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News - Guests

Here, we inform you about highlights of our research including relevant publications, recent expeditions, and new projects. We introduce new members of our working group and welcome scientists visisting our group to discuss joint projects. You can also find information about how our work is recognised in the public media.

2018

CT analyses

cc

December 2018 - Dr. Anxo Mena from the University of Vigo (Spain) is visiting our working group for one week to work together with Jürgen on CT data obtained from contourite cores of the Gulf of Cádiz. This work is part of the INPULSE project aiming at the characterization of the overflow related to the Mediterranean Outflow Water (MOW) and the possible link between oceanographic and sedimentary processes in the Gulf of Cádiz continental slope.

Acesta sampling

Jacek Raddatz / Acesta

November 2018Dr. Jacek Raddatz from the Goethe-University Frankfurt visited our working group together with his PhD student Nicolai Schleinkofer. They sampled from sediment cores retrieved from cold-water coral mounds off Mauritania shells of the deep-sea bivalve Acesta excavata. In cooperation with Claudia and Jürgen, these samples will be analysed for stable isotopes, element ratios and Bor-isotopes.

Cruise M151 ATHENA

RV Meteor M151 (V. Diekamp)

October 2018 - During RV Meteor expedition M151 (Athena), we studied seamounts south of the Azores and their colonization with cold-water corals. The cruise was led by the University of Heidelberg, and Dierk, Claudia and Leonardo joined the cruise. Find out what we discovered during the cruise...

Impressions of M151

ROV Squid (c) V. Diekamp
Deployment gravity corer (c) V. Diekamp
Grab sampling (c) V. Diekamp

New guest from Canada

....

September 2018 - We like to welcome Pierre-Olivier Couette from the Laval University. Pierre is a PhD student of the 2nd cohorte of ArcTrain (Canadian partner) and works on bathymetry data and core material collected from the Baffin Bay.

New guest from Ireland

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September 2018 - We like to welcome Luke O'Reilly who is visiting our working group for a few weeks. Luke is a PhD student from the Marine Geology Research Group of the University College Cork and he is working on CT scan data obtained from cold-water coral mounds off Ireland.

Goodbye Gema & Martin

mm

July 2018 - At the end of June, Gema and Martin are leaving our working group. They were both working at MARUM for several years and became valuable personalities of our group. Gema will start a new position at the AWI and Martin will continue his career in Hamburg. We wish both all the best for their future.

The 1st place goes to...OUAT

(c) OUAT

June 2018 - The 1st place at the symposium "Bridging European Science II" from the society of Spanish researchers in Germany (https://cerfa.de/eventos_cerfa/bes-ii/ …) goes to.. Once upon a time!!! Congrats..

Congratulations Martina!

(c) C. Wienberg

March 2018 - Today, Martina successfully defended her PhD with a talk entitled: "Glacial-interglacial driven variations in Western Pacific Warm Pool surface and thermocline conditions". Congratulations and we hope you will have the possibility stay in our wirkong group!

Congratulations Florian!

(c) C. Wienberg

January 2018 - Today, Florian suc­cess­fully de­fen­ded his PhD thesis with a talk en­titled: "History of heavy metals to North Sea sediment depocenters". Con­grat­u­la­tions Florian and all the best for your future in Cologne!!!

Welcome Gesche

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January 2018 - We like to welcome a new member of our working group. Gesche Heidemann will work for the graduate school GLOMAR and will support Tina with the coordination of the course programme for early career researchers.

Welcome Chelsea

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January 2018 - We like to welcome a new member of our working group. Chelsea Korpanty will work as an associate scientist for GLOMAR. She just arrived from Australia, where she did a PhD on the ecological dynamics of Pleistocene reef corals.

Happy New Year!

...

January 2018 - Our working group wishes everybody much success, happiness and joy for the year 2018!!!

2017

Congratulations Martin!

(c) D. Pittauer

November 2017 - Today, Martin suc­cess­fully de­fen­ded his PhD thesis with a talk en­titled: "Did the northernmost extension of the North Atlantic Current affect the deglaciation of Svalbard?" Con­grat­u­la­tions Martin and enjoy your life as a PostDoc!!!

Welcome Rodrigo

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November 2017 - We like to welcome a new member of our working group. Dr. Rodrigo da Costa Portilho Ramos (Brazil) will work as a PostDoc for the EU-funded HORIZON 2020 project ATLAS.

EBook for download

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download the eBook in English, German or Spanish

Once upon a time...

ouat

October 2017 - The eBook containing the short stories about the role of the oceans in cli­mate change and how hu­mans can contribute to pro­tect the seas is now abilable for download. The team of "Once upon a time..." project have done a great job and created amaz­ing, in­spir­ing and fant­astic stor­ies .. 

