Intercomparison of low- and high-resolution infrared spectrometers for ground-based solar remote sensing measurements of total column concentrations of CO<sub>2</sub>, CH<sub>4</sub>, and CO

Sha, Mahesh Kumar; De Mazière, Martine; Notholt, Justus; Blumenstock, Thomas; Chen, Huilin; Dehn, Angelika; Griffith, David W. T.; Hase, Frank; Heikkinen, Pauli; Hermans, Christian; Hoffmann, Alex; Huebner, Marko; Jones, Nicholas; Kivi, Rigel; Langerock, Bavo; Petri, Christof; Scolas, Francis; Tu, Qiansi; Weidmann, Damien

doi:10.5194/amt-13-4791-2020

Articles | Volume 13, issue 9

https://doi.org/10.5194/amt-13-4791-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-13-4791-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 13, issue 9

Research article

|

10 Sep 2020

Research article |

| 10 Sep 2020

Intercomparison of low- and high-resolution infrared spectrometers for ground-based solar remote sensing measurements of total column concentrations of CO₂, CH₄, and CO

Mahesh Kumar Sha, Martine De Mazière, Justus Notholt, Thomas Blumenstock, Huilin Chen, Angelika Dehn, David W. T. Griffith, Frank Hase, Pauli Heikkinen, Christian Hermans, Alex Hoffmann, Marko Huebner, Nicholas Jones, Rigel Kivi, Bavo Langerock, Christof Petri, Francis Scolas, Qiansi Tu, and Damien Weidmann

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Dec 2019	50	17	0	67
Jan 2020	34	11	0	45
Feb 2020	16	13	0	29
Mar 2020	25	17	1	43
Apr 2020	33	29	3	65
May 2020	30	20	0	50
Jun 2020	31	1	0	32
Jul 2020	30	16	6	52
Aug 2020	32	9	1	42
Sep 2020	156	68	3	227
Oct 2020	54	37	2	93
Nov 2020	38	25	1	64
Dec 2020	39	13	0	52
Jan 2021	39	20	0	59
Feb 2021	34	15	0	49
Mar 2021	44	27	0	71
Apr 2021	37	22	1	60
May 2021	59	31	1	91
Jun 2021	39	17	0	56
Jul 2021	32	12	0	44
Aug 2021	53	24	1	78
Sep 2021	45	25	0	70
Oct 2021	20	49	1	70
Nov 2021	51	39	2	92
Dec 2021	69	16	1	86
Jan 2022	70	29	2	101
Feb 2022	57	18	1	76
Mar 2022	89	32	0	121
Apr 2022	67	11	1	79
May 2022	40	9	1	50
Jun 2022	38	22	1	61
Jul 2022	43	16	0	59
Aug 2022	52	21	0	73
Sep 2022	36	16	1	53
Oct 2022	104	16	2	122
Nov 2022	70	20	0	90
Dec 2022	69	21	0	90
Jan 2023	82	30	2	114
Feb 2023	58	15	1	74
Mar 2023	77	24	2	103
Apr 2023	70	11	0	81
May 2023	59	23	1	83
Jun 2023	53	17	2	72
Jul 2023	63	17	0	80
Aug 2023	84	13	4	101
Sep 2023	71	21	2	94
Oct 2023	77	28	2	107
Nov 2023	19	1	0	20
Dec 2023	95	11	1	107
Jan 2024	70	11	0	81
Feb 2024	41	22	1	64
Mar 2024	74	34	1	109
Apr 2024	73	13	3	89
May 2024	48	15	5	68
Jun 2024	81	17	2	100
Jul 2024	309	14	5	328
Aug 2024	79	19	11	109
Sep 2024	54	14	3	71
Oct 2024	60	17	0	77
Nov 2024	76	7	4	87
Dec 2024	52	7	2	61
Jan 2025	53	12	2	67
Feb 2025	89	13	1	103
Mar 2025	51	13	0	64
Apr 2025	55	19	1	75
May 2025	86	19	3	108
Jun 2025	101	31	0	132
Jul 2025	64	19	4	87
Aug 2025	108	23	6	137
Sep 2025	213	19	2	234
Oct 2025	64	18	1	83
Nov 2025	131	31	3	165

