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add perturbed RH run #1314
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
| # # Global run of land model at low resolution | ||
|
|
||
| # The code sets up and runs ClimaLand v1, which | ||
| # includes soil, canopy, and snow, on a spherical domain, | ||
| # using low resolution ERA5 data as forcing. | ||
|
|
||
| # Simulation Setup | ||
| # Number of spatial elements: 30 in horizontal, 15 in vertical | ||
| # Soil depth: 50 m | ||
| # Simulation duration: 730 d | ||
| # Timestep: 450 s | ||
| # Timestepper: ARS111 | ||
| # Fixed number of iterations: 3 | ||
| # Jacobian update: every new Newton iteration | ||
| # Atmos forcing update: every 3 hours | ||
|
|
||
| import ClimaComms | ||
| ClimaComms.@import_required_backends | ||
| using ClimaUtilities.ClimaArtifacts | ||
| import ClimaUtilities.TimeManager: ITime, date | ||
|
|
||
| import ClimaDiagnostics | ||
| import ClimaUtilities | ||
|
|
||
| import ClimaUtilities.TimeVaryingInputs: | ||
| TimeVaryingInput, LinearInterpolation, PeriodicCalendar | ||
| import ClimaUtilities.ClimaArtifacts: @clima_artifact | ||
| import ClimaParams as CP | ||
| using ClimaCore | ||
| using ClimaLand | ||
| using ClimaLand.Snow | ||
| using ClimaLand.Soil | ||
| using ClimaLand.Canopy | ||
| import ClimaLand | ||
| import ClimaLand.Parameters as LP | ||
| import ClimaLand.Simulations: LandSimulation, solve! | ||
|
|
||
| using Dates | ||
|
|
||
| using CairoMakie, GeoMakie, Poppler_jll, ClimaAnalysis | ||
| import ClimaLand.LandSimVis as LandSimVis | ||
|
|
||
| const FT = Float64; | ||
| context = ClimaComms.context() | ||
| ClimaComms.init(context) | ||
| device = ClimaComms.device() | ||
| device_suffix = device isa ClimaComms.CPUSingleThreaded ? "cpu" : "gpu" | ||
| root_path = "lowres_snowy_land_longrun_temp_$(device_suffix)" | ||
| diagnostics_outdir = joinpath(root_path, "global_diagnostics") | ||
| outdir = | ||
| ClimaUtilities.OutputPathGenerator.generate_output_path(diagnostics_outdir) | ||
|
|
||
| function setup_model(FT, start_date, stop_date, Δt, domain, earth_param_set) | ||
| surface_domain = ClimaLand.Domains.obtain_surface_domain(domain) | ||
| surface_space = domain.space.surface | ||
| # Forcing data | ||
| era5_ncdata_path = ClimaLand.Artifacts.era5_land_forcing_data2008_path(; | ||
| context, | ||
| lowres = true, | ||
| ) | ||
| atmos, radiation = ClimaLand.prescribed_perturbed_temperature_era5( | ||
| era5_ncdata_path, | ||
| surface_space, | ||
| start_date, | ||
| earth_param_set, | ||
| 10.0, | ||
| FT; | ||
| max_wind_speed = 25.0, | ||
| time_interpolation_method = LinearInterpolation(PeriodicCalendar()), | ||
| ) | ||
| forcing = (; atmos, radiation) | ||
|
|
||
| # Read in LAI from MODIS data | ||
| modis_lai_ncdata_path = ClimaLand.Artifacts.modis_lai_multiyear_paths(; | ||
| context = nothing, | ||
| start_date, | ||
| end_date = stop_date, | ||
| ) | ||
| LAI = ClimaLand.prescribed_lai_modis( | ||
| modis_lai_ncdata_path, | ||
| surface_space, | ||
| start_date; | ||
| time_interpolation_method = LinearInterpolation(), | ||
| ) | ||
|
|
||
| # Overwrite some defaults for the canopy model | ||
| # Energy model | ||
| ac_canopy = FT(2.5e3) | ||
| energy = Canopy.BigLeafEnergyModel{FT}(; ac_canopy) | ||
|
|
||
| # Plant hydraulics | ||
| a = FT(0.2 * 0.0098) # 1/m | ||
| retention_model = Canopy.PlantHydraulics.LinearRetentionCurve{FT}(a) | ||
| hydraulics = | ||
| Canopy.PlantHydraulicsModel{FT}(surface_domain, LAI; retention_model) | ||
|
|
||
