CTD and nutrient data collected by the RV TÜBİTAK MARMARA during the ASTRA cruise in September 2025 (Western Black Sea, North-Eastern Marmara Sea)
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| Format: | Dataset Open Access |
| Sprache: | en |
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PANGAEA
2026
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| _version_ | 1867169173988179968 |
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| author | Mutlu, Sabri Aslan, Ertugrul Özsu, Eren |
| author_facet | Mutlu, Sabri Aslan, Ertugrul Özsu, Eren |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | CTD and nutrient data were collected during the ASTRA expedition aboard RV TÜBİTAK MARMARA in September 2025 in the Western Black Sea and the North-Eastern Marmara Sea. The dataset comprises vertical profiles measured from the surface down to a maximum depth of 100 m and includes temperature, salinity, density (sigma-t), dissolved oxygen (mg/L and % saturation), fluorescence, turbidity, and photosynthetically active radiation (PAR). In addition, Secchi disc depth measurements and discrete water sample analyses of phosphate (PO₄-P), total phosphorus (TP), silicate (Si), nitrate + nitrite (NOx), ammonium (NH₄-N), total nitrogen (TN), chlorophyll-a, and Winkler dissolved oxygen are provided. These data characterize the physical and biogeochemical structure of the upper water column and can support analyses of stratification, nutrient dynamics, and ecosystem processes in the study area. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_991564 |
| institution | PANGAEA |
| language | en |
| publishDate | 2026 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | CTD and nutrient data collected by the RV TÜBİTAK MARMARA during the ASTRA cruise in September 2025 (Western Black Sea, North-Eastern Marmara Sea) Mutlu, Sabri Aslan, Ertugrul Özsu, Eren 2025-09_ASTRA; 2025-09_ASTRA_01_39; 2025-09_ASTRA_02_38; 2025-09_ASTRA_03_36; 2025-09_ASTRA_04_37; 2025-09_ASTRA_05_40; 2025-09_ASTRA_06_41; 2025-09_ASTRA_07_42; 2025-09_ASTRA_08_43; 2025-09_ASTRA_09_01; 2025-09_ASTRA_10_02; 2025-09_ASTRA_11_03; 2025-09_ASTRA_12_32; 2025-09_ASTRA_13_31; 2025-09_ASTRA_14_33; 2025-09_ASTRA_15_34; 2025-09_ASTRA_16_27; 2025-09_ASTRA_17_28; 2025-09_ASTRA_18_29; 2025-09_ASTRA_19_30; 2025-09_ASTRA_20_35; 2025-09_ASTRA_21_25; 2025-09_ASTRA_22_24; 2025-09_ASTRA_23_12; 2025-09_ASTRA_24_13; 2025-09_ASTRA_25_14; 2025-09_ASTRA_26_23; 2025-09_ASTRA_27_15; 2025-09_ASTRA_28_16; 2025-09_ASTRA_29_17; 2025-09_ASTRA_30_18; 2025-09_ASTRA_31_19; 2025-09_ASTRA_32_20; 2025-09_ASTRA_33_21; 2025-09_ASTRA_34_22; 2025-09_ASTRA_35_26; Ammonium; ASTRA Cruise; Auto analyzer, SEAL Analytical, QuAAtro; Black Sea; Campaign; Chlorophyll a; Conductivity; CTD, Sea-Bird, SBE 25plus; calculated using SBE Data Processing Version 7.26.7; CTD, Sea-Bird, SBE 25plus; measured with conductivity sensor, SEA-BIRD, SBE 4; CTD, Sea-Bird, SBE 25plus; measured with Dissolved oxygen sensor, Sea-Bird, SBE 43; CTD, Sea-Bird, SBE 25plus; measured with Fluorometer, WET Labs, ECO-AFL/FL; CTD, Sea-Bird, SBE 25plus; measured with PAR sensor, Biospherical, LI-COR; CTD, Sea-Bird, SBE 25plus; measured with Turbidity sensor, WET Labs, ECO NTU; CTD/Rosette; CTD profiles; CTD-RO; DATE/TIME; Density, sigma-theta (0); DEPTH, water; Depth of Secchi Disk; Echosounder, Elac-Nautik, HydroStar 4900; ELEVATION; Event label; Fluorescence; GPS Navigator, Koden, KGP-920; LATITUDE; LONGITUDE; Marmara Sea; Nitrate and Nitrite; Nitrogen, total; Nutrient