Cumulative views and downloads (calculated since 11 Nov 2019)

Month	HTML	PDF	XML	Total
Nov 2019	97	45	1	143
Dec 2019	50	17	0	67
Jan 2020	34	11	0	45
Feb 2020	16	13	0	29
Mar 2020	25	17	1	43
Apr 2020	33	29	3	65
May 2020	30	20	0	50
Jun 2020	31	1	0	32
Jul 2020	30	16	6	52
Aug 2020	32	9	1	42
Sep 2020	156	68	3	227
Oct 2020	54	37	2	93
Nov 2020	38	25	1	64
Dec 2020	39	13	0	52
Jan 2021	39	20	0	59
Feb 2021	34	15	0	49
Mar 2021	44	27	0	71
Apr 2021	37	22	1	60
May 2021	59	31	1	91
Jun 2021	39	17	0	56
Jul 2021	32	12	0	44
Aug 2021	53	24	1	78
Sep 2021	45	25	0	70
Oct 2021	20	49	1	70
Nov 2021	51	39	2	92
Dec 2021	69	16	1	86
Jan 2022	70	29	2	101
Feb 2022	57	18	1	76
Mar 2022	89	32	0	121
Apr 2022	67	11	1	79
May 2022	40	9	1	50
Jun 2022	38	22	1	61
Jul 2022	43	16	0	59
Aug 2022	52	21	0	73
Sep 2022	36	16	1	53
Oct 2022	104	16	2	122
Nov 2022	70	20	0	90
Dec 2022	69	21	0	90
Jan 2023	82	30	2	114
Feb 2023	58	15	1	74
Mar 2023	77	24	2	103
Apr 2023	70	11	0	81
May 2023	59	23	1	83
Jun 2023	53	17	2	72
Jul 2023	63	17	0	80
Aug 2023	84	13	4	101
Sep 2023	71	21	2	94
Oct 2023	77	28	2	107
Nov 2023	19	1	0	20
Dec 2023	95	11	1	107
Jan 2024	70	11	0	81
Feb 2024	41	22	1	64
Mar 2024	74	34	1	109
Apr 2024	73	13	3	89
May 2024	48	15	5	68
Jun 2024	81	17	2	100
Jul 2024	309	14	5	328
Aug 2024	79	19	11	109
Sep 2024	54	14	3	71
Oct 2024	60	17	0	77
Nov 2024	76	7	4	87
Dec 2024	52	7	2	61
Jan 2025	53	12	2	67
Feb 2025	89	13	1	103
Mar 2025	51	13	0	64
Apr 2025	55	19	1	75
May 2025	86	19	3	108
Jun 2025	101	31	0	132
Jul 2025	64	19	4	87
Aug 2025	108	23	6	137
Sep 2025	213	19	2	234
Oct 2025	64	18	1	83
Nov 2025	131	31	3	165

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Short summary

We present the results of the 2017 FRM4GHG campaign at the Sodankylä TCCON site aimed at characterising the assessment of several low-cost portable instruments for precise solar absorption measurements of column-averaged dry-air mole fractions of CO₂, CH₄, and CO. The test instruments provided stable and precise measurements of these gases with quantified small biases. This qualifies the instruments to complement TCCON and expand the global coverage of ground-based measurements of these gases.


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Intercomparison of low- and high-resolution infrared spectrometers for ground-based solar remote sensing measurements of total column concentrations of CO2, CH4, and CO

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Intercomparison of low- and high-resolution infrared spectrometers for ground-based solar remote sensing measurements of total column concentrations of CO₂, CH₄, and CO