The ~ 2400-year cycle in atmospheric radiocarbon concentration: bispectrum of <sup>14</sup><i>C</i> data over the last 8000 years

Vasiliev, S. S.; Dergachev, V. A.

doi:10.5194/angeo-20-115-2002

Articles | Volume 20, issue 1

https://doi.org/10.5194/angeo-20-115-2002

© Author(s) 2002. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/angeo-20-115-2002

© Author(s) 2002. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 20, issue 1

31 Jan 2002

| 31 Jan 2002

The ~ 2400-year cycle in atmospheric radiocarbon concentration: bispectrum of ¹⁴C data over the last 8000 years

S. S. Vasiliev and V. A. Dergachev

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Total article views: 5,608 (including HTML, PDF, and XML)

HTML	PDF	XML	Total	BibTeX	EndNote
2,058	3,463	87	5,608	108	143

HTML: 2,058
PDF: 3,463
XML: 87
Total: 5,608
BibTeX: 108
EndNote: 143

Views and downloads (calculated since 01 Feb 2013)

Month	HTML	PDF	XML	Total
Feb 2013	35	0	35
Mar 2013	3	26	0	29
Apr 2013	7	37	1	45
May 2013	4	38	0	42
Jun 2013	24	50	0	74
Jul 2013	3	44	0	47
Aug 2013	13	23	0	36
Sep 2013	4	28	0	32
Oct 2013	4	29	0	33
Nov 2013	1	31	0	32
Dec 2013	5	25	2	32
Jan 2014	6	35	1	42
Feb 2014	11	38	2	51
Mar 2014	20	118	0	138
Apr 2014	2	54	0	56
May 2014	4	29	0	33
Jun 2014	1	25	0	26
Jul 2014	3	20	0	23
Aug 2014	3	34	0	37
Sep 2014	4	29	0	33
Oct 2014	6	31	0	37
Nov 2014	3	30	0	33
Dec 2014	6	25	0	31
Jan 2015	2	25	0	27
Feb 2015	4	25	2	31
Mar 2015	2	20	0	22
Apr 2015	5	23	0	28
May 2015	8	36	0	44
Jun 2015	24	21	0	45
Jul 2015	16	9	0	25
Aug 2015	6	17	0	23
Sep 2015	8	14	0	22
Oct 2015	18	18	0	36
Nov 2015	23	29	0	52
Dec 2015	10	24	0	34
Jan 2016	33	19	1	53
Feb 2016	17	43	1	61
Mar 2016	18	29	0	47
Apr 2016	9	35	0	44
May 2016	18	30	0	48
Jun 2016	6	7	0	13
Jul 2016	8	13	1	22
Aug 2016	6	14	0	20
Sep 2016	11	25	1	37
Oct 2016	8	29	0	37
Nov 2016	8	25	0	33
Dec 2016	6	16	0	22
Jan 2017	7	44	0	51
Feb 2017	4	22	0	26
Mar 2017	5	48	0	53
Apr 2017	8	57	0	65
May 2017	19	26	0	45
Jun 2017	12	16	0	28
Jul 2017	10	25	1	36
