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Diagnostics list
A list of the diagnostics required by all participants, for the adequate analysis and intercomparison of the RT4 coordinated experiments, is given here.
For monthly data and daily mean fields, all time points for a single integration are in the same file.
The diagnostics are classified into the following data types:
- M2D: Monthly mean 2-D fields. The variables under this data type will be archived into the following three files:
- M2D_R (variables to do with radiation)
- M2D_H (variables to do with hydrology)
- M2D_O (others)
- M3D: Monthly mean 3-D fields. Each variable under this data type will be archive on a separate file
- DF: Daily mean fields. Each variable on separate files, apart from daily mean temperature (ta), zonal wind (ua) and meridional wind (va), which will be archived in two files, each containing 10 years worth of data.
- DF1: years 1 to 10
- DF2: years 11 to 20
- HF: 6 Hourly instantaneous fields. Each variable on separate files. (only for the last 10 years of integration). There will be two file for each variable, each containing 5 years worth of data:
- HF1: years 11 to 15
- HF2: years 16 to 20
- EX: Extremes. All variables under the same file. These non-standard variables may not be available for some models.
M2D_R: Monthly mean 2-D fields - Radiation
| Variable | Long Name | Standard Name | Unit |
|---|
| hfls |
Surface Latent Heat Flux |
surface_upward_latent_heat_flux |
W m -2 |
| hfss |
Surface Sensible Heat Flux |
surface_upward_sensible_heat_flux |
W m -2 |
| rlds |
Surface Downwelling Longwave Radiation |
surface_downwelling_longwave_flux_in_air |
W m -2 |
| rldscs |
Downwelling Surface Clear-Sky Longwave |
surface_downwelling_longwave_flux_clear_sky |
W m -2 |
| rlntp |
Net Upward Longwave Flux at 200 hPa |
net_upward_longwave_flux_in_air |
W m -2 |
| rlntpcs |
Net Upward Clear-Sky Longwave Flux at 200 hPa |
net_upward_longwave_flux_clear_sky |
W m -2 |
| rlus |
Surface Upwelling Longwave Radiation |
surface_upwelling_longwave_flux_in_air |
W m -2 |
| rlut |
Outgoing Longwave Radiation |
toa_outgoing_longwave_flux |
W m -2 |
| rlutcs |
Outgoing Clear-Sky Longwave |
toa_outgoing_longwave_flux_clear_sky |
W m -2 |
| rsds |
Surface Downwelling Shortwave Radiation |
surface_downwelling_shortwave_flux_in_air |
W m -2 |
| rsdscs |
Incident Surface Clear-Sky Shortwave |
surface_downwelling_shortwave_flux_clear_sky |
W m -2 |
| rsdt |
TOA Incident Shortwave Radiation |
toa_incoming_shortwave_flux |
W m -2 |
| rsntp |
Net Downward Shortwave Flux at 200 hPa |
net_downward_shortwave_flux_in_air |
W m -2 |
| rsntpcs |
Net Downward Clear-Sky Shortwave Flux at 200 hPa |
net_downward_shortwave_flux_clear_sky |
W m -2 |
| rsus |
Surface Upwelling Shortwave Radiation |
surface_upwelling_shortwave_flux_in_air |
W m -2 |
| rsuscs |
Reflected Surface Clear-Sky Shortwave |
surface_upwelling_shortwave_flux_clear_sky |
W m -2 |
| rsut |
TOA Reflected Shortwave Radiation |
toa_outgoing_shortwave_flux |
W m -2 |
| rsutcs |
Reflected Clear-Sky Shortwave |
toa_outgoing_shortwave_flux_clear_sky |
