Construction of non-diagonal background error covariance matrices for global chemical data assimilation

Singh, K.; Jardak, M.; Sandu, A.; Bowman, K.; Lee, M.; Jones, D.

doi:10.5194/gmd-4-299-2011

Articles | Volume 4, issue 2

https://doi.org/10.5194/gmd-4-299-2011

© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/gmd-4-299-2011

© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 4, issue 2

Development and technical paper

|

11 Apr 2011

Development and technical paper |

| 11 Apr 2011

Construction of non-diagonal background error covariance matrices for global chemical data assimilation

K. Singh, M. Jardak, A. Sandu, K. Bowman, M. Lee, and D. Jones

Viewed

Total article views: 7,299 (including HTML, PDF, and XML)

HTML	PDF	XML	Total	BibTeX	EndNote
4,644	2,323	332	7,299	259	284

HTML: 4,644
PDF: 2,323
XML: 332
Total: 7,299
BibTeX: 259
EndNote: 284

Views and downloads (calculated since 01 Feb 2013, article published on 22 Oct 2010)

Month	HTML	PDF	XML	Total
Feb 2013	48	43	3	94
Mar 2013	40	38	4	82
Apr 2013	43	23	0	66
May 2013	50	32	3	85
Jun 2013	34	24	1	59
Jul 2013	30	28	4	62
Aug 2013	33	13	1	47
Sep 2013	34	40	4	78
Oct 2013	50	39	2	91
Nov 2013	59	18	0	77
Dec 2013	64	28	5	97
Jan 2014	43	27	6	76
Feb 2014	32	45	6	83
Mar 2014	217	49	6	272
Apr 2014	106	39	2	147
May 2014	41	27	1	69
Jun 2014	66	30	2	98
Jul 2014	66	52	2	120
Aug 2014	54	32	2	88
Sep 2014	181	53	3	237
Oct 2014	230	72	2	304
Nov 2014	30	64	2	96
Dec 2014	28	54	4	86
Jan 2015	42	44	1	87
Feb 2015	17	8	0	25
Mar 2015	14	21	0	35
Apr 2015	23	19	4	46
May 2015	14	9	1	24
Jun 2015	28	12	0	40
Jul 2015	28	9	1	38
Aug 2015	14	23	2	39
Sep 2015	10	13	0	23
Oct 2015	18	34	1	53
Nov 2015	21	19	0	40
Dec 2015	6	9	0	15
Jan 2016	27	17	0	44
Feb 2016	16	18	0	34
Mar 2016	16	6	0	22
Apr 2016	24	9	0	33
May 2016	29	8	4	41
Jun 2016	20	6	2	28
Jul 2016	18	10	2	30
Aug 2016	19	6	3	28
Sep 2016	13	7	1	21
Oct 2016	20	6	3	29
Nov 2016	10	5	2	17
Dec 2016	11	6	2	19
Jan 2017	29	17	6	52
Feb 2017	13	7	0	20
Mar 2017	38	23	4	65
Apr 2017	40	13	9	62
