Obs ReAnalysis : Différence entre versions

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=== AMMA  ===
 
=== AMMA  ===
  
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Period&nbsp;: 200605 - 200609<br> Horizontal grid&nbsp;: Atlantic Africa area, 0.5x0.5deg<br>Data source&nbsp;:&nbsp; http://bddamma.ipsl.polytechnique.fr/ecmwf-amma-re-analysis-2.html<br>Location&nbsp;: ~data/Validation/AMMA<br>CONDITIONS&nbsp;OF&nbsp;USE: ~data/Validation/AMMA/README.txt  
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Period&nbsp;: 200605 - 200609<br> Horizontal grid&nbsp;: Atlantic Africa area, 0.5x0.5deg<br>Data source&nbsp;:&nbsp; http://bddamma.ipsl.polytechnique.fr/ecmwf-amma-re-analysis-2.html<br>Location&nbsp;: ~data/Validation/AMMA<br>Data policy: http://bddamma.ipsl.polytechnique.fr/data-policy.html<br>'''CONDITIONS&nbsp;OF&nbsp;USE''': ~data/Validation/AMMA/README.txt  
  
 
2-D fields&nbsp;:&nbsp; <br>  
 
2-D fields&nbsp;:&nbsp; <br>  
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|-
 
| AL<br>  
 
| AL<br>  
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| Albedo
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| Albedo  
 
| [0-1]
 
| [0-1]
 
|-
 
|-
 
| IWVM<br>  
 
| IWVM<br>  
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| Total column water vapor
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| Total column water vapor  
 
| kg/m<sup>2</sup>
 
| kg/m<sup>2</sup>
 
|}
 
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Version depuis le 5 de janvier 2015 à 20:49


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 - 201304
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 - 201012
Horizontal grid : 481x241 (0.75 deg) B grid (CMC/RPN)
Data source :  Jean-Philippe Paquin, UQAM

Location : ~data/Validation/ERA-Interim_0.75/Surface/Monthly_means_2D_fields


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
CONDITIONS OF USE: ~data/Validation/AMMA/README.txt

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

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

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


GPCP2

  Period: v1.1: 199610 - 200906
              v1.2: 199610 - 201301
  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


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


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 - 201308
  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


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


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


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


UDel - Willmott & Matsuura

  Period : 1900 - 2010
  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


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


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


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