Journal article

Fundamentals of Data Assimilation

Peter Rayner, Anna M Michalak, Frédéric Chevallier

Copernicus GmbH

Abstract

Abstract. This article lays out the fundamentals of data assimilation as used in biogeochemistry. It demonstrates that all of the methods in widespread use within the field are special cases of the underlying Bayesian formalism. Methods differ in the assumptions they make and information they provide on the probability distributions used in Bayesian calculations. It thus provides a basis for comparison and choice among these methods. It also provides a standardised notation for the various quantities used in the field.

University of Melbourne Researchers

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