Citation:

PANGAEA.962547

Name: Biological nitrogen fixation and stable isotopes of carbon in seston during Meteor cruise M119
Published: 2023-09-27
License: https://creativecommons.org/licenses/by/4.0/
Keywords: biological nitrogen fixation; diazotrophs; Equatorial Atlantic; Guinea Dome

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Abstract:

Biological nitrogen fixation is a key process balancing the loss of combined nitrogen in the marine nitrogen cycle. Its relevance in upwelling systems is not fully resolved. This dataset contains rates of nitrogen fixation through the euphotic layer in two size fractions measured following Montoya et al (1996) technique. It also contains the stable isotopes of carbon in seston expressed in delta notation (δ13C, ‰, VPDB). We sampled in the region of the Guinea Dome and Equatorial Atlantic Ocean along 23°W during Meteor cruise M119 in September 2015. Water samples were collected by niskin bottles attached to a rosette equipped with CTD sensors. Incubations were done in on-deck incubators refrigerated by running surface water continuously and simulating the light intensity of each depth by neutral density filters or meshes.

Keyword(s):

biological nitrogen fixation; diazotrophs; Equatorial Atlantic; Guinea Dome

Supplement to:

Fernández-Carrera, Ana; Kiko, Rainer; Hauss, Helena; Hamilton, Douglas S; Achterberg, Eric Pieter; Montoya, Joseph P; Dengler, Marcus; Brandt, Peter; Subramaniam, Ajit (2023): Nitrogen fixation rates in the Guinea Dome and the equatorial upwelling regions in the Atlantic Ocean. Biogeochemistry, https://doi.org/10.1007/s10533-023-01089-w

Related to:

Krahmann, Gerd (2016): Physical oceanography during METEOR cruise M119 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.860484

References:

Montoya, Joseph P; Voss, Maren; Kähler, Paul; Capone, D G (1996): A Simple, High-Precision, High-Sensitivity Tracer Assay for N2 Fixation. Applied and Environmental Microbiology, 62(3), 986-993, https://doi.org/10.1128/aem.62.3.986-993.1996

Funding:

Gordon and Betty Moore Foundation, grant/award no. GBMF4886: Nitrogen Fixation in the Equatorial Atlantic Upwelling System

Xunta de Galicia, grant/award no. POS-A/2013/142: Xunta de Galicia 2013 postdoctoral fellowship

Coverage:

Median Latitude: 5.663093 * Median Longitude: -23.048968 * South-bound Latitude: -4.500000 * West-bound Longitude: -24.295500 * North-bound Latitude: 17.604500 * East-bound Longitude: -21.210000

Date/Time Start: 2015-09-09T18:29:00 * Date/Time End: 2015-09-26T07:21:00

Minimum Elevation: -5893.0 m * Maximum Elevation: -1313.0 m

Event(s):

M119_692-1 (CTD003) * Latitude: 17.604500 * Longitude: -24.295500 * Date/Time: 2015-09-09T18:29:00 * Elevation: -3613.0 m * Campaign: * Basis: * Method/Device: (CTD-RO)

M119_698-1 (CTD005) * Latitude: 14.499170 * Longitude: -23.000330 * Date/Time: 2015-09-11T11:08:00 * Elevation: -4093.0 m * Campaign: * Basis: * Method/Device: (CTD-RO)

