Methane and carbon dioxide emissions from 40 lakes along a north–south latitudinal transect in Alaska

Sepulveda-Jauregui, A.; Walter Anthony, K. M.; Martinez-Cruz, K.; Greene, S.; Thalasso, F.

doi:10.5194/bg-12-3197-2015

Articles | Volume 12, issue 11

https://doi.org/10.5194/bg-12-3197-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Freshwater ecosystems in changing permafrost landscapes

https://doi.org/10.5194/bg-12-3197-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 12, issue 11

Research article

|

02 Jun 2015

Research article |

| 02 Jun 2015

Methane and carbon dioxide emissions from 40 lakes along a north–south latitudinal transect in Alaska

A. Sepulveda-Jauregui, K. M. Walter Anthony, K. Martinez-Cruz, S. Greene, and F. Thalasso

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Month	HTML	PDF	XML	Total
Sep 2014	150	63	7	220
Oct 2014	86	39	6	131
Nov 2014	60	317	6	383
Dec 2014	69	26	10	105
Jan 2015	62	24	4	90
Feb 2015	19	4	0	23
Mar 2015	40	11	1	52
Apr 2015	30	7	0	37
May 2015	14	12	0	26
Jun 2015	255	113	4	372
Jul 2015	72	40	2	114
Aug 2015	55	36	3	94
Sep 2015	39	52	1	92
Oct 2015	42	38	1	81
Nov 2015	56	39	1	96
Dec 2015	31	28	0	59
Jan 2016	49	30	1	80
Feb 2016	32	24	3	59
Mar 2016	31	20	1	52
Apr 2016	15	18	1	34
May 2016	18	10	4	32
Jun 2016	23	10	7	40
Jul 2016	20	11	3	34
Aug 2016	22	12	2	36
Sep 2016	18	9	1	28
Oct 2016	22	13	1	36
Nov 2016	16	9	1	26
Dec 2016	4	4	0	8
Jan 2017	30	15	1	46
Feb 2017	11	8	1	20
Mar 2017	30	36	1	67
Apr 2017	41	38	4	83
May 2017	39	44	2	85
Jun 2017	28	32	0	60
Jul 2017	24	24	1	49
Aug 2017	10	28	1	39
Sep 2017	18	24	0	42
Oct 2017	10	24	0	34
Nov 2017	13	26	0	39
Dec 2017	6	21	0	27
Jan 2018	13	28	1	42
Feb 2018	11	34	1	46
Mar 2018	12	35	1	48
Apr 2018	11	35	0	46
May 2018	22	27	0	49
Jun 2018	20	42	0	62
Jul 2018	26	32	2	60
Aug 2018	16	29	0	45
Sep 2018	14	43	0	57
Oct 2018	15	34	1	50
Nov 2018	12	40	0	52
Dec 2018	19	33	0	52
Jan 2019	20	43	1	64
Feb 2019	20	31	1	52
Mar 2019	10	52	0	62
Apr 2019	14	30	0	44
May 2019	11	19	0	30
Jun 2019	15	29	0	44
Jul 2019	12	22	0	34
Aug 2019	10	35	0	45
Sep 2019	9	30	0	39
Oct 2019	11	42	2	55
Nov 2019	12	41	1	54
Dec 2019	15	30	3	48
Jan 2020	22	33	3	58
Feb 2020	13	32	0	45
Mar 2020	19	27	0	46
Apr 2020	14	23	3	40
May 2020	13	28	1	42
Jun 2020	32	32	2	66
Jul 2020	25	28	10	63
Aug 2020	8	29	7	44
Sep 2020	9	26	0	35
Oct 2020	6	30	1	37
Nov 2020	10	27	1	38
Dec 2020	20	33	2	55
Jan 2021	30	41	3	74
Feb 2021	23	41	1	65
Mar 2021	20	35	4	59
Apr 2021	22	51	8	81
May 2021	20	37	0	57
Jun 2021	26	43	0	69
Jul 2021	12	54	0	66
Aug 2021	18	51	0	69
Sep 2021	19	36	0	55
Oct 2021	14	59	1	74
Nov 2021	22	46	0	68
Dec 2021	29	19	2	50
Jan 2022	34	23	0	57
Feb 2022	34	32	2	68
Mar 2022	24	30	0	54
Apr 2022	20	11	2	33
May 2022	26	24	2	52
Jun 2022	8	8	1	17
Jul 2022	45	16	1	62
Aug 2022	28	12	0	40
Sep 2022	19	24	1	44
Oct 2022	33	28	3	64
Nov 2022	21	34	4	59
Dec 2022	36	15	3	54
Jan 2023	39	22	1	62
Feb 2023	39	25	3	67
Mar 2023	39	31	2	72
Apr 2023	27	14	0	41
May 2023	35	29	3	67
Jun 2023	33	21	1	55
Jul 2023	24	18	2	44
Aug 2023	33	20	2	55
Sep 2023	71	21	2	94
Oct 2023	159	23	3	185
Nov 2023	193	14	0	207
Dec 2023	38	9	1	48
Jan 2024	22	30	0	52
Feb 2024	28	27	1	56
Mar 2024	40	30	0	70
Apr 2024	33	30	3	66
May 2024	35	14	5	54
Jun 2024	66	29	2	97
Jul 2024	38	35	5	78
Aug 2024	48	30	3	81
Sep 2024	25	22	2	49
Oct 2024	43	27	2	72
Nov 2024	35	21	0	56
Dec 2024	92	33	12	137
Jan 2025	77	40	6	123
Feb 2025	82	24	7	113
Mar 2025	43	23	0	66
Apr 2025	60	26	1	87
May 2025	49	20	1	70
Jun 2025	78	20	6	104
Jul 2025	49	32	1	82
Aug 2025	66	43	4	113
Sep 2025	51	25	1	77
Oct 2025	49	38	3	90
Nov 2025	61	42	3	106

