Which data assimilation method to use? How to handle practically the theoretical issues? How to handle uncertainties? Our recent review paper aims at providing the theoretical background to confront head-on the problem of data assimilation and a few examples of realistic applications as illustrations.
Data assimilation in the geosciences: An overview of methods, issues, and perspectives. Wiley Interdisciplinary Reviews: Climate Change [Internet]. 2018;9(5):e535. http://doi.wiley.com/10.1002/wcc.2018.9.issue-5 .