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Hosting Legal Entity
Helmholtz Association
Wischhofstrasse 1-3, GEOMAR, Kiel, PO: 24148 (Germany)
Type Of RI
Coordinating Country
Current Status:
Operational since 1976
Being upgraded since 2009 to 2010
Scientific Description
The POSEIDON was built in 1976 and belongs to the pool of mid-size German research vessels. Its home port is in Kiel, Germany, and it is owned by the state of Schleswig-Holstein. The ship, which was named after the ancient Greek god of the seas, is deployed mainly in the Northern Atlantic and the Mediterranean. The POSEIDON is easy to navigate and retains a stable position even in heavy seas. In the early 1980s, the vessel was upgraded for expeditions to explore the deep sea. On POSEIDON the focus of research is on oceanography, marine biology and geology. For these research activities, the POSEIDON is equipped with five laboratories, winches, cranes and echo sounders. Some pieces of mobile equipment, such as a multi-beam echo sounder and a water sampling rosette, can also be used with other vessels. Furthermore, the POSEIDON is well-suited for the deployment of the submersible JAGO.The ship is available all year round, considering all applicants and institutional obligations. The range of operation covers the North Atlantic, the Baltic Sea, the Mediterranean Sea and the Black Sea.The period of cruise planning and lead time for application is one year, with a deadline of 30 September of the preceding year.The allocation of ship time, quality control and eligibility are under the responsibility of the steering group on the operation of medium-sized research vessels, based on a successful scientific evaluation.The current cost for the ship per diem at sea is €11,500.Cruising speed, range: 9 kn, 5000 nm. Endurance at sea: 24 days.

RI Keywords
Geology, Research vessel, Oceanography, Marine platform, Marine biology
RI Category
In situ Marine/Freshwater Observatories
Earth, Ocean, Marine, Freshwater, and Atmosphere Data Centres
Marine & Maritime Engineering Facilities
Research Data Service Facilities
Scientific Domain
Chemistry and Material Sciences
Biological and Medical Sciences
Earth and Environmental Sciences
Support for collecting marine samples and data

Participation in scientific expeditions. There are 11 berths for scientists.

Training of doctoral and postdoctoral researchers

Scientific programme for the training of young researchers.

Technical support for users during research expeditions
Multibeam system

A multibeam echosounder for bathymetric measurements up to water depth of 2500m.


Moon pool; 1 container place; diverse lifting gear, winches and cables; seawater system; data distribution; ADCP, thermosalinograph.


On board are 4 laboratories: dry lab, wet lab, chemical lab and filling lab.

Date of last update: 23/04/2019
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