Oslo joint seminar in atmospheric, ocean and climate science, Sept.23
Title: IPCC-AR6 Chap. 7: The Earth’s energy budget, climate feedbacks, and climate sensitivity
Speaker: Trude Storelvmo, University of Oslo
Speaker: Trude Storelvmo, Univ. of Oslo
This chapter assesses the present state of knowledge of Earth’s energy budget, that is, the main flows of energy into and out of the Earth system, and how these energy flows govern the climate response to a radiative forcing. Changes in atmospheric composition and land use, like those caused by anthropogenic greenhouse gas emissions and emissions of aerosols and their precursors, affect climate through perturbations to Earth’s top-of-atmosphere energy budget. The effective radiative forcings (ERFs) quantify these perturbations, including any consequent adjustment to the climate system (but excluding surface temperature response). How the climate system responds to a given forcing is determined by climate feedbacks associated with physical, biogeophysical and biogeochemical processes. These feedback processes are assessed, as are useful measures of global climate response, namely equilibrium climate sensitivity (ECS) and the transient climate response (TCR). This chapter also assesses emission metrics, which are used to quantify how the climate response due to the emission of different greenhouse gases compares to the response to the emission of carbon dioxide (CO2).
What is the Joint Oslo Seminar (JOS):
Atmospheric and climate sciences have a stronghold in Oslo among the four institutions University of Oslo, the Meteorological Institute, CICERO and NILU. This joint seminar invites renowned international experts to contribute to an informal series of lectures, meant to create interaction with the Oslo atmospheric and climate science community on recent highlights and analysis in the field. All seminars will be held on Thursdays (Noon -1pm).