Impact model: JULES-ES-55

JULES model using the Earth System configuration based on the land-surface of UKESM1. JULES at vn5.5 and includes TRIP rivers, landuse, dynamic vegetation (TRIFFID - using a daily timestep) and the nitrogen cycle.

Water (global)
Contact Person

Information for the model JULES-ES-55 is provided for the simulation rounds shown in the tabs below. Click on the appropriate tab to get the information for the simulation round you are interested in.

Basic information
Model Version: 5.5
Model output license: CC BY 4.0
Model Homepage:
Model License: JULES is available to anyone for non-commercial use, free of charge. Note the JULES licence conditions, the JULES Fair Use and Publication Policy and the MOSRS user terms and conditions.
Simulation Round Specific Description: Paper on UKESM1 which includes the Earth System configuration of JULES used in these simulations.
Person Responsible For Model Simulations In This Simulation Round: Camilla Mathison
Output Data
Experiments: VI, VII
Climate Drivers: IPSL-CM5A-LR, HadGEM2-ES, GFDL-ESM2M, MIROC5
Date: 2021-03-16
Spatial Aggregation: regular grid
Spatial Resolution: 0.5°x0.5°
Temporal Resolution Of Input Data: Climate Variables: daily
Temporal Resolution Of Input Data: Co2: annual
Temporal Resolution Of Input Data: Land Use/Land Cover: annual
Temporal Resolution Of Input Data: Soil: constant
Input data sets used
Simulated Atmospheric Climate Data Sets Used: IPSL-CM5A-LR, HadGEM2-ES, GFDL-ESM2M, MIROC5
Emissions Data Sets Used: CO2 concentration
Land Use Data Sets Used: Future land-use patterns
Other Human Influences Data Sets Used: Nitrogen deposition
Other Data Sets Used: Land-sea mask
Climate Variables: huss, sfcWind, tasmax, tas, tasmin, rlds, rsds, ps, pr
Additional Information About Input Variables: tasmax and tasmin used to calculate tas_range, which is input into the model.
Additional Input Data Sets: TRIP river ancillary.
Was A Spin-Up Performed?: Yes
Spin-Up Design: 500 spinup cycles of 20 years starting from 1861 CO2 concentrations.
Natural Vegetation
Natural Vegetation Partition: JULES uses a fraction file that specifies where the natural vegetation pfts occur.
Natural Vegetation Dynamics: TRIFFID dynamics allow competed vegetation to change the landcover.
Management & Adaptation Measures
Management: Crops and pastures are defined from by ISIMIP2b inputs.
Soil Layers: 4 soil layers at 01,0.25,0.65 and 2m
Runoff Routing: TRIP routing model
Routing Data: TRIP
Dams & Reservoirs
Dam And Reservoir Implementation: N/A
Is Co2 Fertilisation Accounted For?: True
How Is Vegetation Represented?: TRIFFID