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Zhu, Kechen; Hopwood, Mark James; Achterberg, Eric Pieter; Gledhill, Martha (2021): Dissolved iron speciation from water samples during METEOR cruise M136 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.931665

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Abstract:
The file contains measurements of iron (Fe) speciation of water samples collected on the Peruvian shelf and slope region. Determinations of iron speciation were analyzed via Adsorptive Cathodic Stripping Voltammetry (Gledhill and Buck. 2012, Frontiers in Microbiology).
Related to:
Zhu, Kechen; Hopwood, Mark James; Groenenberg, Jan E; Engel, Anja; Achterberg, Eric Pieter; Gledhill, Martha (2021): Influence of pH and Dissolved Organic Matter on Iron Speciation and Apparent Iron Solubility in the Peruvian Shelf and Slope Region. Environmental Science & Technology, https://doi.org/10.1021/acs.est.1c02477
Funding:
German Research Foundation (DFG), grant/award no. 27542298: Climate - Biogeochemistry Interactions in the Tropical Ocean
Coverage:
Median Latitude: -12.471384 * Median Longitude: -77.608032 * South-bound Latitude: -12.983420 * West-bound Longitude: -78.239280 * North-bound Latitude: -12.194140 * East-bound Longitude: -77.139460
Date/Time Start: 2017-04-18T00:00:00 * Date/Time End: 2017-05-01T00:00:00
Minimum DEPTH, water: 7.841 m * Maximum DEPTH, water: 2021.883 m
Event(s):
M136_413-1  * Latitude Start: -12.388330 * Longitude Start: -77.403000 * Latitude End: -12.388170 * Longitude End: -77.403830 * Date/Time Start: 2017-04-18T14:20:00 * Date/Time End: 2017-04-18T14:48:00 * Elevation Start: -242.0 m * Elevation End: -242.2 m * Campaign: M136 (SFB754) * Basis: Meteor (1986) * Method/Device: CTD/Rosette, ultra clean (CTD-UC) * Comment: surface
M136_427-1  * Latitude: -12.388500 * Longitude: -77.401500 * Date/Time: 2017-04-19T16:29:00 * Elevation: -242.0 m * Campaign: M136 (SFB754) * Basis: Meteor (1986) * Method/Device: CTD/Rosette, ultra clean (CTD-UC)
M136_443-1  * Latitude Start: -12.522830 * Longitude Start: -77.583000 * Latitude End: -12.522830 * Longitude End: -77.583330 * Date/Time Start: 2017-04-20T18:30:00 * Date/Time End: 2017-04-20T19:14:00 * Elevation Start: -750.0 m * Elevation End: -749.1 m * Campaign: M136 (SFB754) * Basis: Meteor (1986) * Method/Device: CTD/Rosette, ultra clean (CTD-UC) * Comment: surface
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEventZhu, Kechen
Sample code/labelSample labelZhu, Kechen
DATE/TIMEDate/TimeZhu, KechenGeocode
LATITUDELatitudeZhu, KechenGeocode
LONGITUDELongitudeZhu, KechenGeocode
DEPTH, waterDepth watermZhu, KechenGeocode
Bottle numberBottleZhu, Kechen
Sample code/labelSample labelZhu, KechenBedford
pHpHZhu, Kechentotal scale
10 pHpHZhu, KechenNBS scale
11 Carbon, organic, dissolvedDOCµmol/kgZhu, Kechen
12 Iron III, ferric ironFe(III)µmol/cm3Zhu, Kechenmeasured ambient DFe(III)]-[nmol/L]
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
547 data points

Data

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


Event

Sample label

Date/Time

Latitude

Longitude

Depth water [m]

Bottle

Sample label
(Bedford)

pH
(total scale)
10 
pH
(NBS scale)
11 
DOC [µmol/kg]
12 
Fe(III) [µmol/cm3]
(measured ambient DFe(III)]-[n...)
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M136_572-1 662017-05-01T00:00:00-12.31270-78.081999.546242492467.9250316628.05576.332994890.126674103
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M136_443-1 562017-04-20T00:00:00-12.52260-77.583229.271242491367.9391336448.071104.650523900.760844836
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M136_457-1 572017-04-21T00:00:00-12.45256-77.492289.324242491527.8120818147.94282.79770162
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M136_413-1 542017-04-18T00:00:00-12.38790-77.403549.043242490997.9901452068.12086.898819510.658708900
M136_413-1542017-04-18T00:00:00-12.38810-77.4034017.06323249098123.64907420
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M136_427-1 552017-04-19T00:00:00-12.38826-77.401858.729242491177.9901452068.12086.89881951
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