Estimating the state of a geophysical system with sparse observations: time delay methods to achieve accurate initial states for prediction

An, Zhe; Rey, Daniel; Ye, Jingxin; Abarbanel, Henry D. I.

doi:10.5194/npg-24-9-2017

Articles | Volume 24, issue 1

https://doi.org/10.5194/npg-24-9-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/npg-24-9-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 24, issue 1

Research article

|

16 Jan 2017

Research article |

| 16 Jan 2017

Estimating the state of a geophysical system with sparse observations: time delay methods to achieve accurate initial states for prediction

Zhe An, Daniel Rey, Jingxin Ye, and Henry D. I. Abarbanel

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Total article views: 3,913 (including HTML, PDF, and XML)

HTML	PDF	XML	Total	BibTeX	EndNote
1,936	1,702	275	3,913	271	329

HTML: 1,936
PDF: 1,702
XML: 275
Total: 3,913
BibTeX: 271
EndNote: 329

Views and downloads (calculated since 22 Mar 2016)

Month	HTML	PDF	XML	Total
Mar 2016	57	52	3	112
Apr 2016	41	27	1	69
May 2016	73	18	1	92
Jun 2016	11	2	0	13
Jul 2016	10	1	3	14
Aug 2016	7	2	1	10
Sep 2016	4	5	0	9
Oct 2016	2	0	2
Nov 2016	1	2	0	3
Dec 2016	2	1	1	4
Jan 2017	81	27	4	112
Feb 2017	41	9	6	56
Mar 2017	65	19	11	95
Apr 2017	41	15	4	60
May 2017	41	21	10	72
Jun 2017	38	22	9	69
Jul 2017	23	19	1	43
Aug 2017	11	22	3	36
Sep 2017	20	21	2	43
Oct 2017	18	24	4	46
Nov 2017	15	31	1	47
Dec 2017	22	30	5	57
Jan 2018	40	56	15	111
Feb 2018	27	31	2	60
Mar 2018	17	30	4	51
Apr 2018	22	30	6	58
May 2018	18	31	3	52
Jun 2018	18	33	5	56
Jul 2018	19	27	5	51
Aug 2018	24	31	6	61
Sep 2018	16	21	3	40
Oct 2018	17	27	6	50
Nov 2018	23	26	4	53
Dec 2018	9	23	3	35
Jan 2019	17	21	2	40
Feb 2019	12	15	3	30
Mar 2019	6	16	1	23
Apr 2019	10	20	3	33
May 2019	10	19	2	31
Jun 2019	5	24	2	31
Jul 2019	9	20	0	29
Aug 2019	8	17	1	26
Sep 2019	13	22	0	35
Oct 2019	9	18	1	28
Nov 2019	11	16	0	27
Dec 2019	8	21	2	31
Jan 2020	21	13	6	40
Feb 2020	9	3	0	12
Mar 2020	11	13	4	28
Apr 2020	8	7	3	18
May 2020	8	8	1	17
Jun 2020	23	17	1	41
Jul 2020	44	53	15	112
Aug 2020	8	6	3	17
Sep 2020	18	13	2	33
Oct 2020	7	12	1	20
Nov 2020	6	4	1	11
Dec 2020	6	4	0	10
Jan 2021	18	8	0	26
Feb 2021	11	7	0	18
Mar 2021	2	3	0	5
Apr 2021	8	5	0	13
May 2021	2	6	0	8
Jun 2021	3	3	0	6
Jul 2021	4	4	0	8
Aug 2021	3	8	0	11
Sep 2021	11	6	1	18
Oct 2021	2	40	0	42
Nov 2021	12	22	2	36
Dec 2021	21	6	1	28
Jan 2022	10	8	3	21
Feb 2022	6	3	3	12
Mar 2022	8	5	2	15
Apr 2022	4	3	1	8
May 2022	2	5	1	8
Jun 2022	7	3	2	12
Jul 2022	9	1	1	11
Aug 2022	7	2	1	10
Sep 2022	9	4	3	16
Oct 2022	7	1	2	10
Nov 2022	6	8	0	14
Dec 2022	7	5	2	14
Jan 2023	6	7	1	14
Feb 2023	8	4	0	12
Mar 2023	7	8	1	16
Apr 2023	21	0	21
May 2023	19	11	1	31
Jun 2023	3	6	1	10
Jul 2023	4	5	0	9
Aug 2023	9	5	2	16
Sep 2023	4	11	1	16
Oct 2023	5	4	1	10
Nov 2023	4	0	4
Dec 2023	13	3	1	17
Jan 2024	3	2	0	5
Feb 2024	1	6	0	7
Mar 2024	1	13	0	14
Apr 2024	11	7	4	22
May 2024	8	5	3	16
Jun 2024	40	6	2	48
Jul 2024	6	2	1	9
Aug 2024	38	6	4	48
Sep 2024	5	17	2	24
Oct 2024	22	17	5	44
Nov 2024	15	16	0	31
Dec 2024	16	2	5	23
Jan 2025	8	4	1	13
Feb 2025	14	20	1	35
Mar 2025	18	8	2	28
Apr 2025	9	12	2	23
May 2025	12	6	1	19
Jun 2025	29	18	0	47
Jul 2025	22	11	1	34
Aug 2025	17	5	2	24
Sep 2025	15	15	2	32
Oct 2025	25	18	2	45
Nov 2025	39	16	1	56
Dec 2025	40	49	1	90
Jan 2026	39	22	6	67
Feb 2026	25	46	5	76
Mar 2026	15	5	2	22

