Understanding rapid adjustments to diverse forcing agents

File Description SizeFormat 
Smith_et_al-2018-Geophysical_Research_Letters.pdfPublished version450.73 kBAdobe PDFView/Open
Title: Understanding rapid adjustments to diverse forcing agents
Authors: Smith, CJ
Kramer, RJ
Myhre, G
Forster, PM
Soden, BJ
Andrews, T
Boucher, O
Faluvegi, G
Fläschner, D
Hodnebrog
Kasoar, M
Kharin, V
Kirkevåg, A
Lamarque, JF
Mülmenstädt, J
Olivié, D
Richardson, T
Samset, BH
Shindell, D
Stier, P
Takemura, T
Voulgarakis, A
Watson-Parris, D
Item Type: Journal Article
Abstract: Rapid adjustments are responses to forcing agents that cause a perturbation to the top of atmosphere energy budget but are uncoupled to changes in surface warming. Different mechanisms are responsible for these adjustments for a variety of climate drivers. These remain to be quantified in detail. It is shown that rapid adjustments reduce the effective radiative forcing (ERF) of black carbon by half of the instantaneous forcing, but for CO2 forcing, rapid adjustments increase ERF. Competing tropospheric adjustments for CO2 forcing are individually significant but sum to zero, such that the ERF equals the stratospherically adjusted radiative forcing, but this is not true for other forcing agents. Additional experiments of increase in the solar constant and increase in CH4 are used to show that a key factor of the rapid adjustment for an individual climate driver is changes in temperature in the upper troposphere and lower stratosphere.
Issue Date: 16-Nov-2018
Date of Acceptance: 15-Oct-2018
URI: http://hdl.handle.net/10044/1/64696
DOI: https://dx.doi.org/10.1029/2018GL079826
ISSN: 0094-8276
Start Page: 12023
End Page: 12031
Journal / Book Title: Geophysical Research Letters
Volume: 45
Issue: 21
Copyright Statement: ©2018 The Authors. This is an open access article under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Keywords: Science & Technology
Physical Sciences
Geosciences, Multidisciplinary
Geology
RADIATIVE KERNEL TECHNIQUE
CLIMATE FEEDBACKS
GREENHOUSE GASES
BLACK CARBON
CLOUD
ATMOSPHERE
CONFIGURATION
AEROSOLS
PDRMIP
ECMWF
MD Multidisciplinary
Meteorology & Atmospheric Sciences
Publication Status: Published
Open Access location: https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2018GL079826
Online Publication Date: 2018-11-08
Appears in Collections:Space and Atmospheric Physics
Physics
Centre for Environmental Policy
Faculty of Natural Sciences



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

Creative Commonsx