Technical Note: Comparison of ensemble Kalman filter and variational approaches for CO<sub>2</sub> data assimilation

Chatterjee, A.; Michalak, A. M.

doi:https://doi.org/10.5194/acp-13-11643-2013

Articles | Volume 13, issue 23

Atmos. Chem. Phys., 13, 11643–11660, 2013

https://doi.org/10.5194/acp-13-11643-2013

© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

Atmos. Chem. Phys., 13, 11643–11660, 2013

https://doi.org/10.5194/acp-13-11643-2013

© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 13, issue 23

Research article 03 Dec 2013

Research article | 03 Dec 2013

Technical Note: Comparison of ensemble Kalman filter and variational approaches for CO₂ data assimilation

A. Chatterjee and A. M. Michalak

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Total article views: 3,929 (including HTML, PDF, and XML)

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2,098	1,715	116	3,929	78	63

HTML: 2,098
PDF: 1,715
XML: 116
Total: 3,929
BibTeX: 78
EndNote: 63

Views and downloads (calculated since 14 May 2013)

Month	HTML	PDF	XML	Total
May 2013	109	81	1	191
Jun 2013	26	22	1	49
Jul 2013	34	34	1	69
Aug 2013	7	6	1	14
Sep 2013	12	7	0	19
Oct 2013	20	18	0	38
Nov 2013	27	14	1	42
Dec 2013	151	103	6	260
Jan 2014	59	61	4	124
Feb 2014	56	33	8	97
Mar 2014	47	29	5	81
Apr 2014	28	42	2	72
May 2014	29	37	0	66
Jun 2014	18	33	1	52
Jul 2014	13	20	1	34
Aug 2014	46	62	3	111
Sep 2014	19	25	4	48
Oct 2014	23	26	5	54
Nov 2014	29	26	1	56
Dec 2014	8	19	1	28
Jan 2015	5	14	2	21
Feb 2015	21	9	2	32
Mar 2015	20	7	1	28
Apr 2015	19	4	3	26
May 2015	7	7	0	14
Jun 2015	33	4	3	40
Jul 2015	26	7	2	35
Aug 2015	10	7	2	19
Sep 2015	6	6	0	12
Oct 2015	25	6	1	32
Nov 2015	28	6	6	40
Dec 2015	5	5	4	14
Jan 2016	32	17	2	51
Feb 2016	33	9	1	43
Mar 2016	21	6	0	27
Apr 2016	9	4	2	15
May 2016	12	1	0	13
Jun 2016	14	3	1	18
Jul 2016	13	3	4	20
Aug 2016	8	2	0	10
Sep 2016	16	7	3	26
Oct 2016	12	3	0	15
Nov 2016	5	0	5
Dec 2016	2	2	0	4
Jan 2017	14	9	0	23
Feb 2017	16	9	1	26
Mar 2017	30	13	2	45
Apr 2017	32	14	0	46
May 2017	39	18	1	58
Jun 2017	22	11	2	35
Jul 2017	18	11	0	29
Aug 2017	11	11	1	23
Sep 2017	13	9	0	22
Oct 2017	13	16	0	29
Nov 2017	14	23	0	37
Dec 2017	12	19	0	31
Jan 2018	12	18	1	31
Feb 2018	11	19	0	30
Mar 2018	15	19	0	34
Apr 2018	5	6	0	11
May 2018	9	3	1	13
Jun 2018	9	10	0	19
Jul 2018	4	11	1	16
Aug 2018	9	18	0	27
Sep 2018	25	33	0	58
Oct 2018	15	16	1	32
Nov 2018	17	9	1	27
Dec 2018	19	16	1	36
Jan 2019	8	11	1	20
Feb 2019	19	15	1	35
Mar 2019	11	11	0	22
Apr 2019	25	18	0	43
May 2019	10	14	0	24
Jun 2019	18	16	0	34
Jul 2019	20	24	0	44
Aug 2019	24	34	0	58
Sep 2019	14	15	0	29
Oct 2019	18	20	0	38
Nov 2019	11	12	1	24
Dec 2019	11	14	0	25
Jan 2020	17	8	0	25
Feb 2020	16	17	0	33
Mar 2020	10	15	2	27
Apr 2020	11	13	0	24
May 2020	25	16	0	41
Jun 2020	21	3	0	24
Jul 2020	37	15	4	56
Aug 2020	13	6	5	24
Sep 2020	9	8	0	17
Oct 2020	8	9	1	18
Nov 2020	7	5	1	13
Dec 2020	25	12	0	37
Jan 2021	20	19	0	39
Feb 2021	20	12	0	32
Mar 2021	16	14	0	30
Apr 2021	19	23	0	42
May 2021	15	15	0	30
Jun 2021	17	19	0	36
Jul 2021	19	12	0	31
Aug 2021	14	14	1	29
Sep 2021	16	17	0	33
Oct 2021	11	30	1	42
Nov 2021	16	31	0	47

