Difference between revisions of "Developing UKESM"

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== Recent results from GA6.0#136.17 (including GLOMAP-mode) + CheST (StratTrop chemistry) ==
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== Results from VN10.6 GA7.1 + CheST (StratTrop chemistry) +GLOMAP (proto UKESM/ next Release)==
   
 
{| border="1" style="background-color:white"
  
{| border="1" style="background-color:white"
 
|'''Model Run''' || '''Chemistry''' || '''Aerosol-microphys''' || '''Aerosol-optical'''|| '''Owner''' || '''UM version''' ||'''Monsoon job ID''' || '''Met Office ID''' || '''Link to chemistry evaluation''' || '''Link to aerosol evaluation''' || '''Link to Validation Note ''' || '''Comments'''
  
|'''Model Run''' || '''Chemistry''' || '''Aerosol-microphys''' || '''Aerosol-optical'''|| '''Owner''' || '''UM version''' ||'''Monsoon job ID''' || '''Met Office ID''' || '''Link to chemistry evaluation''' || '''Link to aerosol evaluation''' || '''Link to Validation Note ''' || '''Comments'''
 
|-
  
|-
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| ''AMIP'' || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/ Gas-phase RF ON || Mohit Dalvi || 10.6.1 <br/> GA7.1 N96 AMIP || u-aj841 || [https://code.metoffice.gov.uk/trac/UKESM/wiki/ticket/258/TicketDetails u-ai181] / mi-aj670 || {{pdf|ukca_chem_eval_aj670.pdf|ukca_chem_eval_aj670.pdf}} {{pdf|ukca_chem_eval_ac691_aj670.pdf | ukca_chem_eval_ac691_aj670.pdf}} | {{pdf|UKESM_Evaluation_Report_RPope_24032017.pdf|UKESM_Evaluation_Report_RPope_24032017.pdf}} <br/> {{pdf|aj670_tau_ch4.pdf | aj670_tau_ch4_fixed.pdf}} || {{pdf|aero_eval_aj670.pdf|aero_eval_aj670.pdf}} || None at present || Run for 20 years - plots based on 11-20th year means; Lightning emissions halved.
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| 1 || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/Gas-phase RF OFF || Steven Hardiman || 10.2 || N/A || mi-ah813 || {{pdf|ah813.pdf|ah813.pdf}} || None at present || [http://collab.metoffice.gov.uk/twiki/bin/viewfile/Static/StevenHardiman/valid/ai985_v_ah813/table.html ai985 vs ah813] || Run for 20 years - plots based on last 10 years; Biogenic ems prescribed; No trop het chem; Lightning ems 10.7 TgN/yr; CH4 lifetime too short; Strat o3 max reduced and in better agreement with obs; Diagnosed STE flux of O3 clearly wrong.
  
 
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|-
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| ''TS2000'' || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/ Gas-phase RF ON || Mohit Dalvi || 10.6.1 <br/> GA7.1 N96 || u-an038 || [https://code.metoffice.gov.uk/trac/UKESM/wiki/ticket/258/u-am124_Details u-am124] || {{pdf|ukca_chem_eval_aj670_am124.pdf | ukca_chem_eval_aj670_am124.pdf}} <br/> {{pdf|ukca_haloe_o3_scal.pdf | ukca_haloe_o3_scaling}} || -- || None at present || 11-20th year means; GHG and Trace Gas mmrs as per WMOA1+RCP6
⚫
| 2 || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/O3, N2O, CH44 RF ON || Steven Hardiman || 10.2 || N/A || mi-ai985 || {{pdf|ai985.pdf|ai985.pdf}} || None at present || [http://collab.metoffice.gov.uk/twiki/bin/viewfile/Static/StevenHardiman/valid/ai985_v_ah813/table.html ah985 vs ah813] || Run for 20 years - plots based on last 10 years; Biogenic ems prescribed; No trop het chem; [https://code.metoffice.gov.uk/trac/um/browser/main/branches/dev/marcstringer/vn10.2_grgas_addr_fix RF bugfix] included; Lightning ems 10.7 TgN/yr; CH4 lifetime too short; Strat o3 max reduced and in better agreement with obs; Diagnosed STE flux of O3 clearly wrong.
  
