New estimates of Arctic and Antarctic sea ice extent during September 1964 from recovered Nimbus I satellite imagery

Meier, W. N.; Gallaher, D.; Campbell, G. G.

doi:10.5194/tc-7-699-2013

Articles | Volume 7, issue 2

https://doi.org/10.5194/tc-7-699-2013

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

https://doi.org/10.5194/tc-7-699-2013

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

Articles | Volume 7, issue 2

Research article

|

23 Apr 2013

Research article |

| 23 Apr 2013

New estimates of Arctic and Antarctic sea ice extent during September 1964 from recovered Nimbus I satellite imagery

W. N. Meier, D. Gallaher, and G. G. Campbell

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Total article views: 15,619 (including HTML, PDF, and XML)

HTML	PDF	XML	Total	BibTeX	EndNote
5,870	9,423	326	15,619	359	369

HTML: 5,870
PDF: 9,423
XML: 326
Total: 15,619
BibTeX: 359
EndNote: 369

Views and downloads (calculated since 01 Feb 2013)

Month	HTML	PDF	XML	Total
Feb 2013	47	107	1	155
Mar 2013	31	58	3	92
Apr 2013	280	2,258	7	2,545
May 2013	1,038	473	8	1,519
Jun 2013	75	226	2	303
Jul 2013	210	109	2	321
Aug 2013	143	121	2	266
Sep 2013	85	127	4	216
Oct 2013	81	101	3	185
Nov 2013	47	99	4	150
Dec 2013	57	98	4	159
Jan 2014	66	116	5	187
Feb 2014	62	72	6	140
Mar 2014	74	89	7	170
Apr 2014	60	50	4	114
May 2014	71	84	1	156
Jun 2014	77	67	3	147
Jul 2014	69	96	3	168
Aug 2014	34	58	2	94
Sep 2014	52	1,684	1	1,737
Oct 2014	46	228	0	274
Nov 2014	44	92	4	140
Dec 2014	30	79	5	114
Jan 2015	28	34	1	63
Feb 2015	43	19	4	66
Mar 2015	31	52	4	87
Apr 2015	46	18	1	65
May 2015	19	41	0	60
Jun 2015	50	45	0	95
Jul 2015	45	26	1	72
Aug 2015	37	31	2	70
Sep 2015	21	44	0	65
Oct 2015	38	41	11	90
Nov 2015	23	27	2	52
Dec 2015	17	30	2	49
Jan 2016	25	34	0	59
Feb 2016	24	41	1	66
Mar 2016	23	17	22	62
Apr 2016	14	16	2	32
May 2016	12	12	1	25
Jun 2016	9	9	0	18
Jul 2016	12	12	2	26
Aug 2016	13	10	0	23
Sep 2016	12	11	0	23
Oct 2016	13	9	1	23
Nov 2016	11	16	0	27
Dec 2016	6	10	0	16
Jan 2017	37	21	2	60
Feb 2017	44	18	2	64
Mar 2017	54	20	7	81
Apr 2017	52	15	5	72