data; Oxidation reduction (RedOx) potential; Oxygen, dissolved; pH; Phosphate; Phosphorus, total; pH sensor, Mettler Toledo, InLab Expert; Pressure, water; Radiation, photosynthetically active; Redox electrode, Mettler Toledo, InLab Expert; Salinity; Secchi disc; Silicate; Station label; Temperature, water; Tübitak Marmara; Turbidity (Nephelometric turbidity unit); Type; Winkler titration CTD and nutrient data were collected during the ASTRA expedition aboard RV TÜBİTAK MARMARA in September 2025 in the Western Black Sea and the North-Eastern Marmara Sea. The dataset comprises vertical profiles measured from the surface down to a maximum depth of 100 m and includes temperature, salinity, density (sigma-t), dissolved oxygen (mg/L and % saturation), fluorescence, turbidity, and photosynthetically active radiation (PAR). In addition, Secchi disc depth measurements and discrete water sample analyses of phosphate (PO₄-P), total phosphorus (TP), silicate (Si), nitrate + nitrite (NOx), ammonium (NH₄-N), total nitrogen (TN), chlorophyll-a, and Winkler dissolved oxygen are provided. These data characterize the physical and biogeochemical structure of the upper water column and can support analyses of stratification, nutrient dynamics, and ecosystem processes in the study area. |
| title | CTD and nutrient data collected by the RV TÜBİTAK MARMARA during the ASTRA cruise in September 2025 (Western Black Sea, North-Eastern Marmara Sea) |
| topic | 2025-09_ASTRA; 2025-09_ASTRA_01_39; 2025-09_ASTRA_02_38; 2025-09_ASTRA_03_36; 2025-09_ASTRA_04_37; 2025-09_ASTRA_05_40; 2025-09_ASTRA_06_41; 2025-09_ASTRA_07_42; 2025-09_ASTRA_08_43; 2025-09_ASTRA_09_01; 2025-09_ASTRA_10_02; 2025-09_ASTRA_11_03; 2025-09_ASTRA_12_32; 2025-09_ASTRA_13_31; 2025-09_ASTRA_14_33; 2025-09_ASTRA_15_34; 2025-09_ASTRA_16_27; 2025-09_ASTRA_17_28; 2025-09_ASTRA_18_29; 2025-09_ASTRA_19_30; 2025-09_ASTRA_20_35; 2025-09_ASTRA_21_25; 2025-09_ASTRA_22_24; 2025-09_ASTRA_23_12; 2025-09_ASTRA_24_13; 2025-09_ASTRA_25_14; 2025-09_ASTRA_26_23; 2025-09_ASTRA_27_15; 2025-09_ASTRA_28_16; 2025-09_ASTRA_29_17; 2025-09_ASTRA_30_18; 2025-09_ASTRA_31_19; 2025-09_ASTRA_32_20; 2025-09_ASTRA_33_21; 2025-09_ASTRA_34_22; 2025-09_ASTRA_35_26; Ammonium; ASTRA Cruise; Auto analyzer, SEAL Analytical, QuAAtro; Black Sea; Campaign; Chlorophyll a; Conductivity; CTD, Sea-Bird, SBE 25plus; calculated using SBE Data Processing Version 7.26.7; CTD, Sea-Bird, SBE 25plus; measured with conductivity sensor, SEA-BIRD, SBE 4; CTD, Sea-Bird, SBE 25plus; measured with Dissolved oxygen sensor, Sea-Bird, SBE 43; CTD, Sea-Bird, SBE 25plus; measured with Fluorometer, WET Labs, ECO-AFL/FL; CTD, Sea-Bird, SBE 25plus; measured with PAR sensor, Biospherical, LI-COR; CTD, Sea-Bird, SBE 25plus; measured with Turbidity sensor, WET Labs, ECO NTU; CTD/Rosette; CTD profiles; CTD-RO; DATE/TIME; Density, sigma-theta (0); DEPTH, water; Depth of Secchi Disk; Echosounder, Elac-Nautik, HydroStar 4900; ELEVATION; Event label; Fluorescence; GPS Navigator, Koden, KGP-920; LATITUDE; LONGITUDE; Marmara Sea; Nitrate and Nitrite; Nitrogen, total; Nutrient data; Oxidation reduction (RedOx) potential; Oxygen, dissolved; pH; Phosphate; Phosphorus, total; pH sensor, Mettler Toledo, InLab Expert; Pressure, water; Radiation, photosynthetically active; Redox electrode, Mettler Toledo, InLab Expert; Salinity; Secchi disc; Silicate; Station label; Temperature, water; Tübitak Marmara; Turbidity (Nephelometric turbidity unit); Type; Winkler titration |
| url | https://doi.org/10.1594/PANGAEA.991564 |