Developing releases

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PLEASE NOTE. THIS IS A SET OF WORKING PAGES TO TEST AND EVALUATE PROTOTYPE RELEASE JOBS.

UNTIL FORMALLY RELEASED DO NOT ASSUME ANY OF THESE JOBS ARE READY FOR SCIENTIFIC USE.

PLEASE SEE UKCA Release Jobs FOR DETAILS OF RELEASED JOBS

Bugfixes

Please note all bugfixes to developing releases on the Developing Releases Bugfixes page.

NOy

Further information about debugging the NOy problems can be found here.

Key

Release candidate still under evaluation
Release candidate not scientifically suitable to be released
Release candidate is suitable for development jobs,
and may be scientifically suitable to be released for some applications
Release candidate scientifically suitable to be released
Release candidate does not consider the required chemistry or aerosol processes

2017 StratTrop/CheST + GLOMAP (Co-ordinator: Mohit Dalvi/ Luke Abraham)

Release candidate Chemistry,Aerosol Owner UM version Configuration Monsoon job ID Met Office ID Links to Details/ Results/ Assessment Comments
RC1 Strat+Trop+GLOMAP+RADAER Mohit 10.8 GA7.1
N96L85
None u-ao673 Suite Details
Pdficon small.png Chemistry Evaluation (vs 10.6.1) Info circle.png
Pdficon small.png CH4_lifetime_comparison_new Info circle.png
Pdficon small.png Aerosol Evaluation Info circle.png
TS2000; Rad-GHG=Y2000; UKCA-TraceGas = RCP6+WMO2011
RC2 Strat+Trop+GLOMAP+RADAER Mohit 10.9 GA7.1
N96L85
Portable u-as976 Suite Details
Pdficon small.png Chemistry Evaluation Info circle.png
Rad-GHG=Y2000; UKCA-emsisions and TraceGas = CMIP6 Y2014
RC2.1 Strat+Trop+GLOMAP+RADAER Luke 10.9 GA7.1
N96L85
Portable u-au917 Suite Details
Pdficon small.png Chemistry Evaluation Info circle.png
Copy of u-as976 but including latest
lightning NOx tunings as per um:#3806

2013 TropIsop/CheT + GLOMAP (Co-ordinator: Graham Mann)

Release candidate Chemistry Aerosol-microphys Aerosol-optical Owner UM version Monsoon job ID Met Office ID Link to evaluation suite Comments
Andy 8.2 N/A amogs None at present GA4 N96L85 using TropIsop + aerosol chemistry + GLOMAP-mode, with plume scavenging of aerosol tracers.
RC1 Mohit/ Andy 8.4 xhmah amtjn Pdficon small.png UKCA_GA4.pdf Info circle.png
Pdficon small.png Tropospheric aerosol evaluation for amtjn Info circle.png
GA4 N96L85 TropIsop(CheT)+GLOMAP+RADAERv2+Activate. Dynmamic Rainout;Aerosol in Plume scavenging;Lightning NOx improvements (halved). Sea-salt too high in the stratosphere.
RC2 Mohit 8.4 xhmai None at present Pdficon small.png xhmai_TropChemEval Info circle.png Pdficon small.png Tropospheric aerosol evaluation for xhmai Info circle.png cp XHMAH + Aerosol initialised using data from N48L60 Pinatubo control run (XHNAP). Chemistry rates have not been updated to latest values.
RC3 Mohit 8.4 None at present ajkzh Pdficon small.png TropChemEval_Year1 Info circle.png Pdficon small.png TropChemEval_Year4 Info circle.png cp XHMAI; Reaction rates updated.
RC4 Mohit 8.4 xhmak ajkzi Pdficon small.png ajkzi_TropChemEval Info circle.png
Pdficon small.png Monthly_Evaluation_AOD_ajkzi_amtjn Info circle.png
Pdficon small.png Seasonal_Evaluation_AOD_ajkzi_amtjn_satellite Info circle.png
cp XHMAI; Reaction rates updated; Liss-Merlivat for DMS air-sea exch flux.
RC4.1 Mohit 8.4 xeuno NA Pdficon small.png xeuno_TropChemEval Info circle.png cp XHMAK; Nudged.
RC4.2 Fiona 8.4 NA anqfg None uploaded yet cp XHMAK; Aerosol chemistry & GLOMAP-mode OFF.
RC4.3 Fiona 8.4 NA anqfh None uploaded yet cp XHMAK; Aerosol chemistry & GLOMAP-mode OFF; Methane fixed.
RC5 Mohit 8.6 akwxs NA Pdficon small.png akwxs_TropChem_evaluation Info circle.png
Pdficon small.png akwxs_AOD_seasonal Info circle.png
Pdficon small.png akwxs_Aerosol_eval Info circle.png
vn8.6;GA6.0;TropIsop+GLOMAP+RADAER+Activate;Plume Scavenging;Rate updates;v_grav,qsmr bug-fixes.
RC6 Luke 8.4 NA xkghe None uploaded yet cp XKAWA, but made TropIsop+GLOMAP. CheST upper boundary conditions for NOy and CH4 applied. UM O3 upper boundary condition used. Initialised as per xkawa. STILL UNSTABLE
RC6.1 Luke 8.4 NA xkghf None uploaded yet As per xkghe; cp XKAWA, but made TropIsop+GLOMAP. CheST upper boundary conditions for O3, NOy, and CH4 applied. Initialised as per xkawa. STILL UNSTABLE


