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Reply to ‘‘Comments on Tangent linear and adjoint of ‘on–off’ processes and their feasibility for use in 4-dimensional variational data assimilation’’ Cover

Reply to ‘‘Comments on Tangent linear and adjoint of ‘on–off’ processes and their feasibility for use in 4-dimensional variational data assimilation’’

By:   
Open Access
|Jan 1998

References

  1. Fischer , M. and P. Courtier , 1995. Estimating the covariance matrices of analysis and forecast error in variational data assimilation. Technical Memorandum, no. 220, ECMWF, Reading, UK.
  2. Navon , I. M. , Zou , X. , Derber , J. and Sela , J . 1992 . Variational data assimilation with an adiabatic version of the NMC spectral model. Mon. Wea. Re v . 120 , 1433 1446 .
  3. Xu , Q ., 1996 . Generalized adjoint for physical processes with parameterized discontinuities — Part I: basic issues and heuristic examples. J. Atmos. Sc i . 53 , 1123 1142 .
  4. Zou , X. , I. M. Navon and F. X. Le Dimet , 1992 . Incom-plete observations and control of gravity waves in variational data assimilation . Tellus 44A , 273 296 .
  5. Zou , X. , I. M. Navon , M. Berger , Paul , K. H. Phua, T. Schlick , and F. X. LeDimet , 1993a . Numerical experience with limited-memory quasi-Newton and truncated-Newton methods . SIAM Journal on Optimization 3 , 582 608 .
  6. Zou , X. , Navon , I. M. and J. G. Sela , 1993b . Variational data assimilation with moist threshold processes using the NMC spectral model . Tellus 45A , 370 387 .
  7. Zou , X. and Y.-H. Kuo , 1996 . Rainfall assimilation through an optimal control of initial and boundary conditions in a limited-area mesoscale model. Mon. Wea. Re v . 124 , 2859 2882 .
  8. Zou , X ., 1997 . Tangent linear and adjoint of “on—off” processes and their feasibility for use in 4-dimensional variational data assimilation . Tellus 49A , 3 31 .
Language: English
Page range: 657 - 664
Submitted on: Nov 5, 1997
Accepted on: Jun 15, 1998
Published on: Jan 1, 1998
Published by: Stockholm University Press
In partnership with: Paradigm Publishing Services

© 1998 X. Zou, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.