May 2017	32	15	7	54
Jun 2017	37	15	5	57
Jul 2017	23	7	2	32
Aug 2017	12	7	3	22
Sep 2017	10	6	3	19
Oct 2017	6	5	3	14
Nov 2017	9	3	10	22
Dec 2017	8	9	6	23
Jan 2018	11	18	5	34
Feb 2018	9	4	10	23
Mar 2018	12	7	5	24
Apr 2018	12	10	6	28
May 2018	20	10	2	32
Jun 2018	8	10	7	25
Jul 2018	15	8	4	27
Aug 2018	37	8	2	47
Sep 2018	14	6	3	23
Oct 2018	20	11	1	32
Nov 2018	25	11	4	40
Dec 2018	10	3	0	13
Jan 2019	6	8	0	14
Feb 2019	6	7	0	13
Mar 2019	4	6	0	10
Apr 2019	17	9	0	26
May 2019	8	5	0	13
Jun 2019	8	6	1	15
Jul 2019	15	13	0	28
Aug 2019	11	6	0	17
Sep 2019	9	10	1	20
Oct 2019	25	13	1	39
Nov 2019	14	12	0	26
Dec 2019	8	16	1	25
Jan 2020	17	6	1	24
Feb 2020	13	11	0	24
Mar 2020	7	11	2	20
Apr 2020	6	15	0	21
May 2020	8	6	0	14
Jun 2020	20	11	0	31
Jul 2020	54	38	38	130
Aug 2020	4	4	4	12
Sep 2020	14	11	0	25
Oct 2020	12	12	0	24
Nov 2020	21	11	0	32
Dec 2020	24	14	1	39
Jan 2021	17	12	1	30
Feb 2021	8	7	0	15
Mar 2021	9	3	1	13
Apr 2021	13	6	0	19
May 2021	12	3	1	16
Jun 2021	5	10	1	16
Jul 2021	10	10	0	20
Aug 2021	7	5	4	16
Sep 2021	14	9	0	23
Oct 2021	14	35	2	51
Nov 2021	11	25	1	37
Dec 2021	21	6	0	27
Jan 2022	40	10	0	50
Feb 2022	27	5	1	33
Mar 2022	15	8	2	25
Apr 2022	32	3	0	35
May 2022	32	5	1	38
Jun 2022	45	4	1	50
Jul 2022	42	4	0	46
Aug 2022	50	5	1	56
Sep 2022	34	5	0	39
Oct 2022	52	9	1	62
Nov 2022	57	7	0	64
Dec 2022	43	7	0	50
Jan 2023	43	20	3	66
Feb 2023	44	2	2	48
Mar 2023	49	9	1	59
Apr 2023	40	6	0	46
May 2023	36	7	0	43
Jun 2023	39	5	0	44
Jul 2023	42	4	0	46
Aug 2023	43	6	1	50
Sep 2023	44	6	0	50
Oct 2023	40	13	3	56
Nov 2023	24	3	0	27
Dec 2023	74	10	0	84
Jan 2024	50	10	0	60
Feb 2024	47	9	0	56
Mar 2024	51	14	2	67
Apr 2024	57	11	5	73
May 2024	33	12	7	52
Jun 2024	25	11	2	38
Jul 2024	20	8	2	30
Aug 2024	23	5	2	30
Sep 2024	20	10	0	30
Oct 2024	21	8	0	29
Nov 2024	16	15	2	33
Dec 2024	12	18	0	30
Jan 2025	21	24	4	49
Feb 2025	36	14	4	54
Mar 2025	37	16	0	53
Apr 2025	29	14	2	45
May 2025	20	9	1	30
Jun 2025	49	14	0	63
Jul 2025	25	8	0	33
Aug 2025	20	20	4	44
Sep 2025	13	21	8	42
Oct 2025	30	25	5	60
Nov 2025	34	43	3	80
Dec 2025	9	2	0	11