Cumulative views and downloads (calculated since 22 Mar 2016)

Month	HTML	PDF	XML	Total
Mar 2016	57	52	3	112
Apr 2016	41	27	1	69
May 2016	73	18	1	92
Jun 2016	11	2	0	13
Jul 2016	10	1	3	14
Aug 2016	7	2	1	10
Sep 2016	4	5	0	9
Oct 2016	2	0	2
Nov 2016	1	2	0	3
Dec 2016	2	1	1	4
Jan 2017	81	27	4	112
Feb 2017	41	9	6	56
Mar 2017	65	19	11	95
Apr 2017	41	15	4	60
May 2017	41	21	10	72
Jun 2017	38	22	9	69
Jul 2017	23	19	1	43
Aug 2017	11	22	3	36
Sep 2017	20	21	2	43
Oct 2017	18	24	4	46
Nov 2017	15	31	1	47
Dec 2017	22	30	5	57
Jan 2018	40	56	15	111
Feb 2018	27	31	2	60
Mar 2018	17	30	4	51
Apr 2018	22	30	6	58
May 2018	18	31	3	52
Jun 2018	18	33	5	56
Jul 2018	19	27	5	51
Aug 2018	24	31	6	61
Sep 2018	16	21	3	40
Oct 2018	17	27	6	50
Nov 2018	23	26	4	53
Dec 2018	9	23	3	35
Jan 2019	17	21	2	40
Feb 2019	12	15	3	30
Mar 2019	6	16	1	23
Apr 2019	10	20	3	33
May 2019	10	19	2	31
Jun 2019	5	24	2	31
Jul 2019	9	20	0	29
Aug 2019	8	17	1	26
Sep 2019	13	22	0	35
Oct 2019	9	18	1	28
Nov 2019	11	16	0	27
Dec 2019	8	21	2	31
Jan 2020	21	13	6	40
Feb 2020	9	3	0	12
Mar 2020	11	13	4	28
Apr 2020	8	7	3	18
May 2020	8	8	1	17
Jun 2020	23	17	1	41
Jul 2020	44	53	15	112
Aug 2020	8	6	3	17
Sep 2020	18	13	2	33
Oct 2020	7	12	1	20
Nov 2020	6	4	1	11
Dec 2020	6	4	0	10
Jan 2021	18	8	0	26
Feb 2021	11	7	0	18
Mar 2021	2	3	0	5
Apr 2021	8	5	0	13
May 2021	2	6	0	8
Jun 2021	3	3	0	6
Jul 2021	4	4	0	8
Aug 2021	3	8	0	11
Sep 2021	11	6	1	18
Oct 2021	2	40	0	42
Nov 2021	12	22	2	36
Dec 2021	21	6	1	28
Jan 2022	10	8	3	21
Feb 2022	6	3	3	12
Mar 2022	8	5	2	15
Apr 2022	4	3	1	8
May 2022	2	5	1	8
Jun 2022	7	3	2	12
Jul 2022	9	1	1	11
Aug 2022	7	2	1	10
Sep 2022	9	4	3	16
Oct 2022	7	1	2	10
Nov 2022	6	8	0	14
Dec 2022	7	5	2	14
Jan 2023	6	7	1	14
Feb 2023	8	4	0	12
Mar 2023	7	8	1	16
Apr 2023	21	0	21
May 2023	19	11	1	31
Jun 2023	3	6	1	10
Jul 2023	4	5	0	9
Aug 2023	9	5	2	16
Sep 2023	4	11	1	16
Oct 2023	5	4	1	10
Nov 2023	4	0	4
Dec 2023	13	3	1	17
Jan 2024	3	2	0	5
Feb 2024	1	6	0	7
Mar 2024	1	13	0	14
Apr 2024	11	7	4	22
May 2024	8	5	3	16
Jun 2024	40	6	2	48
Jul 2024	6	2	1	9
Aug 2024	38	6	4	48
Sep 2024	5	17	2	24
Oct 2024	22	17	5	44
Nov 2024	15	16	0	31
Dec 2024	16	2	5	23
Jan 2025	8	4	1	13
Feb 2025	14	20	1	35
Mar 2025	18	8	2	28
Apr 2025	9	12	2	23
May 2025	12	6	1	19
Jun 2025	29	18	0	47
Jul 2025	22	11	1	34
Aug 2025	17	5	2	24
Sep 2025	15	15	2	32
Oct 2025	25	18	2	45
Nov 2025	39	16	1	56
Dec 2025	40	49	1	90
Jan 2026	39	22	6	67
Feb 2026	25	46	5	76
Mar 2026	15	5	2	22

Latest update: 25 Mar 2026