Organic carbon (OC) content, nitrogen content, C/N ratio, carbonate content, δ13C of OC, mean grain size, surface area, calculated fraction, content and loading of terrestrial and marine OC in surface sediments of Helgoland Mud Area in the North Sea
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| Format: | Dataset Open Access |
| Language: | en |
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PANGAEA
2025
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| _version_ | 1867172201982066688 |
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| author | Wei, Bingbing Holtappels, Moritz |
| author_facet | Wei, Bingbing Holtappels, Moritz |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | The grain size of sediments was determined with a Cilas 1180 laser-diffraction particle analyzer (range 0.04–2500 μm) and the mean grain size was calculated. The surface area (SA) was calculated from the grain size distribution of the sediments. The OC content of surface sediments was determined using a carbon-sulfur analyzer (CS-125, Leco) after decarbonization with HCl. The total carbon (TC) and nitrogen (TN) contents of the samples were analyzed using a carbon-nitrogen-sulfur analyzer (Elemental III, Vario) and used to calculate carbonate contents (CaCO3= (TC − OC) × 8.333) and the mass ratio of OC to TON content ((C/N)OC), which was corrected for mineral-associated inorganic N. The stable carbon isotope composition of OC in surface sediments (δ13COC) was measured using a Thermo Delta isotope ratio mass spectrometer coupled to a Carlo Erba elemental analyzer. δ13COC values are given in per mil notation relative to the Vienna Pee Dee Belemnite standard. The standard deviation of duplicate analyses ranged from 0.01‰ to 0.18‰, with an average of 0.10‰. See details in related publication (Wei et al., 2025). |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_971521 |
| institution | PANGAEA |
| language | en |
| publishDate | 2025 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Organic carbon (OC) content, nitrogen content, C/N ratio, carbonate content, δ13C of OC, mean grain size, surface area, calculated fraction, content and loading of terrestrial and marine OC in surface sediments of Helgoland Mud Area in the North Sea Wei, Bingbing Holtappels, Moritz Anthropogenic impacts on particulate organic carbon cycling in the North Sea; APOC; Calcium carbonate; Calculated; Calculated from the grain size distribution of the sediments; Carbon, organic, loading; Carbon, organic, marine; Carbon, organic, marine, loading; Carbon, organic, marine, loading, standard deviation; Carbon, organic, marine, standard deviation; Carbon, organic, marine fraction; Carbon, organic, marine fraction, standard deviation; Carbon, organic, terrestrial; Carbon, organic, terrestrial, loading; Carbon, organic, terrestrial, loading, standard deviation; Carbon, organic, terrestrial, standard deviation; Carbon, organic, terrestrial fraction; Carbon, organic, terrestrial fraction, standard deviation; Carbon, organic, total; Carbon, organic, total/Nitrogen, organic, total ratio; Carbon and nitrogen and sulfur (CNS) isotope element analyzer, Elementar, Vario EL III; Carbon Burial; CYPOC; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Element analyser CHN, LECO CS 125; ELEVATION; Event label; Grab; GRAB; Grain size, CILAS 1180 Laser Particle Analyser; Grain size, mean; HE595; HE595_100-2; HE595_101-2; HE595_102-2; HE595_103-2; HE595_104-2; HE595_105-2; HE595_110-2; HE595_12-3; HE595_1-3; HE595_13-1; HE595_14-1; HE595_15-1; HE595_16-1; HE595_17-1; HE595_18-1; HE595_19-1; HE595_22-1; HE595_26-1; HE595_27-1; HE595_28-1; HE595_29-1; HE595_30-1; HE595_31-1; HE595_32-1; HE595_33-1; HE595_34-1; HE595_35-1; HE595_36-1; HE595_37-1; HE595_38-1; HE595_39-1; HE595_41-4; HE595_45-1; HE595_48-3; HE595_6-1; HE595_67-4; HE595_69-1; HE595_70-1; HE595_80-2; HE595_81-2; HE595_82-2; HE595_83-2; HE595_84-2; HE595_85-2; HE595_86-2; HE595_87-2; HE595_88-2; HE595_89-2; HE595_90-2; HE595_9-1; HE595_91-2; HE595_92-2; HE595_93-2; HE595_96-1; HE595_97-1; HE595_98-3; HE595_99-2; Heincke; Helgoland