Citation:

PANGAEA.983208

Name: Field based and laboratory data of sediment cores from the Lower Havel Inner Delta near Lake Gülpe, Brandenburg (Germany)
Published: 2025-08-07
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Brandenburg; Driving cores; floodplain; Grain Size; Grain-size analyses; Lake Gülpe; TC; TOC

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Published: 2025-08-07 • DOI registered: 2025-09-05

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Abstract:

Sediment cores were recovered using a hand-held Cobra Pro (Atlas Copco) core drilling system with a 60 mm diameter open corer. One-meter segments were retrieved and assessed in the field for sedimentological features, including estimations of grain size, carbonate content, humus content, and redox features (AG Boden 2005, 2024). Colour descriptions were carried out using the Munsell Soil Color Chart. The exact positions of the drilling points were recorded using a differential GPS device (TOPCON HiPer II). The cores were photographed, documented and sampled at 5–10 cm intervals for subsequent laboratory analyses.

Bulk samples from five selected cores (RK1, RK3, RK13, RK15, RK17) were freeze-dried, sieved (2 mm), and weighed. Total carbon (TC), total nitrogen (TN), and total sulfur (TS) contents were measured using a CNS analyzer (Vario EL cube, Elementar). Inorganic carbon (TIC) was determined using calcimeter measurements (Scheibler method, Eijkelkamp). Organic carbon (TOC) was calculated as TOC = TC − TIC.

For the grain size analyses, sediment samples were first sieved to <2 mm and subsamples of 10 g were treated with 50 ml of 35% hydrogen peroxide (H₂O₂) and gently heated to remove organic matter. Following this, 10 ml of 0.4 N sodium pyrophosphate solution (Na₄P₂O₇) was added to disperse the particles, and the suspension was subjected to ultrasonic treatment for 45 minutes. The sand fraction was analysed by dry sieving and classified into four size classes: coarse sand (2000–630 µm), medium sand (630–200 µm), fine sand (200–125 µm), and very fine sand (125–63 µm). Finer fractions were determined using X-ray granulometry (XRG) with a SediGraph III 5120 (Micromeritics). These included coarse silt (63–20 µm), medium silt (20–6.3 µm), fine silt (6.3–2.0 µm), coarse clay (2.0–0.6 µm), medium clay (0.6–0.2 µm), and fine clay (<0.2 µm).

Keyword(s):

Brandenburg; Driving cores; floodplain; Grain Size; Grain-size analyses; Lake Gülpe; TC; TOC

References:

Ad-hoc-Arbeitsgruppe Boden (2005): Bodenkundliche Kartieranleitung (KA5), 5th edition. Bundesanstalt für Geowissenschaften und Rohstoffe, Hannover, Germany, https://www.bafg.de/SharedDocs/Downloads/DE/baggergut/kartieranleitung.pdf?__blob=publicationFile&v=1

Ad-hoc-Arbeitsgruppe Boden (2024): Bodenkundliche Kartieranleitung (KA6) in 2 Bänden. Bundesanstalt für Geowissenschaften und Rohstoffe, Hannover, Germany

Coverage:

Median Latitude: 52.731767 * Median Longitude: 12.214707 * South-bound Latitude: 52.728008 * West-bound Longitude: 12.210629 * North-bound Latitude: 52.735885 * East-bound Longitude: 12.218466

Date/Time Start: 2023-06-13T00:00:00 * Date/Time End: 2025-07-14T12:03:27

Minimum Elevation: 24.2 m * Maximum Elevation: 26.2 m

Event(s):

RK1 (Guelpe_2023_transect-1) * Latitude: 52.735016 * Longitude: 12.212089 * Date/Time: 2023-06-13T00:00:00 * Elevation: 24.4 m * Method/Device: Cobra percussion corer (CPERC) * Comment: 300 m

RK2 (Guelpe_2023_transect-1) * Latitude: 52.733948 * Longitude: 12.213091 * Date/Time: 2023-06-13T00:00:00 * Elevation: 26.2 m * Method/Device: Cobra percussion corer (CPERC) * Comment: 200 m

