Connecting regional aerosol emissions reductions to local and remote precipitation responses

Westervelt, Daniel M.; Conley, Andrew J.; Fiore, Arlene M.; Lamarque, Jean-François; Shindell, Drew T.; Previdi, Michael; Mascioli, Nora R.; Faluvegi, Greg; Correa, Gustavo; Horowitz, Larry W.

doi:10.5194/acp-18-12461-2018

Articles | Volume 18, issue 16

https://doi.org/10.5194/acp-18-12461-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-18-12461-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 16

Research article

| Highlight paper

|

28 Aug 2018

Research article | Highlight paper |

| 28 Aug 2018

Connecting regional aerosol emissions reductions to local and remote precipitation responses

Daniel M. Westervelt, Andrew J. Conley, Arlene M. Fiore, Jean-François Lamarque, Drew T. Shindell, Michael Previdi, Nora R. Mascioli, Greg Faluvegi, Gustavo Correa, and Larry W. Horowitz

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Aug 2018	433	90	17	540
Sep 2018	289	114	9	412
Oct 2018	93	42	5	140
Nov 2018	49	40	0	89
Dec 2018	30	23	0	53
Jan 2019	21	16	1	38
Feb 2019	39	16	1	56
Mar 2019	56	19	1	76
Apr 2019	48	21	0	69
May 2019	57	19	0	76
Jun 2019	54	19	0	73
Jul 2019	70	17	1	88
Aug 2019	41	11	0	52
Sep 2019	63	11	0	74
Oct 2019	67	31	1	99
Nov 2019	49	10	2	61
Dec 2019	46	9	0	55
Jan 2020	40	10	0	50
Feb 2020	41	10	2	53
Mar 2020	46	4	1	51
Apr 2020	87	7	0	94
May 2020	83	6	1	90
Jun 2020	50	13	0	63
Jul 2020	74	14	5	93
Aug 2020	66	10	2	78
Sep 2020	76	7	2	85
Oct 2020	30	8	0	38
Nov 2020	46	9	0	55
Dec 2020	73	5	0	78
Jan 2021	74	13	0	87
Feb 2021	63	9	0	72
Mar 2021	63	15	0	78
Apr 2021	64	5	0	69
May 2021	72	9	2	83
Jun 2021	69	6	0	75
Jul 2021	79	10	0	89
Aug 2021	70	16	0	86
Sep 2021	65	10	0	75
Oct 2021	45	40	1	86
Nov 2021	57	31	2	90
Dec 2021	87	11	1	99
Jan 2022	64	10	3	77
Feb 2022	52	14	4	70
Mar 2022	57	9	1	67
Apr 2022	50	8	2	60
May 2022	39	11	1	51
Jun 2022	53	5	0	58
Jul 2022	61	8	1	70
Aug 2022	156	8	0	164
Sep 2022	40	7	0	47
Oct 2022	56	3	0	59
Nov 2022	77	11	1	89
Dec 2022	47	4	0	51
Jan 2023	67	13	3	83
Feb 2023	69	6	0	75
Mar 2023	85	13	0	98
Apr 2023	68	12	1	81
May 2023	59	14	0	73
Jun 2023	70	12	1	83
Jul 2023	74	11	1	86
Aug 2023	77	8	3	88
Sep 2023	86	6	0	92
Oct 2023	69	14	3	86
Nov 2023	34	6	0	40
Dec 2023	38	8	1	47
Jan 2024	40	2	1	43
Feb 2024	42	14	0	56
Mar 2024	51	21	1	73
Apr 2024	57	11	5	73
May 2024	36	11	3	50
Jun 2024	64	9	2	75
Jul 2024	77	13	5	95
Aug 2024	56	7	6	69
Sep 2024	33	7	2	42
Oct 2024	42	8	0	50
Nov 2024	42	6	2	50
Dec 2024	66	11	6	83
Jan 2025	88	12	0	100
Feb 2025	76	16	0	92
Mar 2025	49	14	1	64
Apr 2025	35	15	1	51
May 2025	66	9	0	75
Jun 2025	97	15	2	114
Jul 2025	83	15	3	101
Aug 2025	92	18	4	114
Sep 2025	131	19	4	154
Oct 2025	59	34	0	93
Nov 2025	34	20	2	56

