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Doing Chemistry with GEOS-5
AVAILABLEGEOS-5
RESOURCES
APPROACHES: “ON-Line” “OFF-Line”
GEOS-5 MODELS ORMODEL COMPONENTS
GEOS-5 GENERATEDDATA PRODUCTS
CHEMICAL PROCESS MODELS
GEOS-5 CHEMISTRY INTERACTIONS
ON-LINE CHEMISTRY APPLICATIONS WITH GEOS-5
RADIATION
MOIST(CONV)
TURBULENCE(DIF)
DYNAMICS(ADV)
CHEM
ATMOSPHERIC SIMULATION
COUPLED CLIMATE/CHEMISTRY
FORECASTING
COUPLED MET/CHEM ANALYSIS
COUPLED MET/CHEM REPLAY
GEOS-5 AGCM
GEOS-5 Data Assimilation Systems
CAP HISTORY
GCM
GCS
AANAAGCM
ANA
OANAOGCM
GSI
OGCMOGCM
OGCMOGCM
OGCMOGCM
OGCMREPLAY REPLAY
EnKF
GEOS-5 DAS StructureGEOS-5 DAS Structure
NCEP Phys
GEOS-5 GCM STRUCTUREGEOS-5 GCM STRUCTURE
CAP
HISTORY
AGCM
GCM
OGCM
AGCM
DYNAMICS
GWDFVCORE
RADIATION
COLUMN PHYSICS
SOLAR
IR
MOISTTURB
SURFACE
LAKE
SALT WATERVEGDYNCATCH
LAND ICELAND
OGCM
MIT-OGCMMOM-4
Poseidon ORAD
Ocean Dynamics
VEGDYN
Held-Suarez
BioGeoChem
OBIO
Thermo Ice
CICE
SEA ICE
P-Chem
AeroChem
STRATGMI
GOCART
G3
G4
New
Dynamical Core:Finite volumeNCAR version
Convection:RAS
Radiation:Chou
Prog Clouds:BacmeisterNew Development
Boundary Layer:Lock 2000
Gravity Waves:NCAR
ESMF /MAPL
GEOS-5
GEOS-4 GEOS-3
Fraction
Opt. D
ep.Cloud Optical Depth in GEOS-5
GEOS-4: high clouds have very low optical depth - hence too little OH production by photolysis (plots from J. Logan compare GEOS-4 to GEOS-3 in July 2003 and 2001)
GEOS-5: July 2006 cloud properties - •Cloud fractions different! •Optical depths larger than GEOS-4
AGCM
AEROCHEM
DYNAMICS
GWDFVCORE
CAPHISTORY
COLUMN PROCESSES
RADIATION
SOLARIR
MOIST
TURBSURFACE
LAKE
SALTWATERVEGDYNCATCH
ICELAND
OGCM
GOCART GMI
GSFC StratChem
PchemP & L
DUBC
SSSU
OC
EMISS
CHEM
DEPOs
GEOS-5 ON-Line ChemistryGEOS-5 ON-Line Chemistry
GEOS-Chem ?
GOCART GSFC Strat P & L GMI Combo
Dust
Sea Salt
Sulfates
Carbonaceous
CO & CO2
Ox, O3
CH4
N2O
CFC11, CFC12, CFC22
etc.
Ox, O3
CH4
N2O
CFCs
Aerosols (Michigan)
etc
Ox, O3
CH4
N2O
CFCs
Data Aerosols
Age of Air
AEROCHEM is a container/manager for integrated packages with subcomponents.
At runtime one selects one or more packages to run and in case ofambiguity,which package provides a specific input to radiation.
Each package exposes its constituents to the GCM and requestsspecific “services” for each.
AEROCHEMAEROCHEM
High-resolution chemistry-climate model simulation with GEOS-5
Composition-circulation simulated in a high resolution (2/3° longitude 1/2° latitude) simulation of GEOS-5 with on-line stratospheric chemistry
PV, ozone and chlorine nitrate fields at 70hPa on April 1, near the end of a cold simulated Arctic winter
Coherent filaments are peeled from the edge and interior of the polar vortex
Off-Line CTMs and GEOS-5Off-Line CTMs and GEOS-5
GEOS-5 ANALYSES
(MERRA)
EXTERNAL MET DATA
GEOS-5 SIMULATIONS
(CLIMATE RUNS)
MAP CTMF EXTERNAL CTMOTHER CTMWITH G5 CORES
CTMF
CONSTITUENTS
CAP HISTORY
TPCORES
GOCART GSFC StratChem
PchemP & L
DUBC
SSSU
OC
CONVECTION
ADVECTION
DIFFUSION
MAP CTMFMAP CTMF
EMISS
CHEM
DEPOs
CONVECTIONCONVECTION
ADVECTIONADVECTION
CHEMCHEM
EMISSEMISS
DEPOsDEPOs
GEOSChem ?
MET INGEST
MERRAhttp://gmao.gsfc.nasa.gov/merra/
Michael Bosilovich, Siegfried Schubert & Gi-Kong Kim
MERRA Objectives
Half-Degree by 72L to .01 mb1979-presentParallel AMIP runGSI Analysis with IAU
EMPHASIS ON WATER CYCLE Global Precipitation, Evaporation, Land Hydrology, Cloud parameters and TPW
GLOBAL HEAT AND WATER BUDGETS FOR ALL PROCESSES
DIURNAL CYCLE FROM HOURLY 2-D FIELDS
GEOS-5
The GEOS-5 ADAS Validation: Precipitation
GEOS-5
The GEOS-5 ADAS Validation: Precipitation
IAU Implementation
03Z 06Z 09Z 12Z 18Z15Z 21Z 00Z 03Z
Background (Predictor) States
Analysis Cycle
Initial States for Corrector
Analysis Tendencies for Corrector
Corrector Segment
Assimilated Analyses
MERRA ProductsMERRA Products
6-hourly instantaneous analysis (uvtqo) 1/2 (eta and pressure)
Standard Histories3-D, Pressure levels, 3-hourly, 1.25x1.25x42L2-D, Hourly, Native (1/2 degree) resolution
Chemistry Forcing Reduces Resolution Histories:
1x1.25 Fvgrid3-hourlyNative (72 L) VerticalA-Grid winds
TPCORE forcings:Native (Horz and Vert)C-gridFV transport parametersRAS Convection parametersEdge Diffusivities
SummarySummary
Our objective for chemistry studies with GEOS-5 and the MAP CTM Framework are:
• To support applications in weather, climate, and data assimilation modes, with various of chemistry/aerosol packages.
• To support both “online” or “offline” studies within a single code base, allowing for direct comparison and validation of offline methodology.
• To provide forcing from GMAO simulations and analyses tailored to CTMF applications.
• To support external “Met” forcing and Chem components in CTMF