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A.Will (BTU Cottbus) and the CLM-Community Community Activities and Plans A.Will (BTU Cottbus) and the CLM-Community.

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Presentation on theme: "A.Will (BTU Cottbus) and the CLM-Community Community Activities and Plans A.Will (BTU Cottbus) and the CLM-Community."— Presentation transcript:

1 A.Will (BTU Cottbus) and the CLM-Community Community Activities and Plans A.Will (BTU Cottbus) and the CLM-Community

2 Intended use of the Climate mode  Simulation of climate change in different regions of the world.  Quantification and reduction of ucertainties of climate change (IPCC 2001/2006) Relevance for GCMs Analysis of the relevance of nonhydrostatic effects local phenomena and of microphysics for climate dynamics. Relevance for NWP detection of model deficiencies not visible on small time scales Independent evaluation without influence of initial conditions and data assimilation GCM RCM WPM

3 Developed by the CLM-Community in cooperation with the German weather service Regional Climate Model InstitutionContactNon-HydroNWP+RCMCLM CLM-Com., BTU A.WillYesYes REMO=EM+ECHAMMPIfMD.JacobNoNo RegCMISPRAF.GiorgiNoNo CNRM-RM4CNRMM.DequeYes(2)Yes,(1) (ARPEGE Climate) CNRMM.DequeNoNo HIRHAM=HIRLAM+ECHAM AWI Potsdam A.RinkeNoYes,(1) HIRHAM=HIRLAM+ECHAMDMI JH+OB Christensen NoYes,(1) RACMO (HIRLAM+IFS) KNMIE.MeijgaardNoYes,(1) RCAO=RCA(HIRLAM)+RCO Rossby Center M.RummukainenNoYes,(1) HadRM3Hadley/UKMO R.Taylor / R.Jones NoNo CHRM (HRM + EM) ETHZD.LuethiNoNo MM5IMK-IFUH.KunstmannNoNo WRF2 WRF-Com., PNL R.LeungYes(2)Yes RAMS Atmet comp. R.Pielke / Cotton Yes(2)No CRCMCCCma Laprise / G.Boer YesNo RSMECPC J. Roads NoNo NHM MRI, Yespan M.YoshizakiYesNo (1) different model versions for NWP and RCM (2) Climate mode not overall tested.

4 COSMO Operational Weather Forecast Meteorol. Centre Dublin Wind Climatology High Resolution Sim. in Irland IAC-ETH, Land-Atm. Land-Atmosphäre-Interaction, CLM-CLM Vegetation, climate change new in 2007 9.2006: 41 Members 9.2007: 55 Members 9.2006: 41 Members 9.2007: 55 Members COSMO Operational Weather Forecast Meteorol. Centre Dublin Wind Climatology High Resolution Sim. in Irland IAC-ETH, Land-Atm. Land-Atmosphäre-Interaction, CLM-CLM Vegetation, climate change new in 2007 UCL, ASTR, Belgium Clouds and Contrails Impact of Aviation in Europe JRC Ispra Land-Atmosphere, Transferability in Europe Climate Data, Model Interc.

5 Developed by the CLM-Community in cooperation with the German weather service  Aims of the CLM Community Further development of the COSMO-CLM to be a regional earth system model Quantification and Reduction of Model Uncertainties Efficient Use of Computational Ressources Preparation and Conduction of Consortial Scenario Runs

6 CLM Model system Features of int2lm_2 Preprocessor Main Projects in the last year PrEProcessor (PEP) for External Fields(  ) Unified Preprocessor int2lm2(  ) Veg3D fully coupled with COSMO-CLM_4  Basic Sensitivity Studies (  ) Consortial runs successfully finished   Coupling with Com. Land Model (CLM)  Improvements of TERRA_ML  Aerosol-Cloud Interaction  Standard Postprocessor Developed by the CLM-Community in cooperation with the German weather service

7 Developed by the CLM-Community in cooperation with the German weather service PrEProcessor (PEP) for external fields

8 Developed by the CLM-Community in cooperation with the German weather service PrEProcessor (PEP) for external fields

9 Developed by the CLM-Community in cooperation with the German weather service int2clm +int2lm Int2lm2 Interpolation to LM/CLM grid

10 1. Implementation of soil-vegetation model VEG3D Cathérine Meißner and Gerd Schädler, University / Research Center Karlsruhe VEG3D is fully coupled with CLM version 4.0 and is being evaluated Main differences between TERRA_LM and VEG3D:  Standard soil model of CLM (TERRA_LM) uses the surface temperature for transpiration calculation VEG3D has an explicit vegetation layer (“big leaf concept”) and simulates a vegetation temperature  Runoff from soil layers is organized differently in both models  Different formulation of water transport in soil and snow treatment Additional parameters:  Land use => taken from the PEP  Soil parameters => additional file in CLM code First results:  Annual evapotranspiration sum more homogenous in VEG3D which agrees better with measurements (figures)  Influence on annual preciptation in the range of 100 – 200 mm OBSERVATIONS TERRA_MLVeg3D mm Developed by the CLM-Community in cooperation with the German weather service

