Obs ReAnalysis : Différence entre versions

Un article de Informaticiens département des sciences de la Terre et l'atmosphère
Aller à: navigation, charcher
m
m (ERA40)
Ligne 51: Ligne 51:
 
! scope="col" | NAME  
 
! scope="col" | NAME  
 
! scope="col" | LEVEL  
 
! scope="col" | LEVEL  
! scope="col" | DESCRIPTION
+
! scope="col" | DESCRIPTION  
 +
! scope="col" | UNIT
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| GL  
 
| GL  
 
| <br>  
 
| <br>  
| Sea-ice cover
+
| Sea-ice cover  
 +
| 0-1
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| I0<br>  
 
| I0<br>  
 
| 1-4<br>  
 
| 1-4<br>  
| Soil temperature level 1-4
+
| Soil temperature level 1-4  
 +
| K
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| I1<br>  
 
| I1<br>  
 
| 1-4<br>  
 
| 1-4<br>  
| Volumetric soil water layer 1-4
+
| Volumetric soil water layer 1-4  
 +
| m<sup>3</sup>/m<sup>3</sup>
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| I5<br>  
 
| I5<br>  
 
| <br>  
 
| <br>  
| Snow depth (m of equivalent water) SNOMA(I5)=1000*SNORO(7S)*SD<br>
+
| Snow depth (m of equivalent water) SNOMA(I5)=1000*SNORO(7S)*SD<br>  
 +
| m
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| I7<br>  
 
| I7<br>  
 
| 1-4<br>  
 
| 1-4<br>  
| Ice surface temperature layer 1-4
+
| Ice surface temperature layer 1-4  
 +
|
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| O7  
 
| O7  
 
| <br>  
 
| <br>  
| Snow evaporation (m of water)
+
| Snow evaporation (m of water)  
 +
|
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| SMLT  
 
| SMLT  
 
| <br>  
 
| <br>  
| Snowmelt (m of water)
+
| Snowmelt (m of water)  
 +
|
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| CWTR  
 
| CWTR  
 
| <br>  
 
| <br>  
| Total column water (liquid+Ice+Vapour) (kg/m**2)
+
| Total column water (liquid+Ice+Vapour) (kg/m**2)  
 +
| kg/m<sup>2</sup>
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| PW  
 
| PW  
 
| <br>  
 
| <br>  
| Total column water vapour (kg/m**2)
+
| Total column water vapour (kg/m**2)  
 +
| kg/m<sup>2</sup>
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| AE<br>  
 
| AE<br>  
 
| <br>  
 
| <br>  
| Stratiform precipitation (Large-scale precipitation)
+
| Stratiform precipitation (Large-scale precipitation)  
 +
| m/s
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| PC  
 
| PC  
 
| <br>  
 
| <br>  
| Convective precipitation
+
| Convective precipitation  
 +
| m/s
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| SN<br>  
 
| SN<br>  
 
| <br>  
 
| <br>  
| Snowfall (convective + stratiform)
+
| Snowfall (convective + stratiform)  
 +
| m/s
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| AH<br>  
 
| AH<br>  
 
| <br>  
 
| <br>  
| Surface sensible heat flux
+
| Surface sensible heat flux  
 +
| W/m<sup>2</sup>
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| AV<br>  
 
| AV<br>  
 
| <br>  
 
| <br>  
| Surface latent heat flux
+
| Surface latent heat flux  
 +
| W/m<sup>2</sup>
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| PN<br>  
 
| PN<br>  
 
| <br>  
 
| <br>  
| Mean sea level pressure
+
| Mean sea level pressure  
 +
| hPa
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| H<br>  
 
| H<br>  
 
| <br>  
 
| <br>  
| Boundary layer height
+
| Boundary layer height  
 +
|
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| NT<br>  
 
| NT<br>  
 
| <br>  
 
| <br>  
| Total cloud cover (instantaneous)
+
| Total cloud cover (instantaneous)  
 +
| 0-1
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| UU<br>  
 
| UU<br>  
| <br>  
+
| 1sg<br>  
| 10 metre U wind component
+
| 10 metre U wind component  
 +
| knots
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| VV<br>  
 
| VV<br>  
| <br>
+
| 1sg
| 10 metre V wind component
+
| 10 metre V wind component  
 +
| knots
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| TT<br>  
 
| TT<br>  
| <br>
+
| 1sg
| 2 metre temperature
+
| 2 metre temperature  
 +
| C
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| TD<br>  
 
| TD<br>  
| <br>
+
| 1sg
| 2 metre dewpoint temperature
+
| 2 metre dewpoint temperature  
 +
|
 
|-
 
|-
 
| A<br>  
 
| A<br>  
| SWD<br>  
+
| N4<br>  
 
| <br>  
 
| <br>  
| Surface solar radiation downwards = AS/(1-AL(5))
+
| Surface solar radiation downwards = AS/(1-AL(5))  
 +
| W/m<sup>2</sup>
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| AD<br>  
 
| AD<br>  
 
| <br>  
 
| <br>  
| Surface thermal radiation downwards
+
| Surface thermal radiation downwards  
 +
| W/m<sup>2</sup>
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| AS<br>  
 
| AS<br>  
 
| <br>  
 
| <br>  
| Surface solar radiation
+
| Surface solar radiation  
 +
| W/m<sup>2</sup>
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| AI<br>  
 