Please see also GA4.0 N216 Development page.

2013 StratTropIsop/CheST (Co-ordinator: Luke Abraham)

Release candidate Chemistry Aerosol Owner UM version Monsoon job ID Met Office ID Link to evaluation suite Comments
RC1 Luke 8.2 xhkld amekf Pdficon small.png Xhkld_eval.pdf Info circle.png GA4.0+FastJX. NOy problems persist in this version. OH not good either. LiNOx in this job = 1.11408 Tg(N)/year. 11-year spin-up with analysis performed on the 12th year.
RC2 Luke 8.2 xhklk N/A Pdficon small.png Xhklk_eval.pdf Info circle.png GA4.0+FastJX. This is a slightly updated version of xhkld, but with the RCP scenario added and the HOx recycling (and a minor change to the bit-comparability fix) added. This is configured for 2000/01/01 conditions (WMOA1b) and is initialised to UKCA fields from Alex's vn7.3 xgywn CheST job. The chemistry is identical between xgywn and xhklk. LiNOx in this job = 1.16781 Tg(N)/year. 2-year job from initial conditions, analysis performed on the 2nd year (hence poor age of air).
RC3 Luke 8.2 xhkll N/A Pdficon small.png Xhkll_eval.pdf Info circle.png GA4.0+FastJX. Same as xhklk, but with the updated Lightning NOx routines from UKMO. LiNOx in this job = 11.57956 Tg(N)/year. 2-year job from initial conditions, analysis performed on the 2nd year (hence poor age of air).
RC4 Luke 8.2 xhklm N/A Pdficon small.png Xhklm_eval.pdf Info circle.png GA4.0+FastJX. Same as xhklk, but with the Cambridge Lightning NOx routines. LiNOx in this job = 9.11675 Tg(N)/year. 2-year job from initial conditions, analysis performed on the 2nd year (hence poor age of air).
RC5 Luke 8.2 xhkln N/A Pdficon small.png Xhkln_eval_yr2.pdf Info circle.png
Pdficon small.png Xhkln_eval_yr10.pdf Info circle.png
GA4.0+FastJX. Same as xhklk, but setting P_no in ukca_light.F90 to half its original value. Updates/bugfix to asad_trimol.F90 to see if this improves NOy. LiNOx in this job = 5.69851 Tg(N)/year. Job sent off for a 10-year run.
RC6 Luke 8.2 xhkls N/A Pdficon small.png Xhkls_eval_yr10.pdf Info circle.png GA4.0+FastJX. Same as xhkln, but with NOy lumped into HONO2 rather than NO2. No significant change from xhkln.
RC7 Fiona 8.2 N/A amekf Pdficon small.png amekf_eval.pdf Info circle.png Base job - GA4.0, updated rxn rates, Fast-JX, low lightning, some bugfixes. Same as RC1 above but initialised in Sept 1981 and evaluation based on years 2007/08.
RC8 Fiona 8.2 N/A ameku Pdficon small.png ameku_eval.pdf Info circle.png Base job but with old rxn rates. Initialised from amekf in Sept 2006 and evaluation based on years 2007/08. Methane lifetime much shorter (8.01 yr) than in amekf (10.5 yr). Strat HNO3 marginally worse in ameku than amekf. Updated rates not cause of poor stratospheric HNO3.
RC9 Fiona 8.2 N/A amekv Pdficon small.png amekv_eval.pdf Info circle.png Base job but with vn7.3 Fast-JX routines. Initialised from amekf in Sept 2006 and evaluation based on years 2007/08. Gives extremely similar results to amekf (RC7) in terms of o3 budget, global mean OH, CH4 lifetime, and strat HNO3. No other major bug with Fast-JX at UMvn8.2 apart from that fixed in vn8.2_bugfix_fastjx_sphere.
RC10 Fiona 8.2 N/A amekw Pdficon small.png eval_amekw.pdf Info circle.png Base job but with qpos for tracers set to 'local' - same as in UMvn7.3. Significant difference in runtime. Meteorology will be different due to qpos setting affecting aerosols. Strat HNO3 still poor.
RC11 Fiona 8.2 N/A amekx Pdficon small.png amekx_eval.pdf Info circle.png Base job but with updated lightning NOx routines. Mean global lightning emissions for 2007/08 is 8.26 TgN/year. Strat HNO3 improved but still poor. Global mean OH increased. Tropospheric methane lifetime much shorter (7.92 yr) than in amekf (10.5 yr). Tropospheric CO improved but still biased high in SH. Tropospheric O3 improved.
RC12 Fiona 8.2 N/A ameky Pdficon small.png ameky_eval.pdf Info circle.png Base job but with stratospheric water vapour above 19km as seen by the chemistry set to 3.8 ppmv. No major impact in troposphere. Strat HNO3 largely unchanged. Little impact on other stratospheric species.


