Question 1
Which method is commonly used in data assimilation to sequentially update the state estimate as new observations become available?
Question 2
In the context of data assimilation, what is the primary function of the "observation operator" (H)?
Question 3
Which of the following best describes the "innovation" or "observation increment" in data assimilation?
Question 4
What is a key challenge in reanalysis production related to the long-term consistency of the dataset?
Question 5
When combining observations with models, what does a larger "observation error covariance" imply about the observations?