| AI<br>  
 
| <br>  
 
| <br>  
| Surface thermal radiation
+
| Surface thermal radiation  
 +
| W/m<sup>2</sup>
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| TOAS<br>  
 
| TOAS<br>  
 
| <br>  
 
| <br>  
| Top solar radiation = (AB-AU)
+
| Top solar radiation = (AB-AU)  
 +
| W/m<sup>2</sup>
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| AR<br>  
 
| AR<br>  
 
| <br>  
 
| <br>  
| Top thermal radiation
+
| Top thermal radiation  
 +
| W/m<sup>2</sup>
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| S7<br>  
 
| S7<br>  
 
| <br>  
 
| <br>  
| East-West surface stress
+
| East-West surface stress  
 +
|
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| S8<br>  
 
| S8<br>  
 
| <br>  
 
| <br>  
| North-South surface stress
+
| North-South surface stress  
 +
|
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| EVAP<br>  
 
| EVAP<br>  
 
| <br>  
 
| <br>  
| Evaporation (m of water)
+
| Evaporation (m of water)  
 +
|
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| NB<br>  
 
| NB<br>  
 
| <br>  
 
| <br>  
| Low cloud cover
+
| Low cloud cover  
 +
|
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| NM<br>  
 
| NM<br>  
 
| <br>  
 
| <br>  
| Medium cloud cover
+
| Medium cloud cover  
 +
|
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| NH<br>  
 
| NH<br>  
 
| <br>  
 
| <br>  
| High cloud cover
+
| High cloud cover  
 +
|
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| UG<br>  
 
| UG<br>  
 
| <br>  
 
| <br>  
| Latitudinal component of gravity wave stress
+
| Latitudinal component of gravity wave stress  
 +
|
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| V6<br>  
 
| V6<br>  
 
| <br>  
 
| <br>  
| Meridional component of gravity wave stress
+
| Meridional component of gravity wave stress  
 +
|
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| N0<br>  
 
| N0<br>  
 
| <br>  
 
| <br>  
| Runoff (m of water)
+
| Runoff (m of water)  
 +
|
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| O3<br>  
 
| O3<br>  
 
| <br>  
 
| <br>  
| Total column ozone (kg/m**2)
+
| Total column ozone (kg/m**2)  
 +
|
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| SN_C<br>  
 
| SN_C<br>  
 
| <br>  
 
| <br>  
| Top net solar radiation, clear sky
+
| Top net solar radiation, clear sky  
 +
|
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| LN_C<br>  
 
| LN_C<br>  
 
| <br>  
 
| <br>  
| Top net thermal radiation, clear sky
+
| Top net thermal radiation, clear sky  
 +
|
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| SN_C<br>  
 
| SN_C<br>  
 
| <br>  
 
| <br>  
| Surface net solar radiation, clear sky
+
| Surface net solar radiation, clear sky  
 +
|
 
|-
 
|-
 
| A<br>  
 
| A<br>  
 
| LN_C<br>  
 
| LN_C<br>  
 
| <br>  
 
| <br>  
| Surface net thermal radiation, clear sky
+
| Surface net thermal radiation, clear sky  
 +
|
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| WV_H<br>  
 
| WV_H<br>  
 
| <br>  
 
| <br>  
| Significant wave height
+
| Significant wave height  
 +
|
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| WV_D<br>  
 
| WV_D<br>  
 
| <br>  
 
| <br>  
| Mean wave direction
+
| Mean wave direction  
 +
|
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| WV_P<br>  
 
| WV_P<br>  
 
| <br>  
 
| <br>  
| Mean wave period
+
| Mean wave period  
 +
|
 
|-
 
|-
 
| <br>  
 
| <br>  
 
| TN<br>  
 
| TN<br>  
 
| <br>  
 
| <br>  
| Temperature of snow layer
+
| Temperature of snow layer  
 +
|
 
|}
 
|}
  
&nbsp;<br><br>  
+
&nbsp;<br><br>
  
 
=== ERA-Interim  ===
 
=== ERA-Interim  ===

Version depuis le 5 d'avril 2013 à 20:34

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
TT Air temperature
GZ Geopotential
HU Specific humidity
HR Relative humidity
UU U wind component
VV V wind component
WP vertical velocity
DD Divergence
QR Relative vorticity
PVOR Potential vorticity
OZ Ozone gas


  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

Snow depth (m of equivalent water) SNOMA(I5)=1000*SNORO(7S)*SD
m

I7
1-4
Ice surface temperature layer 1-4
A
O7
Snow evaporation (m of water)
A
SMLT
Snowmelt (m of water)

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

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
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
A
S8

North-South surface stress
A
EVAP

Evaporation (m of water)

NB

Low cloud cover

NM

Medium cloud cover

NH

High cloud cover
A
UG

Latitudinal component of gravity wave stress
A
V6

Meridional component of gravity wave stress
A
N0

Runoff (m of water)

O3

Total column ozone (kg/m**2)
A
SN_C

Top net solar radiation, clear sky
A
LN_C

Top net thermal radiation, clear sky
A
SN_C

Surface net solar radiation, clear sky
A
LN_C

Surface net thermal radiation, clear sky

WV_H

Significant wave height

WV_D

Mean wave direction

WV_P

Mean wave period

TN

Temperature of snow layer

 

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 - 201106
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 :  Atmospheric driving data on pressure levels
                       SST & sea ice

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_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