 
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| ''TS2000-Nudged'' || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/ Gas-phase RF ON || Mohit Dalvi || 10.6.1 <br/> GA7.1 N96 || u-an113 || [https://code.metoffice.gov.uk/trac/UKESM/wiki/ticket/258/u-am400_Details u-am400] || {{pdf|ukca_chem_eval_am124_am400.pdf | ukca_chem_eval_am124_am400.pdf}} <br> 11-20 vs 21-30 yr {{pdf|ukca_chem_eval_am124_20yr_am124.pdf | ukca_chem_eval_am124_20yr_am124_30yr.pdf}} <br/> {{pdf|am400_tau_ch4.pdf | am400_tau_ch4_fixed.pdf}} || -- || None at present || Plots based on 11-20th year means; Lightning emissions halved.
⚫
| 3 || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/O3, N2O, CH4 RF ON || Steven Hardiman || 10.2 || N/A || Still to be set up || None at present || None at present || None at present || [https://code.metoffice.gov.uk/trac/um/browser/main/branches/dev/marcstringer/vn10.2_grgas_addr_fix RF bugfix] included; Lighnting ems to be halved.
 
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|-
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| ''TS2000-RCP6'' || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/ Gas-phase RF ON || Mohit Dalvi || 10.6.1 <br/> GA7.1 N96 || NA || u-an114 || {{pdf|ukca_chem_eval_am124_an114.pdf | ukca_chem_eval_am124_an114.pdf}} <br/> {{pdf|an114_tau_ch4.pdf | an114_tau_ch4_fixed.pdf}} || -- || None at present || Radiation GHG as per GC3.1 <br/> UKCA Trace Gas mmrs as per WMOA1+RCP6
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|-
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| ''TS2000-Rad+UKCA=RCP6'' || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/ Gas-phase RF ON || Alistair Sellar || 10.6.1 <br/> GA7.1 N96 || NA || u-ao124 || {{pdf|ukca_chem_eval_am124_ao124.pdf | ukca_chem_eval_am124_ao124.pdf}} || -- || None at present || Only difference from u-am124 is <br/> UKCA Trace Gas read from WMO2011+RCP6 file
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|-
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| ''TS2000-RCP6'' <br/> For Next Release Job || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/ Gas-phase RF ON || Mohit Dalvi || 10.8 <br/> GA7.1 N96 || NA || u-ao763 || See [[Developing_releases #2017_StratTrop.2FCheST_.2B_GLOMAP_.28Co-ordinator:_Mohit_Dalvi.2F_Luke_Abraham.29| Developing Releases Table]] || || None at present || Radiation GHG as per GC3.1 <br/> UKCA Trace Gas mmrs as per WMOA1+RCP6
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|-
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| ''PI and PD ERF pair'' || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/ O3 CH4 N2O RF ON/CFCs through radiation panel || Fiona O'Connor || 10.7 <br/> GA7.1 N96 || NA || u-ap664(PI)<br/>/u-ap663(PD) || {{pdf|ukca_chem_eval_ap663_ap664.pdf | ukca_chem_eval_ap663_ap664.pdf}} || || None at present || Radiation GHG as per GC3.1, <br/> UKCA LLGHGs mmrs as per CMIP6, <br/> UKCA chemistry ems as per CMIP5, <br/> UKCA aerosol ems as per CMIP6, <br/>
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|-
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| ''PI - atmos and coupled'' || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/ O3 CH4 N2O RF ON/CFCs through radiation panel || Fiona O'Connor || 10.7 <br/> GA7.1 N96 <br/> vs <br/> UKESM0.9|| NA || u-ap664(atmos-only)<br/>/u-aq399(coupled) || {{pdf|ukca_chem_eval_ap664_aq399.pdf | ukca_chem_eval_ap664_aq399.pdf}} || || None at present || Radiation GHG as per GC3.1, <br/> UKCA LLGHGs mmrs as per CMIP6, <br/> UKCA chemistry ems as per CMIP5, <br/> UKCA aerosol ems as per CMIP6, <br/> Neither simulation includes PSC/NAT fixes
