News - Climate Engineering - Kiel Earth Institute

11.03.2021

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Visioni, Daniele; et al. (2021): Identifying the sources of uncertainty in climate model simulations of solar radiation modification with the G6sulfur and G6solar Geoengineering Model Intercomparison Project (GeoMIP) simulations

Visioni, Daniele; MacMartin, Douglas G.; Kravitz, Ben; Boucher, Olivier; Jones, Andy; Lurton, Thibaut et al. (2021): Identifying the sources of uncertainty in climate model simulations of solar radiation modification with the G6sulfur and G6solar Geoengineering Model Intercomparison Project (GeoMIP) simulations. Preprint. In Atmos. Chem. Phys. DOI: 10.5194/acp-2021-133.

"We present here results from the Geoengineering Model Intercomparison Project (GeoMIP) simulations for the experiment G6sulfur and G6solar for six Earth System Models participating in the Climate Model Intercomparison Project (CMIP) Phase 6. The aim of the experiments is to reduce the warming from that resulting from a high-tier emission scenario (Shared Socioeconomic Pathways SSP5-8.5) to that resulting from a medium-tier emission scenario (SSP2-4.5)."

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09.02.2021

# Calls & events

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Job: PostDoc "Biogeochemical Earth System Modeling"

Deadline: 05. March 2021

"This position is part of the Helmholtz Young Investigator group Marine Carbon and Ecosystem Feedbacks in the Earth System (MarESys) led by Dr. Judith Hauck. MarESys aims to assess integrated effects of climate change and variability in the ocean with a focus on ocean carbon feedbacks and marine ecosystem drivers."

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08.02.2021

# New Publications

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Gettelman, A.; et al. (2021): Climate Impacts of COVID‐19 Induced Emission Changes

Gettelman, A.; Lamboll, R.; Bardeen, C. G.; Forster, P. M.; Watson‐Parris, D. (2021): Climate Impacts of COVID‐19 Induced Emission Changes. In Geophysical Research Letters 48 (3), e2020GL091805. DOI: 10.1029/2020GL091805.

"We use estimates of emission changes for 2020 in two Earth System Models (ESMs) to simulate the impacts of the COVID‐19 economic changes."

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26.01.2021

# New Publications

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Drake, Henri F.; et al. (2020): A Multi-control Climate Policy Process for a Designated Decision Maker

Drake, Henri F.; Rivest, Ronald L.; Edelman, Alan; Deutch, John (2020): A Multi-control Climate Policy Process for a Designated Decision Maker. Massachusetts Institute of Technology. Cambridge, MA (MIT CEEPR Working Paper Series).

"We present an idealized model of optimally-controlled climate change, which is complementary to simpler analytical models and more comprehensive Integrated Assessment Models. We show that the four methods of controlling climate damage– mitigation, carbon dioxide removal, adaptation, and solar radiation modification– are not interchangeable, as they enter at different stages of the causal chain that connects GHG emissions to climate damages."

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16.11.2020

# New Publications

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Randers, Jorgen; Goluke, Ulrich (2020): An earth system model shows self-sustained melting of permafrost even if all man-made GHG emissions stop in 2020

Randers, Jorgen; Goluke, Ulrich (2020): An earth system model shows self-sustained melting of permafrost even if all man-made GHG emissions stop in 2020. In Sci Rep 10 (1), pp. 1–9. DOI: 10.1038/s41598-020-75481-z.

"In this paper we report that in the ESCIMO climate model the world is already past a point-of-no-return for global warming. In ESCIMO we observe self-sustained melting of the permafrost for hundreds of years, even if global society stops all emissions of man-made GHGs immediately. We encourage other model builders to explore our discovery in their (bigger) models, and report on their findings."

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15.10.2020

# New Publications

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Manley, Kyle; et al. (2020): Modeling the Dynamic Landscape Evolution of a Volcanic Coastal Environment Under Future Climate Trajectories

Manley, Kyle; Salles, T.; Müller, R. D. (2020): Modeling the Dynamic Landscape Evolution of a Volcanic Coastal Environment Under Future Climate Trajectories. In Front. Earth Sci. 8, p. 437. DOI: 10.3389/feart.2020.550312.