11 BSS: Small Disturbance of Boundary Conditions Once in a Month Developed by the CLM-Community in cooperation with the German weather service DIFF:TOT_PREC, STD DIFF: T_2m, STD 7.1981JJA 1981 19811979-1981 slope:-0.46 slope:-0.4 TOT_PREC

12 WL-Ref: yearly average QSQS QLQL HE BSS: TERRA_ML Sensitivity (Alexander Block) Developed by the CLM-Community in cooperation with the German weather service

13 Configuration 256x271x32 Gridpoints Δx = Δy = 0.165 deg ECHAM5 bound. cond. CLM3.0 +int2lm1 Model runs: C20_1 1960-2000 C20_2 1960-2000 C20_3 1960-2000 A1B_1 2001-2100 A1B_2 2001-2100 B1_1 2001-2100 B1_2 2001-2100 and CLM050 1979-2000 with ERA40 BC Consortial Runs with CLM Developed by the CLM-Community in cooperation with the German weather service Presentation of Results: HH 7 Dec. 2007

14 Developed by the CLM-Community in cooperation with the German weather service

15 Developed by the CLM-Community in cooperation with the German weather service Applications Quality Control consortial runs Regions: level 1

16 Regions: level 2 Developed by the CLM-Community in cooperation with the German weather service Applications Quality Control consortial runs

17 Regions: level 3 Developed by the CLM-Community in cooperation with the German weather service Applications Quality Control consortial runs

18 Com1: Quantification of Model Uncertainties Precipitation, climate mean 79-98 Developed by the CLM-Community in cooperation with the German weather service

19 Com1: TOT_PREC, CLM3-GPCC Developed by the CLM-Community in cooperation with the German weather service [mm] 0 0 00 0 0 Applications Climatological Evaluation of CLM, 79-93 Model Evaluation

20 Com1: TOT_PREC, CLM3-DWD Developed by the CLM-Community in cooperation with the German weather service Applications Climatological Evaluation of CLM, 79-93 Model Evaluation

21 Com1: T_2m, CLM-CRU Developed by the CLM-Community in cooperation with the German weather service

22 Com1: T_2m CLM-CRU005 JanuaryJuly Developed by the CLM-Community in cooperation with the German weather service

23 Com1: T_2m CLM3-DWD Developed by the CLM-Community in cooperation with the German weather service Applications Climatological Evaluation of CLM, 79-93 Model Evaluation

24 Com2: C20_1 – Observations,61-90 TOT_PRECT_2m Developed by the CLM-Community in cooperation with the German weather service ApplicationsQuality Controlconsortial runs

25 Com3: A1B_1 (2031-2060) - C20_1 (1961-1990) TOT_PRECT_2m Developed by the CLM-Community in cooperation with the German weather service Applications Quality Controlconsortial runs

26 Com3: A1B_1 (2031-2060) – C20_1 (1961-1990) TOT_PREC 14 710 Developed by the CLM-Community in cooperation with the German weather service

27 Developed by the CLM-Community in cooperation with the German weather service Com3: A1B_1 (2031- 2060) – C20_1 (1961- 1990) T_2m 14 710

28 Ongoing Activities in Modelling Developed by the CLM-Community in cooperation with the German weather service 1.Implementation of soil-vegetation model VEG3D, Cathérine Meißner and Gerd Schädler, IMK-TRO Karlsruhe 2. Coupling of the soil-vegetation Community Land Model (CLM), Reto Stöckli and Sonia Seneviratne, ETH The documentation of the Community Land Model can be found on the homepage http://www.cgd.ucar.edu/tss/clm/http://www.cgd.ucar.edu/tss/clm/. The model is used in the Community Climate System Model (CCSM). 3. 1. Aerosol-Cloud coupling and Atmospheric Chemistry, S.Metzger (MPIfC Mainz) 3. 2. Fast atmospheric chemistry solvers E.Schaller (BTU Cottbus) 4. Implementation of the dynamical NEMO ocean model for the mediterranean H.Hübener, U.Ulbrich (FU Berlin), S.Legutke und I.Fast (Model and Data, Hamburg), A.Will (BTU Cottbus) 5. Publication of a special issue CLM in Meteorologische Zeitschrift in 4.2008

29 The CLM-Community is interested to cooperate with the COSMO members Suggestions: Developed by the CLM-Community in cooperation with the German weather service  joint model verification/evaluation in RCM and in NWP mode in different regions in Europe  climatological data on a regular grid  Links between the web-pages, similar structure  Invitation of one member of COSMO to workshops thank you – εφχαρίστο ! www.clm-community.eu

30 Community Land Model http://www.cgd.ucar.edu/tss/clm/ community model used in Community Climate System Model (CCSM) Modules: Biogeophysics River routing Carbon cycle (plant physiology) Vegetation dynamics C/N model (nutrients) Dust, VOCs 2. Coupling of Climate Local Model and Community Land Model Reto Stöckli, Sonia Seneviratne, ETH Zurich

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