Citation:

j.gca.2018.06.042

Always quote citation above when using data! You can download the citation in several formats below.

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Further details:

Lohan, Maeve C; Aguilar-Islas, Ana M; Franks, Robert P; Bruland, Kenneth W (2005): Determination of iron and copper in seawater at pH 1.7 with a new commercially available chelating resin, NTA Superflow. Analytica Chimica Acta, 530(1), 121-129, https://doi.org/10.1016/j.aca.2004.09.005

Schoenberg, Ronny; von Blanckenburg, Friedhelm (2005): An assessment of the accuracy of stable Fe isotope ratio measurements on samples with organic and inorganic matrices by high-resolution multicollector ICP-MS. International Journal of Mass Spectrometry, 242(2-3), 257-272, https://doi.org/10.1016/j.ijms.2004.11.025

Seeberg-Elverfeldt, Jens; Schlüter, Michael; Feseker, Tomas; Kölling, Martin (2005): Rhizon sampling of pore waters near the sediment/water interface of aquatic systems. Limnology and Oceanography: Methods, 3, 361-371, https://doi.org/10.4319/lom.2005.3.361

Stookey, Lawrence L (1970): Ferrozine - A new spectrophotometric reagent for iron. Analytical Chemistry, 42, 779-781, https://doi.org/10.1021/ac60289a016

Project(s):

Impact of climate induced glacier melt on marine coastal systems, Antarctica (IMCOAST/IMCONet)

Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas (SPP1158)

Funding:

German Research Foundation (DFG), grant/award no. 5472008 : Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas

Coverage:

Latitude: -62.234410 * Longitude: -58.685460

Date/Time Start: 2012-01-26T00:00:00 * Date/Time End: 2012-01-26T00:00:00

Minimum DEPTH, sediment/rock: -0.01 m * Maximum DEPTH, sediment/rock: 0.24 m

Event(s):

Potter_Cove_STA03 * Latitude: -62.234410 * Longitude: -58.685460 * Date/Time: 2012-01-26T00:00:00 * Elevation: -43.0 m * Location: Potter Cove, King George Island, Antarctic Peninsula * Method/Device: Gravity corer, UWITEC (GCUWI) * Comment: Elevation error ±1.5 m (tidal range)

Comment:

Methods:

Sampling:

• Rhizon technique (Seeberg-Elverfeldt et al. 2005)

SO42-:

• Ion chromatography (Metrohm IC Net 2.3)

Fe2+:

• Ferrozine method (Stookey 1970)

NH4+:

• conductometrically

Alkalinity:

• Titration with HCl

δ56Fe(pw):

• Removal of salt matrix by column chromatography (NTA Superflow columns, Qiagen) (Lohan et al. 2005)

• Column separation using the Dowex 1X8 resin

• Isotope analysis on a ThermoFinnigan Neptune Multicollector-ICP-MS (ESI Apex-Q desolvator, standard-sample bracketing method with IRMM-014) (Schoenberg and von Blanckenburg 2005)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Core	Core		Henkel, Susann
2	DEPTH, sediment/rock	Depth sed	m	Henkel, Susann		Geocode
3	Sulfate	[SO4]2-	mmol/l	Henkel, Susann	Ion chromatography (Metrohm IC Net 2.3)
4	Iron 2+	Fe2+	µmol/l	Henkel, Susann	Iron, colorimetric, Ferrozine (Stookey, 1970)
5	Alkalinity, total	AT	mmol(eq)/l	Henkel, Susann	Titration with HCl
6	Ammonium	[NH4]+	µmol/l	Henkel, Susann	Conductometry
7	Comment	Comment		Henkel, Susann

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

77 data points

Data

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

1 Core	2 Depth sed [m]	3 [SO4]2- [mmol/l]	4 Fe2+ [µmol/l]	5 AT [mmol(eq)/l]	6 [NH4]+ [µmol/l]	7 Comment
C	-0.01	25.93	#0.0	2.47	14.0	bottom water, #0 = below quantification limit
C	0.01	27.12	17.4	2.66	9.9
C	0.02	27.27	25.2	2.10	18.2
C	0.03	27.05	86.0	3.19	26.4
C	0.04	27.03	165.6	2.15	45.1
C	0.05	26.64	206.9	3.55	123.7
C	0.06	25.42	166.0	5.83	154.8
C	0.07	24.98	161.2		175.5
C	0.08	24.73	77.0		239.7
C	0.09		42.0
C	0.10	24.43	56.2
C	0.12	24.26	14.6	5.87	320.4
C	0.14	22.56	13.0	12.44	430.1
C	0.16	20.89	5.4		450.9
C	0.18	18.22	4.1
C	0.20	16.43		19.66	579.2
C	0.22	15.00	2.5		564.5
C	0.24	14.12			623.2