Project
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Keywords (10)
Ocean deoxygenation; Extreme events; Marine ecosystems; Marine organisms; Global warming; Ocean observations; Climate change; High-resolution modeling; Earth System modeling; Ocean acidification
Lay Summary (German)
Lead
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Als Folge des globalen Klimawandels wird die Häufigkeit, Intensität und Dauer von Extremereignissen über dem Land stark zunehmen. Zurzeit wissen wir aber nicht, wie sich Extremereignisse im Ozean zukünftig verändern werden und was die Auswirkungen von solchen Extremereignissen auf einzelne Arten oder ganze Ökosysteme und deren sozioökonomischen Dienste sind. Dies ist besorgniserregend, da marine Ökosysteme nicht nur einen wichtigen Beitrag zur Klimaregulierung leisten, sondern auch etwa die Hälfte zur jährlichen global produzierten Biomasse beisteuern und lebenswichtige Proteine für mehr als eine Milliarde Menschen liefern.
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Lay summary
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Unser übergeordnetes Ziel ist es erstmals quantitative Aussagen über die Häufigkeit, Stärke und räumliche Verteilung von vergangenen und zukünftigen Extremereignisse im Ozean zu machen und die Risiken solcher Extremereignisse für marine Ökosysteme abzuschätzen. Dabei werden wir uns auf Hitzewellen, Ozeanversauerung und Sauerstoffverlust fokussieren – dies sind drei Stressfaktoren welche die marinen Lebewesen und Ökosysteme nachweisbar unter Druck setzen. Im Detail werden wir (i) vergangene Änderungen in marinen Hitzewellen und Extremereignisse in der Ozeanversauerung anhand von Satelliten und in-situ Beobachtungen quantifizieren, (ii) die Prozesse die zu Änderungen in Extremereignissen führen mit einem neuen hochaufgelösten Klimamodell untersuchen, und (iii) die regionalen Auswirkungen von Extremereignissen für einzelne Fischarten und ganze Ökosysteme mit einer Risikoanalyse bestimmen. Das Projekt wird neue und wichtige Informationen über die Änderungen und die dazugehörigen Prozesse von Extremereignissen im Ozean generieren und erstmals deren Risiko für die marinen Ökosysteme abschätzen. Ein besseres Verständnis ist zentral um die Auswirkungen des Klimawandels auf den Ozean zu verstehen und um passende Massnahmen zum Schutz der Weltmeere zu planen.
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Responsible applicant and co-applicants
Employees
Collaboration
Imperial College |
Great Britain and Northern Ireland (Europe) |
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- in-depth/constructive exchanges on approaches, methods or results - Publication |
Climate and Environmental Physics Institute, University of Bern |
Switzerland (Europe) |
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- in-depth/constructive exchanges on approaches, methods or results - Publication - Research Infrastructure |
Environmental Physics Group, ETHZ |
Switzerland (Europe) |
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- in-depth/constructive exchanges on approaches, methods or results - Publication |
Geophysical Fluid Dynamics Laboratory, Princeton |
United States of America (North America) |
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- in-depth/constructive exchanges on approaches, methods or results - Publication |
Climate Physics Group, Institute for Atmospheric and Climate Science, ETHZ |
Switzerland (Europe) |
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- in-depth/constructive exchanges on approaches, methods or results |
AOS Program, Princeton University |
United States of America (North America) |
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- in-depth/constructive exchanges on approaches, methods or results - Publication |
Institute for the Oceans and Fisheries, University of British Columbia |
Canada (North America) |
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- in-depth/constructive exchanges on approaches, methods or results - Publication - Exchange of personnel |
Scientific events
Active participation
Title |
Type of contribution |
Title of article or contribution |
Date |
Place |
Persons involved |
ROSES / ORCHESTRA Annual Meeting
|
Talk given at a conference
|
Constraining the Southern Ocean anthropogenic carbon sink
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07.07.2021
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London, Great Britain and Northern Ireland
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Frölicher Thomas;
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AOS Program Seminar
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Individual talk
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Emergent constraints on the Southern Ocean anthropogenic carbon uptake
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21.05.2021
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Princeton, United States of America
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Frölicher Thomas;
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EGU 2021
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Talk given at a conference
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Emergent constraints on the Southern Ocean anthropogenic carbon uptake
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20.05.2021
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Wien, Austria
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Frölicher Thomas;
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Oceanography Seminar, SOEST
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Individual talk
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From marine heatwaves to ocean biogeochemical extremes
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14.04.2021
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Honolulu, United States of America
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Frölicher Thomas;
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Plenary Meeting Oeschger Centre for Climate Change Research
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Talk given at a conference
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Ocean extremes: From marine heatwaves to compound events
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17.02.2021
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Bern, Switzerland
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Frölicher Thomas;
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Seminar Ocean and Fisheries, UBC Vancouver
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Individual talk
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Ocean extremes: From marine heatwaves to compound events
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07.10.2020
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Vancouver, Canada
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Frölicher Thomas;
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Ocean Sciences Meeting
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Talk given at a conference
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Marine heatwaves in a warming climate
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25.02.2020
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San Diego, United States of America
|
Frölicher Thomas;
|
COP21 - Ministry Segment
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Talk given at a conference
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Special Report on the Ocean and Cryosphere in a Changing Climate
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02.12.2019
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Neapel, Italy
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Frölicher Thomas;
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Hauptaussagen des IPCC SROCC
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Talk given at a conference
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Die Ozean im IPCC SROCC
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16.10.2019
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Innsbruck, Austria
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Frölicher Thomas;
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Workshop on Estimating the impact of climate change on Living Marine Resources
