CO<sub>2</sub> flux determination by closed-chamber methods can be seriously biased by inappropriate application of linear regression

Kutzbach, L.; Schneider, J.; Sachs, T.; Giebels, M.; Nykänen, H.; Shurpali, N. J.; Martikainen, P. J.; Alm, J.; Wilmking, M.

doi:10.5194/bg-4-1005-2007

Articles | Volume 4, issue 6

https://doi.org/10.5194/bg-4-1005-2007

© Author(s) 2007. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

Special issue:

Greenhouse gases in the Northern Hemisphere

https://doi.org/10.5194/bg-4-1005-2007

© Author(s) 2007. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

Articles | Volume 4, issue 6

20 Nov 2007

| 20 Nov 2007

CO₂ flux determination by closed-chamber methods can be seriously biased by inappropriate application of linear regression

L. Kutzbach, J. Schneider, T. Sachs, M. Giebels, H. Nykänen, N. J. Shurpali, P. J. Martikainen, J. Alm, and M. Wilmking

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Total article views: 9,310 (including HTML, PDF, and XML)

HTML	PDF	XML	Total	BibTeX	EndNote
3,777	5,336	197	9,310	201	205

HTML: 3,777
PDF: 5,336
XML: 197
Total: 9,310
BibTeX: 201
EndNote: 205

Views and downloads (calculated since 01 Feb 2013, article published on 06 Jul 2007)

Month	HTML	PDF	XML	Total
Feb 2013	29	78	6	113
Mar 2013	13	54	1	68
Apr 2013	25	42	1	68
May 2013	6	49	1	56
Jun 2013	26	70	0	96
Jul 2013	23	64	0	87
Aug 2013	23	40	1	64
Sep 2013	20	49	1	70
Oct 2013	32	68	3	103
Nov 2013	33	64	2	99
Dec 2013	30	65	5	100
Jan 2014	32	65	7	104
Feb 2014	31	93	9	133
Mar 2014	37	69	7	113
Apr 2014	20	87	3	110
May 2014	13	77	3	93
Jun 2014	20	97	1	118
Jul 2014	17	133	5	155
Aug 2014	19	123	1	143
Sep 2014	22	156	2	180
Oct 2014	24	121	1	146
Nov 2014	24	115	1	140
Dec 2014	16	97	1	114
Jan 2015	10	73	2	85
Feb 2015	17	36	0	53
Mar 2015	10	18	0	28
Apr 2015	28	29	1	58
May 2015	10	22	0	32
Jun 2015	47	30	0	77
Jul 2015	28	54	0	82
Aug 2015	16	56	0	72
Sep 2015	14	55	1	70
Oct 2015	35	57	3	95
Nov 2015	41	53	0	94
Dec 2015	14	60	0	74
Jan 2016	34	69	0	103
Feb 2016	29	52	0	81
Mar 2016	23	48	0	71
Apr 2016	23	25	1	49
May 2016	28	22	3	53
Jun 2016	16	23	5	44
Jul 2016	14	8	2	24
Aug 2016	7	9	0	16
Sep 2016	14	15	0	29
Oct 2016	17	15	0	32
