The Workshop on Re-analysis was held at ECMWF from 5 to 9 November 2001.

Description

Reanalysis products from NCEP, NASA and ECMWF have been widely used and continue to be used in a large number of scientific applications. The current ECMWF reanalysis ERA-40 has been designed taking into account the main areas of criticism concerning the ERA-15 analyses and also, before production, the expert opinions of an External Scientific Advisory Group. Extensive tests were carried out with the proposed system over limited periods before it was accepted for production.

The workshop was both active and innovative, resulting in changes to the use of radiances in ERA-40. The effects of the changes benefit in particular the quality of analyses of the global hydrological cycle and of temperature over polar regions for the rest of the production and in a possible rerun. Among the discussions a strong view was expressed for a wider and easier access tot he ERA-40 data for the worldwide research community, which in itself is a positive quality statement by the users.

Documents

PDF iconIntroduction and working group reports

Proceedings

Using ERA-40 products to verify and improve the Met Office climate model

R P Allan

PDF icon

Upper stratospheric analysis: rocketsonde validation and SPARC perspective

M P Baldwin

PDF icon

River basin budgets from ERA40

A K Betts

PDF icon

ERA-40 representation of the arctic atmospheric moisture budget

D H Bromwich

PDF icon

Comparative assessment of ERA-40 wave data

S Caires

PDF icon

Cloud evaluation using satellite observations

F Chevallier

PDF icon

Analysis and forecasts of tropical cyclones in the ECMWF 40-year reanalysis (ERA-40)

M Fiorino

PDF icon

Climate and surface mass balance of the Polar ice sheets in ERA40/ERA15

C Genthon

PDF icon

Validation of precipitation from ERA40 and an ECHAM4.5 simulation nudged with ERA40 data

S Hagemann

PDF icon

Fit of ERA-40 analyses to observations

L Haimberger

PDF icon

ERA-40 observation system: TOVS/ATOVS

A Hernandez

PDF icon

Feature based analysis of re-analysis and AMIP II integrations

K I Hodges

PDF icon

Assimilation of ERS-1 and ERS-2 scatterometer wind data in ERA-40

L Isaksen

PDF icon

The preparation of global observations for reanalysis

R Jenne

PDF icon

An overview of the ERA-40 analyses

P Kallberg

PDF icon

NCEP Reanalysis Status and US National Reanalysis Program Plan

M Kanamitsu

PDF icon

Assimilation of TOVS/VTPR/SSMI radiances and use of Australilan surface PAOBs

G Kelly

PDF icon

Data services for ERA-40

D Marbouty

PDF icon

Japanese reanalysis JRA-25 plan

K Onogi

PDF icon

Radiosonde temperature bias-correction in ERA-40

K Onogi

PDF icon

Development of a European multi-model ensemble system for seasonal to interannual prediction

T N Palmer

PDF icon

HadISST1 and the Reynolds et al analysis

N Rayner

PDF icon

DAO status and plans for reanalysis

R Rood

PDF icon

Merging of the observation sources

S Saarinen

PDF icon

Representation of Arctic precipitation in ERA-40

M Serreze

PDF icon

Development of the ERA-40 data-assimilation system

A J Simmons

PDF icon

PROMISE (Predictability and variability of monsoons, and the agricultural and hydrological impacts of climate change)

J Slingo

PDF icon

Preliminary evaluation of vertically-integrated fluxes of moisture and energy from ERA-40

K E Trenberth

PDF icon

The stratosphere in ERA-40

A Untch

PDF icon

ECMWF ReAnalysis 1957-2001, ERA-40

S Uppala

PDF icon

An overview of the surface in ERA-40

P Viterbo

PDF icon

NCEP/NCAR reanalysis observation reformatting for ERA-40

J Woollen

PDF icon

Reprocessing of atmospheric motion vectors from Meteosat image data

L van de Berg

PDF icon