Obs ReAnalysis : Différence entre versions

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=== ERA40  ===
 
=== ERA40  ===
  
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Period:&nbsp; 195709 - 200208<br>Driving data:&nbsp; Atmospheric driving data on pressure levels<br>
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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>
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{| width="700" cellspacing="1" cellpadding="1" border="1" height="1147"
 +
|-
 +
| ACC
 +
| NAME
 +
| LEVEL
 +
| DESCRIPTION
 +
|-
 +
| <br>
 +
| GL
 +
| <br>
 +
| Sea-ice cover
 +
|-
 +
| <br>
 +
| I0<br>
 +
| 1-4<br>
 +
| Soil temperature level 1-4
 +
|-
 +
| <br>
 +
| I1<br>
 +
| 1-4<br>
 +
| Volumetric soil water layer 1-4
 +
|-
 +
| <br>
 +
| I5<br>
 +
| <br>
 +
| Snow depth (m of equivalent water) SNOMA(I5)=1000*SNORO(7S)*SD<br>
 +
|-
 +
| <br>
 +
| I7<br>
 +
| 1-4<br>
 +
| Ice surface temperature layer 1-4
 +
|-
 +
| A<br>
 +
| O7
 +
| <br>
 +
| Snow evaporation (m of water)
 +
|-
 +
| A<br>
 +
| SMLT
 +
| <br>
 +
| Snowmelt (m of water)
 +
|-
 +
| <br>
 +
| CWTR
 +
| <br>
 +
| Total column water (liquid+Ice+Vapour) (kg/m**2)
 +
|-
 +
| <br>
 +
| PW
 +
| <br>
 +
| Total column water vapour (kg/m**2)
 +
|-
 +
| A<br>
 +
| AE<br>
 +
| <br>
 +
| Stratiform precipitation (Large-scale precipitation)
 +
|-
 +
| A<br>
 +
| PC
 +
| <br>
 +
| Convective precipitation
 +
|-
 +
| A<br>
 +
| SN<br>
 +
| <br>
 +
| Snowfall (convective + stratiform)
 +
|-
 +
| A<br>
 +
| AH<br>
 +
| <br>
 +
| Surface sensible heat flux
 +
|-
 +
| A<br>
 +
| AV<br>
 +
| <br>
 +
| Surface latent heat flux
 +
|-
 +
| <br>
 +
| PN<br>
 +
| <br>
 +
| Mean sea level pressure
 +
|-
 +
| <br>
 +
| H<br>
 +
| <br>
 +
| Boundary layer height
 +
|-
 +
| <br>
 +
| NT<br>
 +
| <br>
 +
| Total cloud cover (instantaneous)
 +
|-
 +
| <br>
 +
| UU<br>
 +
| <br>
 +
| 10 metre U wind component
 +
|-
 +
| <br>
 +
| VV<br>
 +
| <br>
 +
| 10 metre V wind component
 +
|-
 +
| <br>
 +
| TT<br>
 +
| <br>
 +
| 2 metre temperature
 +
|-
 +
| <br>
 +
| TD<br>
 +
| <br>
 +
| 2 metre dewpoint temperature
 +
|-
 +
| A<br>
 +
| SWD<br>
 +
| <br>
 +
| Surface solar radiation downwards = AS/(1-AL(5))
 +
|-
 +
| A<br>
 +
| AD<br>
 +
| <br>
 +
| Surface thermal radiation downwards
 +
|-
 +
| A<br>
 +
| AS<br>
 +
| <br>
 +
| Surface solar radiation
 +
|-
 +
| A<br>
 +
| AI<br>
 +
| <br>
 +
| Surface thermal radiation
 +
|-
 +
| A<br>
 +
| TOAS<br>
 +
| <br>
 +
| Top solar radiation = (AB-AU)
 +
|-
 +
| A<br>
 +
| AR<br>
 +
| <br>
 +
| Top thermal radiation
 +
|-
 +
| A<br>
 +
| S7<br>
 +
| <br>
 +
| East-West surface stress
 +
|-
 +
| A<br>
 +
| S8<br>
 +
| <br>
 +
| North-South surface stress
 +
|-
 +
| A<br>
 +
| EVAP<br>
 +
| <br>
 +
| Evaporation (m of water)
 +
|-
 +
| <br>
 +
| NB<br>
 +
| <br>
 +
| Low cloud cover
 +
|-
 +
| <br>
 +
| NM<br>
 +
| <br>
 +
| Medium cloud cover
 +
|-
 +
| <br>
 +
| NH<br>
 +
| <br>
 +
| High cloud cover
 +
|-
 +
| A<br>
 +
| UG<br>
 +
| <br>
 +
| Latitudinal component of gravity wave stress
 +
|-
 +
| A<br>
 +
| V6<br>
 +
| <br>
 +
| Meridional component of gravity wave stress
 +
|-
 +
| A<br>
 +
| N0<br>
 +
| <br>
 +
| Runoff (m of water)
 +
|-
 +
| <br>
 +
| O3<br>
 +
| <br>
 +
| Total column ozone (kg/m**2)
 +
|-
 +
| A<br>
 +
| SN_C<br>
 +
| <br>
 +
| Top net solar radiation, clear sky
 +
|-
 +
| A<br>
 +
| LN_C<br>
 +
| <br>
 +
| Top net thermal radiation, clear sky
 +
|-
 +
| A<br>
 +
| SN_C<br>
 +
| <br>
 +
| Surface net solar radiation, clear sky
 +
|-
 +
| A<br>
 +
| LN_C<br>
 +
| <br>
 +
| Surface net thermal radiation, clear sky
 +
|-
 +
| <br>
 +
| WV_H<br>
 +
| <br>
 +
| Significant wave height
 +
|-
 +
| <br>
 +
| WV_D<br>
 +
| <br>
 +
| Mean wave direction
 +
|-
 +
| <br>
 +
| WV_P<br>
 +
| <br>
 +
| Mean wave period
 +
|-
 +
| <br>
 +
| TN<br>
 +
| <br>
 +
| Temperature of snow layer
 +
|}
 +
 
 +
&nbsp;<br><br>
  
 
=== ERA-Interim  ===
 
=== ERA-Interim  ===
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=== JRA25  ===
 
=== JRA25  ===
−
 
−
 
  
 
= Analysis  =
 
= Analysis  =
  
 
=== ECMWF  ===
 
=== ECMWF  ===
−
 
−
 
  
 
= Observations  =
 
= Observations  =

Version depuis le 10 de janvier 2013 à 21:10

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 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) :
    TT, GZ, HU, HR, UU, VV, WP, DD, QR, PVOR (potential vorticity), OZ.
  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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