EMTech Research Institute for Environmental Management Technology Evaluation of transport models...
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Transcript of EMTech Research Institute for Environmental Management Technology Evaluation of transport models...
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
EMTechResearch Institute for Environmental Management Technology
Contents
• TransCom/Models• Freiburg(FRB) and Schauinsland(SCH)• Planetary boundary layer/Diurnal variations• Mauna Loa (MLO)• Long range transport• Events
EMTechResearch Institute for Environmental Management Technology
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
EMTechResearch Institute for Environmental Management Technology
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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
EMTechResearch Institute for Environmental Management Technology
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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
EMTechResearch Institute for Environmental Management Technology
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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
EMTechResearch Institute for Environmental Management Technology
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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
EMTechResearch Institute for Environmental Management Technology
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