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News 2013 - 2015

SFB 754 - 3rd phase granted

Article in the Kieler Nachrichten on the approval of the SFB 754's third phase. 
Read the article here

 

SFB 754 - 3rd phase granted

DFG supports SFB 754 with 12 Mio Euro for 2016-2019
Read the official press release.

 

Next SFB 754 young scientists seminar

Tuesday, 30th June, 16:15h - TLZ seminar room (Building 4) GEOMAR, east shore

Ulrike Lomnitz (B5): Benthic phosphorus cycling in the Peruvian oxygen minimum zone.
Jessica Gier (B6): Benthic nitrogen cycling in oxygen minimum zones.

 

Interesting Event: International Ocean Sampling Day in Kiel

On Sunday (June 21st) there was the International Ocean Sampling Day 2015
and again also the GEOMAR participates
.
http://www.oceanblogs.org/oceannavigator/2015/06/22/osd2015

SFB 754 PhD defence

Levin Nickelsen (A2): "Modelling the marine biogeochemical implications of aeolian, sedimentary and riverine iron supply" - Wednesday, 3rd June 2015, 14.00h, large conference room, GEOMAR westshore  

 

Next SFB 754 young scientists seminar

Tuesday, 2nd June, 16:15h - large conference room, GEOMAR, west shore

Kristin Doering (A6):  Combining Silicon Isotope signatures and diatom assemblages to trace variations in silicate utilization and upwelling intensity off Peru

 

Next SFB 754 young scientists seminar

Tuesday, 19th May, 16:15h - large conference room, GEOMAR, west shore
Cameron Callbeck (B4):  Single-cell and hydrodynamic insights into cryptic sulfur cycling

Next SFB 754 young scientists seminar

Tuesday, 12th May, 16:15h - large conference room, GEOMAR, west shore
Judith Meyer (B2):  Nutrient and phytoplankton stoichiometry in the ETSP
Chris Somes (B1):  The influence of non-Redfield DOP cycling on N2 fixation in a global ocean biogeochemical model

 

"Open ocean dead zones"

Marine Scientists from Kiel describe unobserved phenomenon in the Atlantic. 
Read more. 

 

Next SFB 754 young scientists seminar

Tuesday, 5th May, 16:15h - large conference room, GEOMAR, west shore
Hannes Wagner (B9)Particle fluxes in the eastern tropical North Atlantic OMZ.
Pieter Vandromme (B1/B8)Size-based modeling of the zooplankton diel vertical migration and potential impact on the export of matter.

"Eine Reise zwischen Wissenschaft und Kunst"

The artist Anja Witt will be joining the 'Meteor' cruise in May 2015 through the tropical Atlatic. 
Find the press release and the link to the artist's block here. 

 

Joint SFB 754 / FB1 seminar

Monday, 18th May 2015, 11:00h - lecture hall, GEOMAR, westshore 
Liam Brannigan (M.Sc.), Department of Physics, University of Oxford: Intense nutrient upwelling in anti-cyclones caused by sub-mesoscale instabilities

Next SFB 754 young scientists seminar

Tuesday, 27th January, 16:15h - large conference room, GEOMAR, west shore
Manuela Köllner (A3): The Oxygen Supply Tracer Release Experiment - Diapycnal diffusivity and lateral spreading of the tracer
Alexandra Marki (B2): Low or high 'level' signal communication? Zooplankton stoichiometric plasticity in the Peruvian Upwelling 

Next SFB 754 young scientists seminar

Tuesday, 13th January, 16:15h - large conference room, GEOMAR, west shore
Alexandra Loginova (B9): Dynamics of FDOM and CDOM in ETNA under varient nutrient conditions during experimental mesocosm study
Sören Thomsen (B9): The formation of a low-oxygen mode water eddy within the Peru Chile Undercurrent and its impact on the near-coastal salinity and oxygen distribution

SFB 754 PhD defence
Henry Bittig: "Untersuchung der Nettoproduktion in den atlantischen Subtropenwirbeln mittels autonomer Floats" - Monday, 8th December 2014, 15.30h, large conference room, GEOMAR westshore

(note: defence will be in german)

SFB 754 colloquium
3rd December, 15.15h, large conference room, GEOMAR westshore

Dr. Wolfgang Koeve and Dr. Paul Kähler
Biogeochemische Modellierung, GEOMAR
A puzzle of oceanic oxygen utilization

Read more

SFB 754 PhD defence:
Anna Noffke (B5): "Phosphorus cycling in anoxic sediments from the Peruvian oxygen minimum zone and the Gotland Basin" - Friday, 21st November, 11:30h "Seminarraum" TLZ (GEOMAR, east shore)