W m -2 |
| rtmt |
Net Flux at Top of Model |
net_downward_radiative_flux_at_top_of_atmos. |
W m -2 |
M2D_H: Monthly mean 2-D fields - Hydrology
| Variable | Long Name | Standard Name | Unit |
|---|
| clivi |
Column Integerated Cloud Ice Content |
atmosphere_cloud_ice_content |
kg m -2 |
| clt |
Total Cloud Fraction |
cloud_area_fraction |
% |
| clwvi |
Column Integerated Cloud Water Content |
atmosphere_cloud_condensed_water_content |
kg m -2 |
| huss |
Surface Specific Humidity |
specific_humidity |
1 (i.e., dimensionless fraction) |
| mrfso |
Soil Frozen Water Content |
soil_frozen_water_content |
kg m -2 |
| mrro |
Surface and Subsurface Runoff |
runoff_flux |
kg m -2 s -1 |
| mrros |
Surface Runoff |
surface_runoff_flux |
kg m -2 s -1 |
| mrso |
Total Soil Moisture Content |
soil_moisture_content |
kg m -2 |
| mrsos |
Moisture in Upper 0.1 m of Soil Column |
moisture_content_of_soil_layer |
kg m -2 |
| pr |
Precipitation |
precipitation_flux |
kg m -2 s -1 |
| prl |
Large Scale Precipitation |
large_scale_precipitation_flux |
kg m -2 s -1 |
| prc |
Convective Precipitation |
convective_precipitation_flux |
kg m -2 s -1 |
| prsn |
Snowfall Flux |
snowfall_flux |
kg m -2 s -1 |
| prveg |
Precipitation Intercepted by Vegetation Canopy |
precipitation_flux_onto_canopy |
kg m -2 s -1 |
| prw |
Precipitable Water |
atmosphere_water_vapor_content |
kg m -2 |
| snc |
Snow Area Fraction |
surface_snow_area_fraction_where_land |
% |
| snd |
Snow Depth |
surface_snow_thickness |
m |
| snm |
Snow Melt |
surface_snow_melt_flux_where_land |
kg m -2 s -1 |
| snw |
Snow Amount |
surface_snow_amount_where_land |
kg m -2 |
| mrsol |
Soil Moisture (profile on model levels) |
soil_moisture_content_at_model_levels |
kg m -2 |
M2D_O: Monthly mean 2-D fields - Other
| Variable | Long Name | Standard Name | Unit |
|---|
| orog |
Surface Altitude |
surface_altitude |
m |
| sftgif |
Fraction of Grid Cell Covered with Glacier |
land_ice_area_fraction |
% |
| sftlf |
Land Area Fraction |
land_area_fraction |
% |
| mrsofc |
Capacity of Soil to Store Water |
soil_moisture_content_at_field_capacity |
kg m -2 |
| ps |
Surface Pressure |
surface_air_pressure |
Pa |
| psl |
Sea Level Pressure |
air_pressure_at_sea_level |
Pa |
| tas |
Surface Air Temperature |
air_temperature |
K |
| tasmax |
Daily Miximum Surface Air Temperature |
air_temperature |
K |
| tasmin |
Daily Minimum Surface Air Temperature |
air_temperature |
K |
| tauu |
Zonal Surface Wind Stress |
surface_downward_eastward_stress |
Pa |
| tauv |
Meridional Surface Wind Stress |
surface_downward_northward_stress |
Pa |
| ts |
Surface Skin Temperature |
surface_temperature |
K |
| uas |
Zonal Surface Wind Speed |
eastward_wind |
m s -1 |
| vas |
Meridional Surface Wind Speed |
northward_wind |
m s -1 |
| tsol |
Soil Temperature (profile on model levels) |
soil_temperature_at_model_levels |
K |
M3D:Monthly mean 3-D fields
(Except for cloud area fraction, this data must be provided on pressure levels, including at least the following standard levels:1000, 925, 850, 700, 600, 500, 400, 300, 250, 200, 150, 100, 70, 50, 30, 20, 10 hPa.)