2013 StratTropIsop/CheST + GLOMAP (Co-ordinator: Luke Abraham)

Release candidate Chemistry Aerosol - microphys Aerosol - optical Owner UM version Monsoon job ID Met Office ID Link to evaluation suite Comments
8.4 N/A anenu None at present GA5 (ENDGAME) Includes plume scavenging of soluble aerosol tracers. Being assessed for tropospheric aerosol.
RC1 Mohit 8.4 xhmaj anenj None at present GA4.0 (ND) N96L85, PlumeScav; Radv2; Act; Aerosol init (xhnap)
RC2 Luke 8.4 xjcie N/A Pdficon small.png Xjcie_eval_yr02.pdf Info circle.png
Pdficon small.png Xjcie_eval_yr10.pdf Info circle.png
GA4.0 (ND) N96L85, PlumeScav; Radv2; Act; Aerosol init (xhnap); Chemistry init (xhklk); includes HOx recycling and halved LiNOx (c.f. xhkln). Copy of xhmaj with chemistry changes. 10-year simulation. RADAER on, O3 feedback off.
RC2.1 Luke 8.4 xjcig N/A None at present GA4.0 (ND) N96L85, PlumeScav; Radv2; Act; Aerosol init (xhnap); Chemistry init (xhklk); includes HOx recycling and halved LiNOx (c.f. xhkln). Copy of xhmaj with chemistry changes. 10-year simulation. Nudged. RADAER off. A floating-point exception in Fast-JX has prevented this job from running for more than 20 months.
RC2.2 Luke 8.4 xjcih N/A Pdficon small.png Xjcih_eval_yr10.pdf Info circle.png
Pdficon small.png AerosolEval_XJCIH_2009 Info circle.png
Pdficon small.png Seasonal_AOD_XJCIH_2009 Info circle.png
GA4.0 (ND) N96L85, PlumeScav; Radv2; Act; Aerosol init (xhnap); Chemistry init (xhklk); includes HOx recycling and halved LiNOx (c.f. xhkln). Copy of xhmaj with chemistry changes. 10-year simulation. RADAER on, O3 feedback on.
RC3.2 Luke 8.4 xjcii N/A Pdficon small.png Xjcii_eval_yr02.pdf Info circle.png Pdficon small.png Xjcii_eval_yr10.pdf Info circle.png GA4.0 (ND) N96L85, PlumeScav; Radv2; Act; Aerosol init (xhnap); Chemistry init (xhklk); includes HOx recycling and halved LiNOx (c.f. xhkln). Copy of xhmaj with chemistry changes. 10-year simulation. RADAER on, O3 feedback on. 6.91% of N2O is lumped into Total N tracer (34098) to see if this affects Stratospheric NOy. HNO3 lower in this run when compared to xjcih.