Cumulative views and downloads (calculated since 05 Jun 2018)

Month	HTML	PDF	XML	Total
Jun 2018	242	81	2	325
Jul 2018	50	14	0	64
Aug 2018	433	90	17	540
Sep 2018	289	114	9	412
Oct 2018	93	42	5	140
Nov 2018	49	40	0	89
Dec 2018	30	23	0	53
Jan 2019	21	16	1	38
Feb 2019	39	16	1	56
Mar 2019	56	19	1	76
Apr 2019	48	21	0	69
May 2019	57	19	0	76
Jun 2019	54	19	0	73
Jul 2019	70	17	1	88
Aug 2019	41	11	0	52
Sep 2019	63	11	0	74
Oct 2019	67	31	1	99
Nov 2019	49	10	2	61
Dec 2019	46	9	0	55
Jan 2020	40	10	0	50
Feb 2020	41	10	2	53
Mar 2020	46	4	1	51
Apr 2020	87	7	0	94
May 2020	83	6	1	90
Jun 2020	50	13	0	63
Jul 2020	74	14	5	93
Aug 2020	66	10	2	78
Sep 2020	76	7	2	85
Oct 2020	30	8	0	38
Nov 2020	46	9	0	55
Dec 2020	73	5	0	78
Jan 2021	74	13	0	87
Feb 2021	63	9	0	72
Mar 2021	63	15	0	78
Apr 2021	64	5	0	69
May 2021	72	9	2	83
Jun 2021	69	6	0	75
Jul 2021	79	10	0	89
Aug 2021	70	16	0	86
Sep 2021	65	10	0	75
Oct 2021	45	40	1	86
Nov 2021	57	31	2	90
Dec 2021	87	11	1	99
Jan 2022	64	10	3	77
Feb 2022	52	14	4	70
Mar 2022	57	9	1	67
Apr 2022	50	8	2	60
May 2022	39	11	1	51
Jun 2022	53	5	0	58
Jul 2022	61	8	1	70
Aug 2022	156	8	0	164
Sep 2022	40	7	0	47
Oct 2022	56	3	0	59
Nov 2022	77	11	1	89
Dec 2022	47	4	0	51
Jan 2023	67	13	3	83
Feb 2023	69	6	0	75
Mar 2023	85	13	0	98
Apr 2023	68	12	1	81
May 2023	59	14	0	73
Jun 2023	70	12	1	83
Jul 2023	74	11	1	86
Aug 2023	77	8	3	88
Sep 2023	86	6	0	92
Oct 2023	69	14	3	86
Nov 2023	34	6	0	40
Dec 2023	38	8	1	47
Jan 2024	40	2	1	43
Feb 2024	42	14	0	56
Mar 2024	51	21	1	73
Apr 2024	57	11	5	73
May 2024	36	11	3	50
Jun 2024	64	9	2	75
Jul 2024	77	13	5	95
Aug 2024	56	7	6	69
Sep 2024	33	7	2	42
Oct 2024	42	8	0	50
Nov 2024	42	6	2	50
Dec 2024	66	11	6	83
Jan 2025	88	12	0	100
Feb 2025	76	16	0	92
Mar 2025	49	14	1	64
Apr 2025	35	15	1	51
May 2025	66	9	0	75
Jun 2025	97	15	2	114
Jul 2025	83	15	3	101
Aug 2025	92	18	4	114
Sep 2025	131	19	4	154
Oct 2025	59	34	0	93
Nov 2025	34	20	2	56

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Short summary

Small particles in Earth's atmosphere (also referred to as atmospheric aerosols) emitted by human activities impact Earth's climate in complex ways and play an important role in Earth's water cycle. We use a climate modeling approach and find that aerosols from the United States and Europe can have substantial effects on rainfall in far-away regions such as Africa's Sahel or the Mediterranean. Air pollution controls in these regions may help reduce the likelihood and severity of Sahel drought.


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