mud area; Isotope ratio mass spectrometer, Thermo, Delta; coupled to elemental analyzer, Carlo Erba; LATITUDE; LONGITUDE; MUC; MultiCorer; Nitrogen, total; North Sea; Stable carbon isotopes δ13C; Surface area; δ13C, organic carbon; δ13C, organic carbon, standard deviation The grain size of sediments was determined with a Cilas 1180 laser-diffraction particle analyzer (range 0.04–2500 μm) and the mean grain size was calculated. The surface area (SA) was calculated from the grain size distribution of the sediments. The OC content of surface sediments was determined using a carbon-sulfur analyzer (CS-125, Leco) after decarbonization with HCl. The total carbon (TC) and nitrogen (TN) contents of the samples were analyzed using a carbon-nitrogen-sulfur analyzer (Elemental III, Vario) and used to calculate carbonate contents (CaCO3= (TC − OC) × 8.333) and the mass ratio of OC to TON content ((C/N)OC), which was corrected for mineral-associated inorganic N. The stable carbon isotope composition of OC in surface sediments (δ13COC) was measured using a Thermo Delta isotope ratio mass spectrometer coupled to a Carlo Erba elemental analyzer. δ13COC values are given in per mil notation relative to the Vienna Pee Dee Belemnite standard. The standard deviation of duplicate analyses ranged from 0.01‰ to 0.18‰, with an average of 0.10‰. See details in related publication (Wei et al., 2025). |
| title | Organic carbon (OC) content, nitrogen content, C/N ratio, carbonate content, δ13C of OC, mean grain size, surface area, calculated fraction, content and loading of terrestrial and marine OC in surface sediments of Helgoland Mud Area in the North Sea |
| topic | Anthropogenic impacts on particulate organic carbon cycling in the North Sea; APOC; Calcium carbonate; Calculated; Calculated from the grain size distribution of the sediments; Carbon, organic, loading; Carbon, organic, marine; Carbon, organic, marine, loading; Carbon, organic, marine, loading, standard deviation; Carbon, organic, marine, standard deviation; Carbon, organic, marine fraction; Carbon, organic, marine fraction, standard deviation; Carbon, organic, terrestrial; Carbon, organic, terrestrial, loading; Carbon, organic, terrestrial, loading, standard deviation; Carbon, organic, terrestrial, standard deviation; Carbon, organic, terrestrial fraction; Carbon, organic, terrestrial fraction, standard deviation; Carbon, organic, total; Carbon, organic, total/Nitrogen, organic, total ratio; Carbon and nitrogen and sulfur (CNS) isotope element analyzer, Elementar, Vario EL III; Carbon Burial; CYPOC; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Element analyser CHN, LECO CS 125; ELEVATION; Event label; Grab; GRAB; Grain size, CILAS 1180 Laser Particle Analyser; Grain size, mean; HE595; HE595_100-2; HE595_101-2; HE595_102-2; HE595_103-2; HE595_104-2; HE595_105-2; HE595_110-2; HE595_12-3; HE595_1-3; HE595_13-1; HE595_14-1; HE595_15-1; HE595_16-1; HE595_17-1; HE595_18-1; HE595_19-1; HE595_22-1; HE595_26-1; HE595_27-1; HE595_28-1; HE595_29-1; HE595_30-1; HE595_31-1; HE595_32-1; HE595_33-1; HE595_34-1; HE595_35-1; HE595_36-1; HE595_37-1; HE595_38-1; HE595_39-1; HE595_41-4; HE595_45-1; HE595_48-3; HE595_6-1; HE595_67-4; HE595_69-1; HE595_70-1; HE595_80-2; HE595_81-2; HE595_82-2; HE595_83-2; HE595_84-2; HE595_85-2; HE595_86-2; HE595_87-2; HE595_88-2; HE595_89-2; HE595_90-2; HE595_9-1; HE595_91-2; HE595_92-2; HE595_93-2; HE595_96-1; HE595_97-1; HE595_98-3; HE595_99-2; Heincke; Helgoland mud area; Isotope ratio mass spectrometer, Thermo, Delta; coupled to elemental analyzer, Carlo Erba; LATITUDE; LONGITUDE; MUC; MultiCorer; Nitrogen, total; North Sea; Stable carbon isotopes δ13C; Surface area; δ13C, organic carbon; δ13C, organic carbon, standard deviation |
| url | https://doi.org/10.1594/PANGAEA.971521 |