Constraining black carbon aerosol over Asia using OMI aerosol absorption optical depth and the adjoint of GEOS-Chem

Zhang, L.; Henze, D. K.; Grell, G. A.; Carmichael, G. R.; Bousserez, N.; Zhang, Q.; Torres, O.; Ahn, C.; Lu, Z.; Cao, J.; Mao, Y.

doi:10.5194/acp-15-10281-2015

Articles | Volume 15, issue 18

https://doi.org/10.5194/acp-15-10281-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

East Asia emissions assessment (EA2)

https://doi.org/10.5194/acp-15-10281-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 18

Research article

|

17 Sep 2015

Research article |

| 17 Sep 2015

Constraining black carbon aerosol over Asia using OMI aerosol absorption optical depth and the adjoint of GEOS-Chem

L. Zhang, D. K. Henze, G. A. Grell, G. R. Carmichael, N. Bousserez, Q. Zhang, O. Torres, C. Ahn, Z. Lu, J. Cao, and Y. Mao

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BibTeX: 186
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Views and downloads (calculated since 17 Nov 2014)

Month	HTML	PDF	XML	Total
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Jan 2015	15	23	8	46
Feb 2015	23	39	1	63
Mar 2015	11	29	1	41
Apr 2015	17	34	0	51
May 2015	13	24	1	38
Jun 2015	13	11	5	29
Jul 2015	15	7	2	24
Aug 2015	13	11	3	27
Sep 2015	162	141	4	307
Oct 2015	71	61	1	133
Nov 2015	61	80	6	147
Dec 2015	21	55	4	80
Jan 2016	47	60	3	110
Feb 2016	38	52	1	91
Mar 2016	26	49	0	75
Apr 2016	14	34	0	48
May 2016	15	26	1	42
Jun 2016	7	9	1	17
Jul 2016	16	6	2	24
Aug 2016	13	14	0	27
Sep 2016	20	14	2	36
Oct 2016	17	7	1	25
Nov 2016	16	6	0	22
Dec 2016	1	8	0	9
Jan 2017	20	6	0	26
Feb 2017	16	15	0	31
Mar 2017	32	20	4	56
Apr 2017	30	17	0	47
May 2017	35	20	5	60
Jun 2017	29	8	3	40
Jul 2017	23	5	0	28
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Oct 2017	15	16	1	32
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Mar 2018	20	17	1	38
Apr 2018	18	23	0	41
May 2018	12	11	0	23
Jun 2018	10	17	1	28
Jul 2018	13	15	1	29
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Apr 2019	13	13	0	26
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Aug 2019	6	6	0	12
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Jun 2023	47	15	2	64
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Aug 2023	42	10	3	55
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Oct 2023	55	13	2	70
Nov 2023	33	6	0	39
Dec 2023	45	11	1	57
Jan 2024	48	7	1	56
Feb 2024	44	15	0	59
Mar 2024	48	25	3	76
Apr 2024	42	13	6	61
May 2024	20	17	1	38
Jun 2024	27	14	1	42
Jul 2024	26	10	4	40
Aug 2024	27	9	2	38
Sep 2024	14	3	0	17
Oct 2024	15	4	0	19
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Dec 2024	15	7	3	25
Jan 2025	22	6	3	31
Feb 2025	38	15	5	58
Mar 2025	12	11	0	23
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May 2025	20	6	0	26
Jun 2025	50	21	1	72
Jul 2025	43	30	3	76
Aug 2025	45	14	3	62
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Oct 2025	31	32	2	65
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Cumulative views and downloads (calculated since 17 Nov 2014)

Month	HTML	PDF	XML	Total
Nov 2014	138	109	5	252
Dec 2014	36	41	13	90
Jan 2015	15	23	8	46
Feb 2015	23	39	1	63
Mar 2015	11	29	1	41
Apr 2015	17	34	0	51
May 2015	13	24	1	38
Jun 2015	13	11	5	29
Jul 2015	15	7	2	24
Aug 2015	13	11	3	27
Sep 2015	162	141	4	307
Oct 2015	71	61	1	133
Nov 2015	61	80	6	147
Dec 2015	21	55	4	80
Jan 2016	47	60	3	110
Feb 2016	38	52	1	91
Mar 2016	26	49	0	75
Apr 2016	14	34	0	48
May 2016	15	26	1	42
Jun 2016	7	9	1	17
Jul 2016	16	6	2	24
Aug 2016	13	14	0	27
Sep 2016	20	14	2	36
Oct 2016	17	7	1	25
Nov 2016	16	6	0	22
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Mar 2023	24	12	0	36
Apr 2023	15	19	0	34
May 2023	37	12	0	49
Jun 2023	47	15	2	64
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Aug 2023	42	10	3	55
Sep 2023	51	13	0	64
Oct 2023	55	13	2	70
Nov 2023	33	6	0	39
Dec 2023	45	11	1	57
Jan 2024	48	7	1	56
Feb 2024	44	15	0	59
Mar 2024	48	25	3	76
Apr 2024	42	13	6	61
May 2024	20	17	1	38
Jun 2024	27	14	1	42
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Dec 2024	15	7	3	25
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Feb 2025	38	15	5	58
Mar 2025	12	11	0	23
Apr 2025	15	21	3	39
May 2025	20	6	0	26
Jun 2025	50	21	1	72
Jul 2025	43	30	3	76
Aug 2025	45	14	3	62
Sep 2025	86	14	9	109
Oct 2025	31	32	2	65
Nov 2025	9	8	0	17

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Short summary

We attempt to reduce uncertainties in BC emissions and improve BC model simulations by developing top-down, spatially resolved, estimates of BC emissions through assimilation of OMI observations of aerosol absorption optical depth (AAOD) with the GEOS-Chem model and its adjoint for April and October of 2006. Despite the limitations and uncertainties, using OMI AAOD to constrain BC sources we are able to improve model representation of BC distributions, particularly over China.