Obs ReAnalysis
All data are accessible from all UQAM servers - unless specified otherwise
ECMWF data users (ERA40, ERA-Interim)
Users of ECMWF data sets are requested to reference the source of the data in any publication, e.g.
"ECMWF ERA-Interim data used in this study/project have been provided by ECMWF/have been obtained from the ECMWF data server."
Reanalysis
ERA40
Period : 195709 - 200208
Horizontal grid : 145x73 (2.5 deg) B grid (CMC/RPN)
Vertical info : 23 pressure levels from 1 hPa to 1000 hPa
Data source : http://data.ecmwf.int/data/d/era40/
Documentation : http://www.ecmwf.int/research/era/Products/Archive_Plan/Archive_plan_toc.html
Location : ~data/Validation/ERA40
Driving data : Atmospheric driving data on pressure levels
Other 6-hourly and monthly mean fields :
on 23 pressure levels (1, 2, 3, 5, 7, 10, 20, 30, 50, 70, 100, 150, 200, 250, 300, 400, 500, 600, 700, 775, 850, 925, 1000 hPa) :
| NAME | DESCRIPTION | UNIT |
|---|---|---|
| TT | Air temperature | C |
| GZ | Geopotential | gdm |
| HU | Specific humidity | kg/kg |
| HR | Relative humidity | % |
| UU | U wind component | knots |
| VV | V wind component | knots |
| WP | vertical velocity | Pa/s |
| DD | Divergence | 1/s |
| QR | Relative vorticity | 1/s |
| PVOR | Potential vorticity | |
| OZ | Ozone gas | ppb |
on model levels :
| ACC | NAME | LEVEL | DESCRIPTION | UNIT |
|---|---|---|---|---|
| GL | Sea-ice cover | 0-1 | ||
| I0 |
1-4 |
Soil temperature level 1-4 | K | |
| I1 |
1-4 |
Volumetric soil water layer 1-4 | m3/m3 | |
| I5 |
SWE, Snow depth (m of equivalent water) SNOMA(I5)=1000*SNORO(7S)*SD |
m | ||
| I7 |
1-4 |
Ice surface temperature layer 1-4 | K | |
| A |
O7 | Snow evaporation (m of water) | m/s | |
| A |
SMLT | Snowmelt (m of water) | m/s | |
| CWTR | Total column water (liquid+Ice+Vapour) (kg/m**2) | kg/m2 | ||
| PW | Total column water vapour (kg/m**2) | kg/m2 | ||
| A |
AE |
Stratiform precipitation (Large-scale precipitation) | m/s | |
| A |
PC | Convective precipitation | m/s | |
| A |
SN |
Snowfall (convective + stratiform) | m/s | |
| A |
AH |
Surface sensible heat flux | W/m2 | |
| A |
AV |
Surface latent heat flux | W/m2 | |
| PN |
Mean sea level pressure | hPa | ||
| H |
Boundary layer height | m | ||
| NT |
Total cloud cover (instantaneous) | 0-1 | ||
| UU |
1sg |
10 metre U wind component | knots | |
| VV |
1sg | 10 metre V wind component | knots | |
| TT |
1sg | 2 metre temperature | C | |
| TD |
1sg | 2 metre dewpoint temperature | C | |
| A |
N4 |
Surface solar radiation downwards = AS/(1-AL(5)) | W/m2 | |
| A |
AD |
Surface thermal radiation downwards | W/m2 | |
| A |
AS |
Surface solar radiation | W/m2 | |
| A |
AI |
Surface thermal radiation | W/m2 | |
| A |
TOAS |
Top solar radiation = (AB-AU) | W/m2 | |
| A |
AR |
Top thermal radiation | W/m2 | |
| A |
S7 |
East-West surface stress | (N/m2) | |
| A |
S8 |
North-South surface stress | (N/m2) | |
| A |
EVAP |
Evaporation (m of water) | m/s | |
| NB |
Low cloud cover | 0-1 | ||
| NM |
Medium cloud cover | 0-1 | ||
| NH |
High cloud cover | 0-1 | ||
