shoichi taguchi/aist acknowledgements hartmut srtorius/bundesamt fur strahlenschutz, germany
DESCRIPTION
Evaluation of transport models using radon concentrations at Freiburg, Schaunisland and Mauna Loa 25,April, 2007, TransCom Purdue Meeting. Shoichi Taguchi/AIST Acknowledgements Hartmut Srtorius/Bundesamt fur Strahlenschutz, Germany - PowerPoint PPT PresentationTRANSCRIPT
EMTechResearch Institute for Environmental Management Technology
Evaluation of transport models using radon concentrations at Freiburg, Schaunisland and Ma
una Loa 25,April, 2007, TransCom Purdue Meeting
Shoichi Taguchi/AISTAcknowledgements
Hartmut Srtorius/Bundesamt fur Strahlenschutz, Germany
Wlodek Zahorowski/Austraian Nuclear Science and Technology Organization
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Contents
• TransCom/Models• Freiburg(FRB) and Schauinsland(SCH)• Planetary boundary layer/Diurnal variations• Mauna Loa (MLO)• Long range transport• Events
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Organization
1 AM2 GFDL 24η 2.5x2 NCEP
2 AM2t GFDL 24η 2.5x2 NCEP
3 CCAM CSIRO 18σ ~220km NCEP
4 CCSR_NIES2 FRCGC 32σ ~1.1x1.1 NCEP
5 NICAM CCSR_FRCGC 54tf ~240km NCEP
6 NIES05 NIES_ESC 47η 1.0x1.0 NCEP
7 PCTM CSU 25η 1.25x1 GEOS
8 PCTM GSFC 25η 2.5x2.0 GEOS
9 STAG AIST 60η 1.125x1.125 ECMWF
10 STAGN AIST 28σ 1.875x1.875 NCEP
11 TM5_eur1x1 SRON 25η 3x2&1x1 ECMWF
12 TM5_glb3x2 ESRL 25η 3x2 ECMWF
Models
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Emissions0.005atom/cm2/sec 60N-70N Land/Ocean
1atom/cm2/sec 60N-60S Land
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SCH/FRB
1.AM22.AM2t3.CCAM4.CCSR5.NICAM6.NIES057.PCTM.CSU8.PCTM.GSFC9.STAG10.STAGN11.TM5_eur1x112.TM5_glb3x2
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Freiburg
• Protocol 276m
• All.xx.nc file is a mixture of surface and upper layer concentrations
• --> Lowest model level from radon.xx file
• O=coefficient of correlation
• +=standard deviations
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FRB_r
1.AM22.AM2t3.CCAM4.CCSR5.NICAM6.NIES057.PCTM.CSU8.PCTM.GSFC9.STAG10.STAGN11.TM5_eur1x112.TM5_glb3x2
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FRB_jan
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Pbl_jan
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FRB_jan_diff
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FRB_p_jan
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Schauinsland
• Protocol 1205m
• 1205m in SCH-B in Chevillard et al., Transport of 222Rn using the regional model REMO: a detailed comparison with measuremnts over Europe, Tellus, 2002.
• 900m in Oliveie, D.J.L. et al., Evaluations oarchived and off-line diagnosed vertical diffusion coefficients from ERA-40 with 222Rn simualtions.Atmos. Chem . Phys. 4. 2313-2336, 2004
• All.xx.file is a mixture of surface and upper level --> interpolation to 1000m from radon.xx file + Z in Model_info file
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SCH_r1000m
1.AM22.AM2t3.CCAM4.CCSR5.NICAM6.NIES057.PCTM.CSU8.PCTM.GSFC9.STAG10.STAGN11.TM5_eur1x112.TM5_glb3x2
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SCH_oct_all
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Pbl_oct
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Sch_oct
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MLOmap
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MLO
• Protocol 3397m
• daily minimum of observed dataZahorowski, et al., Radon-222 in boundary layer and free tr
opospheric continental outflow events at three ACE-Asia sites,Tellus, 57B, 124-140, 2005
• Simulations at levels nearest to 3397m
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MLO_r
1.AM22.AM2t3.CCAM4.CCSR5.NICAM6.NIES057.PCTM.CSU8.PCTM.GSFC9.STAG10.STAGN11.TM5_eur1x112.TM5_glb3x2
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MLO_q
1.AM22.AM2t3.CCAM4.CCSR5.NICAM6.NIES057.PCTM.CSU8.PCTM.GSFC9.STAG10.STAGN11.TM5_eur1x112.TM5_glb3x2
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MLO_Mar
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Tag_area
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Tag_2002_mar
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NICAM2002
March
Z=ModelInfo file
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TM5ESRL2002
March
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Conclusion
FRB ?
SCH TM5_ESRL
MLO NICAM