M119_703-1 (CTD007) * Latitude: 13.499670 * Longitude: -23.000670 * Date/Time: 2015-09-11T23:22:00 * Elevation: -4542.0 m * Campaign: * Basis: * Method/Device: (CTD-RO)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Subramaniam, Ajit
2	Sample code/label	Sample label		Subramaniam, Ajit
3	Gear	Gear		Subramaniam, Ajit
4	Abbreviation	Abbrev		Subramaniam, Ajit
5	DATE/TIME	Date/Time		Subramaniam, Ajit		Geocode
6	LATITUDE	Latitude		Subramaniam, Ajit		Geocode
7	LONGITUDE	Longitude		Subramaniam, Ajit		Geocode
8	ELEVATION	Elevation	m a.s.l.	Subramaniam, Ajit		Geocode
9	Location	Location		Subramaniam, Ajit
10	DEPTH, water	Depth water	m	Subramaniam, Ajit	CTD, Sea-Bird, SBE 11 plus	Geocode
11	Temperature, water	Temp	°C	Subramaniam, Ajit	CTD, Sea-Bird, SBE 11 plus	data from Krahmann (2016)
12	Salinity	Sal		Subramaniam, Ajit	CTD, Sea-Bird, SBE 11 plus	water, PSU (data from Krahmann 2016)
13	δ13C, seston	δ13C sest	‰ PDB	Subramaniam, Ajit	Continuous flow isotope ratio mass spectrometer (CF-IRMS), Micromass, Optima; coupled with Elemental analyser, Carlo Erba, NC2500	VPDB
14	Trichodesmium, carbon in seston	Trichodesmium C sest	%	Subramaniam, Ajit	Calculated according to Fry (2006)	Percent contribution of Trichodesmium to C in seston derived by two-end-member mixing model. End members δ13C Tricho = -12.9‰, δ13C Phytoplankton = -22‰
15	Nitrogen	N	%	Subramaniam, Ajit	Continuous flow isotope ratio mass spectrometer (CF-IRMS), Micromass, Optima; coupled with Elemental analyser, Carlo Erba, NC2500	atom%N at the beginning of incubation, natural abundance (time 0)
16	Sample volume	Samp vol	ml	Subramaniam, Ajit		V incubated
17	Nitrogen, 15N labeled	15N2	ml	Subramaniam, Ajit		added: Cambridge Isotopes98 atom%, Cambridge Isotopes Lot. #I-19168A
18	Incubation duration	Inc dur	h	Subramaniam, Ajit
19	Nitrogen, particulate, size fraction <10 µm	PN <10 µm	µmol/l	Subramaniam, Ajit	Continuous flow isotope ratio mass spectrometer (CF-IRMS), Micromass, Optima; coupled with Elemental analyser, Carlo Erba, NC2500	Small T24, avg: Average of Particulate Nitrogen in the <10µm size fraction at the end of incubation (time 24)
20	Nitrogen, particulate, size fraction <10 µm, standard deviation	PN <10 µm std dev	±	Subramaniam, Ajit	Continuous flow isotope ratio mass spectrometer (CF-IRMS), Micromass, Optima; coupled with Elemental analyser, Carlo Erba, NC2500	Small T24 SD: Standard Deviation of Particulate Nitrogen in the <10µm size fraction at the end of incubation (time 24)