Short stories on corals

ouat

Our team members Leonardo and Haozhuang created two wonderful stories about cold-water corals: "Lophelina" & "Swim! It's trawling". And Gema explains us the impact of a rising sea level on the Bremen area: "The Bremen Town Musicians set sail".

New guest from India!

dps

October 2017 - We like to welcome a new guest in our working group. Dharmendra Pratap Singh from the National Institute of Oceanography in Goa (India) will work in cooperation with Mahyar on glacial-interglacial variations of the Indian Ocean Monsoon. His on-year research stay is funded by the DAAD (Programme: Bi-nationally Supervised Doctoral Degrees).

and the winner is..!

ouat

September 2017 - The team of "Once upon a time..." has won the college competion of the Year of Sci­ence 2016*2017 sponsored by the Science in Dialog. Their idea: to com­mu­nic­ate sci­ence and their own re­search and to share it with the public. They prepared short stor­ies which are about the role of the oceans in cli­mate change and how hu­mans can contribute to pro­tect the seas.

Two guests from Iran!

dariush-reza

June 2017 - We like to welcome two guests from Iran to our working group. Reza Safaierad and Dariush Noorollahi from the University of Tehran will work in cooperation with Mahyar and Lydie on core material from south-eastern Iran to reconstruct variations in Holocene monsoon rainfall.

Congratulations Lélia!

l

June 2017 - Today, Lélia suc­cess­fully de­fen­ded her PhD thesis with a talk en­titled: "Cli­ma­te chan­ge-trig­ge­red pa­c­ing of cold-wa­ter co­ral oc­cu­rence in the nor­thwes­tern At­lan­tic". Con­grat­u­la­tions Lélia and all the best for your fu­ture!!!

Congratulations Carmen!

© D. Pittauer

May 2017 - Today, Carmen suc­cess­fully de­fen­ded her PhD thesis with a talk en­titled: "Environmental factors driving the seasonal variability in the properties of Saharan dust deposited on- and offshore NW Africa". Con­grat­u­la­tions Carmen and all the best for your fu­ture!!!

Leonardo on Polarstern

Leonardo

April 2017 - Our PhD student Leonardo participates in the RV Polarstern cruise PS105 going from Las Palmas to Bremerhaven. During this trip (11-20 April), a training programme in hydroacoustic measurements will take place, in which 16 students from Germany, Italy, Ireland and the People’s Republic of China participate.

2016

Welcome Jens

jw

November 2016 - We like to welcome a new member of our working group. Jens Weiser started as a PhD student and will work on core material collected from the Baffin Bay during cruise MSM44. Jens's PhD project is part of the International Research Training Group ArcTrain.

Congratulations Conny!

Conny's PhD defence

Oktober 2016 - Today our PhD student Conny successfully defended her PhD thesis with a talk entitled: "Rainfall variability over the Maritime Continent during the late Holocene". Congratulations Conny and all the best for your future in Verden!!!

Welcome Leonardo

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Oktober 2016 - We like to welcome a new member of our working group. Leonardo Tamborrino started as a PhD student and will work on data and material which we recently obtained from cold-water coral ecosystems off Angola and Namibia during our successful RV Meteor cruise M122 ANNA.

Congratulations!

and the winner is..

September 2016 - Dharma (main proponent), Sandy, Haozhuang, Leonardo and other colleagues from MARUM won a prize in the frame of the "Hochschulwettbewerb zum Wissenschaftsjahr 2016*17". The project’s idea is to communicate science by creating fairy tales dealing with climate change in the oceans to deepen the dialog between science and society. The final product is an illustrated book translated to different languages.

Hello again

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May-September 2016 - For a second time, we welcome our Guest Scientist: Prof. Dr. Gregor Eberli from the RSMAS-CLS, University of Miami. Gregor got a fellowship for a 2-periods research stay from the HWK and is now here to continue his work on the research project: Processes Controlling Cold-Water Coral Systems from the Gulf of Mexico to the Western Atlantic.

Nature Review Paper

Nature publication

May 2016 - Congrats to Mahyar, Matthias and Stephan who just published a Review Paper in Nature. They review evidence from palaeoclimate archives, interpreted through the lens of climate model simulations, to show that monsoonal variability is driven by meridional temperature gradients and that monsoon systems exhibit substantial regional character. See: Mohtadi et al. 2016, Nature 533, 191–199.

Goodbye Stephan..

