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

Data

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

1 Sample ID	2 Depth sed [m]	3 Sample comment	4 ASAL [g/kg]	5 pH (pH electrode, WTW SenTix 940 ...)	6 Eh [mV] (WTW Oxi 340i probe)	7 AT [mmol(eq)/kg] (Titration with HCl)	8 Ca2+ [mmol/kg] (Element analyser Euro EA 3000)	9 Mg2+ [mmol/kg] (Element analyser Euro EA 3000)	10 Na+ [mmol/kg] (Element analyser Euro EA 3000)	11 K+ [mmol/kg] (Element analyser Euro EA 3000)	12 Cl- [mmol/kg] (Element analyser Euro EA 3000)	13 H2S [mmol/kg] (sum, Spectrophotometer, SI An...)	14 [SO4]2- [mmol/kg] (Element analyser Euro EA 3000)	15 Cl/[SO4]2- (Element analyser Euro EA 3000)	16 [NH4]+ [mmol/kg] (Spectrophotometer, SI Analyti...)	17 SiO2 [mmol/kg] (Spectrophotometer, SI Analyti...)	18 δ13C [‰ PDB] (Mass spectrometer, Thermo Fin...)	19 δ18O [‰] (Isotope ratio infrared spectr...)	20 ASI (Spectrophotometer, SI Analyti...)	21 CSI (Spectrophotometer, SI Analyti...)	22 DSI (disordered, Spectrophotometer...)	23 DSI (fully crystalline, Spectropho...)
ALD_CC_02	-0.050	water column	45.37211626	8.530	186.6	3.263985743	13.50308144	68.25705012	604.5423260	12.90520673	704.1804741	0.000000000	36.41519767	7.136741403	0.024817043	0.013222826	-9.368103007	2.167432456	1.11	1.25	2.95	3.46
CC_K04_01	0.020		56.46558544	6.998	-41.0	12.716382640	14.08980174	88.84007794	748.6159723	15.88507726	869.4075392	0.248568679	43.43291051	7.387595746	0.429562726	0.167221429	-5.535799254	2.824804751	0.32	0.46	1.42	1.96
CC_K04_02	0.045		65.49189675	6.900	85.0	8.098759542	16.67814398	103.41990040	868.1756634	18.00585377	1010.6172170	0.006319996	53.70660732	6.944766169	0.393689695	0.115779267			0.09	0.23	0.97	1.50
CC_K04_03	0.070		73.65424650	6.863	126.0	6.745926362	19.01814739	115.78019190	978.5046803	20.08970947	1139.1580160	0.000371312	60.58012411	6.939888065	0.347692575	0.084321907	-7.187026140	2.993472766	0.03	0.17	0.84	1.37
CC_K04_04	0.100		80.19803746	6.909	132.0	5.686913021	21.10003558	125.40130740	1067.0762480	21.63336846	1242.8744100	0.000000000	65.86232694	6.964482147	0.177924409	0.062731930		3.062299161	0.04	0.18	0.86	1.39
CC_K04_05	0.130		82.43150174	6.959	148.0	4.908150829	21.80849511	127.79799820	1099.2686970	22.33384224	1280.6812600	0.000000000	66.74152768	7.081798495	0.067714795	0.054298383	-7.462026809	3.036681001	0.04	0.19	0.86	1.39
CC_K04_06	0.165		82.52835835	6.950	147.0	4.640928751	22.16043652	126.87599900	1101.5295030	22.48462186	1282.7359440	0.000000000	66.65521812	7.102344993	0.056238771	0.052174474	-8.529140436	3.036546875	0.02	0.16	0.80	1.33
CC_K04_07	0.200		82.36501056	6.867	151.0	4.633600040	22.44543992	126.64855870	1098.6638870	22.52250658	1280.4621750	0.000000000	66.41332560	7.115577936	0.029640343	0.052994516	-7.639843870	3.051450695	-0.06	0.09	0.64	1.17
CC_K04_08	0.235		81.97798631	6.881		4.536627671	22.30040981	127.24054740	1091.6037800	22.27884119	1274.1879740	0.000000000	66.47772393	7.073852727	0.024033801	0.051034773			-0.05	0.09	0.65	1.18
CC_K04_09	0.270		82.00501563	6.850		4.689724084	22.28841704	127.27302360	1092.5832690	22.14696287	1274.4053160	0.000000000	66.39112277	7.084288108	0.051131376	0.049255727			-0.07	0.07	0.62	1.15
CC_K04_10	0.305		80.37533403	6.833	146.0	4.931385318	21.99967082	124.48487720	1070.9123120	21.83817547	1249.5544270	0.000744913	64.61473022	7.137108445	0.078332533	0.048186912			-0.07	0.07	0.61	1.14