Nonlinear Processes in Geophysics
Nonlinear Processes in Geophysics
NPG
Articles | Volume 30, issue 2
Articles | Volume 30, issue 2
https://doi.org/10.5194/npg-30-237-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/npg-30-237-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 30, issue 2
Research article
 | 
29 Jun 2023
Research article |  | 29 Jun 2023

Physically constrained covariance inflation from location uncertainty

Yicun Zhen, Valentin Resseguier, and Bertrand Chapron

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Latest update: 21 Jun 2026
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Short summary
This paper provides perspective that the displacement vector field of physical state fields should be determined by the tensor fields associated with the physical fields. The advantage of this perspective is that certain physical quantities can be conserved while applying a displacement vector field to transfer the original physical field. A direct application of this perspective is the physically constrained covariance inflation scheme proposed in this paper.
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