Stephan Steinke

May 2016 - Unfortunately, we "lost" one of our standing group members. Stephan Steinke started in May a professorship at the newly established Department of Geological Oceanography, University of Xiamen (China). Since 2003, Stephan was working for MARUM focussing on climate change in the western Pacific. We wish you much success!

Welcome Dharma

Dharma

April 2016 - We like to welcome a new member of our working group. Dharma Reyes Macaya did her Master in Oceanography Sciences at the University of Concepción (Chile). She now started her PhD project "Water Column Variability of the South Pacific during the Pleistocene" which is funded by the DAAD.

Discovery of Lophelia-reef

Lophelia off Angola © MARUM, ROV Squid

January 2016 - During R/V Meteor cruise M122, we did spectacular discoveries of living cold-water corals off Angola. The corals live there today under extremely low dissolved oxygen concentrations, which are far below those values obtained so far by in situ observations and laboratory experiments. Learn more about our cruise...

2015

Welcome Sandy

sb

December 2015 - We like to welcome a new member of our working group. Sandy Boehnert started as a PhD student ("Anthropogenic impact on the development of coastal marine ecosystems through the last millennium: comparing presumably high (German Bight) with low impact (Coromandel peninsula, NZ) regions") working within the frame of INTERCOAST.

And the winner is...

Preisverleihung

Novemver 2015 - A team of scientists from our group (Dierk Hebbeln), GEOMAR Kiel (Christian Dullo), and Senckenberg am Meer Wilhelmshaven (André Freiwald) received an award ("Norddeutscher Wissenschaftspreis 2015") for their joint research on cold-water coral ecosystems. The prize is awarded by the five North German Federal States.

Welcome Haozhuang

hw

October 2015 - We like to welcome a new member of our working group. Haozhuang Wang started as a PhD student and will work on cold-water coral ecosystems of the West Melilla coral province (Alboran Sea, western Mediterranean Sea).

Congratulations Riza!

Riza's PhD defence

September 2015 - Today our PhD student Riza successfully defended his PhD thesis with a talk entitled: "Hydrological changes in the eastern tropical Indian Ocean during the past ~40 kyr". Congratulations Riza and all the best for your future in Indonesia.

Prof. Dr. Gregor Eberli

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May-July 2015 - We welcome our Guest Scientist: Prof. Dr. Gregor Eberli from the RSMAS-CLS, University of Miami. Gregor got a fellowship for a 3-months research stay from the HWK and will work on material obtained during our joint Merian cruise MSM20-4.

2014

Welcome Martina

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November 2014 - We like to welcome a new member of our working group. Martina Hollstein started as a PhD student and will work on sediment cores collected off Indonesia.

Welcome Dana

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September 2014 - We like to welcome a new member of our working group. Daniela Pittauerova started as a new research associate in GLOMAR and will be responsible for the Research Theme A "Ocean & Climate".

Dr. Agostino Vertino

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May 2014 - We welcome our Guest Scientist: Dr. Agostina Vertino from the Milano-Bicocca University (Italy). Agostina is a Paleontologist and will work together with Jürgen on carbonates collected from the Mediterranean (La Montagna).

Nature publication

Mayhar in the lab onboard Sonne

May 2014 - Mahyar, Stephan and co-authors showed that the North Atlantic was forcing tropical Indian Ocean climate in the past. The results of this study are now published in Nature (Nature 509, 76–80 , doi:10.1038/nature13196).

Welcome Florian

Florian Boxberg

May 2014 - We like to welcome a new member of our working group. Florian Boxberg started as a PhD student ("Anthropogenic impact on the development of coastal marine ecosystems through the last millenium") within the frame of INTERCOAST.

Discovery of Lophelia-reef

Lophelia off Mexico © MARUM, ROV Cherokee

April 2014 - During R/V MERIAN cruise MSM20-4 to the Gulf of Mexico (lead by Dierk & Claudia) discovered one of the largest cold-water coral reefs which have been known so far. Results of this study were recently published in Biogeosciences. more...

Successful MeBo-cruise

MeBo-Cores (Cruise MSM36)

February - March 2014 - Dierk, Claudia and Martin are just back from R/V M.S. Merian cruise "MoccoMeBo" during which they conducted 11 successful MeBo drillings. Supplemented by gravity cores, a total recovery of >500 m of sediments were collected fom various cold-water coral mounds along the Moroccan margin. more...

Quentin Dubois-Dauphin

Quentin Dubois-Dauphin

February 2014 - We welcome our Guest: Quentin Dubois-Dauphin. Quentin is a PhD student at the University of Paris (supervisor: Christophe Colin). He works on U/Th datings and Nd isotopes obtained from cold-water corals of the Mediterranean Sea. He was in Bremen to discuss potential collaboration between our working groups to share coral material and data.