Cumulative views and downloads (calculated since 01 Feb 2013, article published on 22 Oct 2010)

Month	HTML	PDF	XML	Total
Feb 2013	48	43	3	94
Mar 2013	40	38	4	82
Apr 2013	43	23	0	66
May 2013	50	32	3	85
Jun 2013	34	24	1	59
Jul 2013	30	28	4	62
Aug 2013	33	13	1	47
Sep 2013	34	40	4	78
Oct 2013	50	39	2	91
Nov 2013	59	18	0	77
Dec 2013	64	28	5	97
Jan 2014	43	27	6	76
Feb 2014	32	45	6	83
Mar 2014	217	49	6	272
Apr 2014	106	39	2	147
May 2014	41	27	1	69
Jun 2014	66	30	2	98
Jul 2014	66	52	2	120
Aug 2014	54	32	2	88
Sep 2014	181	53	3	237
Oct 2014	230	72	2	304
Nov 2014	30	64	2	96
Dec 2014	28	54	4	86
Jan 2015	42	44	1	87
Feb 2015	17	8	0	25
Mar 2015	14	21	0	35
Apr 2015	23	19	4	46
May 2015	14	9	1	24
Jun 2015	28	12	0	40
Jul 2015	28	9	1	38
Aug 2015	14	23	2	39
Sep 2015	10	13	0	23
Oct 2015	18	34	1	53
Nov 2015	21	19	0	40
Dec 2015	6	9	0	15
Jan 2016	27	17	0	44
Feb 2016	16	18	0	34
Mar 2016	16	6	0	22
Apr 2016	24	9	0	33
May 2016	29	8	4	41
Jun 2016	20	6	2	28
Jul 2016	18	10	2	30
Aug 2016	19	6	3	28
Sep 2016	13	7	1	21
Oct 2016	20	6	3	29
Nov 2016	10	5	2	17
Dec 2016	11	6	2	19
Jan 2017	29	17	6	52
Feb 2017	13	7	0	20
Mar 2017	38	23	4	65
Apr 2017	40	13	9	62
May 2017	32	15	7	54
Jun 2017	37	15	5	57
Jul 2017	23	7	2	32
Aug 2017	12	7	3	22
Sep 2017	10	6	3	19
Oct 2017	6	5	3	14
Nov 2017	9	3	10	22
Dec 2017	8	9	6	23
Jan 2018	11	18	5	34
Feb 2018	9	4	10	23
Mar 2018	12	7	5	24
Apr 2018	12	10	6	28
May 2018	20	10	2	32
Jun 2018	8	10	7	25
Jul 2018	15	8	4	27
Aug 2018	37	8	2	47
Sep 2018	14	6	3	23
Oct 2018	20	11	1	32
Nov 2018	25	11	4	40
Dec 2018	10	3	0	13
Jan 2019	6	8	0	14
Feb 2019	6	7	0	13
Mar 2019	4	6	0	10
Apr 2019	17	9	0	26
May 2019	8	5	0	13
Jun 2019	8	6	1	15
Jul 2019	15	13	0	28
Aug 2019	11	6	0	17
Sep 2019	9	10	1	20
Oct 2019	25	13	1	39
Nov 2019	14	12	0	26
Dec 2019	8	16	1	25
Jan 2020	17	6	1	24
Feb 2020	13	11	0	24
Mar 2020	7	11	2	20
Apr 2020	6	15	0	21
May 2020	8	6	0	14
Jun 2020	20	11	0	31
Jul 2020	54	38	38	130
Aug 2020	4	4	4	12
Sep 2020	14	11	0	25
Oct 2020	12	12	0	24
Nov 2020	21	11	0	32
Dec 2020	24	14	1	39
Jan 2021	17	12	1	30
Feb 2021	8	7	0	15
Mar 2021	9	3	1	13
Apr 2021	13	6	0	19
May 2021	12	3	1	16
Jun 2021	5	10	1	16
Jul 2021	10	10	0	20
Aug 2021	7	5	4	16
Sep 2021	14	9	0	23
Oct 2021	14	35	2	51
Nov 2021	11	25	1	37
Dec 2021	21	6	0	27
Jan 2022	40	10	0	50
Feb 2022	27	5	1	33
Mar 2022	15	8	2	25
Apr 2022	32	3	0	35
May 2022	32	5	1	38
Jun 2022	45	4	1	50
Jul 2022	42	4	0	46
Aug 2022	50	5	1	56
Sep 2022	34	5	0	39
Oct 2022	52	9	1	62
Nov 2022	57	7	0	64
Dec 2022	43	7	0	50
Jan 2023	43	20	3	66
Feb 2023	44	2	2	48
Mar 2023	49	9	1	59
Apr 2023	40	6	0	46
May 2023	36	7	0	43
Jun 2023	39	5	0	44
Jul 2023	42	4	0	46
Aug 2023	43	6	1	50
Sep 2023	44	6	0	50
Oct 2023	40	13	3	56
Nov 2023	24	3	0	27
Dec 2023	74	10	0	84
Jan 2024	50	10	0	60
Feb 2024	47	9	0	56
Mar 2024	51	14	2	67
Apr 2024	57	11	5	73
May 2024	33	12	7	52
Jun 2024	25	11	2	38
Jul 2024	20	8	2	30
Aug 2024	23	5	2	30
Sep 2024	20	10	0	30
Oct 2024	21	8	0	29
Nov 2024	16	15	2	33
Dec 2024	12	18	0	30
Jan 2025	21	24	4	49
Feb 2025	36	14	4	54
Mar 2025	37	16	0	53
Apr 2025	29	14	2	45
May 2025	20	9	1	30
Jun 2025	49	14	0	63
Jul 2025	25	8	0	33
Aug 2025	20	20	4	44
Sep 2025	13	21	8	42
Oct 2025	30	25	5	60
Nov 2025	34	43	3	80
Dec 2025	9	2	0	11

Latest update: 06 Dec 2025