Cumulative views and downloads (calculated since 14 May 2013)

Month	HTML	PDF	XML	Total
May 2013	109	81	1	191
Jun 2013	26	22	1	49
Jul 2013	34	34	1	69
Aug 2013	7	6	1	14
Sep 2013	12	7	0	19
Oct 2013	20	18	0	38
Nov 2013	27	14	1	42
Dec 2013	151	103	6	260
Jan 2014	59	61	4	124
Feb 2014	56	33	8	97
Mar 2014	47	29	5	81
Apr 2014	28	42	2	72
May 2014	29	37	0	66
Jun 2014	18	33	1	52
Jul 2014	13	20	1	34
Aug 2014	46	62	3	111
Sep 2014	19	25	4	48
Oct 2014	23	26	5	54
Nov 2014	29	26	1	56
Dec 2014	8	19	1	28
Jan 2015	5	14	2	21
Feb 2015	21	9	2	32
Mar 2015	20	7	1	28
Apr 2015	19	4	3	26
May 2015	7	7	0	14
Jun 2015	33	4	3	40
Jul 2015	26	7	2	35
Aug 2015	10	7	2	19
Sep 2015	6	6	0	12
Oct 2015	25	6	1	32
Nov 2015	28	6	6	40
Dec 2015	5	5	4	14
Jan 2016	32	17	2	51
Feb 2016	33	9	1	43
Mar 2016	21	6	0	27
Apr 2016	9	4	2	15
May 2016	12	1	0	13
Jun 2016	14	3	1	18
Jul 2016	13	3	4	20
Aug 2016	8	2	0	10
Sep 2016	16	7	3	26
Oct 2016	12	3	0	15
Nov 2016	5	0	5
Dec 2016	2	2	0	4
Jan 2017	14	9	0	23
Feb 2017	16	9	1	26
Mar 2017	30	13	2	45
Apr 2017	32	14	0	46
May 2017	39	18	1	58
Jun 2017	22	11	2	35
Jul 2017	18	11	0	29
Aug 2017	11	11	1	23
Sep 2017	13	9	0	22
Oct 2017	13	16	0	29
Nov 2017	14	23	0	37
Dec 2017	12	19	0	31
Jan 2018	12	18	1	31
Feb 2018	11	19	0	30
Mar 2018	15	19	0	34
Apr 2018	5	6	0	11
May 2018	9	3	1	13
Jun 2018	9	10	0	19
Jul 2018	4	11	1	16
Aug 2018	9	18	0	27
Sep 2018	25	33	0	58
Oct 2018	15	16	1	32
Nov 2018	17	9	1	27
Dec 2018	19	16	1	36
Jan 2019	8	11	1	20
Feb 2019	19	15	1	35
Mar 2019	11	11	0	22
Apr 2019	25	18	0	43
May 2019	10	14	0	24
Jun 2019	18	16	0	34
Jul 2019	20	24	0	44
Aug 2019	24	34	0	58
Sep 2019	14	15	0	29
Oct 2019	18	20	0	38
Nov 2019	11	12	1	24
Dec 2019	11	14	0	25
Jan 2020	17	8	0	25
Feb 2020	16	17	0	33
Mar 2020	10	15	2	27
Apr 2020	11	13	0	24
May 2020	25	16	0	41
Jun 2020	21	3	0	24
Jul 2020	37	15	4	56
Aug 2020	13	6	5	24
Sep 2020	9	8	0	17
Oct 2020	8	9	1	18
Nov 2020	7	5	1	13
Dec 2020	25	12	0	37
Jan 2021	20	19	0	39
Feb 2021	20	12	0	32
Mar 2021	16	14	0	30
Apr 2021	19	23	0	42
May 2021	15	15	0	30
Jun 2021	17	19	0	36
Jul 2021	19	12	0	31
Aug 2021	14	14	1	29
Sep 2021	16	17	0	33
Oct 2021	11	30	1	42
Nov 2021	16	31	0	47

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Article

Technical Note: Comparison of ensemble Kalman filter and variational approaches for CO₂ data assimilation

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7 citations as recorded by crossref.

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Technical Note: Comparison of ensemble Kalman filter and variational approaches for CO2 data assimilation

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7 citations as recorded by crossref.

7 citations as recorded by crossref.

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Technical Note: Comparison of ensemble Kalman filter and variational approaches for CO₂ data assimilation