| Plattform Platform |
Reise-Nr. Cruise-No. |
Zeitraum Period |
Projekt Project |
Arbeitsgebiet Working area |
|---|---|---|---|---|
| Elisabeth Mann Borgese | EMB324 | 19.08.2023 - 07.09.2023 | Baltic Sea |
| Fahrtleiter Chief Scientist | Institut Institute | Auslaufhafen Port of departure | Einlaufhafen Port of return | Stationskarte Station map | Schiffsroute Trackchart |
|---|---|---|---|---|---|
| Dellwig Olaf | Leibniz-Institut fur Ostseeforschung, Warnemunde | Rostock | Rostock |
Ziel der Reise / Objectives of Cruise:
Marine scientific research/basic research including inorganic and organic geochemical as well as environmental methods. Sampling of the water column at different depths and corresponding sampling of near-surface sediments to test whether: i) the trace metals tungsten and Nickel and their isotopic composition are reliable redox proxies in the Baltic Sea, ii) organic biomarkers help to reconstruct past phytoplankton productivity and salinity changes, and iii) particle-reactive thorium can be used to track microplastic dynamics. The study area covers the entire Baltic Sea with main sites (water column and near-surface sediment) located in the Skagerrak, Arkona Basin, Bornholm Basin, Gdansk Basin, Eastern Gotland Basin, Gulf of Finland, Bothnian Sea/Bay and Norrkoping Deep. The chosen stations allow coverage of the entire salinity gradient from near-ocean conditions in the Skagerrak towards a nearly freshwater setting in the Bothnian Bay. It further allows studying completely different redox scenarios in the deeper water column, i.e., sulfidic (Gotland Basin, Norrkoping Deep), seasonally hypoxic (Arkona, Bornholm and Gdansk Basins) and oxic situations dominated by intense sedimentary Fe and Mn cycling in (Skagerrak and Bothnian Sea/Bay).
Messungen / Measurements
| Institut Institute |
Wissenschaftler Scientist |
Anzahl Number |
Einheit Unit |
Typ der Messungen Type of measurements |
Kommentar Comments |
Daten im DOD Data in DOD |
|---|---|---|---|---|---|---|
| DTUAQU | Qiao Jixin | 8 | stations | G04 Core-soft bottom (no. of cores) |
Sediment cores (35-45 cm length) obtained with a multicorer for microplastics | no |
| IOW | Kaiser Jerome | 9 | stations | G04 Core-soft bottom (no. of cores) |
Surface sediments (0-1 cm) obtained by multicorer for biomarkers | no |
| IOW | Dellwig Olaf | 72 | cores | G04 Core-soft bottom (no. of cores) |
Near-surface sediments (max. 50 cm) were obtained by a multicorer device (8 tubes) at the nine main stations. | no |
| IOW | Kolbe Martin | 37 | stations | H00 Stations |
- | yes |
| IOW | Dellwig Olaf | 42 | profiles | H09 Water bottle stations |
Water samples were obtained at every station using CTD and Pump CTD both equipped with bottle rosette. | no |
| IOW | Dellwig Olaf | 42 | profiles | H10 CTD-Stations |
Vertical CTD profiles were carried out at every main and transit station. Measured parameters are: Conductivity, temperature, pressure, oxygen, turbidity and fluorescence. | no |
| IOW | Dellwig Olaf | 37 | stations | H30 Trace elements |
Water samples obtained with bottle rosette for trace metals | no |
| IOW | Dellwig Olaf | 19 | day(s) | H71 Surface measurements underway (T, S) |
Temperature and conductivity in surface waters were measured during the entire cruise using the ship`s thermosalinograph. | no |
| IOW | Kolbe Martin | 1 | n miles | H80 Other physical measurements |
Underway measurements udring the whole trip such as coordinates, depth, meteorological parameter and so on | yes |
| IOW | Kaiser Jerome | 37 | stations | P01 Suspended matter |
Large water volume (ca. 500 L) sampling using Pump-CTD for biomarkers | no |
| CAUKI | Elling Felix | 37 | stations | P05 Other dissolved substances |
Water column samples for deuterium isotopes | no |
| DTUAQU | Qiao Jixin | 8 | stations | P90 Other contaminant measurements |
Large water volume (ca. 800 L) sampling using Pump-CTD for microplastics | no |