@inbook{81368, author = {ECMWF}, title = {IFS Documentation CY48R1 - Part II: Data Assimilation}, abstract = {

Chapter 1 Overview
Chapter 2 4D variational assimilation
Chapter 3 Tangent-linear physics
Chapter 4 Background terms
Chapter 5 Observation-related processing (
Jo)
Chapter 6 Background errors
Chapter 7 Gravity-wave control
Chapter 8 Diagnostics
Chapter 9 Land-surface analysis
Chapter 10 Analysis of sea-ice concentration and SST
Chapter 11 Data flow

}, year = {2023}, journal = {IFS Documentation CY48R1}, number = {2}, month = {06/2023}, publisher = {ECMWF}, doi = {10.21957/a744f32e74}, }