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Talk given at a conference
|
Uncertainty in projections of marine ecosystem drivers and fisheries catch
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08.10.2019
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Bergen, Norway
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Frölicher Thomas;
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Nereus open science conference
|
Talk given at a conference
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Extreme climatic events in the ocean
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03.09.2019
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Princeton, United States of America
|
Frölicher Thomas;
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Imber open science conference
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Talk given at a conference
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Variability changes alter ocean acidity extremes
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19.06.2019
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Brest, France
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Burger Friedrich;
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Imber open science conference 2019
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Talk given at a conference
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Attribution of recent marine heatwaves to anthropogenic climate change
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19.06.2019
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Brest, France
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Laufkötter Charlotte;
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Climate and Environmental Physics PhD Day 2019
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Talk given at a conference
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Variabiltiy changes alter ocean acidity extremes
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13.06.2019
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Bern, Switzerland
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Burger Friedrich;
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Climate and Environmental Physics PhD Day 2019
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Talk given at a conference
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Modelling marine heatwaves using high resolution Earth system models
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13.06.2019
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Bern, Switzerland
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Aschwanden Mathias;
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Seminar, Department of Zoology, University of Basel
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Individual talk
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Marine heatwaves under global warming
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06.05.2019
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Basel, Switzerland
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Frölicher Thomas;
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Seminar, Department of Zoology, University of Basel
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Individual talk
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Ocean extreme events and their impacts on marine ecosystems
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02.05.2019
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Basel, Switzerland
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Frölicher Thomas;
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EGU 2019
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Talk given at a conference
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Potential predictability of marine ecosystem drivers
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11.04.2019
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Wien, Austria
|
Frölicher Thomas;
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EGU 2019
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Talk given at a conference
|
Variability changes alter ocean acidity extremes
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11.04.2019
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Wien, Austria
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Burger Friedrich;
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EGU 2019
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Talk given at a conference
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Marine heatwaves under global warming: Key processes, detection and attribution, and projections
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08.04.2019
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Wien, Austria
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Frölicher Thomas;
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Physik am Freitag
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Individual talk
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Warm, sauer, wenig Sauerstoff - Der Ozean unter Stress
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22.03.2019
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Bern, Switzerland
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Frölicher Thomas;
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CMIP6 workshop
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Poster
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Asessing the robustness of marine heatwave projections
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21.03.2019
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Barcelona, Spain
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Frölicher Thomas;
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Swiss Global Change Day 2019
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Poster
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Ocean acidity extremes altered by variability changes
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07.02.2019
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Bern, Switzerland
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Burger Friedrich;
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Seminar, Institute for the Oceans and Fisheries
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Individual talk
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Marine heatwaves under global warming
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11.01.2019
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Vancouver, Canada
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Frölicher Thomas;
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American Meteorological Society Annual Meeting
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Talk given at a conference
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Marine heatwaves under global warming
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10.01.2019
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Phoenix, United States of America
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Frölicher Thomas;
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Swiss Society for Meteorology
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Talk given at a conference
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Marine heatwaves under global warming
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23.11.2018
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Bern, Switzerland
|
Frölicher Thomas;
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OneNOAA Science Seminars, Webinar
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Individual talk
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Marine heatwaves under global warming
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15.11.2018
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Bern, Switzerland
|
Frölicher Thomas;
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Ocean deoxygenation conference
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Talk given at a conference
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Robust millennial-scale recovery of deep ocean ventilation and oxygen with global warming?
