Obs ReAnalysis

Un article de Informaticiens département des sciences de la Terre et l'atmosphère
Version depuis le 10 de janvier 2013 à 22:06 par Katja (Discuter | changes)
Aller à: navigation, charcher

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 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

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

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


ERA-Interim, 1.5 degree

Period : 197901 - 201206
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

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

Observations

CRU

CRU_TS_3.1