| # Roughness lengths | ||
| h_canopy = hydraulics.compartment_surfaces[end] | ||
| z0_m = FT(0.13) * h_canopy | ||
| z0_b = FT(0.1) * z0_m | ||
|
|
||
| ground = ClimaLand.PrognosticGroundConditions{FT}() | ||
| canopy_forcing = (; atmos, radiation, ground) | ||
|
|
||
| canopy = ClimaLand.Canopy.CanopyModel{FT}( | ||
| surface_domain, | ||
| canopy_forcing, | ||
| LAI, | ||
| earth_param_set; | ||
| prognostic_land_components = (:canopy, :snow, :soil, :soilco2), | ||
| energy, | ||
| hydraulics, | ||
| z_0m = z0_m, | ||
| z_0b = z0_b, | ||
| ) | ||
|
|
||
| # Snow model setup | ||
| # Set β = 0 in order to regain model without density dependence | ||
| α_snow = Snow.ZenithAngleAlbedoModel( | ||
| FT(0.64), | ||
| FT(0.06), | ||
| FT(2); | ||
| β = FT(0.4), | ||
| x0 = FT(0.2), | ||
| ) | ||
| horz_degree_res = | ||
| sum(ClimaLand.Domains.average_horizontal_resolution_degrees(domain)) / 2 # mean of resolution in latitude and longitude, in degrees | ||
| scf = Snow.WuWuSnowCoverFractionModel( | ||
| FT(0.08), | ||
| FT(1.77), | ||
| FT(1.0), | ||
| horz_degree_res, | ||
| ) | ||
| snow = Snow.SnowModel( | ||
| FT, | ||
| surface_domain, | ||
| forcing, | ||
| earth_param_set, | ||
| Δt; | ||
| prognostic_land_components = (:canopy, :snow, :soil, :soilco2), | ||
| α_snow, | ||
| scf, | ||
| ) | ||
|
|
||
| # Construct the land model with all default components except for snow | ||
| land = | ||
| LandModel{FT}(forcing, LAI, earth_param_set, domain, Δt; snow, canopy) | ||
| return land | ||
| end | ||
| # Note that since the Northern hemisphere's winter season is defined as DJF, | ||
| # we simulate from and until the beginning of | ||
| # March so that a full season is included in seasonal metrics. | ||
| start_date = DateTime("2008-03-01") | ||
| stop_date = DateTime("2010-03-02") | ||
| Δt = 450.0 | ||
| nelements = (30, 15) | ||
| domain = ClimaLand.Domains.global_domain( | ||
| FT; | ||
| context, | ||
| nelements, | ||
| mask_threshold = FT(0.99), | ||
| ) | ||
| params = LP.LandParameters(FT) | ||
| model = setup_model(FT, start_date, stop_date, Δt, domain, params) | ||
| user_callbacks = ( | ||
| ClimaLand.NaNCheckCallback( | ||
| Dates.Month(6), | ||
| start_date, | ||
| ITime(Δt, epoch = start_date), | ||
| mask = ClimaLand.Domains.landsea_mask(ClimaLand.get_domain(model)), | ||
| ), | ||
| ClimaLand.ReportCallback(10000), | ||
| ) | ||
| simulation = | ||
| LandSimulation(FT, start_date, stop_date, Δt, model; user_callbacks, outdir) | ||
| @info "Run: Global Soil-Canopy-Snow Model" | ||
| @info "Resolution: $nelements" | ||
| @info "Timestep: $Δt s" | ||
| @info "Start Date: $start_date" | ||
| @info "Stop Date: $stop_date" | ||
| ClimaLand.Simulations.solve!(simulation) | ||
|
|
||
| LandSimVis.make_annual_timeseries(simulation; savedir = root_path) | ||
| LandSimVis.make_heatmaps(simulation; savedir = root_path, date = stop_date) | ||
| LandSimVis.make_leaderboard_plots(simulation; savedir = root_path) |
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how does this var get set?
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you set it in buildkite - click on new build in the top right corner, and then add your branch instead of main (or use main), and then add an environment variable
PERTURBED_RUN=""
(it is also how we trigger longer runs if you want to do a one off run of those. Otherwise we set the environment variable in our scheduled long run here: https://buildkite.com/clima/climaland-long-runs/settings/schedules/c7373c40-27cc-4051-b13a-58769f62f5e7)