Citation:

PANGAEA.976008

Name: Organic geochemical analysis of sediment core FC17-08 from Baker River and Baker-Martinez Fjord
Published: 2025-10-24
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Carbon; Carbon Flux; Fjord; river delta; sediment

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Published: 2025-10-24 • DOI registered: 2025-11-22

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Abstract:

This dataset presents bulk organic geochemical data (TOC, d13C) obtained by EA-IRMS analysis on samples from the sediment core FC17-08 collected in the submarine Baker River delta in the Baker-Martinez Fjord system, Chilean Patagonia (44-48⁰S). The core was collected in February 2017 using a gravity corer with 1.5 m-long transparent liner tube. Samples for carbon analyses were collected every 5 mm in the core.

Keyword(s):

Carbon; Carbon Flux; Fjord; river delta; sediment

Supplement to:

Hage, Sophie; Bertrand, Sébastien; Amann, Benjamin; Reid, Brian; Vanderkerkhove, Elke (accepted): Organic Carbon Fluxes on Seasonal to Decennial Timescales in Patagonia's largest River-Fjord System. Global Biogeochemical Cycles

Funding:

French National Research Agency (ANR), grant/award no. 9R/2022/ON/41

Research Foundation of Flanders (FWO), grant/award no. G0D7916N

Coverage:

Latitude: -47.792420 * Longitude: -73.639940

Date/Time Start: 2017-06-02T00:00:00 * Date/Time End: 2017-06-02T00:00:00

Minimum DEPTH, sediment/rock: 0.000 m * Maximum DEPTH, sediment/rock: 1.060 m

Event(s):

FC17-08 * Latitude: -47.792420 * Longitude: -73.639940 * Date/Time: 2017-06-02T00:00:00 * Penetration: 1.7 m * River water depth: 207 m * Location: Patagonia, Chile * Method/Device: Gravity corer (GC)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Sample ID	Sample ID		Hage, Sophie
2	DATE/TIME	Date/Time		Hage, Sophie		Geocode
3	LATITUDE	Latitude		Hage, Sophie		Geocode
4	LONGITUDE	Longitude		Hage, Sophie		Geocode
5	River, water depth	River depth	m	Hage, Sophie
6	DEPTH, sediment/rock	Depth sed	m	Hage, Sophie		Geocode
7	Carbon, organic, total	TOC	%	Hage, Sophie	Carbon and nitrogen and sulfur (CNS) element analyzer, Elementar, Vario EL
8	δ13C	δ13C	‰	Hage, Sophie	Isotope ratio mass spectrometer, PDZ Europa, 20-20
9	Density	Density	g/cm³	Hage, Sophie	Multi-Sensor Core Logger (MSCL), GEOTEK
10	Accumulation rate, sediment	MAR	g/cm²/a	Hage, Sophie	Calculated	After freeze drying and weighing
11	Carbon, organic, particulate, flux per year	POC flux	g/m²/a	Hage, Sophie	Carbon and nitrogen and sulfur (CNS) element analyzer, Elementar, Vario EL

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

1488 data points

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