21	Nitrogen, particulate, size fraction > 10 µm	PN >10 µm	µmol/l	Subramaniam, Ajit	Continuous flow isotope ratio mass spectrometer (CF-IRMS), Micromass, Optima; coupled with Elemental analyser, Carlo Erba, NC2500	Large T24, avg: Average of Particulate Nitrogen in the >10µm size fraction at the end of incubation (time 24)
22	Nitrogen, particulate, size fraction > 10 µm, standard deviation	PN >10 µm std dev	±	Subramaniam, Ajit	Continuous flow isotope ratio mass spectrometer (CF-IRMS), Micromass, Optima; coupled with Elemental analyser, Carlo Erba, NC2500	Large T24 SD: Standard Deviation of Particulate Nitrogen in the >10µm size fraction at the end of incubation (time 24)
23	Nitrogen fixation rate, size fraction < 10 µm	N2 fix <10 µm	nmol/l/day	Subramaniam, Ajit	Calculated according to Montoya et al. (1996)	BNF small, avg: Average of Biological Nitrogen Fixation (BNF) of the <10µm size fraction. Detection limit 0.05 nmol N L-1 d-1
24	Nitrogen fixation rate, size fraction < 10 µm, standard deviation	N2 fix <10 µm std dev	±	Subramaniam, Ajit	Calculated according to Montoya et al. (1996)	BNF small SD: Standard Deviation of Biological Nitrogen Fixation (BNF) of the <10µm size fraction. Detection limit 0.05 nmol N L-1 d-1
25	Nitrogen fixation rate, size fraction > 10 µm	N2 fix >10 µm	nmol/l/day	Subramaniam, Ajit	Calculated according to Montoya et al. (1996)	BNF large, avg: Average of Biological Nitrogen Fixation (BNF) of the >10µm size fraction. Detection limit 0.05 nmol N L-1 d-1
26	Nitrogen fixation rate, size fraction > 10 µm, standard deviation	N2 fix >10 µm std dev	±	Subramaniam, Ajit	Calculated according to Montoya et al. (1996)	BNF large SD: Standard Deviation of Biological Nitrogen Fixation (BNF) of the >10µm size fraction. Detection limit 0.05 nmol N L-1 d-1
27	Nitrogen fixation rate, total	N2 fix total	nmol/l/day	Subramaniam, Ajit	Calculated according to Montoya et al. (1996)	BNF total, avg: Standard Deviation of Biological Nitrogen Fixation (BNF) of the sum of both size fractions. Detection limit 0.05 nmol N L-1 d-1
28	Nitrogen fixation rate, total, standard deviation	N2 fix total std dev	±	Subramaniam, Ajit	Calculated according to Montoya et al. (1996)	BNF total SD: Average of Biological Nitrogen Fixation (BNF) of the sum of both size fractions. Detection limit 0.05 nmol N L-1 d-1