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|-
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|}
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<br/>
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'''Note:''' The ''fixed tau CH4'' files refer to plots re-generated following a bug-fix to the plotting script. The previous plots/bug only considered CH4 burden in the Troposphere while calculating the lifetime.
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<br/>
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  +
== Investigating Low OH, High Methane Lifetime in VN10.5 GA7.0 CheST/StratTrop + GLOMAP simulations ==
  +
  +
{| border="1" style="background-color:white"
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|'''Suite-Id''' || '''Owner''' || '''UM version''' ||'''Branches and Configuration Details''' <br/> (apart from CheST+GLOMAP+RADAER+UKCAGHG) || '''Simulation Length''' || '''Plots''' || '''CH4 lifetime''' years <br/>Whole Atm vs OH <br/>; ACCMIP=9.3 +/− 0.9 || '''Mean OH''' molec/cm3 <br/> ACCMIP = 1.17(+/−0.1)e+06 || '''Comments'''
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|-
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| u-ac253 || FOC || vn10.3 || Lightning NOx 50%, Tropopause height bugfix <br/> ukca_ch2br2mmr=''1.802e-11'', ukca_h2mmr=''3.453e-08'' || 20 year, Plots:11-20yr || {{pdf|ac253_Lawrence_plot.pdf |ac253_OH_Lawrence}}, {{pdf|ac253_tau_ch4.pdf| ac253_ch4_lifetime|}} || 8.63 || 8.98e+05 || Explosive-volc-SO2 emitted, Aero-surf-area=0
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|-
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| u-ad265 || MD || vn10.3 || Lightning NOx 50%, Tropopause height bugfix, Strat-Hetero aer-surf-area fixes <br/> ukca_ch2br2mmr=''1.802e-11'', ukca_h2mmr=''3.453e-08'' || 20 year, Plots:6-10yr || {{pdf|ad265_Lawrence_plot.pdf| ad265_OH_Lawrence|}}, {{pdf|ad265_tau_ch4.pdf| ad265_ch4_lifetime|}} || 9.65 || 8.0e+05 || Expl-volc-SO2 emitted
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|-
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| u-ac961 || FOC || vn10.3 || Lightning NOx 50%, Tropopause height bugfix, ExplVolc_SO2 Off <br/> ukca_ch2br2mmr=''1.802e-11'', ukca_h2mmr=''3.453e-08'' || 20 year, Plots:6-10yr || {{pdf|ac961_Lawrence_plot.pdf| ac961_OH_Lawrence|}}, {{pdf|ac961_tau_ch4.pdf| ac961_ch4_lifetime|}} || 8.8 || 8.8e+05 || Expl-volc-SO2 Off
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|-
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| puma-aa342 || MK || vn10.4 || Lightning NOx 50%, Tropopause height bugfix, Strat-Hetero aer-surf-area fixes, ExplVolc_SO2 Off <br/> ukca_ch2br2mmr=''1.0000e-12'', ukca_h2mmr=''500.0e-09'' || 10 year, Plots:6-10yr || {{pdf|aa342_Lawrence_plot.pdf| aa342_OH_Lawrence|}}, {{pdf|aa342_tau_ch4.pdf| aa342_ch4_lifetime}} || 13.2 || 6.22e+05 || Expl-volc-SO2 Off
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|-
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| u-ae771 || MD || vn10.5 || Lightning NOx 50%, Tropopause height bugfix, Strat-Hetero-psc aero-surf-area fixes, ExplVolc_SO2 Off <br/> ukca_ch2br2mmr=''1.0000e-12'', ukca_h2mmr=''500.0e-09'' || 20 year, Plots:11-20yr || {{pdf|ae771_Lawrence_plot.pdf| ae771_OH_Lawrence|}}, {{pdf|ae771_tau_ch4.pdf| ae771_ch4_lifetime}}, || 14.3 || 5.73e+05 || Expl-volc-SO2 Off {{pdf|ae771_tropchem_eval_11-20yr.pdf| ae771_tropchem_evaluation_all}}
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|-
