Investigating the impacts of Saharan dust on tropical deep convection using spectral bin microphysics

Gibbons, Matthew; Min, Qilong; Fan, Jiwen

doi:10.5194/acp-18-12161-2018

Articles | Volume 18, issue 16

https://doi.org/10.5194/acp-18-12161-2018

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

https://doi.org/10.5194/acp-18-12161-2018

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

Articles | Volume 18, issue 16

Research article

|

23 Aug 2018

Research article |

| 23 Aug 2018

Investigating the impacts of Saharan dust on tropical deep convection using spectral bin microphysics

Matthew Gibbons, Qilong Min, and Jiwen Fan

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Total article views: 3,903 (including HTML, PDF, and XML)

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Month	HTML	PDF	XML	Total
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Sep 2017	67	34	2	103
Oct 2017	27	8	0	35
Nov 2017	10	4	0	14
Dec 2017	16	5	1	22
Jan 2018	13	8	1	22
Feb 2018	13	9	2	24
Mar 2018	9	11	0	20
Apr 2018	14	3	2	19
May 2018	15	5	0	20
Jun 2018	9	5	1	15
Jul 2018	7	4	0	11
Aug 2018	214	67	5	286
Sep 2018	85	46	4	135
Oct 2018	25	13	3	41
Nov 2018	21	18	1	40
Dec 2018	11	11	1	23
Jan 2019	11	7	1	19
Feb 2019	7	11	0	18
Mar 2019	12	11	0	23
Apr 2019	8	11	3	22
May 2019	11	11	0	22
Jun 2019	27	12	0	39
Jul 2019	11	10	0	21
Aug 2019	10	12	0	22
Sep 2019	9	11	1	21
Oct 2019	19	18	1	38
Nov 2019	11	9	0	20
Dec 2019	14	10	1	25
Jan 2020	14	5	0	19
Feb 2020	12	0	12
Mar 2020	11	8	0	19
Apr 2020	9	6	0	15
May 2020	15	2	0	17
Jun 2020	11	11	0	22
Jul 2020	16	10	4	30
Aug 2020	10	7	3	20
Sep 2020	12	9	1	22
Oct 2020	7	14	0	21
Nov 2020	7	4	0	11
Dec 2020	4	4	0	8
Jan 2021	17	8	0	25
Feb 2021	10	8	0	18
Mar 2021	11	13	0	24
Apr 2021	11	11	0	22
May 2021	8	10	1	19
Jun 2021	8	6	0	14
Jul 2021	10	8	0	18
Aug 2021	3	3	0	6
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Oct 2021	6	29	1	36
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Dec 2021	16	8	0	24
Jan 2022	12	7	1	20
Feb 2022	8	5	1	14
Mar 2022	8	7	0	15
Apr 2022	4	5	1	10
May 2022	6	6	0	12
Jun 2022	12	2	1	15
Jul 2022	24	4	0	28
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Sep 2022	4	3	0	7
Oct 2022	7	2	0	9
Nov 2022	14	17	1	32
Dec 2022	11	4	0	15
Jan 2023	15	6	0	21
Feb 2023	24	7	0	31
Mar 2023	18	7	0	25
Apr 2023	3	14	1	18
May 2023	6	7	0	13
Jun 2023	10	4	1	15
Jul 2023	20	6	1	27
Aug 2023	23	6	1	30
Sep 2023	27	6	1	34
Oct 2023	42	8	1	51
Nov 2023	46	3	0	49
Dec 2023	130	2	1	133
Jan 2024	239	7	0	246
Feb 2024	76	10	0	86
Mar 2024	54	16	2	72
Apr 2024	72	8	3	83
May 2024	94	15	3	112
Jun 2024	51	7	3	61
Jul 2024	62	9	4	75
Aug 2024	68	8	3	79
Sep 2024	30	6	0	36
Oct 2024	31	3	0	34
Nov 2024	15	6	2	23
Dec 2024	19	3	1	23
Jan 2025	25	4	2	31
Feb 2025	54	10	0	64
Mar 2025	25	12	2	39
Apr 2025	26	19	2	47
May 2025	29	6	0	35
Jun 2025	48	11	7	66
Jul 2025	28	17	2	47
Aug 2025	38	18	0	56
Sep 2025	52	14	3	69
Oct 2025	18	23	0	41
Nov 2025	51	24	5	80
Dec 2025	9	4	1	14