May 2017	68	12	12	92
Jun 2017	64	23	14	101
Jul 2017	42	14	1	57
Aug 2017	22	51	0	73
Sep 2017	16	19	0	35
Oct 2017	10	15	1	26
Nov 2017	16	14	0	30
Dec 2017	12	21	0	33
Jan 2018	21	24	1	46
Feb 2018	22	25	2	49
Mar 2018	14	20	0	34
Apr 2018	14	19	0	33
May 2018	20	19	3	42
Jun 2018	15	17	1	33
Jul 2018	17	19	0	36
Aug 2018	29	20	1	50
Sep 2018	20	15	0	35
Oct 2018	25	34	1	60
Nov 2018	22	30	1	53
Dec 2018	17	13	0	30
Jan 2019	11	42	1	54
Feb 2019	17	39	1	57
Mar 2019	20	17	0	37
Apr 2019	32	22	1	55
May 2019	47	20	1	68
Jun 2019	48	21	0	69
Jul 2019	23	18	0	41
Aug 2019	14	14	0	28
Sep 2019	11	19	0	30
Oct 2019	18	19	0	37
Nov 2019	10	16	0	26
Dec 2019	10	14	0	24
Jan 2020	21	17	2	40
Feb 2020	21	18	1	40
Mar 2020	12	17	0	29
Apr 2020	14	17	0	31
May 2020	17	6	0	23
Jun 2020	15	14	0	29
Jul 2020	50	48	30	128
Aug 2020	9	8	3	20
Sep 2020	14	14	1	29
Oct 2020	25	19	1	45
Nov 2020	30	13	0	43
Dec 2020	31	12	2	45
Jan 2021	25	18	3	46
Feb 2021	12	20	0	32
Mar 2021	16	10	1	27
Apr 2021	7	16	0	23
May 2021	10	26	1	37
Jun 2021	17	20	0	37
Jul 2021	15	14	1	30
Aug 2021	11	21	3	35
Sep 2021	19	23	0	42
Oct 2021	13	48	0	61
Nov 2021	8	37	1	46
Dec 2021	13	22	1	36
Jan 2022	28	27	1	56
Feb 2022	14	15	1	30
Mar 2022	14	17	1	32
Apr 2022	16	11	1	28
May 2022	10	16	0	26
Jun 2022	16	11	1	28
Jul 2022	17	22	3	42
Aug 2022	13	18	1	32
Sep 2022	14	21	2	37
Oct 2022	23	18	3	44
Nov 2022	10	13	1	24
Dec 2022	27	21	3	51
Jan 2023	33	27	3	63
Feb 2023	34	19	1	54
Mar 2023	41	17	3	61
Apr 2023	19	19	3	41
May 2023	22	24	0	46
Jun 2023	16	18	0	34
Jul 2023	21	19	1	41
Aug 2023	16	25	4	45
Sep 2023	25	65	2	92
Oct 2023	22	30	2	54
Nov 2023	49	4	3	56
Dec 2023	22	20	1	43
Jan 2024	11	39	1	51
Feb 2024	5	42	0	47
Mar 2024	13	27	3	43
Apr 2024	22	24	5	51
May 2024	24	20	8	52
Jun 2024	36	18	2	56
Jul 2024	18	14	0	32
Aug 2024	25	14	1	40
Sep 2024	12	27	1	40
Oct 2024	25	13	1	39
Nov 2024	22	12	0	34
Dec 2024	23	38	2	63
Jan 2025	23	22	1	46
Feb 2025	46	20	0	66
Mar 2025	17	16	0	33
Apr 2025	28	27	0	55
May 2025	47	22	0	69
Jun 2025	36	27	2	65
Jul 2025	31	23	3	57
Aug 2025	35	54	1	90
Sep 2025	53	38	2	93
Oct 2025	30	26	2	58
Nov 2025	51	25	3	79
Dec 2025	5	4	0	9

