Small-scale heterogeneity of trace metals including rare earth elements and yttrium in deep-sea sediments and porewaters of the Peru Basin, southeastern equatorial Pacific

Paul, Sophie A. L.; Haeckel, Matthias; Bau, Michael; Bajracharya, Rajina; Koschinsky, Andrea

doi:10.5194/bg-16-4829-2019

Articles | Volume 16, issue 24

https://doi.org/10.5194/bg-16-4829-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Assessing environmental impacts of deep-sea mining...

https://doi.org/10.5194/bg-16-4829-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 16, issue 24

Research article

|

20 Dec 2019

Research article |

| 20 Dec 2019

Small-scale heterogeneity of trace metals including rare earth elements and yttrium in deep-sea sediments and porewaters of the Peru Basin, southeastern equatorial Pacific

Sophie A. L. Paul, Matthias Haeckel, Michael Bau, Rajina Bajracharya, and Andrea Koschinsky

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Aug 2019	31	6	1	38
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Oct 2019	8	6	0	14
Nov 2019	11	11	0	22
Dec 2019	162	33	2	197
Jan 2020	65	35	2	102
Feb 2020	37	19	2	58
Mar 2020	20	15	1	36
Apr 2020	25	13	0	38
May 2020	43	13	2	58
Jun 2020	32	20	1	53
Jul 2020	49	22	4	75
Aug 2020	30	7	4	41
Sep 2020	34	21	2	57
Oct 2020	33	14	2	49
Nov 2020	19	20	1	40
Dec 2020	16	12	1	29
Jan 2021	26	18	1	45
Feb 2021	32	8	2	42
Mar 2021	30	13	0	43
Apr 2021	13	12	1	26
May 2021	14	13	0	27
Jun 2021	21	11	0	32
Jul 2021	17	16	2	35
Aug 2021	18	15	0	33
Sep 2021	14	5	0	19
Oct 2021	16	32	0	48
Nov 2021	35	42	1	78
Dec 2021	48	14	2	64
Jan 2022	22	12	0	34
Feb 2022	16	10	2	28
Mar 2022	27	8	0	35
Apr 2022	28	13	1	42
May 2022	29	11	0	40
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Jul 2022	23	8	0	31
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Nov 2022	33	11	0	44
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Jan 2023	34	12	1	47
Feb 2023	36	16	4	56
Mar 2023	40	10	3	53
Apr 2023	13	11	2	26
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Jun 2023	28	7	3	38
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Aug 2023	12	5	2	19
Sep 2023	18	7	0	25
Oct 2023	12	10	4	26
Nov 2023	5	1	0	6
Dec 2023	16	10	1	27
Jan 2024	28	10	2	40
Feb 2024	12	16	0	28
Mar 2024	18	16	1	35
Apr 2024	24	9	3	36
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Jun 2024	68	9	20	97
Jul 2024	50	7	4	61
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Sep 2024	30	12	0	42
Oct 2024	43	15	4	62
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Dec 2024	25	18	3	46
Jan 2025	29	14	2	45
Feb 2025	41	13	3	57
Mar 2025	26	6	2	34
Apr 2025	26	25	1	52
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Jun 2025	50	16	0	66
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Aug 2025	31	24	2	57
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Oct 2025	37	37	3	77
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Cumulative views and downloads (calculated since 25 Jul 2019)

Month	HTML	PDF	XML	Total
Jul 2019	106	27	1	134
Aug 2019	31	6	1	38
Sep 2019	30	9	0	39
Oct 2019	8	6	0	14
Nov 2019	11	11	0	22
Dec 2019	162	33	2	197
Jan 2020	65	35	2	102
Feb 2020	37	19	2	58
Mar 2020	20	15	1	36
Apr 2020	25	13	0	38
May 2020	43	13	2	58
Jun 2020	32	20	1	53
Jul 2020	49	22	4	75
Aug 2020	30	7	4	41
Sep 2020	34	21	2	57
Oct 2020	33	14	2	49
Nov 2020	19	20	1	40
Dec 2020	16	12	1	29
Jan 2021	26	18	1	45
Feb 2021	32	8	2	42
Mar 2021	30	13	0	43
Apr 2021	13	12	1	26
May 2021	14	13	0	27
Jun 2021	21	11	0	32
Jul 2021	17	16	2	35
Aug 2021	18	15	0	33
Sep 2021	14	5	0	19
Oct 2021	16	32	0	48
Nov 2021	35	42	1	78
Dec 2021	48	14	2	64
Jan 2022	22	12	0	34
Feb 2022	16	10	2	28
Mar 2022	27	8	0	35
Apr 2022	28	13	1	42
May 2022	29	11	0	40
Jun 2022	25	9	2	36
Jul 2022	23	8	0	31
Aug 2022	195	9	2	206
Sep 2022	75	13	0	88
Oct 2022	51	10	3	64
Nov 2022	33	11	0	44
Dec 2022	20	10	0	30
Jan 2023	34	12	1	47
Feb 2023	36	16	4	56
Mar 2023	40	10	3	53
Apr 2023	13	11	2	26
May 2023	13	11	1	25
Jun 2023	28	7	3	38
Jul 2023	23	10	1	34
Aug 2023	12	5	2	19
Sep 2023	18	7	0	25
Oct 2023	12	10	4	26
Nov 2023	5	1	0	6
Dec 2023	16	10	1	27
Jan 2024	28	10	2	40
Feb 2024	12	16	0	28
Mar 2024	18	16	1	35
Apr 2024	24	9	3	36
May 2024	30	15	3	48
Jun 2024	68	9	20	97
Jul 2024	50	7	4	61
Aug 2024	47	8	6	61
Sep 2024	30	12	0	42
Oct 2024	43	15	4	62
Nov 2024	29	9	2	40
Dec 2024	25	18	3	46
Jan 2025	29	14	2	45
Feb 2025	41	13	3	57
Mar 2025	26	6	2	34
Apr 2025	26	25	1	52
May 2025	42	8	0	50
Jun 2025	50	16	0	66
Jul 2025	29	18	3	50
Aug 2025	31	24	2	57
Sep 2025	77	28	2	107
Oct 2025	37	37	3	77
Nov 2025	18	15	0	33

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Short summary

We studied the upper 10 m of deep-sea sediments, including pore water, in the Peru Basin to understand small-scale variability of trace metals. Our results show high spatial variability related to topographical variations, which in turn impact organic matter contents, degradation processes, and trace metal cycling. Another interesting finding was the influence of dissolving buried nodules on the surrounding sediment and trace metal cycling.


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