Transcript COSMOS Community Earth System Models and its regional pilot study BALTEX

COSMOS
Community Earth System Models
and its
regional pilot study BALTEX
Daniela Jacob
Outline
• Motivation
• COSMOS
• Baltex as a pilot study
Motivation
During the 16th Baltex Science Steering Group meeting
the idea was born to implement Baltex as a
pilot study of COSMOS
Outline
• Motivation
• COSMOS
Rational, Initiative, Structure, Science
• Baltex as a pilot study
Rationale (1)
 Time has come to integrate different model
components into a Earth System Modeling framework
 This Community Earth System Model is a tool to
integrate knowledge and to address cross-cutting
issues, including the interactions between the
physical climate system and biogeochemical cycles.
Rationale (3)
 COSMOS benefits from experience developed by
different modeling groups in Germany and abroad
 It is a community initiative, and involves top-of-the-
line model components
 It requires substantial computer resources
 It should be designed flexible, portable and user-
friendly, and is a joint venture between scientists and
software engineers
Rationale (3)
 It is designed to address global as well as regional
issues
 It should receive an international recognition, and be
comparable to similar initiatives developed in other
European countries, the US and Japan.
 It should contribute to European research efforts
ECHAM5, REMO, ATHAM, LES
LPJ
BETHY
SICOPOLIS
MPI-OM1
LSG
HAMMOC
SDIAM
SDEM
GWEM
MOZART, CHEM, CTM, SAM, HAM
The Initiative
COSMOS will be developed through
human and financial resources provided by
the partnership [Max Planck Institutes of Hamburg
(Project Leader), Jena and Mainz, and PIK],
with an equally important participation of other groups
and institutions.
Management Structure
1. Steering Committee
2. Scientific Advisory Group
3. Project management
4. Working groups
Supervising Board
Scientific Advisory Board
Project Management
Working Groups
Management Structure
Steering Committee
Oversees the evolution of the project, provides resources, and
decides on the external co-operation with other institutions.
Scientific Advisory Group
Advises the project by main responsible scientists of the
contributing institutions and external, independent advisors.
Project management
Responsible for the planning of the total development
process, the synthesis of the COSMOS development, and the
scientific evaluation of the model.
Working groups
co-chaired by 2 scientists
The Working Groups
(March 2004)
Integration and Project Leadership
M. Giorgetta (MPI-M, Hamburg), D. Jacob (MPI-M, Hamburg)
Atmosphere: Physics and Dynamics
E. Manzini (INGV, Bologna, Italy) , E. Roeckner (MPI-M, Hamburg)
Atmosphere: Chemistry
J. Damski (FMI, Helsinki, Finland) , B. Steil (MPI-Chemie, Mainz)
Atmosphere: Aerosols
J. Feichter (MPI-M, Hamburg), R. Sausen (DLR, Oberpfaffenhofen)
Ocean: Physics and Dynamics
J. Haapala (FIMR), U. Mikolajewicz (MPI-M, Hamburg)
Ocean: Biogeochemistry
C. LeQuere (MPI-BGC, Jena), E. Maier-Reimer (MPI-M, Hamburg)
Land: Vegetation and Hydrology
L. Ganzeveld (MPI-M, Mainz), S. Hagemann (MPI-M, Hamburg)
W. Knorr (MPI-BGC, Jena)
Data and Model Validation
E. Schaller (U. Cottbus), U. Ulbrich (U. Köln)
Data Assimilation
H. Elbern (U. Köln), M. Heimann (MPI-BGC, Jena)
Regional model system
E. Kjellström (SMHI), D. Jacob
Meetings
 2 meetings of the boards as well as the community
 Several working group meetings
 Workshop on data and model validation
Prototype Experiment Nr.1
1000 year transient climate experiment
Leading Scientist:
E. Roeckner
Co-laborators:
R. Sausen / M. Dameris, M. Schulz, S. Yang, B. Steil, U.
Mikolajewicz, K. Schnitzler, U. Ulbrich, C. Heinze, S. Gualdi, P.
Ruti, M. Wild
Prototype Experiment Nr.2
Regional patterns of climate change
Leading Scientist:
D. Jacob
Co-laborators:
W. May, E. Schaller, E. Kjellstrom, U. Ulbrich, M. Botzet, M.
Wild
Important and urgent topics
defined on the 2nd Annual Meeting, Lüneburg, March 2004
 Reconstruction of the past 50 years/ IPCC scenarios/ evaluation
of COSMOS1
 What additional consequences come up by the coupling of
everything ?
 Regional modelling: hydrological cycle/extreme events
(experiment will be designed)
 Coupling of nitrogen and carbon cycle: What is the effect of
nitrogen on the carbon cycle?
 Polar carbon release: What are the consequences of high
latitude methane release in a warming world?
 The abiotic world: How would it look like?
COSMOS 1
•
•
•
•
•
•
•
•
atmospheric dynamics and physics (ECHAM5)
aerosols (HAM/M7)
atmospheric chemistry (MECCA)
land vegetation (JSBACH)
land atmosphere exchange (XTSURF)
hydrology, lateral/vertical (HD/multi layer)
ocean/ice (MPI-OM/embedded)
ocean biogeochemistry (HAMOCC + Dyn. Green Ocean
Model)
• coupler (OASIS3)
Regional components not jet fully defined
Co-operation agreements
• The development and verification process will involve
several partners.
• Co-operation agreements shall specify the mutual
obligations of the individual partners within the
development and verification of COSMOS.
Guiding Principles
• The models developed in the partnership will be
made available to the Scientific Community, once
these models are sufficiently evaluated by the model
developers.
• Working groups will be responsible for the
development, integration and evaluation of the
codes.
• Working groups will be open to scientists who would
like to contribute to the development or use of the
model.
Guiding Principles
• The integration of the model components will be
performed at the Max Planck Institute for
Meteorology in close cooperation with the other
partners
• The model will be documented and distributed
through a web system maintained by the Max Planck
Institute for Meteorology.
Guiding Principles
A community meeting will be organized every year
(1) to review progress in model development,
(2) to plan future development,
(3) to discuss scientific questions to be addressed
by the model system.
Next Annual Meeting
in Lüneburg, Germany
2. – 4. March 2005
http://cosmos.enes.org/
BALTEX and COSMOS
 Will BALTEX be the first regional pilot project (???)
• Baltex grid project (A. Lehmann, D. Jacob)
• Share resources (model data, observations and
expertise) through international collaborations
• Concentrate on Baltex-Bridge period (1999-2004)
• Use coupled modelling systems RCAO and
BALTIMOS
The Baltex Grid
Examples of potential collaborations
 Investigation of air-sea fluxes (compare observations
against model results)
 Local dynamics of a region (provide boundary conditions
for high resolution model)
 Analyses of extreme precipitation events (observations
versus coupled model results9
 Sea ice evolution (improvement of the sea ice models)
Thank you for your attention!