Focus
Ocean Acidification
"We are talking about a deadly trio"
Ocean acidification – The evil twin of climate warming
Facts on Ocean Acidification
"Ocean acidification is the evil little brother of global warming"
Success story of a resistance fighter
Tracing ocean acidification
A view inside – A fish in NMR
Swimming in acidic water
Sea ice
The most productive algae in the Arctic
Sea-ice photo galleries
In the Arctic Sea Ice's Kindergarten
Remote Sensing
Life in and underneath sea ice
Infograph sea ice research
Permafrost
The signs of change
Permafrost - An introduction
TanDEM-X satellite image - Changes in permafrost landscapes
The Atlantis of the Arctic
Research at the furthest reaches of civilization
A symbolic tree in the Russian Arctic
The Direct Line to the Arctic Permafrost
Marine Litter
Litterbase
Using Expertise to Combat Marine Litter
litter in the ocean depths
Tracking down microplastic
“The Litter is a Whole New Dimension”
10 Questions, 10 Answers
Marine Litter-Infographic
North Sea
Seegrass in the Wadden Sea
Taking a stroll through the underwater woods
Infographic Invasive Species
Food source and treasure trove
Arctic Ocean
Oceanographic measurements at the 79°North Glacier
Tiny algae, hugely resilient
Polar Predictions
Six questions we always wanted to ask a climate modeler
Interview
Ice Sheets
Infographics Filchner Ronne Ice Shelf
Hot-Water Drilling
E-mails from the Filchner Ice Shelf
New Ice Radar
Ice really is a hot commodity
Greenland's Ice Conveyor Belt
MOSAiC Expedition
Welcome back Polarstern
Interview Wunderlich
Interview with Markus Rex
The Expedition in Numbers
Factsheet Sustainabilty
MOSAiC Countdown
Infographic Polarstern
UN Decade of Ocean Science
Expedition
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Polarstern
Polarstern II
Heincke
Uthörn
Research Cutter Uthörn (2022)
Mya II
More Ships
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Neumayer Station III
AWIPEV Arctic Research Base
Kohnen Station
Marine Stations Helgoland and Sylt
Aircraft
Polar 5 + 6
Laboratories
Ice Core Laboratories
Proxy Laboratory
NMR laboratory
C-14 lab
Observatories
Ocean: FRAM
Water: COSYNA
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Centre for Scientific Diving
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Focus
Ocean Acidification
Sea ice
Permafrost
Marine Litter
North Sea
Arctic Ocean
Polar Predictions
Ice Sheets
MOSAiC Expedition
UN Decade of Ocean Science
Expedition
Ships
Polarstern
Polarstern II
Heincke
Uthörn
Research Cutter Uthörn (2022)
Mya II
More Ships
Stations
Neumayer Station III
AWIPEV Arctic Research Base
Kohnen Station
Marine Stations Helgoland and Sylt
Aircraft
Polar 5 + 6
Laboratories
Ice Core Laboratories
Proxy Laboratory
NMR laboratory
C-14 lab
Observatories
Ocean: FRAM
Water: COSYNA
Air: Meteorology
On land: Geophysics
Centre for Scientific Diving
Info for expeditions
Information Systems
Cruise Planning
Work + Study
AWI as an employer
Reasons to join AWI
Career and prospects
Work-life balance
Equal Opportunities
International Staff and Guests
Information on employment
Postdocs
Young Investigator Groups
Career and prospects
Research support
PROCEED Postdoc Office
Out of university
As PhD student
Graduate School POLMAR
For graduate theses
As trainee
As student assistant
As scholar
Apprentice
Vocational training professions
Career and Perspectives
Awards
How to apply
Out of school
as Trainee
Future Day
as Volunteer
as HIGHSEA Scholar
as Teacher
Jobs
Job Offer
How to apply
About Us
Organisation
Profile
Organisation chart
Management
Staff Units
Communications and Media Relations
Contact persons at AWI
Purchasing
National and international offices
Cooperations
Friends of the AWI
Sustainability
Alfred Wegener
Sites
Bremerhaven
Potsdam
Helgoland
Sylt
Oldenburg
Logistics
Schedules
Proposals
Information for Expedition Participants
Freight handling
Service
Contact
Events
Media centre
Press
Expert database
Research Support
Computing Centre
Construction and Facility Management
Library
Archive for German Polar Research
Publications
Scientific publications
Scientific Data
Brochures and Reports
Infographics
Reports on Polar and Marine Research
Transfer
Technology transfer
Arctic Office
Climate Office
North Sea Office
IPCC Office
EU-PolarNet
Earth System Knowledge Platform
REKLIM
Science
Biosciences
Bentho-Pelagic Processes
Functional Ecology
Integrative Ecophysiology
Marine Biogeosciences
Coastal Ecology
Shelf Sea System Ecology
Ecological Chemistry
Polar Biological Oceanography
Deep-Sea Ecology and Technology
Geosciences
Geophysics
Glaciology
Permafrost Research
Polar Terrestrial Environmental Systems
Marine Geochemistry
Marine Geology
Climate Sciences
Climate Dynamics
Paleoclimate Dynamics
Atmospheric Physics
Physical Oceanography
Sea Ice Physics
Junior Groups
ARJEL
FluxWIN
MarESys
The effect of deformation mechanisms for ice sheet dynamics
PALICE
SiDe-EFFECT
SSIP
SPACE
PermaRisk
CLOC
Special Groups
Scientific Computing
Scientific Diving
Bionic Lightweight Design
Aquaculture
REKLIM
Climate Office
North Sea Office
ESKP English version
Research infrastructure
Research Program
Long Term Observations
Data + Products
Technology Transfer
Awards and honours
Good Scientific Practice
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// Jens Grützner
Dr. Jens Grützner
Research Scientist