Nov 2016	8	15	0	23
Dec 2016	10	13	0	23
Jan 2017	13	13	0	26
Feb 2017	9	15	0	24
Mar 2017	25	24	3	52
Apr 2017	27	31	4	62
May 2017	24	27	2	53
Jun 2017	28	25	0	53
Jul 2017	26	28	1	55
Aug 2017	12	21	1	34
Sep 2017	19	26	0	45
Oct 2017	8	22	0	30
Nov 2017	14	29	0	43
Dec 2017	16	20	0	36
Jan 2018	11	19	0	30
Feb 2018	13	27	0	40
Mar 2018	23	30	1	54
Apr 2018	5	29	0	34
May 2018	15	35	0	50
Jun 2018	16	27	0	43
Jul 2018	11	23	0	34
Aug 2018	28	24	0	52
Sep 2018	35	23	0	58
Oct 2018	38	35	2	75
Nov 2018	14	36	1	51
Dec 2018	18	23	0	41
Jan 2019	18	11	0	29
Feb 2019	4	13	1	18
Mar 2019	8	19	0	27
Apr 2019	13	13	3	29
May 2019	10	25	0	35
Jun 2019	11	38	0	49
Jul 2019	8	10	0	18
Aug 2019	10	20	0	30
Sep 2019	13	13	0	26
Oct 2019	13	23	0	36
Nov 2019	9	17	0	26
Dec 2019	10	17	0	27
Jan 2020	11	16	4	31
Feb 2020	12	22	0	34
Mar 2020	11	31	2	44
Apr 2020	13	8	1	22
May 2020	17	25	3	45
Jun 2020	22	14	1	37
Jul 2020	30	27	9	66
Aug 2020	12	19	7	38
Sep 2020	13	16	1	30
Oct 2020	15	15	1	31
Nov 2020	14	27	2	43
Dec 2020	23	24	1	48
Jan 2021	26	18	1	45
Feb 2021	19	27	1	47
Mar 2021	29	36	1	66
Apr 2021	29	23	0	52
May 2021	20	18	0	38
Jun 2021	17	16	1	34
Jul 2021	21	15	0	36
Aug 2021	18	23	1	42
Sep 2021	36	21	0	57
Oct 2021	21	16	0	37
Nov 2021	28	23	0	51
Dec 2021	32	22	0	54
Jan 2022	34	33	0	67
Feb 2022	26	15	1	42
Mar 2022	20	16	1	37
Apr 2022	21	31	0	52
May 2022	20	26	1	47
Jun 2022	24	20	1	45
Jul 2022	25	27	1	53
Aug 2022	29	23	0	52
Sep 2022	19	15	0	34
Oct 2022	21	18	0	39
Nov 2022	21	18	0	39
Dec 2022	29	19	0	48
Jan 2023	45	24	5	74
Feb 2023	40	30	2	72
Mar 2023	55	36	0	91
Apr 2023	28	29	0	57
May 2023	22	27	0	49
Jun 2023	41	25	2	68
Jul 2023	43	17	0	60
Aug 2023	41	39	3	83
Sep 2023	19	27	0	46
Oct 2023	30	27	1	58
Nov 2023	19	15	0	34
Dec 2023	30	16	1	47
Jan 2024	44	26	1	71
Feb 2024	31	32	3	66
Mar 2024	34	22	1	57
Apr 2024	30	20	6	56
May 2024	41	25	2	68
Jun 2024	39	16	3	58
Jul 2024	40	27	2	69
Aug 2024	54	24	2	80
Sep 2024	29	19	0	48
Oct 2024	36	21	1	58
Nov 2024	21	31	0	52
Dec 2024	32	23	1	56
Jan 2025	29	23	0	52
Feb 2025	66	30	6	102
Mar 2025	55	20	1	76
Apr 2025	47	24	1	72
May 2025	46	11	1	58
Jun 2025	65	41	0	106
Jul 2025	46	45	0	91
Aug 2025	31	18	0	49
Sep 2025	55	30	4	89
Oct 2025	42	82	4	128
Nov 2025	58	74	3	135
Dec 2025	12	13	0	25