Cumulative views and downloads (calculated since 01 Feb 2013)

Month	HTML	PDF	XML	Total
Feb 2013	47	107	1	155
Mar 2013	31	58	3	92
Apr 2013	280	2,258	7	2,545
May 2013	1,038	473	8	1,519
Jun 2013	75	226	2	303
Jul 2013	210	109	2	321
Aug 2013	143	121	2	266
Sep 2013	85	127	4	216
Oct 2013	81	101	3	185
Nov 2013	47	99	4	150
Dec 2013	57	98	4	159
Jan 2014	66	116	5	187
Feb 2014	62	72	6	140
Mar 2014	74	89	7	170
Apr 2014	60	50	4	114
May 2014	71	84	1	156
Jun 2014	77	67	3	147
Jul 2014	69	96	3	168
Aug 2014	34	58	2	94
Sep 2014	52	1,684	1	1,737
Oct 2014	46	228	0	274
Nov 2014	44	92	4	140
Dec 2014	30	79	5	114
Jan 2015	28	34	1	63
Feb 2015	43	19	4	66
Mar 2015	31	52	4	87
Apr 2015	46	18	1	65
May 2015	19	41	0	60
Jun 2015	50	45	0	95
Jul 2015	45	26	1	72
Aug 2015	37	31	2	70
Sep 2015	21	44	0	65
Oct 2015	38	41	11	90
Nov 2015	23	27	2	52
Dec 2015	17	30	2	49
Jan 2016	25	34	0	59
Feb 2016	24	41	1	66
Mar 2016	23	17	22	62
Apr 2016	14	16	2	32
May 2016	12	12	1	25
Jun 2016	9	9	0	18
Jul 2016	12	12	2	26
Aug 2016	13	10	0	23
Sep 2016	12	11	0	23
Oct 2016	13	9	1	23
Nov 2016	11	16	0	27
Dec 2016	6	10	0	16
Jan 2017	37	21	2	60
Feb 2017	44	18	2	64
Mar 2017	54	20	7	81
Apr 2017	52	15	5	72
May 2017	68	12	12	92
Jun 2017	64	23	14	101
Jul 2017	42	14	1	57
Aug 2017	22	51	0	73
Sep 2017	16	19	0	35
Oct 2017	10	15	1	26
Nov 2017	16	14	0	30
Dec 2017	12	21	0	33
Jan 2018	21	24	1	46
Feb 2018	22	25	2	49
Mar 2018	14	20	0	34
Apr 2018	14	19	0	33
May 2018	20	19	3	42
Jun 2018	15	17	1	33
Jul 2018	17	19	0	36
Aug 2018	29	20	1	50
Sep 2018	20	15	0	35
Oct 2018	25	34	1	60
Nov 2018	22	30	1	53
Dec 2018	17	13	0	30
Jan 2019	11	42	1	54
Feb 2019	17	39	1	57
Mar 2019	20	17	0	37
Apr 2019	32	22	1	55
May 2019	47	20	1	68
Jun 2019	48	21	0	69
Jul 2019	23	18	0	41
Aug 2019	14	14	0	28
Sep 2019	11	19	0	30
Oct 2019	18	19	0	37
Nov 2019	10	16	0	26
Dec 2019	10	14	0	24
Jan 2020	21	17	2	40
Feb 2020	21	18	1	40
Mar 2020	12	17	0	29
Apr 2020	14	17	0	31
May 2020	17	6	0	23
Jun 2020	15	14	0	29
Jul 2020	50	48	30	128
Aug 2020	9	8	3	20
Sep 2020	14	14	1	29
Oct 2020	25	19	1	45
Nov 2020	30	13	0	43
Dec 2020	31	12	2	45
Jan 2021	25	18	3	46
Feb 2021	12	20	0	32
Mar 2021	16	10	1	27
Apr 2021	7	16	0	23
May 2021	10	26	1	37
Jun 2021	17	20	0	37
Jul 2021	15	14	1	30
Aug 2021	11	21	3	35
Sep 2021	19	23	0	42
Oct 2021	13	48	0	61
Nov 2021	8	37	1	46
Dec 2021	13	22	1	36
Jan 2022	28	27	1	56
Feb 2022	14	15	1	30
Mar 2022	14	17	1	32
Apr 2022	16	11	1	28
May 2022	10	16	0	26
Jun 2022	16	11	1	28
Jul 2022	17	22	3	42
Aug 2022	13	18	1	32
Sep 2022	14	21	2	37
Oct 2022	23	18	3	44
Nov 2022	10	13	1	24
Dec 2022	27	21	3	51
Jan 2023	33	27	3	63
Feb 2023	34	19	1	54
Mar 2023	41	17	3	61
Apr 2023	19	19	3	41
May 2023	22	24	0	46
Jun 2023	16	18	0	34
Jul 2023	21	19	1	41
Aug 2023	16	25	4	45
Sep 2023	25	65	2	92
Oct 2023	22	30	2	54
Nov 2023	49	4	3	56
Dec 2023	22	20	1	43
Jan 2024	11	39	1	51
Feb 2024	5	42	0	47
Mar 2024	13	27	3	43
Apr 2024	22	24	5	51
May 2024	24	20	8	52
Jun 2024	36	18	2	56
Jul 2024	18	14	0	32
Aug 2024	25	14	1	40
Sep 2024	12	27	1	40
Oct 2024	25	13	1	39
Nov 2024	22	12	0	34
Dec 2024	23	38	2	63
Jan 2025	23	22	1	46
Feb 2025	46	20	0	66
Mar 2025	17	16	0	33
Apr 2025	28	27	0	55
May 2025	47	22	0	69
Jun 2025	36	27	2	65
Jul 2025	31	23	3	57
Aug 2025	35	54	1	90
Sep 2025	53	38	2	93
Oct 2025	30	26	2	58
Nov 2025	51	25	3	79
Dec 2025	5	4	0	9

Latest update: 06 Dec 2025