| A |
UG |
Latitudinal component of gravity wave stress | m/s3 | |
| A |
V6 |
Meridional component of gravity wave stress | m/s3 | |
| A |
N0 |
Runoff (m of water) | m/s | |
| O3 |
Total column ozone (kg/m**2) | kg/m2 | ||
| A |
SN_C |
Top net solar radiation, clear sky | W/m2 | |
| A |
LN_C |
Top net thermal radiation, clear sky | W/m2 | |
| A |
SN_C |
Surface net solar radiation, clear sky | W/m2 | |
| A |
LN_C |
Surface net thermal radiation, clear sky | W/m2 | |
| WV_H |
Significant wave height | |||
| WV_D |
Mean wave direction | |||
| WV_P |
Mean wave period | |||
| TN |
Temperature of snow layer | K |
ERA-Interim
Period : 198901 - 200901
Horizontal grid : 181x91 (2.0 deg) B grid (CMC/RPN)
Vertical info : 22 pressure levels from 10 hPa to 1000 hPa
Data source : Colin Jones, SMHI
Driving data : Atmospheric driving data on pressure levels
SST & sea ice
Location : ~data/Validation/ERA-Interim
ERA-Interim, 1.5 degree
Period : 197901 - 201212
Horizontal grid : 241x121 (1.5 deg) B grid (CMC/RPN)
Vertical info : 34 pressure levels from 5 hPa to 1000 hPa
Data source : Michel Giguere, Ouranos
Driving data : 6-houtly atmospheric driving data on pressure levels (TT, HU, UU, VV, GZ, P0)
6-houtly SST & sea ice
CLASS offline driving data : 3- and 6-houly : PR, AD, N4
6-houly : TT, UV, HU, P0
Data source : Camille Garnaud, UQAM
Location : ~data/Validation/ERA-Interim_1.5
ERA-Interim, 0.75 degree
Period : 197901 - 201412
Horizontal grid : 481x241 (0.75 deg) B grid (CMC/RPN)
NOTE: Seems that there are some "problems" with the ECMWF sea ice cover fraction:
2003.10.22 06Z – 2003.10.23 00Z (Overestimated ice Baffin Bay, Greenland Sea)
2006.10.29 12Z – 2006.10.30 06Z (Laplev/Kara Sea hole)
2006.12.01 12Z – 2006.12.02 06Z (Chukchi/Beaufort Sea hole)
2008.03.08 12Z – 2008.03.09 06Z (Underestimate Labrador Sea, Gulf of St. Lawrence)
2008.04.03 12Z – 2008.04.04 06Z (Chukchi, Hudson/Baffin Bay holes)
2012.07.11 06Z – 2012.07.14 00Z (Ice-free North Pole)
2012.07.14 06Z – 2012.07.15 00Z (North of Greenland hole)
2013.01.20 06Z – 18Z (Ice-free Bering Strait/Sea)
Validation data :
Location: ~data/Validation/ERA-Interim_0.75
CRCM5 driving data : 6-hourly atmospheric driving data on pressure levels (TT, HU, UU, VV, GZ, P0)
6-hourly SST & sea ice
Location : ~data/Driving_data/Pilots/ERA-Interim_0.75
Data source : Michel Giguere, Ouranos and ECMWF
CLASS offline driving data : 3-hourly forecast : TT, UV, HU, P0, PR, AD, N4
6-hourly analysis : TT, UV, HU, P0 + 6-hourly forecast : PR, AD, N4
Location : ~data/Driving_data/Offline/ERA-Interim_0.75
Data source : http://apps.ecmwf.int/datasets
6-hourly analysis, 2-D
| NAME | DESCRIPTION | UNIT |
|---|---|---|
| TT | 2m temperature | oC |
| TD | 2m dew point temperature | oC |
| HU | 2m specific humidity | kg/kg |
| P0 |
Surface pressure |
hPa |
| UU | 10m U wind component | knots |
| VV | 10m V wind component | knots |
| UV | 10m wind speed |
knots |
Location : ~data/Driving_data/Offline/ERA-Interim_0.75/6h_Analysis
Data source : http://apps.ecmwf.int/datasets