2013

Welcome Yusuf

Yusuf

  

December 2013 - We like to welcome a new member of our working group. Yusuf M. Awaluddin just arrived from Indonesia and will start as a PhD student working on sediment cores collected during RV Sonne cruise SO228 off the Philippines.

Prof. Dr. Norbert Frank

Norbert Frank

December 2013 - We welcome our Guest: Prof. Dr. Norbert Frank who is professor at the Institut für Umweltphysik at the University of Heidelberg. Dierk and Claudia have a long-standing cooperation with Prof. Frank originally initiated in the frame of the EU-project HERMES. They published several joint publications on U-series datings on cold-water corals.

Guest Scientist from China

South China Sea

November 2013 - We welcome our Guest Scientist from China: Jianguo Liu. Jianguo works as an associate professor at the South China Sea Institute of Oceanology (SCSIO) in Guangzhou. He will be at MARUM for 1 year as a visiting scholar to study clay minerals, grain sizes and element composition of trap sediment samples from the Pearl River, South China Sea.

Visit from Indonesia

Guest from Indonesia

November 2013 - We welcome our Guest Scientists from Indonesia: Nazar Nurdin, Mustaba Ari Suryoko, Eko Saputro and Septriono Hari Nugroho. They are scientists from Indonesia (ESDM, LIPI) and are in Bermen to get insight into the MARUM lab facilities for sedimentological studies. Their visit is part of the Bremen-Indonesian collaboration SPICE.

Loubna Terhzaz

Loubna Terhzaz

November 2013 - We welcome our Guest Scientist: Loubna Terhzaz from the Université Mohamed V-Agdal (Rabat, Morocco). Loubna just started her PhD study (supervisor: Naima Hammoumi) and will work on sediment cores collected during RV Marion Dufresne cruise MD194, which she is sampling during her stay in Bremen. She works in collaboration with Dierk and Claudia.

Welcome Martin

Martin Bartels

November 2013 - We like to welcome a new member of our working group. Martin Bartels started as a PhD student for the International Research Training Group ArcTrain. He will work for the sub-project "Linking the Late Holocene variability of Svalbard glaciers and ice caps to oceanic heat advection". Welcome Martin!

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Prof. Dr. Gregor Eberli

Gregor Eberli

August 2013 - We welcome our Guest Scientist: Prof. Dr. Gregor Eberli from the Rosenstiel School for Marine & Atmospheric Sciences, University of Miami. Gregor is a sedimentologist and will work together with Dierk & Claudia on cold-water coral related data obtained from the western Atlantic during a joint cruise with RV Maria S. Merian (MSM20-4).

Dr. Agostina Vertino

Agostina Vertino

August 2013 - We welcome our Guest Scientist: Dr. Agostina Vertino from the Milano-Bicocca University (Italy). Agostina is a Paleontologist specialised on scleractinian cold-water corals and will work together with Jürgen on fossil cold-water coral carbonates collected from Sicily and Rhodes.

Welcome Dharma

Dharma

July - December 2013 - We welcome our Guest Student: Dharma Reyes from the Dept. of Oceanography, University of Concepcion (Chile). Dharma is in the final stage of her Master thesis and works on water mass geometry changes that occured off Chile since the LGM. Together with Dierk, Mahyar & Gema she will analyse stable isotope data.

Cruise SO228

RV Sonne

June 2013 - Mahyar (chief scientist), Stephan, Conny, Gema and Riza just retourned from Australia, where RV Sonne cruise SO228 (Kaohsiung-Townsville, 04. May - 23. June 2013) ended after 7 weeks of succesful sediment sampling. The cruise combined three cruise proposals (EISPAC, WESTWIND, SIODP) for research in the Western Pacific... more ...

Cruise MD194

Cruise participants MD194

June 2013 - Dierk and Claudia retourned from a EUROFLEETS cruise with the French RV Marion Dufresne. The cruise GATEWAYS (Cadiz-Lisbon, 10.-21. June 2013) was dedicated to study cold-water corals along the Moroccan margin. Several scientists & students from Belgium, France, Spain, Portugal, Italy, Switzerland and Morocco participated in this cruise... more ...

Cruise P451-2

Cruise participants P451-2

May 2013 - Claudia (chief scientist) and Hiske organised a practical training cruise onboard RV Poseidon (Portimao-Lisbon, 23. April - 01. May 2013), which offered MARUM-GLOMAR PhD-students a unique opportunity to receive specialist, hands-on training in a shipboard research environment... more ...