Cumulative views and downloads (calculated since 12 Sep 2014)

Month	HTML	PDF	XML	Total
Sep 2014	150	63	7	220
Oct 2014	86	39	6	131
Nov 2014	60	317	6	383
Dec 2014	69	26	10	105
Jan 2015	62	24	4	90
Feb 2015	19	4	0	23
Mar 2015	40	11	1	52
Apr 2015	30	7	0	37
May 2015	14	12	0	26
Jun 2015	255	113	4	372
Jul 2015	72	40	2	114
Aug 2015	55	36	3	94
Sep 2015	39	52	1	92
Oct 2015	42	38	1	81
Nov 2015	56	39	1	96
Dec 2015	31	28	0	59
Jan 2016	49	30	1	80
Feb 2016	32	24	3	59
Mar 2016	31	20	1	52
Apr 2016	15	18	1	34
May 2016	18	10	4	32
Jun 2016	23	10	7	40
Jul 2016	20	11	3	34
Aug 2016	22	12	2	36
Sep 2016	18	9	1	28
Oct 2016	22	13	1	36
Nov 2016	16	9	1	26
Dec 2016	4	4	0	8
Jan 2017	30	15	1	46
Feb 2017	11	8	1	20
Mar 2017	30	36	1	67
Apr 2017	41	38	4	83
May 2017	39	44	2	85
Jun 2017	28	32	0	60
Jul 2017	24	24	1	49
Aug 2017	10	28	1	39
Sep 2017	18	24	0	42
Oct 2017	10	24	0	34
Nov 2017	13	26	0	39
Dec 2017	6	21	0	27
Jan 2018	13	28	1	42
Feb 2018	11	34	1	46
Mar 2018	12	35	1	48
Apr 2018	11	35	0	46
May 2018	22	27	0	49
Jun 2018	20	42	0	62
Jul 2018	26	32	2	60
Aug 2018	16	29	0	45
Sep 2018	14	43	0	57
Oct 2018	15	34	1	50
Nov 2018	12	40	0	52
Dec 2018	19	33	0	52
Jan 2019	20	43	1	64
Feb 2019	20	31	1	52
Mar 2019	10	52	0	62
Apr 2019	14	30	0	44
May 2019	11	19	0	30
Jun 2019	15	29	0	44
Jul 2019	12	22	0	34
Aug 2019	10	35	0	45
Sep 2019	9	30	0	39
Oct 2019	11	42	2	55
Nov 2019	12	41	1	54
Dec 2019	15	30	3	48
Jan 2020	22	33	3	58
Feb 2020	13	32	0	45
Mar 2020	19	27	0	46
Apr 2020	14	23	3	40
May 2020	13	28	1	42
Jun 2020	32	32	2	66
Jul 2020	25	28	10	63
Aug 2020	8	29	7	44
Sep 2020	9	26	0	35
Oct 2020	6	30	1	37
Nov 2020	10	27	1	38
Dec 2020	20	33	2	55
Jan 2021	30	41	3	74
Feb 2021	23	41	1	65
Mar 2021	20	35	4	59
Apr 2021	22	51	8	81
May 2021	20	37	0	57
Jun 2021	26	43	0	69
Jul 2021	12	54	0	66
Aug 2021	18	51	0	69
Sep 2021	19	36	0	55
Oct 2021	14	59	1	74
Nov 2021	22	46	0	68
Dec 2021	29	19	2	50
Jan 2022	34	23	0	57
Feb 2022	34	32	2	68
Mar 2022	24	30	0	54
Apr 2022	20	11	2	33
May 2022	26	24	2	52
Jun 2022	8	8	1	17
Jul 2022	45	16	1	62
Aug 2022	28	12	0	40
Sep 2022	19	24	1	44
Oct 2022	33	28	3	64
Nov 2022	21	34	4	59
Dec 2022	36	15	3	54
Jan 2023	39	22	1	62
Feb 2023	39	25	3	67
Mar 2023	39	31	2	72
Apr 2023	27	14	0	41
May 2023	35	29	3	67
Jun 2023	33	21	1	55
Jul 2023	24	18	2	44
Aug 2023	33	20	2	55
Sep 2023	71	21	2	94
Oct 2023	159	23	3	185
Nov 2023	193	14	0	207
Dec 2023	38	9	1	48
Jan 2024	22	30	0	52
Feb 2024	28	27	1	56
Mar 2024	40	30	0	70
Apr 2024	33	30	3	66
May 2024	35	14	5	54
Jun 2024	66	29	2	97
Jul 2024	38	35	5	78
Aug 2024	48	30	3	81
Sep 2024	25	22	2	49
Oct 2024	43	27	2	72
Nov 2024	35	21	0	56
Dec 2024	92	33	12	137
Jan 2025	77	40	6	123
Feb 2025	82	24	7	113
Mar 2025	43	23	0	66
Apr 2025	60	26	1	87
May 2025	49	20	1	70
Jun 2025	78	20	6	104
Jul 2025	49	32	1	82
Aug 2025	66	43	4	113
Sep 2025	51	25	1	77
Oct 2025	49	38	3	90
Nov 2025	61	42	3	106

Latest update: 30 Nov 2025

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Short summary

This study of methane (CH4) and carbon dioxide (CO2) emission modes from 40 lakes along a latitudinal transect in Alaska revealed that thermokarst lakes formed in Pleistocene-aged icy, organic-rich yedoma-type permafrost had the highest emissions. Ebullition and diffusion were the dominant modes of CH4 and CO2 emissions, respectively. Accounting for the global warming potentials of the gases, the climate warming impact of lake CH4 emissions was 2 times higher than that of CO2.