Revising the retrieval technique of a long-term stratospheric HNO<sub>3</sub> data set: from a constrained matrix inversion to the optimal estimation algorithm

Fiorucci, I.; Muscari, G.; de Zafra, R. L.

doi:10.5194/angeo-29-1317-2011

Articles | Volume 29, issue 7

https://doi.org/10.5194/angeo-29-1317-2011

© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/angeo-29-1317-2011

© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 29, issue 7

27 Jul 2011

| 27 Jul 2011

Revising the retrieval technique of a long-term stratospheric HNO₃ data set: from a constrained matrix inversion to the optimal estimation algorithm

I. Fiorucci, G. Muscari, and R. L. de Zafra

Viewed

Total article views: 1,783 (including HTML, PDF, and XML)

HTML	PDF	XML	Total	BibTeX	EndNote
961	745	77	1,783	94	121

HTML: 961
PDF: 745
XML: 77
Total: 1,783
BibTeX: 94
EndNote: 121

Views and downloads (calculated since 01 Feb 2013)

Month	HTML	PDF	XML	Total
Feb 2013	2	9	0	11
Mar 2013	6	9	3	18
Apr 2013	1	8	1	10
May 2013	2	8	0	10
Jun 2013	7	12	0	19
Jul 2013	3	6	0	9
Aug 2013	10	11	1	22
Sep 2013	2	8	0	10
Oct 2013	3	10	0	13
Nov 2013	2	7	0	9
Dec 2013	3	7	0	10
Jan 2014	2	7	0	9
Feb 2014	4	10	2	16
Mar 2014	14	15	5	34
Apr 2014	1	7	0	8
May 2014	2	6	0	8
Jun 2014	7	0	7
Jul 2014	1	9	0	10
Aug 2014	2	10	1	13
Sep 2014	3	9	0	12
Oct 2014	1	45	0	46
Nov 2014	3	12	0	15
Dec 2014	5	0	5
Jan 2015	2	4	0	6
Feb 2015	5	2	1	8
Mar 2015	5	3	1	9
Apr 2015	8	1	1	10
May 2015	9	3	0	12
Jun 2015	23	3	0	26
Jul 2015	15	1	0	16
Aug 2015	4	7	0	11
Sep 2015	2	3	0	5
Oct 2015	10	1	0	11
Nov 2015	12	3	0	15
Dec 2015	2	3	0	5
Jan 2016	15	6	0	21
Feb 2016	7	2	1	10
Mar 2016	11	4	0	15
Apr 2016	6	2	0	8
May 2016	7	2	0	9
Jun 2016	6	0	6
Jul 2016	4	2	1	7
Aug 2016	6	6	0	12
Sep 2016	5	3	0	8
Oct 2016	6	3	0	9
Nov 2016	3	1	0	4
Dec 2016	4	0	4
Jan 2017	7	1	1	9
Feb 2017	3	1	0	4
Mar 2017	8	3	0	11
Apr 2017	6	0	6
May 2017	11	1	0	12
Jun 2017	7	0	7
