66 research outputs found
Theorien der Chemie
In der folgenden Reihe von Vorlesungen werde ich Ehre haben, Ihnen einen Ueberblick über die Entwicklung der Theorie in der Chemie zu geben.Material perteneciente a la Biblioteca del Departamento de Física de la Universidad Nacional de La Plata digitalizado en SEDICI.Biblioteca del Departamento de Físic
Theorien der Chemie
In der folgenden Reihe von Vorlesungen werde ich Ehre haben, Ihnen einen Ueberblick über die Entwicklung der Theorie in der Chemie zu geben.Material perteneciente a la Biblioteca del Departamento de Física de la Universidad Nacional de La Plata digitalizado en SEDICI.Biblioteca del Departamento de Físic
Using the past to constrain the future: how the palaeorecord can improve estimates of global warming
Climate sensitivity is defined as the change in global mean equilibrium
temperature after a doubling of atmospheric CO2 concentration and provides a
simple measure of global warming. An early estimate of climate sensitivity,
1.5-4.5{\deg}C, has changed little subsequently, including the latest
assessment by the Intergovernmental Panel on Climate Change.
The persistence of such large uncertainties in this simple measure casts
doubt on our understanding of the mechanisms of climate change and our ability
to predict the response of the climate system to future perturbations. This has
motivated continued attempts to constrain the range with climate data, alone or
in conjunction with models. The majority of studies use data from the
instrumental period (post-1850) but recent work has made use of information
about the large climate changes experienced in the geological past.
In this review, we first outline approaches that estimate climate sensitivity
using instrumental climate observations and then summarise attempts to use the
record of climate change on geological timescales. We examine the limitations
of these studies and suggest ways in which the power of the palaeoclimate
record could be better used to reduce uncertainties in our predictions of
climate sensitivity.Comment: The final, definitive version of this paper has been published in
Progress in Physical Geography, 31(5), 2007 by SAGE Publications Ltd, All
rights reserved. \c{opyright} 2007 Edwards, Crucifix and Harriso
Beyond equilibrium climate sensitivity
ISSN:1752-0908ISSN:1752-089
- …