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Falling Sea Level caused Volcanos to Overflow

A Team of international researches found new connections between the solid earth and the climate system

Throughout the last 800,000 years, Antarctic temperatures and atmospheric carbon dioxide concentrations showed a similar evolution. However, this was different during the transition to the last ice age: approximately 80,000 years ago, temperature declined, while the carbon dioxide content of the atmosphere remained relatively stable. An international research team led by the GEOMAR Helmholtz Centre for Ocean Research Kiel and the Alfred-Wegener-Institute Helmholtz Centre for Polar and Marine Research has now discovered that a falling sea level may have caused enhanced volcanic activity in the ocean, which can explain the anomaly. The results are published today in the journal Nature Communications.

download the paper at Nat. Communications here

credit: GEOMAR / J. Hasenclever

International Open Science Conference

PalMod will organize an International Open Science Conference in Vienna 2018 (7.+8.4.2018), back to back to the EGU meeting. More information are available here. Details for registration, abstract submission etc will follow.

Upcoming international events

4ICESM in Hamburg
28.9.-1.9.2017

1^st PMIP4 Conference, Stockholm
25.9.-29.9.2017

PalMod International Open Science Conference, Vienna
7.-8.4.2018

Upcoming PalMod internal meetings

WG1: 22.-24.11.2017

WG2: 11.+12.9.2017

WG3: 20.+21.11.2017

WG4: 7.+8.9.2017
(registration deadline 31.7.2017)

Job announcements

There are no open positions. In case of job opportunities, the open positions are listed here.

PalMod - Paleo Modelling

PalMod is funded by the Federal Ministry of Education and Science (BMBF) to understand climate system dynamics and variability during the last glacial cycle.

Recent Publications out of PalMod

Abrupt North Atlantic circulation changes in response to gradual CO2 forcing in a glacial climate state

Citation: Xu Zhang, Gregor Knorr, Gerrit Lohmann and Stephen Barker: Abrupt North Atlantic circulation changes in response to gradual CO₂ forcing in a glacial climate state, Nat. Geo., 10, 518-523, doi:10.1038/ngeo2974, 2017

A Three-Dimensional Model of the Marine Nitrogen Cycle during the Last Glacial Maximum Constrained by Sedimentary Isotopes

Citation: Somes CJ, Schmittner A, Muglia J and Oschlies A (2017) A Three-Dimensional Model of the Marine Nitrogen Cycle during the Last Glacial Maximum Constrained by Sedimentary Isotopes. Front. Mar. Sci. 4:108. doi: 10.3389/fmars.2017.00108

A 156 kyr smoothed history of the atmospheric greenhouse gases CO₂, CH₄, and N₂O and their radiative forcing

Citation: Köhler, P., Nehrbass-Ahles, C., Schmitt, J., Stocker, T. F., and Fischer, H.: A 156 kyr smoothed history of the atmospheric greenhouse gases CO₂, CH₄, and N₂O and their radiative forcing, Earth Syst. Sci. Data, 9, 363-387, https://doi.org/10.5194/essd-9-363-2017 , 2017.

All PalMod publications are listed here.