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

1170 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Event	2 Sample label	3 Gear	4 Abbrev	5 Date/Time	6 Latitude	7 Longitude	8 Elevation [m a.s.l.]	9 Location	10 Depth water [m]	11 Temp [°C]	12 Sal	13 δ13C sest [‰ PDB]	14 Trichodesmium C sest [%]	15 N [%]	16 Samp vol [ml]	17 15N2 [ml]	18 Inc dur [h]	19 PN <10 µm [µmol/l]	20 PN <10 µm std dev [±]	21 PN >10 µm [µmol/l]	22 PN >10 µm std dev [±]	23 N2 fix <10 µm [nmol/l/day]	24 N2 fix <10 µm std dev [±]	25 N2 fix >10 µm [nmol/l/day]	26 N2 fix >10 µm std dev [±]	27 N2 fix total [nmol/l/day]	28 N2 fix total std dev [±]
M119_692-1	CTD003	CTD/Rosette	CTD-RO	2015-09-09T18:29	17.60450	-24.29550	-3613	Eastern Tropical Atlantic Ocean	61.3	17.5	36.2	-26.6	0.0	0.3648	4543	3.0	24.6	0.20	0.01			0.08	0.02	0.00	0.00	0.08	0.02
M119_692-1	CTD003	CTD/Rosette	CTD-RO	2015-09-09T18:29	17.60450	-24.29550	-3613	Eastern Tropical Atlantic Ocean	35.3	22.0	36.3	-24.3	0.0	0.3662	4543	3.0	24.4	0.45	0.04			0.07	0.01	0.00	0.00	0.07	0.01
M119_692-1	CTD003	CTD/Rosette	CTD-RO	2015-09-09T18:29	17.60450	-24.29550	-3613	Eastern Tropical Atlantic Ocean	21.4	24.3	36.2	-23.9	0.0	0.3671	4543	3.0	24.3	0.55	0.16			0.10	0.01	0.00	0.00	0.10	0.01
M119_692-1	CTD003	CTD/Rosette	CTD-RO	2015-09-09T18:29	17.60450	-24.29550	-3613	Eastern Tropical Atlantic Ocean	6.8	26.2	36.3	-23.2	0.0	0.3675	4543	3.0	24.2	0.49	0.03			0.35	0.05	0.00	0.00	0.35	0.05
M119_698-1	CTD005	CTD/Rosette	CTD-RO	2015-09-11T11:08	14.49917	-23.00033	-4093	Eastern Tropical Atlantic Ocean	61.2	15.9	35.7	-27.7	0.0	0.3668	4543	3.0	25.1	0.18	0.02			0.00	0.00	0.00	0.00	0.00	0.00
M119_698-1	CTD005	CTD/Rosette	CTD-RO	2015-09-11T11:08	14.49917	-23.00033	-4093	Eastern Tropical Atlantic Ocean	35.5	21.6	35.9	-24.9	0.0	0.3664	4543	3.0	25.0	0.44	0.01			0.00	0.00	0.00	0.00	0.00	0.00
M119_698-1	CTD005	CTD/Rosette	CTD-RO	2015-09-11T11:08	14.49917	-23.00033	-4093	Eastern Tropical Atlantic Ocean	21.6	28.5	35.7	-20.7	14.7	0.3640	4543	3.0	24.9	0.78	0.09			1.55	0.32	0.00	0.00	1.55	0.32
M119_698-1	CTD005	CTD/Rosette	CTD-RO	2015-09-11T11:08	14.49917	-23.00033	-4093	Eastern Tropical Atlantic Ocean	11.6	28.6	35.6	-20.1	21.0	0.3626	4543	3.0	24.8	0.72	0.03			1.65	0.11	0.00	0.00	1.65	0.11
M119_703-1	CTD007	CTD/Rosette	CTD-RO	2015-09-11T23:22	13.49967	-23.00067	-4542	Eastern Tropical Atlantic Ocean	14.2	28.6	35.8	-20.7	14.2	0.3657	4543	3.0	24.7	0.71	0.05	0.12	0.01	0.33	0.05	0.20	0.10	0.53	0.15
