Difference between revisions of "Developing UKESM"

From UKCA
Line 20: Line 20:
 
|-
 
|-
 
| 1 || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/Gas-phase RF ON || Mohit Dalvi || 10.3 || N/A || u-ac900 <br/> GA7 N96 AMIP|| {{pdf|ukca_eval_ac900.pdf|u-ac900 Evaluation}} {{pdf|ukca_eval_ac253.pdf|u-ac253 Evaluation}} || None at present || None at present || Run for 10 years - plots based on 10th year; Lightning emissions halved. Tropopause height bugfix included; <br/> '''Branch to maintain SAD above 12km''' ; compared against base vn10.3 GA7 suite -u-ac253
 
| 1 || StratTrop || GLOMAP-mode || RADAER/ACTIVATE/Gas-phase RF ON || Mohit Dalvi || 10.3 || N/A || u-ac900 <br/> GA7 N96 AMIP|| {{pdf|ukca_eval_ac900.pdf|u-ac900 Evaluation}} {{pdf|ukca_eval_ac253.pdf|u-ac253 Evaluation}} || None at present || None at present || Run for 10 years - plots based on 10th year; Lightning emissions halved. Tropopause height bugfix included; <br/> '''Branch to maintain SAD above 12km''' ; compared against base vn10.3 GA7 suite -u-ac253
  +
|}
  +
<br/>
  +
  +
== Investigating Low OH, High Methane Lifetime in vn10.5 GA7.0 CheST/StratTrop + GLOMAP simulations ==
  +
  +
{| border="1" style="background-color:white"
  +
|'''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; ACCMIP=9.3 +/− 0.9 || '''Mean OH''' molec/cm3 <br/> ACCMIP = 1.17 (+/− 0.1) e+06 || '''Comments'''
  +
| 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 molec/cm3 ||
  +
-
  +
| u-ae771 || MD || vn10.5 || Lightning NOx 50%, Tropopause height bugfix, Stratospheric aer-surf-area fixes <br/> ukca_ch2br2mmr=''1.0000-12'', 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} || 8.63 || 8.98e+05 molec/cm3 ||
  +
  +
| u-ad265 || MD || vn10.3 || Lightning NOx 50%, Tropopause height bugfix, Stratospheric aer-surf-area fixes <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 molec/cm3 ||
  +
-
  +
 
|}
 
|}
 
<br/>
 
<br/>

Revision as of 13:51, 24 August 2016

Recent results from 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.


Results from GA7.0 (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 ON Mohit Dalvi 10.3 N/A u-ac900
GA7 N96 AMIP
Pdficon small.png u-ac900 Evaluation Info circle.png Pdficon small.png u-ac253 Evaluation Info circle.png None at present None at present Run for 10 years - plots based on 10th year; Lightning emissions halved. Tropopause height bugfix included;
Branch to maintain SAD above 12km ; compared against base vn10.3 GA7 suite -u-ac253


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 {pdf:ac253_Lawrence_plot.pdf ac253_OH_Lawrence}, {pdf:ac253_tau_ch4.pdf ac253_ch4_lifetime} 8.63 8.98e+05 molec/cm3

-

u-ae771 MD vn10.5 Lightning NOx 50%, Tropopause height bugfix, Stratospheric aer-surf-area fixes
ukca_ch2br2mmr=1.0000-12, 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} 8.63 8.98e+05 molec/cm3 u-ad265 MD vn10.3 Lightning NOx 50%, Tropopause height bugfix, Stratospheric aer-surf-area fixes
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 molec/cm3

-