Cumulative views and downloads (calculated since 01 Feb 2013, article published on 06 Jul 2007)

Month	HTML	PDF	XML	Total
Feb 2013	29	78	6	113
Mar 2013	13	54	1	68
Apr 2013	25	42	1	68
May 2013	6	49	1	56
Jun 2013	26	70	0	96
Jul 2013	23	64	0	87
Aug 2013	23	40	1	64
Sep 2013	20	49	1	70
Oct 2013	32	68	3	103
Nov 2013	33	64	2	99
Dec 2013	30	65	5	100
Jan 2014	32	65	7	104
Feb 2014	31	93	9	133
Mar 2014	37	69	7	113
Apr 2014	20	87	3	110
May 2014	13	77	3	93
Jun 2014	20	97	1	118
Jul 2014	17	133	5	155
Aug 2014	19	123	1	143
Sep 2014	22	156	2	180
Oct 2014	24	121	1	146
Nov 2014	24	115	1	140
Dec 2014	16	97	1	114
Jan 2015	10	73	2	85
Feb 2015	17	36	0	53
Mar 2015	10	18	0	28
Apr 2015	28	29	1	58
May 2015	10	22	0	32
Jun 2015	47	30	0	77
Jul 2015	28	54	0	82
Aug 2015	16	56	0	72
Sep 2015	14	55	1	70
Oct 2015	35	57	3	95
Nov 2015	41	53	0	94
Dec 2015	14	60	0	74
Jan 2016	34	69	0	103
Feb 2016	29	52	0	81
Mar 2016	23	48	0	71
Apr 2016	23	25	1	49
May 2016	28	22	3	53
Jun 2016	16	23	5	44
Jul 2016	14	8	2	24
Aug 2016	7	9	0	16
Sep 2016	14	15	0	29
Oct 2016	17	15	0	32
Nov 2016	8	15	0	23
Dec 2016	10	13	0	23
Jan 2017	13	13	0	26
Feb 2017	9	15	0	24
Mar 2017	25	24	3	52
Apr 2017	27	31	4	62
May 2017	24	27	2	53
Jun 2017	28	25	0	53
Jul 2017	26	28	1	55
Aug 2017	12	21	1	34
Sep 2017	19	26	0	45
Oct 2017	8	22	0	30
Nov 2017	14	29	0	43
Dec 2017	16	20	0	36
Jan 2018	11	19	0	30
Feb 2018	13	27	0	40
Mar 2018	23	30	1	54
Apr 2018	5	29	0	34
May 2018	15	35	0	50
Jun 2018	16	27	0	43
Jul 2018	11	23	0	34
Aug 2018	28	24	0	52
Sep 2018	35	23	0	58
Oct 2018	38	35	2	75
Nov 2018	14	36	1	51
Dec 2018	18	23	0	41
Jan 2019	18	11	0	29
Feb 2019	4	13	1	18
Mar 2019	8	19	0	27
Apr 2019	13	13	3	29
May 2019	10	25	0	35
Jun 2019	11	38	0	49
Jul 2019	8	10	0	18
Aug 2019	10	20	0	30
Sep 2019	13	13	0	26
Oct 2019	13	23	0	36
Nov 2019	9	17	0	26
Dec 2019	10	17	0	27
Jan 2020	11	16	4	31
Feb 2020	12	22	0	34
Mar 2020	11	31	2	44
Apr 2020	13	8	1	22
May 2020	17	25	3	45
Jun 2020	22	14	1	37
Jul 2020	30	27	9	66
Aug 2020	12	19	7	38
Sep 2020	13	16	1	30
Oct 2020	15	15	1	31
Nov 2020	14	27	2	43
Dec 2020	23	24	1	48
Jan 2021	26	18	1	45
Feb 2021	19	27	1	47
Mar 2021	29	36	1	66
Apr 2021	29	23	0	52
May 2021	20	18	0	38
Jun 2021	17	16	1	34
Jul 2021	21	15	0	36
Aug 2021	18	23	1	42
Sep 2021	36	21	0	57
Oct 2021	21	16	0	37
Nov 2021	28	23	0	51
Dec 2021	32	22	0	54
Jan 2022	34	33	0	67
Feb 2022	26	15	1	42
Mar 2022	20	16	1	37
Apr 2022	21	31	0	52
May 2022	20	26	1	47
Jun 2022	24	20	1	45
Jul 2022	25	27	1	53
Aug 2022	29	23	0	52
Sep 2022	19	15	0	34
Oct 2022	21	18	0	39
Nov 2022	21	18	0	39
Dec 2022	29	19	0	48
Jan 2023	45	24	5	74
Feb 2023	40	30	2	72
Mar 2023	55	36	0	91
Apr 2023	28	29	0	57
May 2023	22	27	0	49
Jun 2023	41	25	2	68
Jul 2023	43	17	0	60
Aug 2023	41	39	3	83
Sep 2023	19	27	0	46
Oct 2023	30	27	1	58
Nov 2023	19	15	0	34
Dec 2023	30	16	1	47
Jan 2024	44	26	1	71
Feb 2024	31	32	3	66
Mar 2024	34	22	1	57
Apr 2024	30	20	6	56
May 2024	41	25	2	68
Jun 2024	39	16	3	58
Jul 2024	40	27	2	69
Aug 2024	54	24	2	80
Sep 2024	29	19	0	48
Oct 2024	36	21	1	58
Nov 2024	21	31	0	52
Dec 2024	32	23	1	56
Jan 2025	29	23	0	52
Feb 2025	66	30	6	102
Mar 2025	55	20	1	76
Apr 2025	47	24	1	72
May 2025	46	11	1	58
Jun 2025	65	41	0	106
Jul 2025	46	45	0	91
Aug 2025	31	18	0	49
Sep 2025	55	30	4	89
Oct 2025	42	82	4	128
Nov 2025	58	74	3	135
Dec 2025	12	13	0	25

Latest update: 06 Dec 2025

CO2 flux determination by closed-chamber methods can be seriously biased by inappropriate application of linear regression

Viewed

CO₂ flux determination by closed-chamber methods can be seriously biased by inappropriate application of linear regression