Jul 2017	8	1	0	9
Aug 2017	2	3	0	5
Sep 2017	3	4	0	7
Oct 2017	4	2	0	6
Nov 2017	5	4	1	10
Dec 2017	2	3	0	5
Jan 2018	4	5	0	9
Feb 2018	5	1	0	6
Mar 2018	4	2	0	6
Apr 2018	4	5	0	9
May 2018	4	3	0	7
Jun 2018	3	2	0	5
Jul 2018	7	9	2	18
Aug 2018	3	3	0	6
Sep 2018	3	4	0	7
Oct 2018	4	5	0	9
Nov 2018	7	5	1	13
Dec 2018	6	6	0	12
Jan 2019	2	5	0	7
Feb 2019	7	2	0	9
Mar 2019	7	5	0	12
Apr 2019	5	3	0	8
May 2019	5	6	0	11
Jun 2019	4	4	0	8
Jul 2019	4	0	4
Aug 2019	4	5	0	9
Sep 2019	1	2	0	3
Oct 2019	1	4	1	6
Nov 2019	1	5	0	6
Dec 2019	3	2	0	5
Jan 2020	10	3	0	13
Feb 2020	4	2	0	6
Mar 2020	1	2	0	3
Apr 2020	1	2	0	3
May 2020	2	2	0	4
Jun 2020	11	4	0	15
Jul 2020	13	2	3	18
Aug 2020	5	9	4	18
Sep 2020	6	0	6
Oct 2020	7	8	0	15
Nov 2020	7	8	0	15
Dec 2020	14	9	0	23
Jan 2021	15	8	0	23
Feb 2021	8	7	0	15
Mar 2021	8	9	1	18
Apr 2021	2	3	0	5
May 2021	8	6	0	14
Jun 2021	4	2	0	6
Jul 2021	4	2	0	6
Aug 2021	4	5	0	9
Sep 2021	9	2	0	11
Oct 2021	5	14	1	20
Nov 2021	6	10	0	16
Dec 2021	6	1	0	7
Jan 2022	8	3	0	11
Feb 2022	4	4	1	9
Mar 2022	5	5	0	10
Apr 2022	5	1	1	7
May 2022	4	2	0	6
Jun 2022	7	2	0	9
Jul 2022	7	1	0	8
Aug 2022	9	3	0	12
Sep 2022	2	2	0	4
Oct 2022	8	2	2	12
Nov 2022	10	9	0	19
Dec 2022	9	1	0	10
Jan 2023	5	2	0	7
Feb 2023	6	2	0	8
Mar 2023	2	2	0	4
Apr 2023	6	3	1	10
May 2023	8	7	3	18
Jun 2023	3	2	0	5
Jul 2023	4	0	4
Aug 2023	4	3	1	8
Sep 2023	7	3	2	12
Oct 2023	5	3	0	8
Nov 2023	5	1	6
Dec 2023	5	1	1	7
Jan 2024	2	1	0	3
Feb 2024	4	1	1	6
Mar 2024	4	5	0	9
Apr 2024	9	3	3	15
May 2024	6	4	4	14
Jun 2024	5	1	2	8
Jul 2024	5	2	2	9
Aug 2024	6	3	1	10
Sep 2024	2	1	0	3
Oct 2024	5	4	0	9
Nov 2024	6	1	1	8
Dec 2024	1	5	0	6
Jan 2025	4	5	0	9
Feb 2025	9	2	0	11
Mar 2025	13	4	1	18
Apr 2025	7	3	0	10
May 2025	12	3	2	17
Jun 2025	22	3	0	25
Jul 2025	5	11	0	16
Aug 2025	5	3	0	8
Sep 2025	17	7	2	26
Oct 2025	6	8	0	14
Nov 2025	13	14	0	27
Dec 2025	13	7	0	20
Jan 2026	25	6	3	34
Feb 2026	15	9	4	28
Mar 2026	6	4	3	13
Apr 2026	20	16	2	38
May 2026	5	4	0	9