M119_706-1	CTD009	CTD/Rosette	CTD-RO	2015-09-12T11:08	12.50150	-23.00000	-4924	Eastern Tropical Atlantic Ocean	13.7	25.0	35.9	-21.7	3.6	0.3664	4543	3.0	24.2	0.55	0.02			0.67	0.03	0.00	0.00	0.67	0.03
M119_708-1	CTD010	CTD/Rosette	CTD-RO	2015-09-12T16:13	12.00100	-22.99917	-5051	Eastern Tropical Atlantic Ocean	59.7	16.0	35.7	-24.8	0.0	0.3658	4543	3.0	25.6	0.23	0.02			0.07		0.00	0.00	0.07	0.00
M119_708-1	CTD010	CTD/Rosette	CTD-RO	2015-09-12T16:13	12.00100	-22.99917	-5051	Eastern Tropical Atlantic Ocean	34.1	20.3	35.8	-22.0	0.2	0.3672	4543	3.0	25.5	0.60	0.05			0.06		0.00	0.00	0.06	0.00
M119_708-1	CTD010	CTD/Rosette	CTD-RO	2015-09-12T16:13	12.00100	-22.99917	-5051	Eastern Tropical Atlantic Ocean	19.3	28.2	35.5	-19.6	26.8	0.3655	4543	3.0	25.4	0.69	0.13			0.33	0.08	0.00	0.00	0.33	0.08
M119_708-1	CTD010	CTD/Rosette	CTD-RO	2015-09-12T16:13	12.00100	-22.99917	-5051	Eastern Tropical Atlantic Ocean	11.6	28.3	35.4	-19.7	25.5	0.3652	4543	3.0	25.2	0.64	0.06			0.42	0.05	0.00	0.00	0.42	0.05
M119_718-1	CTD012	CTD/Rosette	CTD-RO	2015-09-14T21:50	11.02933	-21.21000	-5079	Eastern Tropical Atlantic Ocean	10.7	28.2	35.5	-21.7	3.1	0.3655	4543	3.0	23.9	0.45	0.05	0.15	0.01	0.98	0.20	5.15	0.23	6.13	0.43
M119_722-1	CTD013	CTD/Rosette	CTD-RO	2015-09-15T13:11	11.50717	-22.94233	-5116	Eastern Tropical Atlantic Ocean	12.2	28.2	35.4	-21.5	5.3	0.3660	4543	3.0	24.1	0.41	0.04	0.15	0.01	1.21	0.58	6.74	0.68	7.95	1.26
M119_724-1	CTD015	CTD/Rosette	CTD-RO	2015-09-15T23:23	10.49983	-22.94800	-5191	Eastern Tropical Atlantic Ocean	71.2	14.5	35.5	-26.7	0.0	0.3661	4543	3.0	22.3	0.17	0.01			0.07		0.00	0.00	0.07	0.00
M119_724-1	CTD015	CTD/Rosette	CTD-RO	2015-09-15T23:23	10.49983	-22.94800	-5191	Eastern Tropical Atlantic Ocean	37.6	19.0	35.8	-23.9	0.0	0.3653	4543	3.0	22.2	0.84	0.05	0.16	0.03	0.08		0.06		0.14	0.00
M119_724-1	CTD015	CTD/Rosette	CTD-RO	2015-09-15T23:23	10.49983	-22.94800	-5191	Eastern Tropical Atlantic Ocean	22.3	27.6	35.7	-21.8	2.0	0.3654	4543	3.0	22.2	0.51		0.16		3.02		9.77		12.79	0.00
M119_724-1	CTD015	CTD/Rosette	CTD-RO	2015-09-15T23:23	10.49983	-22.94800	-5191	Eastern Tropical Atlantic Ocean	13.8	27.8	35.7	-21.9	0.8	0.3650	4543	3.0	22.1	0.48	0.13	0.16	0.04	2.23	0.26	10.73	1.95	12.96	2.21
M119_731-1	CTD018	CTD/Rosette	CTD-RO	2015-09-16T17:23	9.00017	-22.93550	-4882	Eastern Tropical Atlantic Ocean	11.4	28.0	35.4	-24.1	0.0	0.3659	4543	3.0	24.5	0.41	0.01	0.12	0.01	1.08	0.39	4.97	0.75	6.05	1.14
