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.

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Presentation transcript:

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

Budgets CO CO 2 CH 4 Aerosol Water vapor... BARCA will also focus on those...

Transports in the Planetary Boundary Layer Surface emission, deposition, absorption Horizontal advection Atmospheric vertical advection Transports by clouds storage

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

Convective Transport of CO Sep 2002 GOES Precipitation 4 km resolution Conv + Resolved Precipitation 40 km resolution mm Freitas, Longo et al CATT-BRAMS

Convective Transport of CO 21Z 24 Sep 2002 Vertical section at lat 10S vertical vertical level level 11.5 km 11.5 km CO (ppb) Freitas, Longo et al CATT-BRAMS

Plume of CO (ppb) 1100 m sigma-z 00Z 27 Aug 2002 Plume of CO (ppb) 1100 m sigma-z 00Z 27 Aug km grid resolution 200 km grid resolution South America and Africa CATT-BRAMS

Heat and Water Budget: need new LBA regional reanalysis

850 mb Anomaly Moisture Flux

Vertical Cross section of Meridional Moisture Flux 15 deg S Andes

17 th 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.

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;

Regional Reanalysis 2000/2004 Storage -Analysis : 135 Gb; -Boundary conditions : 155 Gb; -Regional reanalysis (post-processed) : 110 Gb / year = 550 Gb ( ); -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)

Regional Reanalysis 2000/2004 Status: -Running for 2000, 2001, 2002, 2003 e 2004: Work schedule Period Start processing 07/set12/jun22/jul05/apr02/dec Aprox. date for finishing 25/nov/0502/dec/0530/nov/0510/dec/0514/nov/05 Procedure: -Separate periods of 1 year each -1 month redundancy for continuity

Observation Status: -Assimilating between 2500 and 7500 obs/observ. time Upper Air Data: radiosson and satellite

Regional Reanalysis 2000/2004 Version 1 – operational data Version 2 – add experimental data