@inbook{74360, author = {ECMWF}, title = {IFS Documentation CY38R1 - Part II: Data Assimilation}, abstract = {
Chapter 1 Overview
Chapter 2 4D variational assimilation
Chapter 3 Tangent-linear physics
Chapter 4 Background term
Chapter 5 Observation operators and observation cost function (Jo)
Chapter 6 Background, analysis and forecast errors
Chapter 7 Gravity-wave control
Chapter 8 Diagnostics
Chapter 9 Observation processing
Chapter 10 Observation screening C
hapter 11 Land-surface analysis
Chapter 12 Analysis of sea-ice concentration and sea surface temperature
Chapter 13 Data flow
References
Operational implementation 19 June 2012
}, language = {eng}, }