met-jobs@lists.reading.ac.uk
January 2012
Message 16

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[Met-jobs] PhD projects available at the University of Edinburgh (UK)

From "Roger Brugge" <r.brugge@reading.ac.uk>
To "met-jobs@lists.rdg.ac.uk" <met-jobs@lists.reading.ac.uk>
Date Mon, 9 Jan 2012 16:20:04 +0000

Forwarded from CLIMLISt...

PhD projects are available in GeoSciences, University of Edinburgh.


<http://www.ed.ac.uk/schools-departments/geosciences/postgraduate/phd/programmes-supervisors/physical-sciences/phd-projects?NotHG=1&cw_xml=index.html>

I would like to draw your attention to two projects in particular:

1. Project: Causes of regional climate variability over the last
millennium Supervisors: Prof Gabriele Hegerl and Dr. Rob Wilson
(Edinburgh/St. Andrews) Email: <gabi.hegerl@ed.ac.uk>;
<rjsw@st-andrews.ac.uk>

Reconstructions of climate for the last millennium indicate substantial
regional climate variability and change. For example, climate
reconstructions in North America over the last millennium shows
periods of severe drought. Such 'megadrought' events would have a severe
societal impact if they happened again, and it is unclear if current
climate change could trigger such severe droughts in the
future. Temperature reconstructions of past climate variability are
available for parts of North America and Eurasia, and indicate
substantial variability in the past. Coral-based reconstructions of
tropical climate are also available, as well as regional high latitude
treering records, e.g. Fennoscandia. This project will focus both on
simulated and reconstructed/observed records of climate variability in
North America and the tropics, with the goal of identifying causes and
contributors to megadroughts and past temperature variations, including
external influences such as volcanic eruptions, and internal climate
variability such as El Nino and its decadal relatives, or the North
Atlantic Oscillation.

2. Influence of regional processes and forcings on changing temperature
extremes Supervisors: Dr Gabi Hegerl; Dr. David Stevenson
Email: <gabi.hegerl@ed.ac.uk>, <David.S.Stevenson@ed.ac.uk>

The probability of climate extremes is changing in a changing climate,
and many impacts of climate change are linked not to changes in mean
climate, but to changes in climate extremes and climate variability.
There are strong indications that changes in the intensity and frequency
of temperature extremes occur with anthropogenic warming, but the
changes simulated by climate models are not everywhere in agreement with
those observed. Some regions of disagreement,and the different levels of
change observed in daytime maximum and daytime minimum temperatures
point towards influences from regional scale changes in atmospheric
composition, particularly aerosol forcing, and from regional scale
changes in land use. Regional temperature distributions also highlight
the importance of soil moisture and snow and ice cover to the daily
temperature distribution. Scientific understanding of the role of these
more regional processes and of aerosol forcing on temperature extremes
is presently limited. The goal of this research is to assess how
aerosols, land use change and changes in the local hydrological cycle
and in snow cover may have impacted regional changes in the probability
of climate extremes over the 20th century, and to determine if these
regional factors may contribute to model-data mismatches over the 20th
century. The ultimate goal of this research is to produce better
predictions of future changes in extremes and their impacts.

The projects are open for UK, EU and Intl applicants, but funding is
only available for UK citizens or residents (see webpage details) based
on interviews.

Application deadline February 1, 2012

--
The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.



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