 

SFB 754 colloquium
24th October, 10:00h, Seeburg conference room - westshore

Dr. Joachim Segschneider
Max-Planck-Insitut für Meteorologie Hamburg
Temperature-dependent remineralization in a warming ocean increases surface pCO2 through changes in marine ecosystem composition

Read more

SFB 754 colloquium
9th October, 08:30h, large conference room, GEOMAR westshore

Prof. Steve DiMarco
Department of Oceanography - Texas A&M University
Ocean Observing in a troubled Gulf: Hurricanes, Deadzones, and Oil spills in the Gulf of Mexico

Read more

SFB 754 colloquium
11th September, 10:15h, large conference room, GEOMAR westshore

Niels Peter Revsbech
Aarhus University, Denmark
Photosynthesis and respiration in pelagic low-oxygen environments

Read more

SFB 754 colloquium
11th September, 09:00h, lecture hall, GEOMAR westshore

Anna-Louise Reysenbach
Portland State University, USA
Emerging patterns of microbial diversity associated with deep-sea hydrothermal deposits

Read more

SFB 754 colloquium
9th September, 10:15h, lecture hall, GEOMAR westshore

Sam Jaccard
ETH Zurich, Switzerland
Deglacial weakening of the oceanic soft tissue pump: global constraints from nitrogen isotopes and oxygenation proxies

Read more

SFB 754 colloquium
7th September, 09:00h, lecture hall, GEOMAR westshore

Sophie Rabouille
Ocean Observatory Villefranch, France
On the life of a unicellular, diazotrophic cyanobacterium: from cultures to models

Read more

SFB 754 colloquium
5th September, 15:00h, lecture hall, GEOMAR westshore

Dr. Ping Chang
Texas A&M University
An Oceanic Teleconnection Mechanism Linking High-Latitude North Atlantic Abrupt Climate Changes to the Tropics

Read more

Deutsch-kapverdische Ferienschule des Sonderforschungsbereichs 754

Ferien und Schule, das funktioniert prima zusammen. Das konnten kapverdische und deutsche Jugendliche bei einer zweiwöchigen Sommerschule auf der Inselgruppe im Atlantik erfahren. Mehr lesen

Special SFB 754 colloquium
17th July, 09:00h, lecture hall, GEOMAR westshore

Jessica Gier (B6), Carolin Löscher (B4):
Diazotrophic diversity in sediments
Manuela Köllner (A3), Rainer Kiko / Helena Hauss (B8):
Tracer loss via sinking marine particles in the tropical North Atlantic OMZ
Alexandra Marki (B2), Ulrike Lomnitz (B5):
Modelling microbial community composition and controls on benthic-pelagic coupling of the phosphorus cycle in the Peruvian Oxygen Minimum Zone

Each presentation will be max. 30 min.

Read more

SFB 754 Newsletter March-June 2014 now available!
Read all about new SFB 754 publications of the last 3 months in the latest newsletter

 

AGU Fall Meeting 2014 - SFB 754 representation
San Francisco, USA 15-19 December 2014

Trace metals and isotopes in the Eastern Tropical South Pacific: Results of the 2013 US GEOTRACES Zonal Transect Conveners: Jim Moffett, Chris German and Martin Frank

Biogeochemical cycling of silicon in coastal transition zones
Claudia Ehlert, Patricia Grasse, Daniel J. Conley, Mark A. Brzezinski
More info

Sören Thomsen (SFB 754 PhD candidate - subproject B9) received the EGU Outstanding Student Poster Award 2014 for his poster presentation "The formation of an anticyclonic mode water eddy within the Peru-Chile Undercurrent".

Wednesday, 4th June, 11:00h - seminar room, Seeburg, westshore
Kathrin Meissner, University of New South Whales: Ocean Hiccups and Heinrich Events (Abstract)

SFB 754 newsletter January-March 2014 is available now!
Read all about new SFB 754 publications of the last 3 months.

