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BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena BARCA CH 4 data analysis Flight 3 (17/06/2009) during BARCA Phase B in the wet season covering wetland.

Published byMarjorie Lloyd Modified over 8 years ago

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Presentation on theme: "BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena BARCA CH 4 data analysis Flight 3 (17/06/2009) during BARCA Phase B in the wet season covering wetland."— Presentation transcript:

1 BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena BARCA CH 4 data analysis Flight 3 (17/06/2009) during BARCA Phase B in the wet season covering wetland area of Rio Negro and Rio Solimões

2 BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena BARCA CH 4 data analysis Phase A: only CH 4 flask measurements are available; selected flasks have been sent to Utrecht (Thomas Röckmann) for an isotope analysis Phase B : insitu and flask measurements – flasks are currently being analyzed and selected flasks might also be sent to Utrecht then for an isotope analysis Comparison of CH 4 data to global model output (TM5, TM3, etc.) Comparison to regional model output (WRF-chem+VPRM-CH4, STILT)

3 BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena Weather Research and Forecast Model  Transport of CO 2, CH 4 and CO Stochastic Time Inverted Lagrangian Transport Model  Determination of CH 4 sources and sinks WRF-chemSTILT WRF met fields ECMWF Data Modeling plans for BARCA Phase A and B Running WRF with a new module greenhouse gases (chem_opt=98, includes VPRM, wetland-model,plumerise,etc.) for BARCA Phase A and Phase B for CH 4, CO 2 and CO STILT runs for CH 4 driven by either WRF meteorological fields or ECMWF data

4 BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena WRF Validation Participation in evaluation and testing of the WRF set-up for the Amazon region (mostly done at INPE) 1.Precipitation/Convection Evaluation of WRF precipitation output against TRMM and GPCP data 2.Radiation Aeronet data available for 2002 (six stations) and 2008/2009 (only Alta Floresta and Rio Branco) Validation of WRF Amazon setup (lw 1 & sw 2 options) against Aeronet data for BARCA Phase A and Phase B  also interesting for use of VPRM Solar radiation Rio Branco May 2009

5 BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena WRF runs Tagged tracer WRF runs for BARCA Phase A and Phase B for CH 4, CO 2 and CO to scale different sources in comparison with the observatios Subroutines for VPRM, wetland model (Kaplan wetland inventory) and termites are combined under the new module_greenhouse_gases (chem_opt=98) which also uses the plumrise mechanism  VPRM parameters & preprocessing Until global fields of CH 4, CO 2 and CO are available for 2008 and 2009, 5°x5° fields interpolated from NOAA surface stations are used for initial and boundary conditions Could somebody already provide the NOAA surface station data for May 2009? The WRF biomass burning preprocessor wrf_chem_prep_source was installed in Jena and biomass burning emissions estimates (including the Modis satellite data) can now be provided on WRF and Lat/Lon grid also in netcdf output We would still need the satellite data for May 2009 (WF_ABBA & DSA) EDGAR 4 data are used for anthropogenic sources – CO data? Importance of vegetation CH 4 source and soil uptake CH 4 still has to be discussed

6 BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena WRF CH4 flux maps Termite Wetland 1 Wetland 2 CH4 wetland fluxes 1CH4 wetland fluxes 2

7 BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena STILT runs for BARCA STILT to provide consistent footprint information -> Source region identification Fast forward tagged tracer runs for receptors along flight path -> hypothesis testing for different fluxes Inverse analysis (nested inversion) -> optimal source configuration

8 BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena STILT runs for BARCA Status Domain set up (-35 -85 Lat Lon south-west, 15 -30 Lat Lon north-east) should be identical to VY domain! STILT-ECMWF: ECMWF preprocessing for Phase A and B running STILT-WRF: waiting for WRF fields Coupling to fluxes: Biomass burning fields (C. Wiedenmyer (UCAR)) available as ncdf EDGAR V4 and others used in WRF-chem need preprocessing to cartesian grid VPRM parameters and fields -> VY domain?

9 BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena STILT runs for BARCA Status Comparison CO Biomass burning emissions

10 BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena STILT runs for BARCA Status Comparison CO Biomass burning emissions

11 BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena STILT runs for BARCA Status Comparison CO Biomass burning emissions

12 BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena O 2 /N 2 from BARCA flasks BARCA A: 145 flasks sucessfully anaylzed for O 2 /N 2 ArN 2 values used for correction of fractionation: O 2 /N 2(corr) = O 2 /N 2 –  (ArN 2 -mean(ArN 2 ))

13 BARCA Telecon 04-12-2009 MPI for Biogeochemistry Jena O 2 /N 2 from BARCA flasks - plans Use STILT to separate contributions to O 2 /CO 2 ratio from different processes Respiration /Photosynthesis  VPRM fields von VY Biomass burning (similar signature)  C. Wiedenmyer Fossil fuel  Julia’s COFFEE dataset for different fossil fuel types, 1x1 degree

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