SIAM News
SIAM News: Data assimilation in numerical weather prediction
SIAM News: Applying Mathematics to Data Assimilation Methods

Books
(1) Data Assimilation: A Mathematical Introduction, Authors: Law, Kody, Stuart, Andrew, Zygalakis, Konstantinos
(2) Probabilistic Forecasting and Bayesian Data Assimilation, Authors: Sebastian Reich and Colin Cotter


Conference links
Data Assimilation Research Center - University of Reading
SIAM News: Applying Mathematics to Data Assimilation Methods

Summer Schools
Oberwolfach Seminar 2016: Data Assimilation: The Mathematics of Connecting Dynamical Systems to Data
Data-Driven Methods for Reduced-Order Modeling and Stochastic Partial Differential Equations (17w5140)