News 2021

Showing 21-25 of 27 items.

Sub-sampling of core sediments collected from the ocean floor for microscopic studies. Because the organisms that are being investigated are very tiny, a “toothpick” sample is usually enough for this kind of analysis. Photo: Nina Rooks Cast

Phytoplankton contributes to CO2 reduction

May 27, 2021

A study of marine sediments from the Indian Ocean highlights the key role of marine phytoplankton in the global carbon cycle. Dr. Deborah Tangunan, who ...

The basis for GLOMAP is data obtained from deep-sea sediment cores. Photo: MARUM - Center for Marine Environmental Sciences, University of Bremen; V. Diekamp

New world map of sea-surface temperature and sea-ice extent during the Last Glacial Maximum

Apr 13, 2021

Researchers use maps to visualize their data. Using paleodata from the international MARGO project ("Multiproxy Approach for the Reconstruction of the ...

Research vessel Kaimei. Credits © JAMSTEC

Tracking past earthquakes along the Japan Trench

Mar 11, 2021

Japan is located on the Pacific Ring of Fire, a region of special interest in earthquake research. The range of possible earthquake magnitudes and ...

The sample material from the deep biosphere that was analyzed for the study came, among others, from the IODP Expedition 329 with the research drilling ship JOIDES RESOLUTION. Here, the ship is moored in the harbor of Papeete, Tahiti, before the start of

Microbes deep beneath seafloor survive on byproducts of radioactive process

Mar 2, 2021

In a process called radiolysis, water is broken down into its component parts by ionizing radiation. In wet sediment and rock, this natural process ...

Aerial photo of the Store glacier, West Greenland (uummannaq fjord). Photo: Alfred Wegener Institute / Coen Hofstede

‘Missing Ice Problem’ Finally Solved

Feb 23, 2021

During glacial periods, the sea level falls, because vast quantities of water are stored in the massive inland glaciers. To date, however, computer models ...