Sensitivity Test Luke 8.4 xjcij N/A Pdficon small.png Xjcij_eval_yr10.pdf Info circle.png GA4.0 (ND) N96L85, PlumeScav; Radv2; Act; Aerosol init (xhnap); Chemistry init (xhklk); includes HOx recycling and halved LiNOx (c.f. xhkln). Copy of xhmaj with chemistry changes. 10-year simulation. RADAER on, O3 feedback on. HNO3 sedimentation has been deactivated by setting the sedimentation velocities to zero. HNO3 slightly higher in high latitudes when compared to xjcih.
RC4.2 Luke 8.4 xjcil N/A Pdficon small.png AeroEval_xjcil_2001.pdf Info circle.png
Pdficon small.png TropChemEval_XJCIL_2001.pdf Info circle.png
Pdficon small.png Seasonal_AOD_XJCIL_2001 Info circle.png
Pdficon small.png Xjcil_eval_yr2002.pdf Info circle.png
GA4.0 (ND) N96L85, PlumeScav; Radv2; Act; Aerosol init (xhnap); Chemistry init (xhklk); includes HOx recycling and halved LiNOx (c.f. xhkln). Copy of xhmaj with chemistry changes. 10-year simulation. RADAER on, O3 feedback on. No lumping for N species, each are considered separately.
RC5 Luke 8.4 xjcin N/A see results on the NOy_PEG page GA4.0 (ND) N96L85, PlumeScav; Radv2; Act; Aerosol init (xhnap); Chemistry init (xhklk); includes HOx recycling and halved LiNOx (c.f. xhkln). Copy of xhmaj with chemistry changes. 10-year simulation. RADAER on, O3 feedback on. TS2000 timeslice for GHGs, ODSs, emissions, and SSTs/sea-ice. Some reaction rate updates to how MeOH emissions are handled.
This job was compared with a vn7.3 job with identical emissions, forcings, and initial conditions, and while there were some differences, the results were comparable.
RC6.0 Luke 8.4 xkawa N/A see results on the vn8.4 GA4.0 Release Candidate: RC6.0 page as xjcin but is initialised to the final December dump of xjcin (i.e. 10-year spin-up), but further additions and bugfixes (e.g. RCP scenario, pressure level output). UKCA code is now held in a package branch fcm:um_br/pkg/Config/vn8.4_UKCA. While tropospheric chemistry is acceptable and stratospheric chemistry is no worse than vn7.3, aerosol properties need improvement. Serious technical problems also need to be addressed before this job can be released.
RC6.1 Graham 8.4 xkaxr N/A None as yet Same as xkawa/RC6.0 but with improvements to fix the stratospheric sea-salt concentrations.
RC6.2 Luke 8.4 xkjgj N/A see results on the vn8.4 GA4.0 Release Candidate: RC6.2 page Same as xkawa/RC6.0 but with improvements from xkaxr/RC6.1 and further changes to fix the polar rows problem and additional improvements for AOD and aerosol chemistry, as well as correcting COS lower BC.