Obs ReAnalysis : Différence entre versions

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=== ERA40  ===
 
=== ERA40  ===
  
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Period : 195709 - 200208<br> Horizontal grid : 145x73 (2.5 deg) B grid (CMC/RPN)<br>Vertical info : 23 pressure levels from 1 hPa to 1000 hPa<br>Data source :&nbsp; http://data.ecmwf.int/data/d/era40/<br>Documentation : http://www.ecmwf.int/research/era/Products/Archive_Plan/Archive_plan_toc.html<br><br>Driving data :&nbsp; Atmospheric driving data on pressure levels<br>Other 3-hourly and monthly mean fields :&nbsp; <br>&nbsp; on pressure 23 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) : <br> &nbsp; &nbsp; TT, GZ, HU, HR, UU, VV, WP, DD, QR, PVOR (potential vorticity), OZ.<br>&nbsp; on model levels :<br><br>
+
Period&nbsp;: 195709 - 200208<br> Horizontal grid&nbsp;: 145x73 (2.5 deg) B grid (CMC/RPN)<br>Vertical info&nbsp;: 23 pressure levels from 1 hPa to 1000 hPa<br>Data source&nbsp;:&nbsp; http://data.ecmwf.int/data/d/era40/<br>Documentation&nbsp;: http://www.ecmwf.int/research/era/Products/Archive_Plan/Archive_plan_toc.html<br><br>Driving data&nbsp;:&nbsp; Atmospheric driving data on pressure levels<br>Other 3-hourly and monthly mean fields&nbsp;:&nbsp; <br><br>&nbsp; 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)&nbsp;: <br> &nbsp;  
  
−
{| width="700" cellspacing="1" cellpadding="1" border="1" height="1147"
+
{| width="200" cellspacing="1" cellpadding="1" border="1"
 
|-
 
|-
−
| ACC
+
! scope="col" | NAME
−
| NAME
+
! scope="col" | DESCRIPTION
−
| LEVEL
 
−
| DESCRIPTION
 
 
|-
 
|-
−
| <br>
+
| TT
−
| GL
+
| Air temperature
−
| <br>
+
|-
 +
| 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
 +
|}
 +
 
 +
<br>&nbsp; on model levels&nbsp;:<br><br>
 +
 
 +
{| width="700" cellspacing="1" cellpadding="1" border="1"
 +
|-
 +
! scope="col" | ACC
 +
! scope="col" | NAME
 +
! scope="col" | LEVEL
 +
! scope="col" | DESCRIPTION
 +
|-
 +
| <br>  
 +
| GL  
 +
| <br>  
 
| Sea-ice cover
 
| Sea-ice cover
 
|-
 
|-
−
| <br>
+
| <br>  
−
| I0<br>
+
| I0<br>  
−
| 1-4<br>
+
| 1-4<br>  
 
| Soil temperature level 1-4
 
| Soil temperature level 1-4
 
|-
 
|-
−
| <br>
+
| <br>  
−
| I1<br>
+
| I1<br>  
−
| 1-4<br>
+
| 1-4<br>  
 
| Volumetric soil water layer 1-4
 
| Volumetric soil water layer 1-4
 
|-
 
|-
−
| <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>
 
|-
 
|-
−
| <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)
 
|-
 
|-
−
| <br>
+
| <br>  
−
| PW
+
| PW  
−
| <br>
+
| <br>  
 
| Total column water vapour (kg/m**2)
 
| Total column water vapour (kg/m**2)
 
|-
 
|-
−
| A<br>
+
| A<br>  
−
| AE<br>
+
| AE<br>  
−
| <br>
+
| <br>  
 
| Stratiform precipitation (Large-scale precipitation)
 
| Stratiform precipitation (Large-scale precipitation)
 
|-
 
|-
−
| A<br>
+
| A<br>  
−
| PC
+
| PC  
−
| <br>
+
| <br>  
 
| Convective precipitation
 
| Convective precipitation
 
|-
 
|-
−
| A<br>
+
| A<br>  
−
| SN<br>
+
| SN<br>  
−
| <br>
+
| <br>  
 
| Snowfall (convective + stratiform)
 
| Snowfall (convective + stratiform)
 