| Variable | Long Name | Standard Name |
Units |
|---|
| ta |
Temperature |
air_temperature |
K |
| ua |
Zonal Wind Component |
eastward_wind |
ms-1 |
| va |
Meridional Wind Component |
northward_wind |
m s-1 |
| zg |
Geopotential Height |
geopotential_height |
m |
| wap |
Omega (=dp/dt) |
lagrangian_tendency_of_air_pressure |
Pa s-1 |
| hur |
Relative Humidity |
relative_humidity |
% |
| hus |
Specific Humidity |
specific_humidity |
1 (i.e., dimensionless fraction |
| cl |
cloud fraction |
cloud_area_fraction_in_atmosphere_layer |
% |
DF: Daily Mean Fields
| Variable | Long Name | Standard Name |
Units |
|---|
| hfls |
Surface Latent Heat Flux |
surface_upward_latent_heat_flux |
W m-2 |
| hfss |
Surface Sensible Heat Flux |
surface_upward_sensible_heat_flux |
W m-2 |
| hus |
Specific Humidity at 250, 500, 850hPa |
specific_humidity |
1 (i.e., dimensionless fraction |
| pr |
Precipitation |
precipitation_flux |
Kg m-2 s-1 |
| psl |
Sea Level Pressure |
air_pressure_at_sea_level |
Pa |
| rlds |
Surface Downwelling Longwave Radiation |
surface_downwelling_longwave_flux_in_air |
W m-2 |
| rlus |
Surface Upwelling Longwave Radiation |
surface_upwelling_longwave_flux_in_air |
W m-2 |
| rlut |
Outgoing Longwave Radiation |
toa_outgoing_longwave_flux |
W m-2 |
| rsds |
Surface Downwelling Shortwave Radiation |
surface_downwelling_shortwave_flux_in_air |
W m-2 |
| rsus |
Surface Upwelling Shortwave Radiation |
surface_upwelling_shortwave_flux_in_air |
W m-2 |
| ta |
Temperature 250, 500, 850hPa |
air_temperature |
K |
| tas |
Surface Air Temperature |
air_temperature |
K |
| tasmax |
Maximum Daily Surface Air Temperature |
air_temperature |
K |
| tasmin |
Minimum Daily Surface Air Temperature |
air_temperature |
K |
| ua |
Zonal Wind Component 250, 500, 850hPa |
eastward_wind |
m s-1 |
| va |
Meridional Wind Component 250, 500, 850hPa |
northward_wind |
m s-1 |
HF: 6 hourly instantaneous fields
| Variable | Long Name | Standard Name |
Units |
|---|
| pr |
Precipitation |
precipitation_flux |
Kg m-2 s-1 |
| psl |
Sea Level Pressure |
air_pressure_at_sea_level |
Pa |
| tas |
Surface Air Temperature |
air_temperature |
K |
| ua |
Zonal Surface Wind |
eastward_wind |
m s-1 |
| va |
Meridional Surface Wind |
northward_wind |
m s-1 |
| ua _250 |
Zonal Wind Component at 250 hPa |
eastward_wind |
m s-1 |
| va _250 |
Meridional Wind Component at 250 hPa |
northward_wind |
m s-1 |
| va_700 |
Meridional Wind Component at 700 hPa |
northward_wind |
m s-1 |
| ta_700 |
Temeprature at 700 hPa |
air_temperature |
K |
| zg_500 |
Geopotential Height at 500 hPa |
geopotential_height |
M |
EX: Extremes
| Variable | Long Name | Standard Name |
Units |
|---|
| cdd |
Maximum Number of Consecutive Dry Days |
N/A |
days |
| etr |
Intra-Annual Extreme Temperature Range |
N/A |
K |
| fd |
Total Number of Frost Days in Year |
N/A |
days |
| gsl |
Growing Season Length |
N/A |
days |
| hwdi |
Heat Wave Duration Index |
N/A |
days |
| r10 |
Number of Days for which Precipitation Rate Exceeds 10 mm/day |
N/A |
days |
| r5d |
Maximum 5-day Precipitation Total |
N/A |
Kg m-2 |
| r95t |
Percent of Annual Total Precipitation due to Events Exceeding the 1961-1990 95th Percentile |
N/A |
% |
| sdii |
Simple Daily Precipitation Index |
N/A |
Kg m-2 s-1 |
| tn90 |
Percent of time Tmin > the 90th percentile value of daily minimum temperature |
N/A |
% |
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