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03.09.2018
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Kiel, Germany
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Frölicher Thomas;
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Swiss Climate Summer School
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Poster
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Changing carbon weather altering extreme event characteristics
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27.08.2018
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Grindelwald, Switzerland
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Burger Friedrich;
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Swiss Climate Summer School
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Poster
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Marine heatwaves in the satellite era
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27.08.2018
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Grindelwald, Switzerland
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Striegel Sandra;
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Seminar
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Individual talk
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Marine heatwaves under global warming
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27.06.2018
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Liverpool, Great Britain and Northern Ireland
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Frölicher Thomas;
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Nereus Annual Meeting
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Talk given at a conference
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Marine heatwaves under global warming
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25.06.2018
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Seattle, United States of America
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Frölicher Thomas;
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AOS Seminar
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Individual talk
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Marine heatwaves under global warming
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15.06.2018
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Princeton, United States of America
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Frölicher Thomas;
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Climate and Environmental Physics PhD Day 2018
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Talk given at a conference
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Assessing 21st century ocean acidification extreme events
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07.06.2018
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Bern, Switzerland
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Burger Friedrich;
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Climate and Environmental Physics PhD Day 2018
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Talk given at a conference
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Marine heatwaves in the satellite era
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07.06.2018
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Bern, Switzerland
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Striegel Sandra;
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Seminar Geography Institute
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Individual talk
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Marine heatwaves under global warming
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23.05.2018
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Bern, Switzerland
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Frölicher Thomas;
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Swiss Global Change Day
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Poster
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Assessing 21st century ocean acidification extreme events under three different carbon emission pathways
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19.04.2018
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Bern, Switzerland
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Burger Friedrich;
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Swiss Global Change Day
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Poster
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Attribution of marine heatwaves
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19.04.2018
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Bern, Switzerland
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Laufkötter Charlotte;
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Swiss Global Change Day
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Poster
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Marine heatwaves in the satellite era
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19.04.2018
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Bern, Switzerland
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Striegel Sandra;
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Seminar Climate and Environmental Physics
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Individual talk
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Ocean extremes in a warming world: Discovering risks for marine ecosystems (OceanX)
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13.11.2017
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Bern, Switzerland
|
Frölicher Thomas;
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OCCR Plenary Meeting
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Individual talk
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Ocean extremes in a warming world: Discovering risks for marine ecosystems (OceanX)
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12.09.2017
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Bern, Switzerland
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Frölicher Thomas;
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ICDC10
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Talk given at a conference
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More intense, more frequent and longer lasting marine heatwaves and ocean acidification extreme events under global warming
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24.08.2017
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Interlaken, Switzerland
|
Frölicher Thomas;
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Self-organised
Carbon feedbacks in the climate system
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25.04.2018
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University of Bern, Bern, Switzerland
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Communication with the public
Communication |
Title |
Media |
Place |
Year |
Talks/events/exhibitions
|
Sozialdiakoniekonferenz Bern
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German-speaking Switzerland
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2021
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Media relations: radio, television
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World Ocean Assessment II
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SRF WOAII
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German-speaking Switzerland
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2021
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Talks/events/exhibitions
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Herausforderung Klimawandel, Klimastreik Köniz
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German-speaking Switzerland
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2020
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Talks/events/exhibitions
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Ökumenische Erwachsenenbildung Zofingen
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German-speaking Switzerland
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2020
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Media relations: print media, online media
