Measurement of low-ppm mixing ratios of water vapor in the upper troposphere and lower stratosphere using chemical ionization mass spectrometry

Thornberry, T. D.; Rollins, A. W.; Gao, R. S.; Watts, L. A.; Ciciora, S. J.; McLaughlin, R. J.; Voigt, C.; Hall, B.; Fahey, D. W.

doi:10.5194/amt-6-1461-2013

Articles | Volume 6, issue 6

https://doi.org/10.5194/amt-6-1461-2013

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

https://doi.org/10.5194/amt-6-1461-2013

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

Articles | Volume 6, issue 6

Research article

|

04 Jun 2013

Research article |

| 04 Jun 2013

Measurement of low-ppm mixing ratios of water vapor in the upper troposphere and lower stratosphere using chemical ionization mass spectrometry

T. D. Thornberry, A. W. Rollins, R. S. Gao, L. A. Watts, S. J. Ciciora, R. J. McLaughlin, C. Voigt, B. Hall, and D. W. Fahey

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Month	HTML	PDF	XML	Total
Feb 2013	22	22	3	47
Mar 2013	25	26	0	51
Apr 2013	15	19	1	35
May 2013	17	29	0	46
Jun 2013	72	65	5	142
Jul 2013	31	35	0	66
Aug 2013	23	19	0	42
Sep 2013	22	32	4	58
Oct 2013	25	33	1	59
Nov 2013	22	28	1	51
Dec 2013	22	41	5	68
Jan 2014	25	34	7	66
Feb 2014	36	41	11	88
Mar 2014	33	35	6	74
Apr 2014	14	20	3	37
May 2014	14	26	3	43
Jun 2014	13	37	0	50
Jul 2014	11	38	0	49
Aug 2014	14	37	1	52
Sep 2014	9	31	0	40
Oct 2014	4	16	0	20
Nov 2014	14	28	0	42
Dec 2014	5	15	0	20
Jan 2015	4	21	0	25
Feb 2015	7	8	0	15
Mar 2015	10	9	1	20
Apr 2015	18	2	2	22
May 2015	6	7	0	13
Jun 2015	24	4	0	28
Jul 2015	18	2	0	20
Aug 2015	10	17	0	27
Sep 2015	7	2	0	9
Oct 2015	18	8	0	26
Nov 2015	13	1	0	14
Dec 2015	3	5	0	8
Jan 2016	20	7	0	27
Feb 2016	11	10	0	21
Mar 2016	19	9	0	28
Apr 2016	4	1	0	5
May 2016	7	3	0	10
Jun 2016	12	2	0	14
Jul 2016	14	1	2	17
Aug 2016	12	6	2	20
Sep 2016	11	3	0	14
Oct 2016	10	0	10
Nov 2016	14	7	0	21
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Jan 2017	11	2	0	13
Feb 2017	7	3	0	10
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Apr 2017	20	8	1	29
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Jun 2017	14	2	0	16
Jul 2017	9	5	0	14
Aug 2017	9	8	0	17
Sep 2017	4	6	0	10
Oct 2017	9	5	0	14
Nov 2017	11	8	0	19
Dec 2017	11	6	0	17
Jan 2018	8	10	0	18
Feb 2018	4	4	0	8
Mar 2018	9	10	1	20
Apr 2018	9	8	0	17
May 2018	12	9	0	21
Jun 2018	9	7	0	16
Jul 2018	6	9	0	15
Aug 2018	16	7	0	23
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Oct 2018	9	8	0	17
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Mar 2019	4	4	0	8
Apr 2019	11	9	1	21
May 2019	5	8	0	13
Jun 2019	6	7	0	13
Jul 2019	6	6	0	12
Aug 2019	9	6	2	17
Sep 2019	4	5	0	9
Oct 2019	9	10	1	20
Nov 2019	6	3	0	9
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Jan 2020	8	9	1	18
Feb 2020	6	10	0	16
Mar 2020	5	8	0	13
Apr 2020	6	6	0	12
May 2020	4	5	0	9
Jun 2020	16	7	1	24
Jul 2020	38	27	21	86
Aug 2020	11	9	7	27
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Oct 2020	10	6	1	17
Nov 2020	7	4	1	12
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Jan 2021	15	8	0	23
Feb 2021	16	13	0	29
Mar 2021	7	6	0	13
Apr 2021	8	13	0	21
May 2021	7	6	0	13
Jun 2021	5	11	0	16
Jul 2021	10	8	1	19
Aug 2021	10	8	0	18
Sep 2021	10	13	0	23
Oct 2021	7	39	0	46
Nov 2021	7	26	0	33
Dec 2021	11	6	1	18
Jan 2022	11	18	0	29
Feb 2022	9	8	1	18
Mar 2022	9	8	0	17
Apr 2022	5	5	1	11
May 2022	9	5	0	14
Jun 2022	5	7	0	12
Jul 2022	7	4	0	11
Aug 2022	11	8	1	20
Sep 2022	8	11	1	20
Oct 2022	12	8	0	20
Nov 2022	18	9	0	27
Dec 2022	11	12	2	25
Jan 2023	7	12	0	19
Feb 2023	12	8	1	21
Mar 2023	8	4	0	12
Apr 2023	5	2	0	7
May 2023	34	19	1	54
Jun 2023	37	6	2	45
Jul 2023	39	8	1	48
Aug 2023	36	6	2	44
Sep 2023	38	11	1	50
Oct 2023	47	4	1	52
Nov 2023	23	5	3	31
Dec 2023	45	7	2	54
Jan 2024	43	6	2	51
Feb 2024	36	9	1	46
Mar 2024	42	9	0	51
Apr 2024	41	13	6	60
May 2024	17	24	5	46
Jun 2024	47	13	3	63
Jul 2024	19	5	1	25
Aug 2024	29	8	3	40
Sep 2024	6	10	1	17
Oct 2024	14	12	0	26
Nov 2024	21	7	1	29
Dec 2024	13	10	0	23
Jan 2025	18	12	3	33
Feb 2025	15	8	1	24
Mar 2025	17	12	0	29
Apr 2025	25	13	1	39
May 2025	12	6	2	20
Jun 2025	33	22	0	55
Jul 2025	25	15	3	43
Aug 2025	34	30	1	65
Sep 2025	62	23	0	85
Oct 2025	28	20	1	49
Nov 2025	37	37	4	78