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| u-af834 || MD || vn10.5 || Lightning NOx 50%, Tropopause height bugfix, Strat-Hetero-psc aero-surf-area fixes, ExplVolc_SO2 Off <br/> ukca_ch2br2mmr=''1.802e-11'', ukca_h2mmr=''3.453e-08'' || 20 year, Plots:11-20yr || {{pdf|af834_Lawrence_plot.pdf| af834_OH_Lawrence|}}, {{pdf|af834_tau_ch4.pdf| af834_ch4_lifetime}} || 9.32 || 8.31e+05 || Expl-volc-SO2 Off {{pdf|af834_tropchem_eval_11-20yr.pdf| af834_tropchem_evaluation_all}}
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|-
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|}
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<br/>
  +
  +
== Recent results from VN10.2 GA6.0#136.17 (including GLOMAP-mode) + CheST (StratTrop chemistry) ==
  +
  +
{| border="1" style="background-color:white"
  +
|'''Model Run''' || '''Chemistry''' || '''Aerosol-microphys''' || '''Aerosol-optical'''|| '''Owner''' || '''UM version''' ||'''Monsoon job ID''' || '''Met Office ID''' || '''Link to chemistry evaluation''' || '''Link to aerosol evaluation''' || '''Link to Validation Note ''' || '''Comments'''
  +
|-
  ⚫
| 1 || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/Gas-phase RF OFF || Steven Hardiman || 10.2 || N/A || mi-ah813 || {{pdf|ah813.pdf|ah813.pdf}} {{pdf|ah813_updated.pdf|ah813_updated.pdf}} || None at present || [http://collab.metoffice.gov.uk/twiki/bin/viewfile/Static/StevenHardiman/valid/ai985_v_ah813/table.html ai985 vs ah813] || Run for 20 years - plots based on last 10 years; Biogenic ems prescribed; No trop het chem; Lightning ems 10.7 TgN/yr; CH4 lifetime too short; Strat o3 max reduced and in better agreement with obs; Diagnosed STE flux of O3 clearly wrong. Updated pdf now includes updated methane lifetime calculation and nh_oh/sh_oh ratio.
  +
|-
  ⚫
| 2 || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/O3, N2O, CH44 RF ON || Steven Hardiman || 10.2 || N/A || mi-ai985 || {{pdf|ai985.pdf|ai985.pdf}} {{pdf|ai985_updated.pdf|ai985_updated.pdf}}|| None at present || [http://collab.metoffice.gov.uk/twiki/bin/viewfile/Static/StevenHardiman/valid/ai985_v_ah813/table.html ai985 vs ah813] || Run for 20 years - plots based on last 10 years; Biogenic ems prescribed; No trop het chem; [https://code.metoffice.gov.uk/trac/um/browser/main/branches/dev/marcstringer/vn10.2_grgas_addr_fix RF bugfix] included; Lightning ems 10.7 TgN/yr; CH4 lifetime too short; Strat o3 max reduced and in better agreement with obs; Diagnosed STE flux of O3 clearly wrong. Updated pdf now includes updated methane lifetime calculation and nh_oh/sh_oh ratio.
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|-
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| 3 || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/O3, N2O, CH4 RF ON || Steven Hardiman || 10.2 || N/A || mi-aj868 || {{pdf|aj868a.pdf|aj868.pdf}} {{pdf|aj868a_updated.pdf|aj868_updated.pdf}}|| None at present || [http://collab.metoffice.gov.uk/twiki/bin/viewfile/Static/StevenHardiman/valid/aj868_v_ai985/table.html aj868 vs ai985] || [https://code.metoffice.gov.uk/trac/um/browser/main/branches/dev/marcstringer/vn10.2_grgas_addr_fix RF bugfix] included; Lightning emissions halved. Updated pdf now includes updated methane lifetime calculation and nh_oh/sh_oh ratio. Methane lifetime now increased.
  +
|-
  ⚫
| 4 || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/O3, N2O, CH4 RF OFF || João Teixeira || 10.2 || N/A || mi-ak384 || {{pdf|ak384.pdf|ak384.pdf}} || None at present || [http://collab.metoffice.gov.uk/twiki/bin/viewfile/Static/JoaoTeixeira/valid/mi-ak384_v_mi-aj868/browser.html ak384 vs aj868] || [https://code.metoffice.gov.uk/trac/um/browser/main/branches/dev/marcstringer/vn10.2_grgas_addr_fix RF bugfix] included; Lightning emissions halved. Updated pdf now includes updated methane lifetime calculation and nh_oh/sh_oh ratio.
 
