Author: zcadmin

Talk: The Antarctic ice sheets and the influence of the ocean

Speaker: Craig Stewart

1-2pm Wednesday 6th November

The Buckingham Room, Magdalene College CB3 0AG (entrance across the road from the Porters’ Lodge)

Talk: The classical view of Antarctic glacial history and contradicting signals of biotic long-term persistence in Antarctica

Speaker: Elise Biersma

1-2pm Wednesday 30rd October

The Buckingham Room, Magdalene College CB3 0AG (entrance across the road from the Porters’ Lodge)

Talk: Plants & soil microbes respond to recent warming on the Antarctic Peninsula

Speaker: Jessica Royles

Department of Plant Sciences

1-2pm Wednesday 30rd October

The Buckingham Room, Magdalene College CB3 0AG (entrance across the road from the Porters’ Lodge)

For more details: http://www.plantsci.cam.ac.uk/news/2013-09-12

Talk: Arctic Oil and Gas and Environmental Risk Pre-Assessment: Why Legal and Regulatory Regimes Matter

Speaker: Roman Sidortsov

Scott Polar Research Institute

Wednesday 23^rd October

1-2pm

The Buckingham Room, Magdalene College CB3 0AG (entrance across the road from the Porters’ Lodge)

FORTHCOMING CONFERENCE
Geology for Global Development National Conference at Geological Society of London on the 23rd October 2013.

Friday 11 Oct:  British Antarctic Survey – Polar Oceans seminar series – 11:00-12:00

Venue: British Antarctic Survey, conference room.

Speaker: David M. Holland (New York University).

Title:  Tropical Atlantic Ocean Impacts on Antarctic Peninsula Area Climate.

If you have a question about this talk, please contact Dr Dan Jones.

If external to BAS, please email the organiser in advance to gain access to the building.

Abstract: Antarctic climate in winter is known to be influenced, among other factors, by changes in radiative forcing and remote Pacific climate variability, but none explains the observed sea ice trend or Peninsula warming. Looking to the Tropical Atlantic, a leading mode of Sea Surface Temperature (SST) variability, the Atlantic Multi-decadal Oscillation (AMO), has been overlooked. We show that AMO related SST anomalies, particularly in the Tropical Atlantic, induce a positive phase response in the Southern Annular Mode, strengthen the Amundsen Sea Low, project onto the observed dipole-like sea-ice distribution between the Ross and Amundsen Seas, and contribute to Antarctic Peninsula warming. Support for these findings comes from analysis of observational and reanalysis data, and independently from atmospheric model simulations forced by specified SSTs. This study suggests that the Tropical/North Atlantic is important for projections of future climate variability of Antarctica, and has possible implications for the global thermohaline circulation and sea-level change.

Thursday 10 Oct:  Cambridge Centre for Climate Science- 14:00-18:00

Venue: McGrath Centre, St Catharine’s College, Cambridge.

Speaker: Prof Gabi Hegerl, Prof Ted Shepherd, Prof Mat Collins, Prof David Vaughan.

Title:  IPCC Fifth Assessment Report: what have we learned, and where do we go next?

If you have a question about this talk, please contact Dr Amanda Maycock.

To mark the release of the IPCC WG1 Fifth Assessment Report, we have invited some of the UK’s leading climate science experts to talk about the key new findings from the report and discuss where the field might be headed next.

Registration details to follow soon

Draft schedule:

• 2:00 – 2:10 Opening remarks
• 2:10 – 2:55 Prof Gabi Hegerl (Edinburgh)
• 2:55 – 3:40 Prof Ted Shepherd (Reading)
• 3:40 – 4:10 Break
• 4:10 – 4:55 Prof Mat Collins (Exeter)
• 4:55 – 5:40 Prof David Vaughan (BAS)
• 5:40 Discussion
• 6:00 Close

Tuesday 08 Oct:  British Antarctic Survey – 15:00-16:00

Venue: British Antarctic Survey, Room 187.

Speaker: Pippa Whitehouse, University of Durham.

Title:  Opening the black box: Glacial Isostatic Adjustment (GIA) modelling in Antarctica.

If you have a question about this talk, please contact Rosie Williams.

If you are coming from outside BAS please let the organiser know in advance to gain access to the building

Abstract: Glacial Isostatic Adjustment (GIA) modelling – the study of how the earth system responds to surface load changes during a glacial cycle – can seem a little bit like a black box. In this talk I will open up that box, and describe the underlying physical processes that we are trying to model, some unexpected feedbacks between these processes, and discuss the data that we use to constrain and tune GIA models in Antarctica. There is growing recognition that, in order to tease out the signal of present-day ice mass change from gravity and altimetry observations, we need to carefully account for the residual GIA signal that is associated with past ice mass changes. I will discuss cutting edge approaches to quantifying this signal and outline a few outstanding issues, most of which will need to be tackled via an inter-disciplinary approach.

Tuesday 08 Oct:  Centre for Atmospheric Science seminars, Chemistry Dept. – 14:00-15:00

Venue: Unilever Lecture Theatre, Department of Chemistry.

Speaker: Wen Chen and Huizhi Liu (Chinese Academy of Science).

Title: Changes in the Extratropical and Tropical Impacts on the East Asian Winter Monsoon/Carbon dioxide flux measurement of the magacity of Beijing with eddy covariance method.

If you have a question about this talk, please contact Dr Amanda Maycock.

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