Cumulative views and downloads (calculated since 01 Feb 2013)

Month	HTML	PDF	XML	Total
Feb 2013	22	22	3	47
Mar 2013	25	26	0	51
Apr 2013	15	19	1	35
May 2013	17	29	0	46
Jun 2013	72	65	5	142
Jul 2013	31	35	0	66
Aug 2013	23	19	0	42
Sep 2013	22	32	4	58
Oct 2013	25	33	1	59
Nov 2013	22	28	1	51
Dec 2013	22	41	5	68
Jan 2014	25	34	7	66
Feb 2014	36	41	11	88
Mar 2014	33	35	6	74
Apr 2014	14	20	3	37
May 2014	14	26	3	43
Jun 2014	13	37	0	50
Jul 2014	11	38	0	49
Aug 2014	14	37	1	52
Sep 2014	9	31	0	40
Oct 2014	4	16	0	20
Nov 2014	14	28	0	42
Dec 2014	5	15	0	20
Jan 2015	4	21	0	25
Feb 2015	7	8	0	15
Mar 2015	10	9	1	20
Apr 2015	18	2	2	22
May 2015	6	7	0	13
Jun 2015	24	4	0	28
Jul 2015	18	2	0	20
Aug 2015	10	17	0	27
Sep 2015	7	2	0	9
Oct 2015	18	8	0	26
Nov 2015	13	1	0	14
Dec 2015	3	5	0	8
Jan 2016	20	7	0	27
Feb 2016	11	10	0	21
Mar 2016	19	9	0	28
Apr 2016	4	1	0	5
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Aug 2016	12	6	2	20
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Oct 2016	10	0	10
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Apr 2017	20	8	1	29
May 2017	15	3	0	18
Jun 2017	14	2	0	16
Jul 2017	9	5	0	14
Aug 2017	9	8	0	17
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Oct 2017	9	5	0	14
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Apr 2019	11	9	1	21
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Jun 2019	6	7	0	13
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Sep 2019	4	5	0	9
Oct 2019	9	10	1	20
Nov 2019	6	3	0	9
Dec 2019	11	5	0	16
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Feb 2020	6	10	0	16
Mar 2020	5	8	0	13
Apr 2020	6	6	0	12
May 2020	4	5	0	9
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Jul 2020	38	27	21	86
Aug 2020	11	9	7	27
Sep 2020	7	9	0	16
Oct 2020	10	6	1	17
Nov 2020	7	4	1	12
Dec 2020	9	14	0	23
Jan 2021	15	8	0	23
Feb 2021	16	13	0	29
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Apr 2021	8	13	0	21
May 2021	7	6	0	13
Jun 2021	5	11	0	16
Jul 2021	10	8	1	19
Aug 2021	10	8	0	18
Sep 2021	10	13	0	23
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Nov 2021	7	26	0	33
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Feb 2022	9	8	1	18
Mar 2022	9	8	0	17
Apr 2022	5	5	1	11
May 2022	9	5	0	14
Jun 2022	5	7	0	12
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Aug 2022	11	8	1	20
Sep 2022	8	11	1	20
Oct 2022	12	8	0	20
Nov 2022	18	9	0	27
Dec 2022	11	12	2	25
Jan 2023	7	12	0	19
Feb 2023	12	8	1	21
Mar 2023	8	4	0	12
Apr 2023	5	2	0	7
May 2023	34	19	1	54
Jun 2023	37	6	2	45
Jul 2023	39	8	1	48
Aug 2023	36	6	2	44
Sep 2023	38	11	1	50
Oct 2023	47	4	1	52
Nov 2023	23	5	3	31
Dec 2023	45	7	2	54
Jan 2024	43	6	2	51
Feb 2024	36	9	1	46
Mar 2024	42	9	0	51
Apr 2024	41	13	6	60
May 2024	17	24	5	46
Jun 2024	47	13	3	63
Jul 2024	19	5	1	25
Aug 2024	29	8	3	40
Sep 2024	6	10	1	17
Oct 2024	14	12	0	26
Nov 2024	21	7	1	29
Dec 2024	13	10	0	23
Jan 2025	18	12	3	33
Feb 2025	15	8	1	24
Mar 2025	17	12	0	29
Apr 2025	25	13	1	39
May 2025	12	6	2	20
Jun 2025	33	22	0	55
Jul 2025	25	15	3	43
Aug 2025	34	30	1	65
Sep 2025	62	23	0	85
Oct 2025	28	20	1	49
Nov 2025	37	37	4	78

Latest update: 27 Nov 2025