Citation:

PANGAEA.927614

Name: Pore water chemistry and saturation indices in sediment pore-water from the Cinq Cases pool system, Aldabra atoll (Seychelles, Indian Ocean)
Published: 2025-03-20
License: https://creativecommons.org/licenses/by/4.0/
Keywords: bacterial communities; Carbonate Sediments; Diagenesis; pore water

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Published: 2025-03-20 • DOI registered: 2025-04-29

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Keyword(s):

bacterial communities; Carbonate Sediments; Diagenesis; pore water

Related to:

Fussmann, Dario; von Hoyningen-Huene, Avril; Reimer, Andreas; Schneider, Dominik; Karius, Volker; Riechelmann, Sylvia; Pederson, Chelsea; Swart, Peter K; Daniel, Rolf; Arp, Gernot (2022): Decoupling of Pore Water Chemistry, Bacterial Community Profiles, and Carbonate Mud Diagenesis in a Land-Locked Pool on Aldabra (Seychelles, Indian Ocean). Geomicrobiology Journal, 39(9), 731-749, https://doi.org/10.1080/01490451.2022.2070689

Coverage:

Latitude: -9.429730 * Longitude: 46.495300

Date/Time Start: 2017-11-18T12:28:41 * Date/Time End: 2017-11-18T12:28:41

Minimum DEPTH, sediment/rock: -0.050 m * Maximum DEPTH, sediment/rock: 0.305 m

Event(s):

CC-K04 * Latitude: -9.429730 * Longitude: 46.495300 * Date/Time: 2017-11-18T12:28:41 * Elevation: 4.5 m * Location: Grande Terre, Seychelles * Method/Device: Rhizon sampler * Comment: Sampled in PVC tubes, 6.3 cm in diameter; using 5 cm CSS Rhizon samplers (Rhizosphere, Wageningen, Netherlands)

Comment:

Pore water was extracted from the core with 5 cm CSS Rhizon samplers (Rhizosphere, Wageningen, Netherlands).

Saturation index is given as log₁₀(IAP/Ksp) with IAP = Ion activity product and Ksp = Equilibrium constant.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Sample ID	Sample ID		Fussmann, Dario
2	DEPTH, sediment/rock	Depth sed	m	Fussmann, Dario		Geocode
3	Sample comment	Sample comment		Fussmann, Dario
4	Salinity, absolute	ASAL	g/kg	Fussmann, Dario
5	pH	pH		Fussmann, Dario	pH electrode, WTW SenTix 940 in WTW Multi 3630 IDS
6	Oxidation reduction (RedOx) potential	Eh	mV	Fussmann, Dario	WTW Oxi 340i probe
7	Alkalinity, total	AT	mmol(eq)/kg	Fussmann, Dario	Titration with HCl
8	Calcium	Ca2+	mmol/kg	Fussmann, Dario	Element analyser Euro EA 3000
9	Magnesium	Mg2+	mmol/kg	Fussmann, Dario	Element analyser Euro EA 3000
10	Sodium	Na+	mmol/kg	Fussmann, Dario	Element analyser Euro EA 3000
11	Potassium	K+	mmol/kg	Fussmann, Dario	Element analyser Euro EA 3000
12	Chloride	Cl-	mmol/kg	Fussmann, Dario	Element analyser Euro EA 3000
13	Hydrogen sulfide	H2S	mmol/kg	Fussmann, Dario	Spectrophotometer, SI Analytics Uviline 9400	sum
14	Sulfate	[SO4]2-	mmol/kg	Fussmann, Dario	Element analyser Euro EA 3000
15	Chloride/sulfate ratio	Cl/[SO4]2-		Fussmann, Dario	Element analyser Euro EA 3000
16	Ammonium	[NH4]+	mmol/kg	Fussmann, Dario	Spectrophotometer, SI Analytics Uviline 9400
17	Silica dioxide	SiO2	mmol/kg	Fussmann, Dario	Spectrophotometer, SI Analytics Uviline 9400
18	δ13C	δ13C	‰ PDB	Fussmann, Dario	Mass spectrometer, Thermo Finnigan, MAT 253
19	δ18O	δ18O	‰	Fussmann, Dario	Isotope ratio infrared spectroscopy (IRIS), Delta Ray (Thermo Scientific)
20	Aragonite saturation index	ASI		Fussmann, Dario	Spectrophotometer, SI Analytics Uviline 9400
21	Calcite saturation index	CSI		Fussmann, Dario	Spectrophotometer, SI Analytics Uviline 9400
22	Dolomite saturation index	DSI		Fussmann, Dario	Spectrophotometer, SI Analytics Uviline 9400	disordered
23	Dolomite saturation index	DSI		Fussmann, Dario	Spectrophotometer, SI Analytics Uviline 9400	fully crystalline

License:

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

Size:

221 data points

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