synthesis of work on budget of water vapor and trace gases in amazonia transport and impacts of...
DESCRIPTION
Transports in the Planetary Boundary Layer Surface emission, deposition, absorption Horizontal advection Atmospheric vertical advection Transports by clouds storageTRANSCRIPT
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Synthesis of work on Budget of Water Vapor and Trace
gases in Amazonia
Transport and Impacts of Moisture, Aerosols and Trace Gases into and out
of the Amazon Region
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Budgets
COCO2
CH4
Aerosol Water vapor
... BARCA will also focus on those...
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Transports in the Planetary Boundary Layer
Surface emission, deposition, absorption
Horizontal advection
Atmospheric vertical advection
Transports by clouds
storage
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Trace Gas and Aerosol Budgets
• Status– 2002 RACC and SMOCC campaigns done
but
• New features:– Plume rise super parameterization (3 cloud types)– Aerosol deposition
• Finish by April 2005
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Convective Transport of COConvective Transport of CO 24-25 Sep 2002 24-25 Sep 2002
GOES Precipitation4 km resolution
Conv
+
Reso
lved
Co
nv
+ Re
solv
ed
Prec
ipita
tion
Prec
ipita
tion
40 k
m re
solu
tion
40 k
m re
solu
tion
mmmm
Freitas, Longo et al... 2005
CATT-BRAMSCATT-BRAMS
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Convective Transport of COConvective Transport of CO21Z 24 Sep 200221Z 24 Sep 2002
Vertical section at lat 10SVertical section at lat 10S
vertical vertical levellevel 11.5 km 11.5 km
CO (ppb)CO (ppb)
Freitas, Longo et al... 2005
CATT-BRAMSCATT-BRAMS
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Plume of CO (ppb)Plume of CO (ppb)1100 m sigma-z1100 m sigma-z
00Z 27 Aug 200200Z 27 Aug 2002
40 km grid resolution40 km grid resolution
200 km grid resolution200 km grid resolutionSouth America and AfricaSouth America and Africa
CATT-BRAMSCATT-BRAMS
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Heat and Water Budget:need new LBA regional
reanalysis
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850 mb Anomaly Moisture Flux
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Vertical Cross section of Vertical Cross section of Meridional Moisture FluxMeridional Moisture Flux
15 deg S
And
es
And
es
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17th SSC Recomendation #6• The SSC recommends that a daily climatology data set
(gridded reanalysis) for the Amazon region should be organized by LBA specialists in the meteorology of South America, expressly for the purpose of input to land surface simulation models over the period starting in 2000 to the present (minus ca. 6 months). Required daily variables include mean, minimum and maximum air surface temperature, precipitation amount, mean solar radiation flux (downward shortwave), mean relative humidity, mean wind speed. The spatial resolution of the data set should be the highest possible under current observational and computational constraints.
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Regional Reanalysis 2000/2004
Settings:- Regional Physical Statisttical Assimilation Systema RPSAS, v. 2003;
- Regional ETA model, 40 km, 38 levels, - Boundary conditions from Global NCEP (6 hrs) , weekly SST
Products:- Reanalysis of state variables (lat, lon, p, T, RU, u,v,w) 40km, 19 levels every 6 hr.
- 3 hourly outputs, up to 36 hours for 00Z e 12Z and up tp 12 hours for 06Z and 18Z;
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Regional Reanalysis 2000/2004
Storage- Analysis : 135 Gb;- Boundary conditions : 155 Gb;- Regional reanalysis (post-processed) : 110 Gb / year = 550 Gb (2000-2004);
- Observations : 78 Gb (Source GMAO/NASA: GTS, ATOVS, QuikScat, TPW)
- Linux Server: Pentium IV dual core 3.2 GHz, 1 Gb Ram, 1Tb de disco ;
- Supercomputer NEC SX6: 10 proc. , 20 Gb RAM- CPTEC Data Assimilation Group (Aravéquia and Herdies plus 5 technicians)
- Processing time :- 17 minutes / Analysis - 10 minutes / Forecast (36hrs)
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Regional Reanalysis 2000/2004
Status:- Running for 2000, 2001, 2002, 2003 e 2004:
Work schedulePeriod 2000 2001 2002 2003 2004
Start processing 07/set 12/jun 22/jul 05/apr 02/dec
Aprox. date for finishing
25/nov/05 02/dec/05 30/nov/05 10/dec/05 14/nov/05
Procedure:- Separate periods of 1 year each- 1 month redundancy for continuity
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Observation Status:
- Assimilating between 2500 and 7500 obs/observ. time Upper Air Data: radiosson
and satellite
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Regional Reanalysis 2000/2004
• Version 1 – operational data• Version 2 – add experimental data