Cumulative views and downloads (calculated since 01 Feb 2013)

Month	HTML	PDF	XML	Total
Feb 2013	2	9	0	11
Mar 2013	6	9	3	18
Apr 2013	1	8	1	10
May 2013	2	8	0	10
Jun 2013	7	12	0	19
Jul 2013	3	6	0	9
Aug 2013	10	11	1	22
Sep 2013	2	8	0	10
Oct 2013	3	10	0	13
Nov 2013	2	7	0	9
Dec 2013	3	7	0	10
Jan 2014	2	7	0	9
Feb 2014	4	10	2	16
Mar 2014	14	15	5	34
Apr 2014	1	7	0	8
May 2014	2	6	0	8
Jun 2014	7	0	7
Jul 2014	1	9	0	10
Aug 2014	2	10	1	13
Sep 2014	3	9	0	12
Oct 2014	1	45	0	46
Nov 2014	3	12	0	15
Dec 2014	5	0	5
Jan 2015	2	4	0	6
Feb 2015	5	2	1	8
Mar 2015	5	3	1	9
Apr 2015	8	1	1	10
May 2015	9	3	0	12
Jun 2015	23	3	0	26
Jul 2015	15	1	0	16
Aug 2015	4	7	0	11
Sep 2015	2	3	0	5
Oct 2015	10	1	0	11
Nov 2015	12	3	0	15
Dec 2015	2	3	0	5
Jan 2016	15	6	0	21
Feb 2016	7	2	1	10
Mar 2016	11	4	0	15
Apr 2016	6	2	0	8
May 2016	7	2	0	9
Jun 2016	6	0	6
Jul 2016	4	2	1	7
Aug 2016	6	6	0	12
Sep 2016	5	3	0	8
Oct 2016	6	3	0	9
Nov 2016	3	1	0	4
Dec 2016	4	0	4
Jan 2017	7	1	1	9
Feb 2017	3	1	0	4
Mar 2017	8	3	0	11
Apr 2017	6	0	6
May 2017	11	1	0	12
Jun 2017	7	0	7
Jul 2017	8	1	0	9
Aug 2017	2	3	0	5
Sep 2017	3	4	0	7
Oct 2017	4	2	0	6
Nov 2017	5	4	1	10
Dec 2017	2	3	0	5
Jan 2018	4	5	0	9
Feb 2018	5	1	0	6
Mar 2018	4	2	0	6
Apr 2018	4	5	0	9
May 2018	4	3	0	7
Jun 2018	3	2	0	5
Jul 2018	7	9	2	18
Aug 2018	3	3	0	6
Sep 2018	3	4	0	7
Oct 2018	4	5	0	9
Nov 2018	7	5	1	13
Dec 2018	6	6	0	12
Jan 2019	2	5	0	7
Feb 2019	7	2	0	9
Mar 2019	7	5	0	12
Apr 2019	5	3	0	8
May 2019	5	6	0	11
Jun 2019	4	4	0	8
Jul 2019	4	0	4
Aug 2019	4	5	0	9
Sep 2019	1	2	0	3
Oct 2019	1	4	1	6
Nov 2019	1	5	0	6
Dec 2019	3	2	0	5
Jan 2020	10	3	0	13
Feb 2020	4	2	0	6
Mar 2020	1	2	0	3
Apr 2020	1	2	0	3
May 2020	2	2	0	4
Jun 2020	11	4	0	15
Jul 2020	13	2	3	18
Aug 2020	5	9	4	18
Sep 2020	6	0	6
Oct 2020	7	8	0	15
Nov 2020	7	8	0	15
Dec 2020	14	9	0	23
Jan 2021	15	8	0	23
Feb 2021	8	7	0	15
Mar 2021	8	9	1	18
Apr 2021	2	3	0	5
May 2021	8	6	0	14
Jun 2021	4	2	0	6
Jul 2021	4	2	0	6
Aug 2021	4	5	0	9
Sep 2021	9	2	0	11
Oct 2021	5	14	1	20
Nov 2021	6	10	0	16
Dec 2021	6	1	0	7
Jan 2022	8	3	0	11
Feb 2022	4	4	1	9
Mar 2022	5	5	0	10
Apr 2022	5	1	1	7
May 2022	4	2	0	6
Jun 2022	7	2	0	9
Jul 2022	7	1	0	8
Aug 2022	9	3	0	12
Sep 2022	2	2	0	4
Oct 2022	8	2	2	12
Nov 2022	10	9	0	19
Dec 2022	9	1	0	10
Jan 2023	5	2	0	7
Feb 2023	6	2	0	8
Mar 2023	2	2	0	4
Apr 2023	6	3	1	10
May 2023	8	7	3	18
Jun 2023	3	2	0	5
Jul 2023	4	0	4
Aug 2023	4	3	1	8
Sep 2023	7	3	2	12
Oct 2023	5	3	0	8
Nov 2023	5	1	6
Dec 2023	5	1	1	7
Jan 2024	2	1	0	3
Feb 2024	4	1	1	6
Mar 2024	4	5	0	9
Apr 2024	9	3	3	15
May 2024	6	4	4	14
Jun 2024	5	1	2	8
Jul 2024	5	2	2	9
Aug 2024	6	3	1	10
Sep 2024	2	1	0	3
Oct 2024	5	4	0	9
Nov 2024	6	1	1	8
Dec 2024	1	5	0	6
Jan 2025	4	5	0	9
Feb 2025	9	2	0	11
Mar 2025	13	4	1	18
Apr 2025	7	3	0	10
May 2025	12	3	2	17
Jun 2025	22	3	0	25
Jul 2025	5	11	0	16
Aug 2025	5	3	0	8
Sep 2025	17	7	2	26
Oct 2025	6	8	0	14
Nov 2025	13	14	0	27
Dec 2025	13	7	0	20
Jan 2026	25	6	3	34
Feb 2026	15	9	4	28
Mar 2026	6	4	3	13
Apr 2026	20	16	2	38
May 2026	5	4	0	9

Cited

Latest update: 19 May 2026

Revising the retrieval technique of a long-term stratospheric HNO3 data set: from a constrained matrix inversion to the optimal estimation algorithm

Viewed

Cited

1 citations as recorded by crossref.

Revising the retrieval technique of a long-term stratospheric HNO₃ data set: from a constrained matrix inversion to the optimal estimation algorithm