Articles | Volume 26, issue 3
Nonlin. Processes Geophys., 26, 325–338, 2019
https://doi.org/10.5194/npg-26-325-2019
Nonlin. Processes Geophys., 26, 325–338, 2019
https://doi.org/10.5194/npg-26-325-2019

Research article 17 Sep 2019

Research article | 17 Sep 2019

Revising the stochastic iterative ensemble smoother

Patrick Nima Raanes et al.

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Patrick Raanes on behalf of the Authors (03 Jul 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (12 Jul 2019) by Takemasa Miyoshi
RR by Anonymous Referee #2 (24 Jul 2019)
ED: Publish as is (09 Aug 2019) by Takemasa Miyoshi
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Short summary
A popular variational ensemble smoother for data assimilation and history matching is simplified. An exact relationship between ensemble linearizations (linear regression) and adjoints (analytic derivatives) is established.