M119_733-1	CTD019	CTD/Rosette	CTD-RO	2015-09-17T00:09	8.50000	-22.94333	-4780	Eastern Tropical Atlantic Ocean	79.2	15.6	35.6	-25.2	0.0	0.3661	4543	3.0	24.1	0.11	0.01			0.06	0.01	0.00	0.00	0.06	0.01
M119_733-1	CTD019	CTD/Rosette	CTD-RO	2015-09-17T00:09	8.50000	-22.94333	-4780	Eastern Tropical Atlantic Ocean	50.5	18.4	35.8	-24.4	0.0	0.3652	4543	3.0	23.9	0.27	0.01			0.10	0.00	0.00	0.00	0.10	0.00
M119_733-1	CTD019	CTD/Rosette	CTD-RO	2015-09-17T00:09	8.50000	-22.94333	-4780	Eastern Tropical Atlantic Ocean	26.8	25.1	35.8	-21.8	2.6	0.3651	4543	3.0	23.9	0.38	0.00			0.62	0.16	0.00	0.00	0.62	0.16
M119_733-1	CTD019	CTD/Rosette	CTD-RO	2015-09-17T00:09	8.50000	-22.94333	-4780	Eastern Tropical Atlantic Ocean	12.4	27.7	35.2	-23.2	0.0	0.3653	4543	3.0	23.8	0.30	0.02			0.37	0.11	0.00	0.00	0.37	0.11
M119_737-1	CTD022	CTD/Rosette	CTD-RO	2015-09-17T16:29	6.99983	-22.94683	-1313	Eastern Tropical Atlantic Ocean	11.4	27.8	35.1	-22.5	0.0	0.3659	4543	3.0	26.0	0.35	0.06			0.36	0.05	0.00	0.00	0.36	0.05
M119_740-1	CTD024	CTD/Rosette	CTD-RO	2015-09-18T02:44	6.00067	-22.94633	-4088	Eastern Tropical Atlantic Ocean	11.0	27.6	35.2	-22.7	0.0	0.3658	4543	3.0	24.4	0.35	0.01	0.14		0.46	0.18	1.36		1.81	0.18
M119_745-1	CTD026	CTD/Rosette	CTD-RO	2015-09-18T14:31	4.97467	-22.95850	-4192	Eastern Tropical Atlantic Ocean	132.5	14.6	35.5	-25.8	0.0	0.3671	4543	3.0	25.5	0.12	0.00			0.00	0.00	0.00	0.00	0.00	0.00
M119_745-1	CTD026	CTD/Rosette	CTD-RO	2015-09-18T14:31	4.97467	-22.95850	-4192	Eastern Tropical Atlantic Ocean	79.5	23.9	36.1	-25.5	0.0	0.3663	4543	3.0	25.3	0.41	0.02	0.13		0.00	0.00	0.00	0.00	0.00	0.00
M119_745-1	CTD026	CTD/Rosette	CTD-RO	2015-09-18T14:31	4.97467	-22.95850	-4192	Eastern Tropical Atlantic Ocean	61.8	26.4	36.0	-23.6	0.0	0.3657	4543	3.0	25.3	0.33	0.01			0.20	0.02	0.00	0.00	0.20	0.02
M119_745-1	CTD026	CTD/Rosette	CTD-RO	2015-09-18T14:31	4.97467	-22.95850	-4192	Eastern Tropical Atlantic Ocean	11.6	27.8	35.4	-21.8	2.4	0.3656	4543	3.0	25.2	0.29	0.03			0.47	0.27	0.00	0.00	0.47	0.27
M119_755-1	CTD031	CTD/Rosette	CTD-RO	2015-09-20T05:05	3.49367	-22.99933	-4378	Eastern Tropical Atlantic Ocean	83.0	25.0	36.1	-22.1	0.0	0.3655	4543	3.0	24.4	0.33	0.08			0.32	0.11	0.00	0.00	0.32	0.11
M119_755-1	CTD031	CTD/Rosette	CTD-RO	2015-09-20T05:05	3.49367	-22.99933	-4378	Eastern Tropical Atlantic Ocean	11.4	27.7	35.6	-22.6	0.0	0.3647	4543	3.0	24.0	0.27	0.06			0.95	0.36	0.00	0.00	0.95	0.36
M119_756-1	CTD032	CTD/Rosette	CTD-RO	2015-09-20T10:36	2.99733	-22.99700	-4651	Eastern Tropical Atlantic Ocean	17.3	27.6	35.8	-22.4	0.0	0.3653	4543	3.0	22.3	0.31	0.02	0.14		0.61	0.14	3.37		3.98	0.14
