Obs ReAnalysis : Différence entre versions

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Version depuis le 12 d'avril 2013 à 17:35

All data should are accessible from all UQAM servers - unless specified otherwise

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 : /st1_fs2/winger/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 : /st1_fs2/winger/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 riving data : 3- and 6-houly : PR, AD, N4
                                                                 6-houly            : TT, UV, HU, P0

Location : /st1_fs2/winger/ERA-Interim_1.5


ERA-Interim, 0.75 degree

Period : 197901 - 201012
Horizontal grid : 481x241 (1.5 deg) B grid (CMC/RPN)
Data source :  Jean-Philippe Paquin, UQAM
2-D monthly mean fields

Location : /st1_fs2/winger/ERA-Interim_0.75


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 : skynet3:/skynet3_rech1/dugas/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


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 : /st1_fs3/winger/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 : /st1_fs2/winger/Validation/CRU_TS_3.1
  Source : http://www.cru.uea.ac.uk/cru/data/hrg


GPCP2

  Period : 199610 - 200906
  Spacial coverage :  global
  Spacial resolution :  1.0 deg
  Temporal resolution :  daily & monthly means
  Fields :

 PR  precipitation [m/s]

  Location : /st1_fs3/winger/Validation/GPCP2
  Source : http://www.esrl.noaa.gov/psd/data/gridded/data.gpcp.html


CPC_USA

  Period : 194801 - 201206
  Spacial coverage :  Continental USA
  Spacial resolution :  0.25 deg
  Temporal resolution :  daily & monthly means
  Fields :

 PR  precipitation [m/s]

  Location : /st1_fs3/winger/Validation/CPC_USA
  Documentation : http://www.esrl.noaa.gov/psd/data/gridded/data.unified.html


TRMM

  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 [m/s]

  Location : /st1_fs2/winger/Validation/TRMM
  Source : Grigory Nicolin, SMHI


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 : /st1_fs2/winger/Validation/GRDC
  Source : http://www.grdc.sr.unh.edu/html/Runoff/index.html


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