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Latest revision as of 13:18, 7 November 2017

Results from VN10.6 GA7.1 + CheST (StratTrop chemistry) +GLOMAP (proto UKESM/ next Release)

Model Run Chemistry Aerosol-microphys Aerosol-optical Owner UM version Monsoon job ID Met Office ID Link to chemistry evaluation Link to aerosol evaluation Link to Validation Note Comments
AMIP StratTrop GLOMAP-mode RADAER/ACTIVATE/ Gas-phase RF ON Mohit Dalvi 10.6.1
GA7.1 N96 AMIP		 u-aj841 u-ai181 / mi-aj670 Pdficon small.png ukca_chem_eval_aj670.pdf Info circle.png Pdficon small.png ukca_chem_eval_ac691_aj670.pdf Info circle.png | Pdficon small.png UKESM_Evaluation_Report_RPope_24032017.pdf Info circle.png
Pdficon small.png aj670_tau_ch4_fixed.pdf Info circle.png		 Pdficon small.png aero_eval_aj670.pdf Info circle.png None at present Run for 20 years - plots based on 11-20th year means; Lightning emissions halved.
TS2000 StratTrop GLOMAP-mode RADAER/ACTIVATE/ Gas-phase RF ON Mohit Dalvi 10.6.1
GA7.1 N96		 u-an038 u-am124 Pdficon small.png ukca_chem_eval_aj670_am124.pdf Info circle.png
Pdficon small.png ukca_haloe_o3_scaling Info circle.png		 -- None at present 11-20th year means; GHG and Trace Gas mmrs as per WMOA1+RCP6
TS2000-Nudged StratTrop GLOMAP-mode RADAER/ACTIVATE/ Gas-phase RF ON Mohit Dalvi 10.6.1
GA7.1 N96		 u-an113 u-am400 Pdficon small.png ukca_chem_eval_am124_am400.pdf Info circle.png
11-20 vs 21-30 yr Pdficon small.png ukca_chem_eval_am124_20yr_am124_30yr.pdf Info circle.png
Pdficon small.png am400_tau_ch4_fixed.pdf Info circle.png		 -- None at present Plots based on 11-20th year means; Lightning emissions halved.
TS2000-RCP6 StratTrop GLOMAP-mode RADAER/ACTIVATE/ Gas-phase RF ON Mohit Dalvi 10.6.1
GA7.1 N96		 NA u-an114 Pdficon small.png ukca_chem_eval_am124_an114.pdf Info circle.png
Pdficon small.png an114_tau_ch4_fixed.pdf Info circle.png		 -- None at present Radiation GHG as per GC3.1
UKCA Trace Gas mmrs as per WMOA1+RCP6
TS2000-Rad+UKCA=RCP6 StratTrop GLOMAP-mode RADAER/ACTIVATE/ Gas-phase RF ON Alistair Sellar 10.6.1
GA7.1 N96		 NA u-ao124 Pdficon small.png ukca_chem_eval_am124_ao124.pdf Info circle.png -- None at present Only difference from u-am124 is
UKCA Trace Gas read from WMO2011+RCP6 file
TS2000-RCP6
For Next Release Job		 StratTrop GLOMAP-mode RADAER/ACTIVATE/ Gas-phase RF ON Mohit Dalvi 10.8
GA7.1 N96		 NA u-ao763 See Developing Releases Table None at present Radiation GHG as per GC3.1
UKCA Trace Gas mmrs as per WMOA1+RCP6
PI and PD ERF pair StratTrop GLOMAP-mode RADAER/ACTIVATE/ O3 CH4 N2O RF ON/CFCs through radiation panel Fiona O'Connor 10.7
GA7.1 N96		 NA u-ap664(PI)
/u-ap663(PD)		 Pdficon small.png ukca_chem_eval_ap663_ap664.pdf Info circle.png None at present Radiation GHG as per GC3.1,
UKCA LLGHGs mmrs as per CMIP6,
UKCA chemistry ems as per CMIP5,
UKCA aerosol ems as per CMIP6,
PI - atmos and coupled StratTrop GLOMAP-mode RADAER/ACTIVATE/ O3 CH4 N2O RF ON/CFCs through radiation panel Fiona O'Connor 10.7
GA7.1 N96
vs
UKESM0.9		 NA u-ap664(atmos-only)
/u-aq399(coupled)		 Pdficon small.png ukca_chem_eval_ap664_aq399.pdf Info circle.png None at present Radiation GHG as per GC3.1,
UKCA LLGHGs mmrs as per CMIP6,
UKCA chemistry ems as per CMIP5,
UKCA aerosol ems as per CMIP6,
Neither simulation includes PSC/NAT fixes