3-hourly forecast, 2-D
| NAME | DESCRIPTION | UNIT |
|---|---|---|
| TT | 2m temperature | oC |
| TD | 2m dew pont temperature | oC |
| HU | 2m specific humidity | kg/kg |
| P0 |
Surface pressure |
hPa |
| UU | 10m U wind component | knots |
| VV | 10m V wind component | knots |
| UV | 10m wind speed |
knots |
| AS | Sensible heatflux | W/m2 |
| AV | Latent heatflux | W/m2 |
| AD | Surface thermal radiation downwards | W/m2 |
| N4 | Surface solar radiation downwards | W/m2 |
| AI |
Surface thermal radiation | W/m2 |
| AS |
Surface solar radiation | W/m2 |
| PR |
Total precipitation |
m/s |
Location : ~data/Driving_data/Offline/ERA-Interim_0.75/3h_Forecast
Data source : http://apps.ecmwf.int/datasets
2-D monthly mean fields
Period : 197901 - 201412
Horizontal grid : 481x241 (0.75 deg) B grid (CMC/RPN)
Data source : http://apps.ecmwf.int/datasets/data/interim-full-moda/
Location : ~data/Validation/ERA-Interim_0.75/Monthly_means
ERA5
ERA5-Land
AMMA
Period : 200605 - 200609
Horizontal grid : Atlantic Africa area, 0.5x0.5deg
Data source : http://bddamma.ipsl.polytechnique.fr/ecmwf-amma-re-analysis-2.html
Location : ~data/Validation/AMMA
Data policy: http://bddamma.ipsl.polytechnique.fr/data-policy.html
Before using these data please read the CONDITIONS OF USE
2-D fields:
| NAME | DESCRIPTION | UNIT |
|---|---|---|
| MG | Land-sea mask | [0-1] |
| GZ | Geopotential | dam |
| PN | Mean sea level pressure | hPa |
| J8 | Skin temperature | Kelvin |
| TM | SST | Kelvin |
| TT | 2m temperature | oC |
| UU | 10m U wind component | knots |
| VV | 10m V wind component | knots |
| PC | Convective precipitation | m/s |
| AE | Large scale precipitation | m/s |
| AL |
Albedo | [0-1] |
| IWVM |
Total column water vapor | kg/m2 |
Fields on pressure levels: 1000, 950, 925, 900, 850, 800, 700, 600, 500, 400, 300, 250, 200, 150, 100, 70, 50, 30, 20, 10, 7, 5, 3, 2, 1
| NAME | DESCRIPTION | UNIT |
|---|---|---|
| TT | Air temperature |
oC |
| UU | U wind component |
knots |
| VV | V wind component |
knots |
| WW | Vertical wind component | Pa/s |
| QR | Relative vorticity |
s-1 |
| HR | Relative humidity | % |
| GZ | Geopotential | dam |
Fields on model levels:
| NAME | DESCRIPTION | UNIT |
|---|---|---|
| PR | Total precipitation |
m/s |
JRA25
Period : 197901 - 201212
Horizontal grid : 289x145 (1.25 deg) L grid (CMC/RPN)
Vertical info : 23 pressure levels from 0.4 hPa to 1000 hPa
Documentation : http://jra.kishou.go.jp/JRA-25/AboutJRA25_en.html
http://jra.kishou.go.jp/JRA-25/JRA25quality_en.html
Driving data : Atmospheric driving data on pressure levels
Location : ~data/Driving_data/Pilots/JRA25
Analysis
CaPA
Periods : June 2011/12/13/14/15 and 201601 - 201712
Horizontal grid : North America (regional model)
Spacial resolution : ~10 km
Temporal resolution : 6- and 24-hourly
Data source : CMC/RPN
Location : ~data/Validation/CaPA
Fields :
| NAME | DESCRIPTION | UNIT |
|---|---|---|
| PR | Total precipitation | m/s |
| CFIA | Standard error |
CaPA_fine
Periods : 201803 - 201712
Horizontal grid : North America (regional model)