M119_758-1	CTD033	CTD/Rosette	CTD-RO	2015-09-20T16:33	2.49017	-23.00200	-4703	Eastern Tropical Atlantic Ocean	89.9	26.1	36.0	-23.5	0.0	0.3653	4543	3.0	23.4	0.37	0.01			0.10	0.04	0.00	0.00	0.10	0.04
M119_758-1	CTD033	CTD/Rosette	CTD-RO	2015-09-20T16:33	2.49017	-23.00200	-4703	Eastern Tropical Atlantic Ocean	12.9	27.2	35.8	-23.8	0.0	0.3636	4543	3.0	23.3	0.27	0.03			0.46	0.10	0.00	0.00	0.46	0.10
M119_761-1	CTD035	CTD/Rosette	CTD-RO	2015-09-21T03:40	1.66333	-23.00100	-4129	Eastern Tropical Atlantic Ocean	10.0	26.8	35.7	-22.7	0.0	0.3659	4543	3.0	24.2	0.31	0.08			0.11	0.03	0.00	0.00	0.11	0.03
M119_762-1	CTD036	CTD/Rosette	CTD-RO	2015-09-21T08:21	1.33300	-22.99983	-4727	Eastern Tropical Atlantic Ocean	61.6	26.1	35.9	-23.8	0.0	0.3663	4543	3.0	24.4	0.44	0.04			0.09	0.01	0.00	0.00	0.09	0.01
M119_762-1	CTD036	CTD/Rosette	CTD-RO	2015-09-21T08:21	1.33300	-22.99983	-4727	Eastern Tropical Atlantic Ocean	15.1	26.8	35.8	-22.6	0.0	0.3657	4543	3.0	24.4	0.31	0.03			0.13	0.03	0.00	0.00	0.13	0.03
M119_765-1	CTD038	CTD/Rosette	CTD-RO	2015-09-21T18:14	0.66583	-22.99883	-3907	Eastern Tropical Atlantic Ocean	64.7	25.5	36.0	-22.8	0.0	0.3668	4543	3.0	24.1	0.47	0.03	0.12		0.07	0.00	0.00	0.00	0.07	0.00
M119_765-1	CTD038	CTD/Rosette	CTD-RO	2015-09-21T18:14	0.66583	-22.99883	-3907	Eastern Tropical Atlantic Ocean	13.7	27.0	35.8	-22.0	0.0	0.3660	4543	3.0	24.1	0.26	0.02			0.20	0.03	0.00	0.00	0.20	0.03
M119_770-1	CTD040	CTD/Rosette	CTD-RO	2015-09-22T12:59	0.00017	-23.10533	-3937	Eastern Tropical Atlantic Ocean	61.5	25.5	36.1	-23.2	0.0	0.3665	4543	3.0	25.6	0.43	0.01	0.12		0.00	0.00	0.00	0.00	0.00	0.00
M119_770-1	CTD040	CTD/Rosette	CTD-RO	2015-09-22T12:59	0.00017	-23.10533	-3937	Eastern Tropical Atlantic Ocean	42.2	26.0	35.9	-22.2	0.0	0.3666	4543	3.0	25.6	0.32	0.01	0.12		0.06		0.08		0.15	0.00
M119_770-1	CTD040	CTD/Rosette	CTD-RO	2015-09-22T12:59	0.00017	-23.10533	-3937	Eastern Tropical Atlantic Ocean	10.9	26.2	35.9	-22.6	0.0	0.3669	4543	3.0	25.5	0.34	0.03			0.06		0.00	0.00	0.06	0.00
M119_780-1	CTD042	CTD/Rosette	CTD-RO	2015-09-23T19:19	-0.33317	-22.99950	-4625	Eastern Tropical Atlantic Ocean	10.8	26.5	35.9	-22.8	0.0	0.3666	4543	3.0	24.2	0.40	0.04	0.13	0.03	0.09	0.01	0.07	0.02	0.17	0.03
M119_781-1	CTD043	CTD/Rosette	CTD-RO	2015-09-23T23:54	-0.66883	-22.99167	-3584	Eastern Tropical Atlantic Ocean	55.8	25.5	36.1	-22.0	0.1	0.3664	4543	3.0	26.0	0.53	0.00	0.12	0.01	0.09	0.00	0.00	0.00	0.09	0.00
