MetOffice/jules

View on GitHub

The Joint UK Land Environment Simulator

Stars: 23
Forks: 36
Open beginner issues: 2
Indexed issues: 53
Avg merge: 5d 9h
Merged PRs (30d): 3

Dominant language: Fortran
License: BSD-3-Clause
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

53 open issues indexed

Additional Modifications for negative snow Open

bug Linked Apps Linked UM

MetOffice/jules#167 · 1 assignee · Opened Sep 17, 2026
Documentation and validation Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

MetOffice/jules#163 · Opened Sep 10, 2026
Diagnostics nbp_gb and apar cannot be output Open

MetOffice/jules#157 · 1 assignee · Opened Sep 2, 2026
description and testing impact of switch Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MetOffice/jules#156 · 1 comment · Opened Sep 2, 2026
Bug in /science/vegetation/crop_date_mod.F90 Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

MetOffice/jules#151 · Opened Aug 26, 2026
Add reservoirs to hydrology Open

MetOffice/jules#148 · 3 assignees · Opened Aug 26, 2026
Additional documentation for minor reservoir code Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

MetOffice/jules#142 · 2 comments · Opened Aug 21, 2026
Bare soil evaporation separated over irrigated and non-irrigated soil Open

enhancement

MetOffice/jules#139 · 1 assignee · Opened Aug 18, 2026
New water table depth calculation (Ticket #1485 old issue #33) Open

enhancement

MetOffice/jules#138 · 3 assignees · Opened Aug 18, 2026
typo 'Displacemnet' should be 'Displacement' Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

MetOffice/jules#131 · 3 comments · Opened Jul 12, 2026
add dependence of maximum rooting depth on active layer thickness Open

MetOffice/jules#127 · 1 assignee · Opened Jul 3, 2026
fix l_bgc_heat for one layer Open

MetOffice/jules#126 · 1 assignee · Opened Jul 3, 2026
Fully couple the tile-based irrigation scheme to UM/LFRic Open

MetOffice/jules#123 · 1 assignee · Opened Jun 30, 2026
Include diagnostic to calculate irrigated water amount Open

MetOffice/jules#122 · 1 assignee · Opened Jun 30, 2026
Correction to enable soil moisture extraction from irrigated tiles when θ > θcrit Open

MetOffice/jules#121 · 1 assignee · Opened Jun 30, 2026
Include irrigation correction for bare soil evaporation Open

MetOffice/jules#120 · 1 assignee · Opened Jun 30, 2026
Add extra output catch snow for GloSea Open

enhancement

MetOffice/jules#116 · 1 assignee · Opened Jun 11, 2026
Convert `jules_pftparm` to a duplicate namelist Open

MetOffice/jules#115 · 1 assignee · Opened Jun 1, 2026
precipitation downscaling from daily to subdaily - dur_ls_precip and dur_conv_precip not realistic Open

MetOffice/jules#114 · 1 assignee · Opened May 5, 2026
add a peaked function for temperature dependence of respiration Open

MetOffice/jules#113 · 2 assignees · Opened Apr 30, 2026
Change c3_io from integer switch to logical Open

enhancement

MetOffice/jules#106 · 1 comment · 1 assignee · Opened Apr 20, 2026
Add Fab build script Open

enhancement

MetOffice/jules#102 · 1 assignee · Opened Apr 2, 2026
Couple UKESM into veg3/JULES-RED Open

enhancement

MetOffice/jules#101 · 1 assignee · Opened Apr 1, 2026
rose-stem tests for veg3/JULES-RED Open

enhancement

MetOffice/jules#100 · 1 assignee · Opened Apr 1, 2026
Parameterisation of PFTs in veg3/JULES-RED Open

enhancement

MetOffice/jules#99 · 1 assignee · Opened Apr 1, 2026
Couple SOX/Drought Mortality into veg3/JULES-RED Open

enhancement

MetOffice/jules#98 · 1 assignee · Opened Apr 1, 2026
Couple Nitrogen Scheme into veg3/JULES-RED Open

enhancement

MetOffice/jules#97 · 1 assignee · Opened Apr 1, 2026
Couple INFERNO into veg3/JULES-RED Open

enhancement

MetOffice/jules#96 · 1 assignee · Opened Apr 1, 2026
Implement Gross Land Use Change Transitions into veg3/JULES-RED Open

enhancement

MetOffice/jules#95 · 1 assignee · Opened Apr 1, 2026
Implement Net Land Use Change Transistions into veg3/JULES-RED Open

enhancement

MetOffice/jules#93 · 1 assignee · Opened Mar 31, 2026
Closed Canopy Scheme in veg3/JULES-RED Open

enhancement

MetOffice/jules#92 · 1 assignee · Opened Mar 31, 2026
Couple Soil Carbon Biogeochemistry into veg3/JULES-RED Open

enhancement

MetOffice/jules#91 · 1 assignee · Opened Mar 31, 2026
Couple Phenology into veg3/JULES-RED Open

enhancement

MetOffice/jules#90 · 1 assignee · Opened Mar 31, 2026
Add zenith angle dependence to sea ice albedo calculations Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

MetOffice/jules#88 · Opened Mar 26, 2026
Enable github code ownership for Jules Open

MetOffice/jules#86 · 2 comments · 1 assignee · Opened Mar 20, 2026
modify cryoturbation for l_layeredc = true Open

documentation enhancement Linked UM macro

MetOffice/jules#82 · 1 comment · 3 assignees · Opened Mar 16, 2026
Required river related developments Open

Discussion documentation

MetOffice/jules#81 · 1 assignee · Opened Mar 16, 2026
More granular litter inputs Open

MetOffice/jules#77 · 1 assignee · Opened Mar 13, 2026
Add a geothermal heat flux Open

documentation enhancement Linked UM macro

MetOffice/jules#76 · 2 comments · 3 assignees · Opened Mar 11, 2026
Additional fixes for negative snow Open

MetOffice/jules#74 · 1 assignee · Opened Mar 6, 2026
extracting inferno hardwired flammability params Open

documentation enhancement Linked UM macro

MetOffice/jules#61 · 2 assignees · Opened Feb 20, 2026
fix to help numerical stability of the soil hydrology particularly relevant for soils with low bulk density Open

enhancement

MetOffice/jules#60 · 6 comments · 4 assignees · Opened Feb 20, 2026
Migrate jules_radiation metadata to jules-shared Open

enhancement

MetOffice/jules#49 · 1 comment · 1 assignee · Opened Feb 10, 2026
Add ESNZ site to JULES Rose Stem configuration Open

MetOffice/jules#46 · 1 assignee · Opened Feb 10, 2026
Remove include directives from Fortran source files Open

enhancement

MetOffice/jules#38 · 2 comments · 1 assignee · Opened Jan 23, 2026
Better Process For publishing JULES input data Open

backlog

MetOffice/jules#37 · 1 assignee · Opened Jan 23, 2026
New water table depth calculation (Ticket #1485) Open

enhancement

MetOffice/jules#33 · 1 comment · 3 assignees · Opened Jan 20, 2026
Add minor reservoirs to hydrology (old ticket #1123) Open

enhancement Linked UM macro

MetOffice/jules#32 · 2 comments · 1 assignee · Opened Jan 17, 2026
Purge Fortran Keywords as variables Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MetOffice/jules#31 · Opened Jan 16, 2026
Bug fix (Ticket #1545) Open

MetOffice/jules#28 · 1 assignee · Opened Jan 15, 2026

MetOffice/jules

Get new issues in your inbox