Aug 2017	7	23	0	30
Sep 2017	7	15	0	22
Oct 2017	4	22	0	26
Nov 2017	6	39	1	46
Dec 2017	6	22	0	28
Jan 2018	5	24	0	29
Feb 2018	6	26	0	32
Mar 2018	12	19	0	31
Apr 2018	5	20	1	26
May 2018	13	15	0	28
Jun 2018	10	20	0	30
Jul 2018	10	18	0	28
Aug 2018	10	15	2	27
Sep 2018	6	21	0	27
Oct 2018	8	19	1	28
Nov 2018	5	22	0	27
Dec 2018	11	23	0	34
Jan 2019	8	13	1	22
Feb 2019	13	37	0	50
Mar 2019	10	18	0	28
Apr 2019	9	19	1	29
May 2019	16	21	0	37
Jun 2019	6	13	0	19
Jul 2019	6	3	0	9
Aug 2019	8	14	0	22
Sep 2019	7	11	0	18
Oct 2019	11	8	0	19
Nov 2019	5	10	0	15
Dec 2019	11	14	0	25
Jan 2020	12	7	1	20
Feb 2020	7	11	0	18
Mar 2020	1	20	0	21
Apr 2020	11	23	0	34
May 2020	27	17	0	44
Jun 2020	14	21	0	35
Jul 2020	21	21	8	50
Aug 2020	13	19	4	36
Sep 2020	7	13	0	20
Oct 2020	5	22	1	28
Nov 2020	15	17	0	32
Dec 2020	16	20	0	36
Jan 2021	19	13	0	32
Feb 2021	14	18	0	32
Mar 2021	15	25	0	40
Apr 2021	10	29	0	39
May 2021	11	16	0	27
Jun 2021	11	17	0	28
Jul 2021	10	18	0	28
Aug 2021	11	19	0	30
Sep 2021	16	21	0	37
Oct 2021	9	22	0	31
Nov 2021	7	25	0	32
Dec 2021	15	17	0	32
Jan 2022	13	20	0	33
Feb 2022	12	11	2	25
Mar 2022	8	23	1	32
Apr 2022	11	13	1	25
May 2022	3	13	1	17
Jun 2022	14	12	2	28
Jul 2022	4	11	0	15
Aug 2022	12	11	1	24
Sep 2022	15	12	0	27
Oct 2022	9	14	1	24
Nov 2022	21	13	0	34
Dec 2022	15	11	0	26
Jan 2023	18	15	0	33
Feb 2023	14	8	1	23
Mar 2023	26	6	0	32
Apr 2023	17	21	0	38
May 2023	9	16	2	27
Jun 2023	12	7	1	20
Jul 2023	21	16	0	37
Aug 2023	7	17	1	25
Sep 2023	34	8	2	44
Oct 2023	17	24	0	41
Nov 2023	5	13	0	18
Dec 2023	18	22	0	40
Jan 2024	15	23	3	41
Feb 2024	12	18	0	30
Mar 2024	18	28	1	47
Apr 2024	24	14	2	40
May 2024	24	48	7	79
Jun 2024	13	32	1	46
Jul 2024	27	18	2	47
Aug 2024	24	22	2	48
Sep 2024	10	10	0	20
Oct 2024	21	12	0	33
Nov 2024	18	19	2	39
Dec 2024	21	32	1	54
Jan 2025	27	18	0	45
Feb 2025	42	11	0	53
Mar 2025	37	14	6	57
Apr 2025	36	11	1	48
May 2025	49	21	1	71
Jun 2025	51	27	1	79
Jul 2025	45	15	0	60
Aug 2025	46	31	1	78
Sep 2025	40	19	0	59
Oct 2025	46	39	1	86
Nov 2025	32	17	4	53
Dec 2025	31	14	1	46