Note: The fixed tau CH4 files refer to plots re-generated following a bug-fix to the plotting script. The previous plots/bug only considered CH4 burden in the Troposphere while calculating the lifetime.

Investigating Low OH, High Methane Lifetime in VN10.5 GA7.0 CheST/StratTrop + GLOMAP simulations

Suite-Id Owner UM version Branches and Configuration Details
(apart from CheST+GLOMAP+RADAER+UKCAGHG)		 Simulation Length Plots CH4 lifetime years
Whole Atm vs OH
; ACCMIP=9.3 +/− 0.9		 Mean OH molec/cm3
ACCMIP = 1.17(+/−0.1)e+06		 Comments
u-ac253 FOC vn10.3 Lightning NOx 50%, Tropopause height bugfix
ukca_ch2br2mmr=1.802e-11, ukca_h2mmr=3.453e-08		 20 year, Plots:11-20yr Pdficon small.png ac253_OH_Lawrence Info circle.png, Pdficon small.png ac253_ch4_lifetime Info circle.png 8.63 8.98e+05 Explosive-volc-SO2 emitted, Aero-surf-area=0
u-ad265 MD vn10.3 Lightning NOx 50%, Tropopause height bugfix, Strat-Hetero aer-surf-area fixes
ukca_ch2br2mmr=1.802e-11, ukca_h2mmr=3.453e-08		 20 year, Plots:6-10yr Pdficon small.png ad265_OH_Lawrence Info circle.png, Pdficon small.png ad265_ch4_lifetime Info circle.png 9.65 8.0e+05 Expl-volc-SO2 emitted
u-ac961 FOC vn10.3 Lightning NOx 50%, Tropopause height bugfix, ExplVolc_SO2 Off
ukca_ch2br2mmr=1.802e-11, ukca_h2mmr=3.453e-08		 20 year, Plots:6-10yr Pdficon small.png ac961_OH_Lawrence Info circle.png, Pdficon small.png ac961_ch4_lifetime Info circle.png 8.8 8.8e+05 Expl-volc-SO2 Off
puma-aa342 MK vn10.4 Lightning NOx 50%, Tropopause height bugfix, Strat-Hetero aer-surf-area fixes, ExplVolc_SO2 Off
ukca_ch2br2mmr=1.0000e-12, ukca_h2mmr=500.0e-09		 10 year, Plots:6-10yr Pdficon small.png aa342_OH_Lawrence Info circle.png, Pdficon small.png aa342_ch4_lifetime Info circle.png 13.2 6.22e+05 Expl-volc-SO2 Off
u-ae771 MD vn10.5 Lightning NOx 50%, Tropopause height bugfix, Strat-Hetero-psc aero-surf-area fixes, ExplVolc_SO2 Off
ukca_ch2br2mmr=1.0000e-12, ukca_h2mmr=500.0e-09		 20 year, Plots:11-20yr Pdficon small.png ae771_OH_Lawrence Info circle.png, Pdficon small.png ae771_ch4_lifetime Info circle.png, 14.3 5.73e+05 Expl-volc-SO2 Off Pdficon small.png ae771_tropchem_evaluation_all Info circle.png
u-af834 MD vn10.5 Lightning NOx 50%, Tropopause height bugfix, Strat-Hetero-psc aero-surf-area fixes, ExplVolc_SO2 Off
ukca_ch2br2mmr=1.802e-11, ukca_h2mmr=3.453e-08		 20 year, Plots:11-20yr Pdficon small.png af834_OH_Lawrence Info circle.png, Pdficon small.png af834_ch4_lifetime Info circle.png 9.32 8.31e+05 Expl-volc-SO2 Off Pdficon small.png af834_tropchem_evaluation_all Info circle.png


