Seasonal Dataset of DIC, δ13CDIC, DOC, δ13CDOC, pCO2(aq), FCO2 and Biogeochemical Parameters in the Danube River (2023–2024)
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| Format: | Dataset Open Access |
| Sprache: | en |
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PANGAEA
2026
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| _version_ | 1867169175341891584 |
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| author | Maier, Jan Barth, Johannes Arthur |
| author_facet | Maier, Jan Barth, Johannes Arthur |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | This dataset contains dissolved inorganic/organic carbon (DIC/DOC) concentrations, its stable isotope ratios (δ13CDIC/DOC), partial pressure of carbon dioxide in the water column pCO₂(aq) (pCO2(aq)) and area-integrated CO₂ emission rates derived from flux calculations (FCO2; g C d⁻¹), along with corresponding parameters (temperature, pH, calcium, bicarbonate) collected from the Danube River and its key tributaries during five seasonal sampling campaigns in 2023 and 2024. Water samples were collected using a weighted 2 L sampling bottle submerged 1–2 meters below the surface, with sampling conducted from the river center via bridges or passenger boats, and occasionally from the riverbank. In situ temperature measurements were taken with a multiparameter instrument (HQ40d, HACH™, Loveland, CO, USA). δ13ODIC/DOC was analyzed using a OI Analytical Aurora 1030W-IRMS. This dataset is providing valuable insights into carbon dynamics in a large river system and support investigations of biogeochemical cycling. It further can inform ecosystem management and conservation strategies under changing environmental conditions. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_993653 |
| institution | PANGAEA |
| language | en |
| publishDate | 2026 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Seasonal Dataset of DIC, δ13CDIC, DOC, δ13CDOC, pCO2(aq), FCO2 and Biogeochemical Parameters in the Danube River (2023–2024) Maier, Jan Barth, Johannes Arthur Acid titration, 0.16N H2SO4; Bicarbonate; Calcium ion; Carbon, inorganic, dissolved; Carbon, organic, dissolved; Carbon cycling; Carbon dioxide, emission rate; Carbon dioxide, partial pressure; CO2 fluxes; DALIA; Danube River; DATE/TIME; dissolved in organic carbon (DIC); dissolved organic carbon (DOC); fCO2; Inductively Coupled Plasma Mass Spectrometry, Thermo Fisher Scientific, iCap Q ICP-MS; isotope analysis; LATITUDE; LONGITUDE; pCO2; pH; PHREEQC modeling; Portable 2-channel multimeter, Hach, HQ40D; River; River kilometer; Sample ID; Season; seasonal fluctuations; Surface area; Temperature, water; TIC–TOC analyzer, OI Analytical, Aurora 1030W; Transfer velocity, scaled; tributary; Water sampler; weathering; δ13C, dissolved inorganic carbon; δ13C, dissolved organic carbon This dataset contains dissolved inorganic/organic carbon (DIC/DOC) concentrations, its stable isotope ratios (δ13CDIC/DOC), partial pressure of carbon dioxide in the water column pCO₂(aq) (pCO2(aq)) and area-integrated CO₂ emission rates derived from flux calculations (FCO2; g C d⁻¹), along with corresponding parameters (temperature, pH, calcium, bicarbonate) collected from the Danube River and its key tributaries during five seasonal sampling campaigns in 2023 and 2024. Water samples were collected using a weighted 2 L sampling bottle submerged 1–2 meters below the surface, with sampling conducted from the river center via bridges or passenger boats, and occasionally from the riverbank. In situ temperature measurements were taken with a multiparameter instrument (HQ40d, HACH™, Loveland, CO, USA). δ13ODIC/DOC was analyzed using a OI Analytical Aurora 1030W-IRMS. This dataset is providing valuable insights into carbon dynamics in a large river system and support investigations of biogeochemical cycling. It further can inform ecosystem management and conservation strategies under changing environmental conditions. |
| title | Seasonal Dataset of DIC, δ13CDIC, DOC, δ13CDOC, pCO2(aq), FCO2 and Biogeochemical Parameters in the Danube River (2023–2024) |
| topic | Acid titration, 0.16N H2SO4; Bicarbonate; Calcium ion; Carbon, inorganic, dissolved; Carbon, organic, dissolved; Carbon cycling; Carbon dioxide, emission rate; Carbon dioxide, partial pressure; CO2 fluxes; DALIA; Danube River; DATE/TIME; dissolved in organic carbon (DIC); dissolved organic carbon (DOC); fCO2; Inductively Coupled Plasma Mass Spectrometry, Thermo Fisher Scientific, iCap Q ICP-MS; isotope analysis; LATITUDE; LONGITUDE; pCO2; pH; PHREEQC modeling; Portable 2-channel multimeter, Hach, HQ40D; River; River kilometer; Sample ID; Season; seasonal fluctuations; Surface area; Temperature, water; TIC–TOC analyzer, OI Analytical, Aurora 1030W; Transfer velocity, scaled; tributary; Water sampler; weathering; δ13C, dissolved inorganic carbon; δ13C, dissolved organic carbon |
| url | https://doi.org/10.1594/PANGAEA.993653 |