Spacial resolution : 2.5 km
Temporal resolution : 6-hourly
Data source : CMC/RPN
Location : ~data/Validation/CaPA_fine
Fields :
| NAME | DESCRIPTION | UNIT |
|---|---|---|
| PR | Total precipitation | m/s |
ECMWF
Period : 199609 - 200807
Horizontal grid : 181x91 (2.0 deg) L grid (CMC/RPN)
Vertical info : 18 pressure levels from 10 hPa to 1000 hPa
Data source : Colin Jones, SMHI
Driving data : Atmospheric driving data on pressure levels
SST & sea ice
Location : marvin:/local/sata1/data/ECMWF
Canadian Meteorological Centre (CMC) Daily Snow Depth Analysis Data
The data and documentation can be accessed from here: http://nsidc.org/data/nsidc-0447. The dataset contains snow depth and snow water equivalent variables.
Observations
CMORPH
Period : 2003 - 2010, there are missing time periods'!!!'
Spacial coverage : 60°N - 60°S
Spacial resolution : 0.25 deg
Temporal resolution : 3-hourly
Fields :
| PR | precipitation rate [m/s] |
Location : ~data/Validation/CMORPH
Source : http://www.cpc.ncep.noaa.gov/products/janowiak/cmorph_description.html
CPC_USA
Period : 194801 - 201212
Spacial coverage : Continental USA
Spacial resolution : 0.25 deg
Temporal resolution : daily & monthly means
Fields :
| PR | precipitation [m/s] |
Location : ~data/Validation/CPC_USA
Documentation : http://www.esrl.noaa.gov/psd/data/gridded/data.unified.html
CRU
Period : 190101 - 200212
Spacial coverage : global, land only
Spacial resolution : 0.5 deg
Temporal resolution : monthly means
Fields :
| PR | precipitation [mm/day] |
| TT | 2m temperature [°C] |
| T5 |
2m min temperature [°C] |
| T9 |
2m max temperature [°C] |
| DTR |
diurnal temperature range [°C] |
| NF | 2-D cloud cover [0-1] |
| FRS | frost days [days] |
| WET |
wet days [days] |
| VAP | vapor pressure [hPa] |
Location : ~data/Validation/CRU
Source : http://www.cru.uea.ac.uk/cru/data/hrg
CRU_TS_3.1
Period : 190101 - 200912
Spacial coverage : global, land only
Spacial resolution : 0.5 deg
Temporal resolution : monthly means
Fields :
| PR | precipitation [m/s] |
| TT | 2m temperature [°C] |
| T5 |
2m min temperature [°C] |
| T9 |
2m max temperature [°C] |
| DTR |
diurnal temperature range [°C] |
| NF | 2-D cloud cover [0-1] |
| FRS | frost days [days] |
| WET |
wet days [days] |
| VAP | vapor pressure [hPa] |
Location : ~data/Validation/CRU_TS_3.1
Source : http://www.cru.uea.ac.uk/cru/data/hrg
CRU_TS_3.23
Period : 190101 - 201412
Spacial coverage : global, land only
Spacial resolution : 0.5 deg
Temporal resolution : monthly means
Fields :
| PR | precipitation [m/s] |
| TT | 2m temperature [°C] |
| T5 |
2m min temperature [°C] |
| T9 |
2m max temperature [°C] |
| NF | 2-D cloud cover [0-1] |
Location : ~data/Validation/CRU_TS_3.23
Source : http://www.cru.uea.ac.uk/cru/data/hrg
CRU_TS_3.24.01
Period : 190101 - 201512
Spacial coverage : global, land only
Spacial resolution : 0.5 deg
Temporal resolution : monthly means
Fields :
| PR | precipitation [m/s] |
| TT | 2m temperature [°C] |
| T5 |
2m min temperature [°C] |
| T9 |
2m max temperature [°C] |
| NF | 2-D cloud cover [0-1] |
