from msm71 Blog

From the Canary Islands to Crete: sailing the Mediterranean straits, Part II

A rainbow on the vast Atlantic Ocean after sailing out of Las Palmas de Gran Canaria. Photo: A. Beniest/ UMPC

Bottlenecks – part II (read part I here) In our final blog we will re-capture our journey through the Mediterranean as it is not very often that one gets to travel from one end almost to the other. The Mediterranean is unique because of its numerous passages and straits. These maritime bottlenecks also characterized our […]

from Cape Verde Blog

POS520: Exciting Discoveries / Spannende Entdeckungen

Bruce Robison, MBARI, climbing out of JAGO after a dive down to 350 m, welcomed back on board by the two technicians Peter and Ede / Bruce Robinson (MBARI) verlässt nach einem Tauchgang bis in 350 Metern Tiefe das Tauchboot JAGO. Die beiden Techniker Peter und Ede begrüßen ihn zurück an Deck. Photo: Karen Hissmann/JAGO-Team

Oceanographic pioneer Maurice Ewing is reported to have advised his students that the key to discovery is to take a new instrument to a place where no one has explored before. The midwater research conducted off the Cape Verde Islands during Poseidon Cruise 520 is a fine example of that research philosophy. The unique combination […]

from Cape Verde Blog

POS520: My dive into the deep / Mein Tauchgang in das unendliche Blau

Meeresbiologe Nuno Vieira - hier mit JAGO-Pilot JürgenSchauer - ist der erste Kapverdier, der in einem Tauchboot die Unterwasserwelt seiner Heimat erkundete. / Nuno Vieira - here with JAGO pilot Jürgen Schauer - became the first Capo Verdean who went down in a manned submersible to observe the underwater world in the blue waters off an Capo Verden Island. Photo: Karen Hissmann/JAGO-Team

by Nuno Vieira (INDP) During POS520 I help my German colleagues to collect environmental data with a CTD and water sampler rosette. I filter seawater samples taken in different depths to determine its oxygen content, and I assist in operating the Microstructure Probe which is used to profile the vertical current structure of the ocean. […]

from msm71 Blog

From the Canary Islands to Crete: sailing the Mediterranean straits, Part I

The Maria S Merian in the harbour of Las Palmas de Gran Canaria, one day before departure. Photo: D. Lange, GEOMAR

Bottlenecks In our final blog we will re-capture our journey through the Mediterranean as it is not very often that one gets to travel from one end almost to the other. The Mediterranean is unique because of its numerous passages and straits. These maritime bottlenecks also characterized our journey, but luckily mproved to be the […]

from Cape Verde Blog

POS520: Searching for traces in the open ocean / Auf Spurensuche im offenen Ozean

Veronique Merten im Tauchboot JAGO / Veronique Merten in the submersible JAGO. Photo: Jürgen Schauen/JAGO-Team

(Deutsche Version unten) Our cruise on the RV POSEIDON slowly comes to an end and today is the last day of sampling. My task during this cruise is sampling environmental DNA (eDNA). eDNA is defined as genetic material obtained directly from environmental samples, in our case water samples of different depths, without any obvious signs […]

from Cape Verde Blog

POS520: Exploring the water column with manned submersible JAGO / Mit Tauchboot JAGO im Freiwasser unterwegs

Das Team des bemannten Tauchbootes JAGO / The Team of the manned submersible JAGO. Photo: Karen Hissmann /JAGO - Team

(Deutsche Version unten) Finally, we have JAGO back on board the FS POSEIDON once again, and this time in an even warmer working area. We gladly left the gray winter in Kiel behind for this cruise. Every time we pull the yellow submersible out of the transport container on the deck of POSEIDON, it’s like […]

from Cape Verde Blog

POS520: Insects of the deep sea / Hyperiide Amphipoden – die Insekten der Tiefsee

Cystisoma magna mit Kopf und Augen auf der linken Seite. Die Netzhäute der Einzelaugen sind eingebettet in ein orangefarbenes Gewebenetz, das im oberen Teil des Kopfes sichtbar ist. Rote Chromatophore (Pigmentzellen) konzentrieren sich um den Rand der Gliedmassen sowie um den Darm herum / Cystisoma magna with head and eyes on the left and retina visible as the fine orange mesh-work suspended in the upper portion of the head. Red chromatophores edge all the appendages as well as the gut. Photo: Karen Osborn

(Deutsche Version unten) Between the 14 Feb and 1 May expedition POS520 with RV Poseidon and the submersible JAGO takes place off the coast of the cape verde island Santo Antão. The chief scientist, the JAGO team and participants of the cruise write here as guest writers. Today: Karen Osborn, Curator of Marine Invertebrates at […]