Cumulative views and downloads (calculated since 30 Aug 2017)

Month	HTML	PDF	XML	Total
Aug 2017	64	23	2	89
Sep 2017	67	34	2	103
Oct 2017	27	8	0	35
Nov 2017	10	4	0	14
Dec 2017	16	5	1	22
Jan 2018	13	8	1	22
Feb 2018	13	9	2	24
Mar 2018	9	11	0	20
Apr 2018	14	3	2	19
May 2018	15	5	0	20
Jun 2018	9	5	1	15
Jul 2018	7	4	0	11
Aug 2018	214	67	5	286
Sep 2018	85	46	4	135
Oct 2018	25	13	3	41
Nov 2018	21	18	1	40
Dec 2018	11	11	1	23
Jan 2019	11	7	1	19
Feb 2019	7	11	0	18
Mar 2019	12	11	0	23
Apr 2019	8	11	3	22
May 2019	11	11	0	22
Jun 2019	27	12	0	39
Jul 2019	11	10	0	21
Aug 2019	10	12	0	22
Sep 2019	9	11	1	21
Oct 2019	19	18	1	38
Nov 2019	11	9	0	20
Dec 2019	14	10	1	25
Jan 2020	14	5	0	19
Feb 2020	12	0	12
Mar 2020	11	8	0	19
Apr 2020	9	6	0	15
May 2020	15	2	0	17
Jun 2020	11	11	0	22
Jul 2020	16	10	4	30
Aug 2020	10	7	3	20
Sep 2020	12	9	1	22
Oct 2020	7	14	0	21
Nov 2020	7	4	0	11
Dec 2020	4	4	0	8
Jan 2021	17	8	0	25
Feb 2021	10	8	0	18
Mar 2021	11	13	0	24
Apr 2021	11	11	0	22
May 2021	8	10	1	19
Jun 2021	8	6	0	14
Jul 2021	10	8	0	18
Aug 2021	3	3	0	6
Sep 2021	9	10	0	19
Oct 2021	6	29	1	36
Nov 2021	14	33	0	47
Dec 2021	16	8	0	24
Jan 2022	12	7	1	20
Feb 2022	8	5	1	14
Mar 2022	8	7	0	15
Apr 2022	4	5	1	10
May 2022	6	6	0	12
Jun 2022	12	2	1	15
Jul 2022	24	4	0	28
Aug 2022	58	5	0	63
Sep 2022	4	3	0	7
Oct 2022	7	2	0	9
Nov 2022	14	17	1	32
Dec 2022	11	4	0	15
Jan 2023	15	6	0	21
Feb 2023	24	7	0	31
Mar 2023	18	7	0	25
Apr 2023	3	14	1	18
May 2023	6	7	0	13
Jun 2023	10	4	1	15
Jul 2023	20	6	1	27
Aug 2023	23	6	1	30
Sep 2023	27	6	1	34
Oct 2023	42	8	1	51
Nov 2023	46	3	0	49
Dec 2023	130	2	1	133
Jan 2024	239	7	0	246
Feb 2024	76	10	0	86
Mar 2024	54	16	2	72
Apr 2024	72	8	3	83
May 2024	94	15	3	112
Jun 2024	51	7	3	61
Jul 2024	62	9	4	75
Aug 2024	68	8	3	79
Sep 2024	30	6	0	36
Oct 2024	31	3	0	34
Nov 2024	15	6	2	23
Dec 2024	19	3	1	23
Jan 2025	25	4	2	31
Feb 2025	54	10	0	64
Mar 2025	25	12	2	39
Apr 2025	26	19	2	47
May 2025	29	6	0	35
Jun 2025	48	11	7	66
Jul 2025	28	17	2	47
Aug 2025	38	18	0	56
Sep 2025	52	14	3	69
Oct 2025	18	23	0	41
Nov 2025	51	24	5	80
Dec 2025	9	4	1	14

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Total article views: 3,903 (including HTML, PDF, and XML) Thereof 3,848 with geography defined and 55 with unknown origin.

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Short summary

The effects of dust aerosols on ice formation within a tropical Atlantic thunderstorm system were investigated using a 3-D weather model and compared with observations. Updated ice formation mechanisms directly connect available dust particles with ice particle formation. The resulting clouds were lower and narrower and produced less rain at the surface compared to cleaner conditions, due to ice formation occurring at warmer temperatures. These results agree well with observed changes.


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