Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Research › peer-review
Sequential variational data assimilation algorithms at the splitting stages of a numerical atmospheric chemistry model. / Penenko, Alexey; Penenko, Vladimir; Tsvetova, Elena et al.
Large-Scale Scientific Computing - 11th International Conference, LSSC 2017, Revised Selected Papers. ed. / Lirkov; S Margenov. Springer-Verlag GmbH and Co. KG, 2018. p. 536-543 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 10665 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Research › peer-review
}
TY - GEN
T1 - Sequential variational data assimilation algorithms at the splitting stages of a numerical atmospheric chemistry model
AU - Penenko, Alexey
AU - Penenko, Vladimir
AU - Tsvetova, Elena
AU - Grishina, Anastasia
AU - Antokhin, Pavel
N1 - Publisher Copyright: © Springer International Publishing AG 2018.
PY - 2018/1/1
Y1 - 2018/1/1
N2 - A variational data assimilation algorithm is studied numerically. In situ concentration measurement data are assimilated into transport and transformation model of atmospheric chemistry. The algorithm is based on decomposition and splitting methods with solution of variational data assimilation problems for separate splitting stages. A direct algorithm without iterations is used for the linear transport stage. An iterative gradient algorithm is applied for data assimilation at the non-linear chemical transformation stage. In a realistic numerical experiment, the contributions of data assimilation algorithms for the different splitting stages are compared.
AB - A variational data assimilation algorithm is studied numerically. In situ concentration measurement data are assimilated into transport and transformation model of atmospheric chemistry. The algorithm is based on decomposition and splitting methods with solution of variational data assimilation problems for separate splitting stages. A direct algorithm without iterations is used for the linear transport stage. An iterative gradient algorithm is applied for data assimilation at the non-linear chemical transformation stage. In a realistic numerical experiment, the contributions of data assimilation algorithms for the different splitting stages are compared.
KW - Advection-diffusion-reaction models
KW - Splitting
KW - Variational data assimilation
UR - http://www.scopus.com/inward/record.url?scp=85041715534&partnerID=8YFLogxK
U2 - 10.1007/978-3-319-73441-5_59
DO - 10.1007/978-3-319-73441-5_59
M3 - Conference contribution
AN - SCOPUS:85041715534
SN - 9783319734408
T3 - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
SP - 536
EP - 543
BT - Large-Scale Scientific Computing - 11th International Conference, LSSC 2017, Revised Selected Papers
A2 - Lirkov, null
A2 - Margenov, S
PB - Springer-Verlag GmbH and Co. KG
T2 - 11th International Conference on Large-Scale Scientific Computations, LSSC 2017
Y2 - 11 September 2017 through 15 September 2017
ER -
ID: 10452401