Recent results from VN10.2 GA6.0#136.17 (including GLOMAP-mode) + CheST (StratTrop chemistry)

Model Run Chemistry Aerosol-microphys Aerosol-optical Owner UM version Monsoon job ID Met Office ID Link to chemistry evaluation Link to aerosol evaluation Link to Validation Note Comments
1 StratTrop GLOMAP-mode RADAER/ACTIVATE/Gas-phase RF OFF Steven Hardiman 10.2 N/A mi-ah813 Pdficon small.png ah813.pdf Info circle.png Pdficon small.png ah813_updated.pdf Info circle.png None at present ai985 vs ah813 Run for 20 years - plots based on last 10 years; Biogenic ems prescribed; No trop het chem; Lightning ems 10.7 TgN/yr; CH4 lifetime too short; Strat o3 max reduced and in better agreement with obs; Diagnosed STE flux of O3 clearly wrong. Updated pdf now includes updated methane lifetime calculation and nh_oh/sh_oh ratio.
2 StratTrop GLOMAP-mode RADAER/ACTIVATE/O3, N2O, CH44 RF ON Steven Hardiman 10.2 N/A mi-ai985 Pdficon small.png ai985.pdf Info circle.png Pdficon small.png ai985_updated.pdf Info circle.png None at present ai985 vs ah813 Run for 20 years - plots based on last 10 years; Biogenic ems prescribed; No trop het chem; RF bugfix included; Lightning ems 10.7 TgN/yr; CH4 lifetime too short; Strat o3 max reduced and in better agreement with obs; Diagnosed STE flux of O3 clearly wrong. Updated pdf now includes updated methane lifetime calculation and nh_oh/sh_oh ratio.
3 StratTrop GLOMAP-mode RADAER/ACTIVATE/O3, N2O, CH4 RF ON Steven Hardiman 10.2 N/A mi-aj868 Pdficon small.png aj868.pdf Info circle.png Pdficon small.png aj868_updated.pdf Info circle.png None at present aj868 vs ai985 RF bugfix included; Lightning emissions halved. Updated pdf now includes updated methane lifetime calculation and nh_oh/sh_oh ratio. Methane lifetime now increased.
4 StratTrop GLOMAP-mode RADAER/ACTIVATE/O3, N2O, CH4 RF OFF João Teixeira 10.2 N/A mi-ak384 Pdficon small.png ak384.pdf Info circle.png None at present ak384 vs aj868 RF bugfix included; Lightning emissions halved. Updated pdf now includes updated methane lifetime calculation and nh_oh/sh_oh ratio.


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