|-
 
|-
−
| A<br>
+
| A<br>  
−
| AH<br>
+
| AH<br>  
−
| <br>
+
| <br>  
 
| Surface sensible heat flux
 
| Surface sensible heat flux
 
|-
 
|-
−
| A<br>
+
| A<br>  
−
| AV<br>
+
| AV<br>  
−
| <br>
+
| <br>  
 
| Surface latent heat flux
 
| Surface latent heat flux
 
|-
 
|-
−
| <br>
+
| <br>  
−
| PN<br>
+
| PN<br>  
−
| <br>
+
| <br>  
 
| Mean sea level pressure
 
| Mean sea level pressure
 
|-
 
|-
−
| <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)
 
|-
 
|-
−
| <br>
+
| <br>  
−
| UU<br>
+
| UU<br>  
−
| <br>
+
| <br>  
 
| 10 metre U wind component
 
| 10 metre U wind component
 
|-
 
|-
−
| <br>
+
| <br>  
−
| VV<br>
+
| VV<br>  
−
| <br>
+
| <br>  
 
| 10 metre V wind component
 
| 10 metre V wind component
 
|-
 
|-
−
| <br>
+
| <br>  
−
| TT<br>
+
| TT<br>  
−
| <br>
+
| <br>  
 
| 2 metre temperature
 
| 2 metre temperature
 
|-
 
|-
−
| <br>
+
| <br>  
−
| TD<br>
+
| TD<br>  
−
| <br>
+
| <br>  
 
| 2 metre dewpoint temperature
 
| 2 metre dewpoint temperature
 
|-
 
|-
−
| A<br>
+
| A<br>  
−
| SWD<br>
+
| SWD<br>  
−
| <br>
+
| <br>  
 
| Surface solar radiation downwards = AS/(1-AL(5))
 
| Surface solar radiation downwards = AS/(1-AL(5))
 
|-
 
|-
−
| A<br>
+
| A<br>  
−
| AD<br>
+
| AD<br>  
−
| <br>
+
| <br>  
 
| Surface thermal radiation downwards
 
| Surface thermal radiation downwards
 
|-
 
|-
−
| A<br>
+
| A<br>  
−
| AS<br>
+
| AS<br>  
−
| <br>
+
| <br>  
 
| Surface solar radiation
 
| Surface solar radiation
 
|-
 
|-
−
| A<br>
+
| A<br>  
−
| AI<br>
+
| AI<br>  
−
| <br>
+
| <br>  
 
| Surface thermal radiation
 
| Surface thermal radiation
 
|-
 
|-
−
| A<br>
+
| A<br>  
−
| TOAS<br>
+
| TOAS<br>  
−
| <br>
+
| <br>  
 
| Top solar radiation = (AB-AU)
 
| Top solar radiation = (AB-AU)
 
|-
 
|-
−
| A<br>
+
| A<br>  
−
| AR<br>
+
| AR<br>  
−
| <br>
+
| <br>  
 
| Top thermal radiation
 
| Top thermal radiation
 
|-
 
|-
−
| 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 10 de janvier 2013 à 21:16

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

Driving data :  Atmospheric driving data on pressure levels
Other 3-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

GL
Sea-ice cover

I0
 1-4
 Soil temperature level 1-4

I1
 1-4
 Volumetric soil water layer 1-4

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

 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)

PW
Total column water vapour (kg/m**2)
A
 AE
Stratiform precipitation (Large-scale precipitation)
A
 PC
Convective precipitation
A
 SN
Snowfall (convective + stratiform)
A
 AH
Surface sensible heat flux
A
 AV
Surface latent heat flux

PN
Mean sea level pressure

H
Boundary layer height

NT
Total cloud cover (instantaneous)

UU
10 metre U wind component

VV
10 metre V wind component

TT
2 metre temperature

TD
2 metre dewpoint temperature
A
 SWD
Surface solar radiation downwards = AS/(1-AL(5))
A
 AD
Surface thermal radiation downwards
A
 AS
Surface solar radiation
A
 AI
Surface thermal radiation
A
 TOAS
Top solar radiation = (AB-AU)
A
 AR
Top thermal radiation
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

ERA-Interim, 1.5 degree

JRA25

Analysis

ECMWF

Observations

CRU

CRU_TS_3.1

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