Location : ~data/Validation/CRU_TS_3.24.01/RPN
Source : http://www.cru.uea.ac.uk/cru/data/hrg
CRU_TS_4.03
Period : 190101 - 201812
Spacial coverage : global, land only
Spacial resolution : 0.5 deg
Temporal resolution : monthly means
Fields :
| PR | precipitation [m/s] |
| TT | 2m temperature [°C] |
| T5 |
2m min temperature [°C] |
| T9 |
2m max temperature [°C] |
| DTR |
diurnal temperature range [°C] |
| NF | 2-D cloud cover [0-1] |
| FRS | frost days [days] |
| WET |
wet days [days] |
| VAP | vapor pressure [hPa] |
| PET | potential evapotranspiration [mm/day] |
Location : ~data/Validation/CRU_TS_4.03
Source : http://www.cru.uea.ac.uk/cru/data/hrg
Daymet
Period : 1980 - 2016
Spacial coverage : North America, land only; grid: lambert conformal conic
Spacial resolution : 1 km
Temporal resolution : daily values
Fields :
| PR | precipitation [mm/day] |
| TT | 2m temperature [°C] |
| T5 |
2m min temperature [°C] |
| T9 |
2m max temperature [°C] |
| SWE | Snow water equivalent [kg/m2] |
Location : ~data/Validation/Daymet
Source : https://daymet.ornl.gov
Daymet (Thornton et al., 2016; Thornton et al., 1997) est un ensemble de données à 1 km sur une projection conique conforme de Lambert issu de l’interpolation de données de station. Les données sont disponibles une fois par jour. La valeur de SWE disponible dans daymet a été été calculée dans le cadre de l’algorithme de calcul de la radiation solaire quotidienne afin d’en réduire le biais et donc est une valeur estimée.
E-Obs
Period : 1950 - 2012
Spacial coverage : Europe, land only
Spacial resolution : 0.25°
Temporal resolution : daily values
Fields :
| PR | precipitation [m/s] |
| TT | 2m temperature [°C] |
| T5 |
2m min temperature [°K] |
| T9 |
2m max temperature [°K] |
| PN | surface pressure [hPa] |
Location : ~data/Validation/E-Obs
Source : https://www.ecad.eu/download/ensembles/download.php
GLDAS
Period : 197901 - 201205
Spacial coverage : quasi global (90°N - 60°S), land only
Spacial resolution : 1.0 deg
Temporal resolution : monthly means
Fields :
| TRAF | surface runoff | [mm/s] |
| TDRA | bottom drainage | [mm/s] |
| AD | surface thermal radiation downwards | [W/m2] |
| N4 | surface solar radiation downwards = AS/(1-AL(5)) |
[W/m2] |
| PR | total precipitation | [m/s] |
| N2 | rainfall, liquid precipitation | [m/s] |
| SN | snowfall | [m/s] |
| MS | snowmelt | [mm/s] |
| I1I2 | soil moisture 3 layers: 0.00-0.10, 0.10-''''1.60, 1.60-1.90 |
[m3/m3] |
| TCWS | total canopy water storage | [kg/m2] |
| I5 | SWE, snow water equivalent | [kg/m2] |
| EVAP | evaporation | [mm/s] |
| HU | near-surface specific humidity | [kg/kg] |
| UV | near-surface wind speed | [knots] |
| TT | near-surface temperature |
[0C] |
| P0 | surface pressure | [hPa] |
Location : ~data/Validation/GLDAS/RPN
Source : Samira Ben Said
GlobSnow
Period : 197909 - 201305
Spacial coverage : Northern hemisphere
Spacial resolution : 25 X 25 km2 (EASE-grid)
Temporal resolution : monthly
Fields :
| SWE_avg | Snow water equivalent,monthly average [mm] |
