Model output for aerosol-induced cooling after the Chicxulub impact

Cite as:

Brugger, Julia; Feulner, Georg; Petri, Stefan (2021): Model output for aerosol-induced cooling after the Chicxulub impact. GFZ Data Services. https://doi.org/10.5880/PIK.2021.002

Status

I N R E V I E W : Brugger, Julia; Feulner, Georg; Petri, Stefan (2021): Model output for aerosol-induced cooling after the Chicxulub impact. GFZ Data Services. https://doi.org/10.5880/PIK.2021.002

Abstract

The simulations of the end‐Cretaceous climate and the effects of the impact are carried out with a coupled climate model consisting of a modified version of the ocean general circulation model MOM3, a dynamic/thermodynamic sea ice model, and a fast statistical‐dynamical atmosphere model. Our impact simulations are based on a climate simulation of the end‐Cretaceous climate state using a Maastrichtian (70 Ma) continental configuration. The solar constant is scaled to 1354 W/m2, based on the present‐day solar constant of 1361 W/m2 and a standard solar model. A baseline simulation with 500 ppm of atmospheric CO2 and a sensitivity experiment at 1000 ppm CO2 concentration. The impact is assumed to release 100 Gt sulfur and 1400 Gt CO2. We simulate stratospheric residence times of 2.1 y, 4.3 y and 10.6 y. More information about the model can be found in the manuscript (https://doi.org/10.1002/2016GL072241).

Methods

The data is model output from the coupled ocean-atmosphere model CLIMBER3alpha which models climate globally on a 3.75°x3.75° (ocean) and 22.5° (longitude) x 7.5° (latitude) (atmosphere) grid.

Authors

Brugger, Julia;Earth System Analysis, Potsdam Institute for Climate Impact Research, Potsdam, Germany;Institut für Physik und Astronomie, Universität Potsdam, Potsdam;Berlin‐Brandenburg Institute of Advanced Biodiversity Research, Berlin, Germany
Feulner, Georg;Earth System Analysis, Potsdam Institute for Climate Impact Research, Potsdam, Germany
Petri, Stefan;Earth System Analysis, Potsdam Institute for Climate Impact Research, Potsdam, Germany

Contact

Feulner, Georg; Earth System Analysis, Potsdam Institute for Climate Impact Research, Potsdam, Germany;

Keywords

Aerosols and particles, Abrupt/rapid climate change, Paleoecology, Impact phenomena, Cretaceous, K-Pg boundary, climate model simulations, Chicxulub impact

GCMD Science Keywords

More Metadata

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      - affiliation: Earth System Analysis, Potsdam Institute for Climate Impact Research, Potsdam, Germany
      - affiliation: Institut für Physik und Astronomie, Universität Potsdam, Potsdam
      - affiliation: Berlin‐Brandenburg Institute of Advanced Biodiversity Research, Berlin, Germany
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      - givenName: Stefan
      - familyName: Petri
      - nameIdentifier (nameIdentifierScheme=ORCID): 0000-0002-4379-4643
      - affiliation: Earth System Analysis, Potsdam Institute for Climate Impact Research, Potsdam, Germany
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  - publisher: GFZ Data Services
  - publicationYear: 2021
  - subjects
    - subject: Aerosols and particles
    - subject: Abrupt/rapid climate change
    - subject: Paleoecology
    - subject: Impact phenomena
    - subject: Cretaceous
    - subject: K-Pg boundary
    - subject: climate model simulations
    - subject: Chicxulub impact
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https://dx.doi.org/10.1002/2016gl072241

Related Work

Cites

Cited by

https://dx.doi.org/10.5880/PIK.2020.008