"Olivine weathering is a natural process that sequesters carbon out of the atmosphere, but is now being proposed as a strategy that can be artificially implemented to assist in the mitigation of anthropogenic carbon emissions. We use the landscape evolution model Badlands to identify a region (Tweed Caldera catchment in Eastern Australia) that has the potential for naturally enhanced supply of mafic sediments, known to be a carbon sink, into coastal environments."

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12.10.2020

# New Publications

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Pye, S.; et al. (2020): Modelling net-zero emissions energy systems requires a change in approach

Pye, S.; Broad, O.; Bataille, C.; Brockway, P.; Daly, H. E.; Freeman, R. et al. (2020): Modelling net-zero emissions energy systems requires a change in approach. In Climate Policy, pp. 1–10. DOI: 10.1080/14693062.2020.1824891.

"Energy modelling can assist national decision makers in determining strategies that achieve net-zero greenhouse gas (GHG) emissions. However, three key challenges for the modelling community are emerging under this radical climate target that needs to be recognized and addressed."

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18.09.2020

# Calls & events

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Call for Submissions: Special Issue "Resolving uncertainties in solar geoengineering through multi-model and large-ensemble simulations" (ACP/ESD inter-journal SI)

Deadline: 31. July 2022

"To capture the interrelated research amongst these projects, the special issue is set up jointly between Atmospheric Chemistry and Physicsand Earth System Dynamics. In ACP, we invite papers that emphasize process-level understanding and stratospheric dynamics; in ESD, submissions on Earth system effects, feedbacks, and impacts (like agriculture or ecosystem responses) are invited."

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09.09.2020

# Political Papers

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Morrow, David (2020): Integrated Assessment Modeling of Carbon Removal at ICRLP

Morrow, David (2020): Integrated Assessment Modeling of Carbon Removal at ICRLP. Institute for Carbon Removal Law and Policy, September 2020.

"The Institute for Carbon Removal Law and Policy is helping to push the boundaries of integrated assessment modeling of carbon removal with two ongoing projects."

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07.09.2020

# New Publications

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Kravitz, Ben; et al. (2020): Comparing different generations of idealized solar geoengineering simulations in the Geoengineering Model Intercomparison Project (GeoMIP)

Kravitz, Ben; MacMartin, Douglas G.; Visioni, Daniele; Boucher, Olivier; Cole, Jason N. S.; Haywood, Jim et al. (2020): Comparing different generations of idealized solar geoengineering simulations in the Geoengineering Model Intercomparison Project (GeoMIP). In Atmospheric Chemistry and Physics (under review). DOI: 10.5194/acp-2020-732.

"Two generations of models in the Geoengineering Model Intercomparison Project (GeoMIP) have now simulated offsetting a quadrupling of the CO₂ concentration with solar reduction. This simulation is artificial and designed to elicit large responses in the models. Here we show that energetics, temperature, and hydrological cycle changes in this experiment are statistically indistinguishable between the two ensembles."

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Visioni, Daniele; et al. (2021): Identifying the sources of uncertainty in climate model simulations of solar radiation modification with the G6sulfur and G6solar Geoengineering Model Intercomparison Project (GeoMIP) simulations

Job: PostDoc "Biogeochemical Earth System Modeling"

Deadline: 05. March 2021

Gettelman, A.; et al. (2021): Climate Impacts of COVID‐19 Induced Emission Changes

Drake, Henri F.; et al. (2020): A Multi-control Climate Policy Process for a Designated Decision Maker

Randers, Jorgen; Goluke, Ulrich (2020): An earth system model shows self-sustained melting of permafrost even if all man-made GHG emissions stop in 2020

Manley, Kyle; et al. (2020): Modeling the Dynamic Landscape Evolution of a Volcanic Coastal Environment Under Future Climate Trajectories

Pye, S.; et al. (2020): Modelling net-zero emissions energy systems requires a change in approach

Call for Submissions: Special Issue "Resolving uncertainties in solar geoengineering through multi-model and large-ensemble simulations" (ACP/ESD inter-journal SI)

Deadline: 31. July 2022

Morrow, David (2020): Integrated Assessment Modeling of Carbon Removal at ICRLP

Kravitz, Ben; et al. (2020): Comparing different generations of idealized solar geoengineering simulations in the Geoengineering Model Intercomparison Project (GeoMIP)

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