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Bedrohte Riffe: Klimawandel verursacht Korallensterben
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Göttinger Tageblatt
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International
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2019
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Media relations: print media, online media
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Das passiert durch die Erwärmung der Ozeane
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quarks.de
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International
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2019
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Talks/events/exhibitions
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Herausforderung Klimawandel, Business lunch, Kiwanis club, Solothurn
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German-speaking Switzerland
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2019
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Talks/events/exhibitions
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Herausforderung Klimawandel, CVP Annual meeting, Schließfach
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German-speaking Switzerland
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2019
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Media relations: print media, online media
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Hitze töten Korallen superschnell
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welt.de
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International German-speaking Switzerland
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2019
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Media relations: print media, online media
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Höher, schneller, wärmer
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BMEL: Bundesministerium für Ernährung und Landwirtschaft
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International
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2019
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Media relations: print media, online media
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Les scientifiques s'inquiètent d'un ralentissement des courants dans l'Atlantique Nord
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Atlantico.fr
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International
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2019
|
Talks/events/exhibitions
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Sustainability and city development
|
|
German-speaking Switzerland
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2019
|
Talks/events/exhibitions
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Swiss Engineering Society, Baden
|
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German-speaking Switzerland
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2019
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Media relations: print media, online media
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Climate change is driving ocean oxygen declines
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Oceana
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International
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2018
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Media relations: print media, online media
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Deep coral reefs are not the safe haven scientists hoped
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Axios
|
International
|
2018
|
Talks/events/exhibitions
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Der Ozean unter Stress, Berufsbildungszentrum Olten
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German-speaking Switzerland
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2018
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Media relations: print media, online media
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Interview Frölicher
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D'Region
|
German-speaking Switzerland
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2018
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Media relations: print media, online media
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Ocean's soaking up more heat than estimated
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BBC
|
International
|
2018
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Media relations: print media, online media
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Why is the Gulf of Maine warming faster than 99% of the ocean
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EOS
|
International
|
2018
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Awards
Contributing author, Chapter 9. Second World Ocean Assessment 2021
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2021
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Listed on Reuters Hot list of the 1000 world's top climate scientists
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2021
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Theodor Kocher Prize, University of Bern
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2019
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Young Academics Support Grant
|
2018
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Lead author, Chapter six, Special Report on the Ocean and Cryosphere in a Changing Climate (SROCC), Intergovernmental Panel On Climate Change
|
2017
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Associated projects
Number |
Title |
Start |
Funding scheme |
198897
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Ocean extremes in a warmer world: Discovering risks for marine ecosystems (OceanX) - Phase 2 |
01.08.2021 |
SNSF Professorships |
Abstract
Extreme climate and weather events shape the structure of biological systems and affect the biogeochemical functions and services they provide for society in a fundamental manner. There is overwhelming evidence that the frequency, duration, intensity, and timing of extreme events on land are changing under global warming, increasing the risk of severe, pervasive and in some cases irreversible impacts on natural and socio-economic systems. In contrast, we know very little how extreme events in the ocean, especially those associated with warming, acidification, deoxygenation and nutrient stress will unfold in time and space, as this requires dense observations and high-resolution ocean models. In addition, our understanding of the role of ocean extreme events for marine organisms and ecosystem services is very poor. This knowledge gap is of particular concern as the ocean provides food security and livelihoods for about 15% of the world population.I will move knowledge boundaries by discovering and attributing past and future changes in ocean extremes, and by assessing and mapping the risk of these ocean extreme events for marine organisms and ecosystems. I will quantify historical changes in marine heat waves and ocean acidification extreme events by synthesizing and analyzing novel satellite-based and in-situ physical and biogeochemical ocean observations. Model-derived relationships among physical and biogeochemical variables will be used to underpin the extreme event assessment of the sparse oxygen and net primary production observations. A new high-resolution global Earth System Model version will be applied to quantify and understand the drivers of past and future changes in ocean extreme events and to attribute specific ocean extreme events to human-caused climate change and natural variability. The integration of available and newly developed marine ecosystem exposure and vulnerability indices into the high-resolution modeling framework allows me to quantify regional risk levels of marine organisms and ecosystems to key ocean extreme events. This project aims at a major breakthrough in our understanding of the fundamental processes governing ocean extreme events and whether organisms and ecosystems might be pushed to the limits of their resilience and even beyond, potentially causing dramatic and irreversible changes.
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