RK3 (Guelpe_2023_transect-1) * Latitude: 52.734707 * Longitude: 12.212411 * Date/Time: 2023-06-14T00:00:00 * Elevation: 25.2 m * Method/Device: Cobra percussion corer (CPERC) * Comment: 200 m

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event
2	Penetration depth	Penetr depth	m	Köhler, Anne
3	Depth, top/min	Depth top	m	Köhler, Anne
4	Depth, bottom/max	Depth bot	m	Köhler, Anne
5	Texture	Texture		Köhler, Anne		field-based grain size analysis according to AG Boden, 2024 (Fig. C11, p.255)
6	Grain size classification	Grain size class		Köhler, Anne		field-based grain size class
7	Color code HLS-system	Color HLS		Köhler, Anne	Munsell soil color charts (Munsell Color., 2010)
8	Color code HLS-system	Color HLS		Köhler, Anne	Munsell soil color charts (Munsell Color., 2010)	Munsell text format
9	Carbonates	Carb		Köhler, Anne		estimated carbonat content according to AG Boden 2024 (Tab. C61, p. 272)
10	Humus content	Hum		Köhler, Anne		estimated humus content according to AG Boden 2024 (Tab. C32, p. 221)
11	Redoximorphic features	RMF		Köhler, Anne
12	Comment	Comment		Köhler, Anne		further information and details about the layers
13	Soil horizon	Soil hori		Köhler, Anne		Classification according to Ad-Hoc-AG Boden 2005 (KA5)
14	Sample ID	Sample ID		Köhler, Anne
15	Depth, top/min	Depth top	m	Köhler, Anne
16	Depth, bottom/max	Depth bot	m	Köhler, Anne
17	Nitrogen, total	TN	%	Schneider, Birgit	Carbon and nitrogen and sulfur (CNS) element analyzer, Elementar, Vario EL Cube
18	Carbon, total	TC	%	Schneider, Birgit	Carbon and nitrogen and sulfur (CNS) element analyzer, Elementar, Vario EL Cube
19	Carbon, inorganic, total	TIC	%	Schneider, Birgit	Calcimeter, Royal Eijkelkamp, 08.53
20	Carbon, organic, total	TOC	%	Schneider, Birgit		Ct - Canorg
21	Sulfur, total	TS	%	Schneider, Birgit	Carbon and nitrogen and sulfur (CNS) element analyzer, Elementar, Vario EL Cube
22	Size fraction 2.000-0.630 mm, coarse sand	2000-630 µm	%	Schneider, Birgit	Dry sieving
23	Size fraction 0.630-0.200 mm, medium sand	630-200 µm	%	Schneider, Birgit	Dry sieving
24	Size fraction 0.200-0.125 mm, fine sand	200-125 µm	%	Schneider, Birgit	Dry sieving
25	Size fraction 0.125-0.064 mm	125-64 µm	%	Schneider, Birgit	Dry sieving
26	Size fraction 0.063-0.020 mm, coarse silt	63-20 µm gU	%	Schneider, Birgit	Particle Size Analyser, Micrometrics, SEDIGRAPH III 5120
27	Size fraction 0.020-0.0063 mm, medium silt	20-6.3 µm mU	%	Schneider, Birgit	Particle Size Analyser, Micrometrics, SEDIGRAPH III 5120
28	Size fraction 0.0063-0.002 mm, fine silt	6.3-2 µm fU	%	Schneider, Birgit	Particle Size Analyser, Micrometrics, SEDIGRAPH III 5120
29	Size fraction 2-0.63 µm, coarse clay	2-0.63 µm	%	Schneider, Birgit	Particle Size Analyser, Micrometrics, SEDIGRAPH III 5120
30	Size fraction 0.63-0.2 µm, medium clay	0.63-0.2 µm	%	Schneider, Birgit	Particle Size Analyser, Micrometrics, SEDIGRAPH III 5120
31	Size fraction < 0.2 µm, fine clay	<0.2 µm	%	Schneider, Birgit	Particle Size Analyser, Micrometrics, SEDIGRAPH III 5120
32	Error, relative	Error r	%	Schneider, Birgit	Particle Size Analyser, Micrometrics, SEDIGRAPH III 5120	error grainsize

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

3523 data points

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