IV

« Atmospheric Tracer Model Intercomparison Tools Initiative »

Workplan components (continued):

  • Build a web based repository for users to find toolsto prepare CF compliant model output (fortran routines) to rename and reformat files (nco examples)to do specific diagnostics (region budgets, aerosol size fractions etc)to do regridding compliant to the standardsto handle/replace/identify missing data

  • To develop check tools for physical meaning of data(budgets, units, order of magnitude, ocean/land contrast)

  • Develop observational data comparison tools which interface to the model data as defined under 1-4

  • Develop tools to develop higher order analysis results (ensemble averages, spatial correlation)

  • Documentation tool for keeping track of model version characteristics


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