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Daily maximum and minimum temperature trends in a climate model
Author(s) -
Stone Dáithí A.,
Weaver Andrew J.
Publication year - 2002
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/2001gl014556
Subject(s) - environmental science , forcing (mathematics) , climatology , greenhouse gas , atmospheric sciences , climate change , climate model , global warming , diurnal temperature variation , cloud cover , radiative forcing , range (aeronautics) , geology , cloud computing , oceanography , materials science , computer science , composite material , operating system
The recent observed global warming trend over land has been characterised by a faster warming at night, leading to a considerable decrease in the diurnal temperature range (DTR). Analysis of simulations of a climate model including observed increases in greenhouse gases and sulphate aerosols reveals a similar trend in the DTR of −0.2°C per century, albeit of smaller magnitude than the observed −0.8°C per century. This trend in the model simulations is related to changes in cloud cover and soil moisture. These results indicate that the observed decrease in the DTR could be a signal of anthropogenic forcing of recent climate change.
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