Ocean Science Meeting 2014:
Strong SFB 754 participitation at the Ocean Science Meeting (Hawaii, 23.-28. Feb 2014).
List of SFB 754 participants, talks and poster presentations available: read more

SFB 754 newsletter October-December 2013 is available now!
Read all about new SFB 754 publications of the last 3 months.

joint SFB 754 / FB2 seminar:
Monday, 10th February 2014, 13:00h - lecture hall, GEOMAR, westshore
Frederike Korth (B4): Nitrogen cycling in coastal ecosystems: case studies from the Baltic Sea

Next SFB 754 young scientists seminar:

Tuesday, 4th February, 16:15h - large conference room, GEOMAR, west shore
Sven-Helge Didwischus (A4): Analyzing velocity observations in the equatorial deep Atlantic
Johannes Hahn (A4): Mean and variability patterns of oxygen in the tropical Atlantic

New SFB 754 job opening:
PhD student "Iron stabilisation and transfer in tropical oxygen minimum zones"
read more

Next SFB 754 colloquium:

Johannes Hahn / Tim Fischer: "Oxygen Supply to the Tropical North East Atlantic Oxygen Minimum Zone" - Wednesday, 8th January, 08:30h, large conference room, GEOMAR westshore

Next SFB 754 young scientists seminar:

Tuesday, 17th December, 16:15h - large conference room, GEOMAR, westshore
Jan-Dirk Matthießen (A4)Modeling equatorial deep jets

Next SFB 754 young scientists seminar:

Tuesday, 10th December, 16:15h - large conference room, GEOMAR, westshore
Manuela Köllner (A3) - Lateral diffusivity in the Oxzgen Minimum Zone of the tropical North East Atlantic Ocean from a Tracer Release Experiment
Levin Nickelsen (A2)   -  The impact of sedimentary iron release on surface iron limitation

New SFB 754 flyer is available now!
download here

Workshop - Simulating the development of OMZs during the Holocene

December 4th, 2013

Next SFB 754 young scientists seminar:

Tuesday, 26th November, 16:15h - large conference room, GEOMAR, westshore
Ulrike Lomnitzt (B5)
Jessica Gier: (B6)

New SFB754 publicaton:
Stramma, L., Bange, H. W., Czeschel, R., Lorenzo, A. and Frank, M.
On the role of mesoscale eddies for the biological productivity and biogeochemistry in the eastern trpocial Pacific off Peru. Biogeoschiences,10, 7293-7306, doi:10.5194/bg-10-7293-2013, 2013. 

Next SFB 754 young scientists seminar:

Tuesday, 19th November, 16:15h - large conference room, GEOMAR, westshore
Alexandra Marki (B2) - Optimality based modelling of the effect of nutrient stoichiometry on mesocosm food web succession
Judith Meyer (B2)   -  Phytoplankton and non-Redfield stoichiometries

Workshop - The influence of eddies on oxygen minimum zones

November 25th & 26st, 2013
Agenda is now available                    read more

Workshop for gender measures: "Gender as key qualifications"
Trainer: Deborah Ruggieri
November 20th & 21st, 2013       read more

Next SFB 754 young scientists seminar:

Tuesday, 12th November, 16:15h - large conference room, GEOMAR, westshore
Patrick Reichert (A8) - Radium Isotopes: Introduction to chemical seperation and purification of radium isotope
Lee Bryant (B6/A8)   -  The influence of hydrodynamics on nutrient fluxes across the bottom boundary layer

Next SFB754 colloquium

B2, B4, B8, B9 - first results of the joint mesocosm experiment 2013
Thursday, 21. Nov, 08:30h, large conference room, GEOMAR west shore

Available now:

Symposium Proceedings: Microbioal ecology and biogeochemistry of oxygen-deficient marine waters
Moore Foundation, Chile, March 2013

download here

 

IMPORTANT UPCOMING DATES:
19. December 2013 - SFB754 annual members assemblage
17. & 18. Feb 2014  - SFB754 annual retreat

more details will folllow.....

Conference information:

46th International Liege Colloquium on Ocean Dynamics
'Low oxygen environments in marine, estuarine and fresh waters'
Liege, Belgium, 5-9 May 2014

More information you find here: http://modb.oce.ulg.ac.be/colloquium/

Next SFB754 young scientists seminar:
Tuesday, 29th October, 16:15h - large conference room, GEOMAR westshore
Alexandra Loginova (B9): Dissolved Organic Matter Distribution in Peruvian Upwelling Area
Sören Thomsen (B9): Oceanic background conditions off Peru during the interdisciplinary M92 and M93 cruises

SFB 754 PhD defence:
Tebke Böschen (A6): "Temperature and Salinity Evolution in the Eastern Equatorial Pacific during Deglaciation and Holocen" - Tuesday, 22nd October, 10:00h "Seminarraum" TLZ (GEOMAR, east shore)

Next SFB 754 young scientists seminar:
Tuesday, 22nd October, 16:15h - large conference room, GEOMAR, westshore
Harald Schunck (B4): Hydrogen sulfide accumulation in oxygen minimum zones – an analysis of the inhabiting microbes
Cameron Callbeck (B4): Investigating the role of sulfide-oxidizing bacteria in the Peruvian upwelling