| SWE_max | Snow water equivalent,monthly maximum [mm] |
Location : ~data/Validation/GlobSnow
Source : Sasha Huziy
GRDC
Period : climatology
Spacial coverage : 83°N - 55.5°S, with missing values
Spacial resolution : 0.5 deg
Temporal resolution : climatology, annual & monthly means
Fields :
| RFAC | total runoff [mm/s] |
Location : ~data/Validation/GRDC
Source : http://www.grdc.sr.unh.edu/html/Runoff/index.html
GPCC_v7_05
Period : 190101 - 201312
Spacial coverage : global, land only
Spacial resolution : 0.5 deg
Temporal resolution : monthly means
Fields :
| PR | precipitation [m/s] |
| S | number of gauges [#] |
Location : ~data/Validation/GPCC_v7_05
Source : ftp://ftp.dwd.de/pub/data/gpcc/html/fulldata_v7_doi_download.html
GPCP2
Period: v1.1: 199610 - 200906
v1.2: 199610 - 201502
Spacial coverage : global, with a few missing values
Spacial resolution : 1.0 deg
Temporal resolution : daily & monthly means
Fields :
| PR | precipitation [m/s] |
Location : ~data/Validation/GPCP2
Source : http://www.esrl.noaa.gov/psd/data/gridded/data.gpcp.html
GPCP_v2.2
Period: 197901 - 201510
Spacial coverage : global
Spacial resolution : 2.5 deg
Temporal resolution : monthly means
Fields :
| PR | precipitation [m/s] |
Location : ~data/Validation/GPCP_v2.2/Monthly_means
Source : http://www.esrl.noaa.gov/psd/data/gridded/data.gpcp.html
MODIS
Period : 2012
Spacial coverage : North America, land only
Spacial resolution : 0.5 deg
Temporal resolution : 8 daily
Fields :
| LAI | leaf area index[???] |
Location : ~data/Validation/MODIS
Source : RPN
podaac
Period : 201101 - 201609
Spacial coverage : Global
Spacial resolution : 0.2 degrees
Temporal resolution : daily
Fields :
| SIC | Sea surface temperature |
Location : ~data/Validation/podaac
Source : Nicolas Gasset; https://podaac.jpl.nasa.gov/dataset/CMC0.2deg-CMC-L4-GLOB-v2.0
TRMM
Version 6
Period : 199801 - 200912
Spacial coverage : 50°N - 50°S, with missing values
WARNING: Data before February 2000 & north of 40°N might not be trustworthy!!!
Spacial resolution : 0.25 deg
Temporal resolution : 3-hourly, daily & monthly means
Fields :
| PR | precipitation rate [m/s] |
Location : ~data/Validation/TRMM
Source : Grigory Nicolin, SMHI
Version 7
Period : 199801 - 201501
Spacial coverage : 50°N - 50°S, with missing values
Spacial resolution : 0.25 deg
Temporal resolution : 3-hourly
Fields :
| RT | precipitation rate [m/s] |
| HQRT | high quality precipitation rate [m/s] |
| IRRT | IR precipitation rate [m/s] |
| RTER | precipitation RMS error [m/s] |
| PSRC | precipitation source [1-50] |
| TIME | observation time [s] |
Location : ~data/Validation/TRMM/3_hourly_v7
Source : http://disc.sci.gsfc.nasa.gov
Information : http://mirador.gsfc.nasa.gov/collections/TRMM_3B42__007.shtml
UDel - Willmott & Matsuura
Period : 1900 - 2014
Spacial coverage : global, land only
Spacial resolution : 0.5 deg
Temporal resolution : monthly means
Fields :
| PR | precipitation [m/s] |
| TT | 2m temperature [°C] |
Location : ~data/Validation/UDel
Source : http://www.esrl.noaa.gov/psd/data/gridded/data.UDel_AirT_Precip.html#plot