M119_781-1	CTD043	CTD/Rosette	CTD-RO	2015-09-23T23:54	-0.66883	-22.99167	-3584	Eastern Tropical Atlantic Ocean	11.1	26.0	35.9	-21.8	2.2	0.3673	4543	3.0	25.9	0.38	0.04			0.00	0.00	0.00	0.00	0.00	0.00
M119_783-1	CTD045	CTD/Rosette	CTD-RO	2015-09-24T09:17	-1.33333	-22.99983	-4870	Eastern Tropical Atlantic Ocean	13.9	25.8	36.1	-22.2	0.0	0.3675	4543	3.0	23.9	0.52	0.04	0.17		0.00	0.00	0.00	0.00	0.00	0.00
M119_785-1	CTD047	CTD/Rosette	CTD-RO	2015-09-24T18:41	-2.00000	-23.00067	-5236	Eastern Tropical Atlantic Ocean	74.9	21.9	36.1	-23.2	0.0	0.3669	4543	3.0	23.5	0.34	0.02			0.00	0.00	0.00	0.00	0.00	0.00
M119_785-1	CTD047	CTD/Rosette	CTD-RO	2015-09-24T18:41	-2.00000	-23.00067	-5236	Eastern Tropical Atlantic Ocean	12.2	25.8	36.1	-24.0	0.0	0.3671	4543	3.0	23.4	0.45	0.08			0.00	0.00	0.00	0.00	0.00	0.00
M119_788-1	CTD049	CTD/Rosette	CTD-RO	2015-09-25T04:19	-2.50633	-22.99150	-5784	Eastern Tropical Atlantic Ocean	83.6	18.2	35.8	-24.5	0.0	0.3652	4543	3.0	24.1	0.25	0.06			0.00	0.00	0.00	0.00	0.00	0.00
M119_788-1	CTD049	CTD/Rosette	CTD-RO	2015-09-25T04:19	-2.50633	-22.99150	-5784	Eastern Tropical Atlantic Ocean	11.5	25.8	36.1	-21.4	6.2	0.3683	4543	3.0	24.0	0.28	0.01			0.00	0.00	0.00	0.00	0.00	0.00
M119_789-1	CTD050	CTD/Rosette	CTD-RO	2015-09-25T10:52	-3.00033	-23.00000	-5522	Eastern Tropical Atlantic Ocean	12.7	25.8	36.2	-22.8	0.0	0.3661	4543	3.0	23.9	0.29	0.00			0.08	0.02	0.00	0.00	0.08	0.02
M119_791-1	CTD051	CTD/Rosette	CTD-RO	2015-09-25T18:05	-3.50300	-22.99867	-5485	Eastern Tropical Atlantic Ocean	68.3	21.9	36.1	-23.9	0.0	0.3655	4543	3.0	24.0	0.51	0.06			0.00	0.00	0.00	0.00	0.00	0.00
M119_791-1	CTD051	CTD/Rosette	CTD-RO	2015-09-25T18:05	-3.50300	-22.99867	-5485	Eastern Tropical Atlantic Ocean	12.8	25.7	36.2	-22.2	0.0	0.3668	4543	3.0	24.0	0.26	0.01			0.06	0.00	0.00	0.00	0.06	0.00
M119_792-1	CTD052	CTD/Rosette	CTD-RO	2015-09-26T00:34	-3.99900	-23.00083	-5893	Eastern Tropical Atlantic Ocean	16.1	25.6	36.3	-22.6	0.0	0.3676	4543	3.0	24.0	0.30	0.02			0.00	0.00	0.00	0.00	0.00	0.00
M119_793-1	CTD053	CTD/Rosette	CTD-RO	2015-09-26T07:21	-4.50000	-23.00000	-5183	Eastern Tropical Atlantic Ocean	66.5	23.5	36.3	-22.7	0.0	0.3680	4543	3.0	24.2	0.55	0.02			0.00	0.00	0.00	0.00	0.00	0.00
M119_793-1	CTD053	CTD/Rosette	CTD-RO	2015-09-26T07:21	-4.50000	-23.00000	-5183	Eastern Tropical Atlantic Ocean	14.5	25.5	36.2	-22.6	0.0	0.3677	4543	3.0	24.2	0.34	0.01			0.08		0.00	0.00	0.08	0.00