Two upcoming SFB 754 colloquia:

Shuang Gao, AWI Bremen: "Simulating the modern d30Si distribution in the oceans and in marine sediments" - Monday, 21th October, 15:15h, lecture room, GEOMAR westshore

Tal Dagan, CAU Kiel: "Trends and barriers to lateral gene transfer during microbial evolution" - Friday, 25th October, 08:30h, lecture room, GEOMAR westshore

We sadly would like to announce that Victoria "Vicky" Bertics has passed away. (read more)

Next SFB 754 young scientists seminar:
Tuesday, 8th October, 16:15h - large conference room, GEOMAR, westshore
Zeynep Erdem (B7): Sediments of the Peruvian Oxygen Minimum Zones as records of mid-depth ocean dynamics
Patricia Grasse (A5): Cycling of SI(OH)4 and NO3- in the Eastern Equatorial Pacific: Insights from Silicon and Nitrogen Isotopes

Assertiveness and Self-Defence Training for SFB 754 Female Scientists
every Thursday starting from 10th October 2013, 16:45-18:15 (12 weeks), large conference room (GEOMAR westshore)

Read more...

SFB 754 newsletter July-September 2013 is available now!
Read all about new SFB 754 publications of the last 3 months.

New SFB754 publicaton:
Wuttig, K., Heller, M. I. and Croot, P. L.
Reactivity of inorganic Mn and Mn Desferrioxamine B with O2, O2- and H2O2 in seawater. Environ. Sci. Technol., 2013, 47, (18), DOI: 10.1021/es4016603

New SFB754 publicaton:
Wuttig, K., Heller, M. I. and Croot, P. L.
Pathways of O2- decay in the Tropical Atlantic. Environ. Sci. Technol. 2013, 47, (18), DOI: 10.1021/es401658t

New SFB754 publicaton:
Grasse, P., Ehlert, C., Frank, M., 2013
The influence of water mass mixing on the dissolved Si isotope composition in the Eastern Equatorial Pacific. Earth and Planetary Science Letters, Vol. 380, 60-71, doi: 10.1016/j.epsl.2013.07.033

New SFB 754 publication:
J. Getzlaff and H. Dietze, 2013.
Effects of increased isopycnal diffusivity mimicking the unresolved equatorial intermediate current system in an earth system climate model. Geophysical Research Letters, Vol. 40, 2166-2170, doi:0.1002/grl.50419

Next SFB 754 young scientists seminar:
Tuesday, 6th August, 16:15h - large conference room, GEOMAR, westshore
Kristin Döring (A6): Holocene variations in silicon and nitrogen nutrient cycling offshore Peru
Konstantin Stolpovsky (B1/B5): A novel approach for determining the rate of organic carbon remineralization in bioturbated marine sediments at the global scale

joint SFB 754 / FB1 colloquium:
Monday, 12th August 2013, 11:00h - lecture hall, GEOMAR, westshore
Tobias Friedrich: Changes of ventilation of the past 4 glacial cycles

Note:
The abstract deadline for the AGU fall meeting in San Francisco (9.-13. Dec 2013) is Tuesday, 6th August 2013.
More information you can find here.

New SFB 754 job opening:
scientist (PhD/Postdoc) "Stable nitrogen isotopes"
read more

Note:
The abstract deadline for the Tropical Atlantic Climate Variability/PIRATA meeting is Friday, July 12.
More information you can find here.

New press release - SFB 754 outreach
"Von Meerjungfrauen und Sandbildern"
more info you find here

Next SFB 754 breakfast colloquium:
Adrian Burd: Modelling marine particles and biogeochemistry (Abstract)
Friday, July 12th, 08:30h - lecture hall, GEOMAR westshore

Following SFB 754 manuscrips has been published as a discussion paper:
Authors: I. Kriest and A. Oschlies
Title: Swept under the carpet: The effect of organic matter burial in global biogeochemical  ocean models
http://www.biogeosciences-discuss.net/10/10859/2013/

joint FB2 / SFB 754 Colloqium
Tobias Friedrich: Changes of ventilation of the past 4 glacial cylces.
Monday, 12th August, 2013 - lecture hall, GEOMAR, westshore

SFB 754 newsletter April-June 2013 is available now!
Read all about new SFB 754 publications of the last 3 months.

Latest  M97 cruise report is available now!
Read more....

Currently a summer school for Kieler pupils takes place at the GEOMAR from 24. June to 5. July 2013 organised by the SFB 754 outreach team.

SFB 754 launches new webpage
As from today, the SFB 754 has a new webpage!