Cumulative views and downloads (calculated since 01 Feb 2013)

Month	HTML	PDF	XML	Total
Feb 2013	35	0	35
Mar 2013	3	26	0	29
Apr 2013	7	37	1	45
May 2013	4	38	0	42
Jun 2013	24	50	0	74
Jul 2013	3	44	0	47
Aug 2013	13	23	0	36
Sep 2013	4	28	0	32
Oct 2013	4	29	0	33
Nov 2013	1	31	0	32
Dec 2013	5	25	2	32
Jan 2014	6	35	1	42
Feb 2014	11	38	2	51
Mar 2014	20	118	0	138
Apr 2014	2	54	0	56
May 2014	4	29	0	33
Jun 2014	1	25	0	26
Jul 2014	3	20	0	23
Aug 2014	3	34	0	37
Sep 2014	4	29	0	33
Oct 2014	6	31	0	37
Nov 2014	3	30	0	33
Dec 2014	6	25	0	31
Jan 2015	2	25	0	27
Feb 2015	4	25	2	31
Mar 2015	2	20	0	22
Apr 2015	5	23	0	28
May 2015	8	36	0	44
Jun 2015	24	21	0	45
Jul 2015	16	9	0	25
Aug 2015	6	17	0	23
Sep 2015	8	14	0	22
Oct 2015	18	18	0	36
Nov 2015	23	29	0	52
Dec 2015	10	24	0	34
Jan 2016	33	19	1	53
Feb 2016	17	43	1	61
Mar 2016	18	29	0	47
Apr 2016	9	35	0	44
May 2016	18	30	0	48
Jun 2016	6	7	0	13
Jul 2016	8	13	1	22
Aug 2016	6	14	0	20
Sep 2016	11	25	1	37
Oct 2016	8	29	0	37
Nov 2016	8	25	0	33
Dec 2016	6	16	0	22
Jan 2017	7	44	0	51
Feb 2017	4	22	0	26
Mar 2017	5	48	0	53
Apr 2017	8	57	0	65
May 2017	19	26	0	45
Jun 2017	12	16	0	28
Jul 2017	10	25	1	36
Aug 2017	7	23	0	30
Sep 2017	7	15	0	22
Oct 2017	4	22	0	26
Nov 2017	6	39	1	46
Dec 2017	6	22	0	28
Jan 2018	5	24	0	29
Feb 2018	6	26	0	32
Mar 2018	12	19	0	31
Apr 2018	5	20	1	26
May 2018	13	15	0	28
Jun 2018	10	20	0	30
Jul 2018	10	18	0	28
Aug 2018	10	15	2	27
Sep 2018	6	21	0	27
Oct 2018	8	19	1	28
Nov 2018	5	22	0	27
Dec 2018	11	23	0	34
Jan 2019	8	13	1	22
Feb 2019	13	37	0	50
Mar 2019	10	18	0	28
Apr 2019	9	19	1	29
May 2019	16	21	0	37
Jun 2019	6	13	0	19
Jul 2019	6	3	0	9
Aug 2019	8	14	0	22
Sep 2019	7	11	0	18
Oct 2019	11	8	0	19
Nov 2019	5	10	0	15
Dec 2019	11	14	0	25
Jan 2020	12	7	1	20
Feb 2020	7	11	0	18
Mar 2020	1	20	0	21
Apr 2020	11	23	0	34
May 2020	27	17	0	44
Jun 2020	14	21	0	35
Jul 2020	21	21	8	50
Aug 2020	13	19	4	36
Sep 2020	7	13	0	20
Oct 2020	5	22	1	28
Nov 2020	15	17	0	32
Dec 2020	16	20	0	36
Jan 2021	19	13	0	32
Feb 2021	14	18	0	32
Mar 2021	15	25	0	40
Apr 2021	10	29	0	39
May 2021	11	16	0	27
Jun 2021	11	17	0	28
Jul 2021	10	18	0	28
Aug 2021	11	19	0	30
Sep 2021	16	21	0	37
Oct 2021	9	22	0	31
Nov 2021	7	25	0	32
Dec 2021	15	17	0	32
Jan 2022	13	20	0	33
Feb 2022	12	11	2	25
Mar 2022	8	23	1	32
Apr 2022	11	13	1	25
May 2022	3	13	1	17
Jun 2022	14	12	2	28
Jul 2022	4	11	0	15
Aug 2022	12	11	1	24
Sep 2022	15	12	0	27
Oct 2022	9	14	1	24
Nov 2022	21	13	0	34
Dec 2022	15	11	0	26
Jan 2023	18	15	0	33
Feb 2023	14	8	1	23
Mar 2023	26	6	0	32
Apr 2023	17	21	0	38
May 2023	9	16	2	27
Jun 2023	12	7	1	20
Jul 2023	21	16	0	37
Aug 2023	7	17	1	25
Sep 2023	34	8	2	44
Oct 2023	17	24	0	41
Nov 2023	5	13	0	18
Dec 2023	18	22	0	40
Jan 2024	15	23	3	41
Feb 2024	12	18	0	30
Mar 2024	18	28	1	47
Apr 2024	24	14	2	40
May 2024	24	48	7	79
Jun 2024	13	32	1	46
Jul 2024	27	18	2	47
Aug 2024	24	22	2	48
Sep 2024	10	10	0	20
Oct 2024	21	12	0	33
Nov 2024	18	19	2	39
Dec 2024	21	32	1	54
Jan 2025	27	18	0	45
Feb 2025	42	11	0	53
Mar 2025	37	14	6	57
Apr 2025	36	11	1	48
May 2025	49	21	1	71
Jun 2025	51	27	1	79
Jul 2025	45	15	0	60
Aug 2025	46	31	1	78
Sep 2025	40	19	0	59
Oct 2025	46	39	1	86
Nov 2025	32	17	4	53
Dec 2025	31	14	1	46

Latest update: 21 Dec 2025

The ~ 2400-year cycle in atmospheric radiocarbon concentration: bispectrum of 14C data over the last 8000 years

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The ~ 2400-year cycle in atmospheric radiocarbon concentration: bispectrum of ¹⁴C data over the last 8000 years