Has logging really stopped in Victoria? What the death of an endangered glider tells us
The joy of birdwatching: research shows it can improve mental health and foster a sense of wellbeing
Threatened species have declined 2% a year since 2000. Nature positive? Far from it.
Denser housing can be greener too – here’s how NZ can build better for biodiversity
Fri 07 Jun 13:00: Changing fast and slow: Hydrographic variability along the West Antarctic Peninsula Shelf during the recent sea ice extremes
Antarctic sea ice extent has been anomalously low since 2016, and reached extreme circumpolar minima in 2022/23. The causes of this change are the subject of lively scientific debate, including the relative roles of atmospheric and ocean processes in modulating sea ice evolution. The role of the ocean is particularly challenging to address due to the lack of sustained oceanographic data under the ice. Here, we examine the ocean’s response and potential role in the extreme sea ice minima using data collected by the Palmer Long-Term Ecological Research program and BAS along the West Antarctic Peninsula (WAP). This region has undergone dramatic change during many decades, including atmospheric and deep ocean warming, glacier retreat, and sea ice loss even prior to the most recent minima. Our observations show the extreme sea ice minimum followed after sustained wind anomalies that modulate ice advection, and occurred as the upper ocean stratification that typically prevents the ventilation of warm Circumpolar Deep Water to the surface broke down. We also show that this event reverted decades of upper-ocean change along the WAP .
- Speaker: Carlos Moffat, University of Delaware
- Friday 07 June 2024, 13:00-14:00
- Venue: BAS Seminar Room 330b.
- Series: British Antarctic Survey - Polar Oceans seminar series; organiser: Dr Birgit Rogalla.
Fri 07 Jun 13:00: Changing fast and slow: Hydrographic variability along the West Antarctic Peninsula Shelf during the recent sea ice extremes
Antarctic sea ice extent has been anomalously low since 2016, and reached extreme circumpolar minima in 2022/23. The causes of this change are the subject of lively scientific debate, including the relative roles of atmospheric and ocean processes in modulating sea ice evolution. The role of the ocean is particularly challenging to address due to the lack of sustained oceanographic data under the ice. Here, we examine the ocean’s response and potential role in the extreme sea ice minima using data collected by the Palmer Long-Term Ecological Research program and BAS along the West Antarctic Peninsula (WAP). This region has undergone dramatic change during many decades, including atmospheric and deep ocean warming, glacier retreat, and sea ice loss even prior to the most recent minima. Our observations show the extreme sea ice minimum followed after sustained wind anomalies that modulate ice advection, and occurred as the upper ocean stratification that typically prevents the ventilation of warm Circumpolar Deep Water to the surface broke down. We also show that this event reverted decades of upper-ocean change along the WAP .
- Speaker: Carlos Moffat, University of Delaware
- Friday 07 June 2024, 13:00-14:00
- Venue: BAS Seminar Room 330b.
- Series: British Antarctic Survey - Polar Oceans seminar series; organiser: Dr Birgit Rogalla.
Fri 07 Jun 13:00: Changing fast and slow: Hydrographic variability along the West Antarctic Peninsula Shelf during the recent sea ice extremes
Antarctic sea ice extent has been anomalously low since 2016, and reached extreme circumpolar minima in 2022/23. The causes of this change are the subject of lively scientific debate, including the relative roles of atmospheric and ocean processes in modulating sea ice evolution. The role of the ocean is particularly challenging to address due to the lack of sustained oceanographic data under the ice. Here, we examine the ocean’s response and potential role in the extreme sea ice minima using data collected by the Palmer Long-Term Ecological Research program and BAS along the West Antarctic Peninsula (WAP). This region has undergone dramatic change during many decades, including atmospheric and deep ocean warming, glacier retreat, and sea ice loss even prior to the most recent minima. Our observations show the extreme sea ice minimum followed after sustained wind anomalies that modulate ice advection, and occurred as the upper ocean stratification that typically prevents the ventilation of warm Circumpolar Deep Water to the surface broke down. We also show that this event reverted decades of upper-ocean change along the WAP .
- Speaker: Carlos Moffat, University of Delaware
- Friday 07 June 2024, 13:00-14:00
- Venue: BAS Seminar Room 330b.
- Series: British Antarctic Survey - Polar Oceans seminar series; organiser: Dr Birgit Rogalla.
It’s OK to mow in May − the best way to help pollinators is by adding native plants
Protecting wildlife begins with understanding how best to counter wildlife crimes
Ghana’s forests are being wiped out: what’s behind this and why attempts to stop it aren’t working
How do we reduce pesticide use while empowering farmers? A more nuanced approach could help
Wed 22 May 13:00: Modelling ocean connectivity and future change at the Antarctic margins
Many Antarctic margin processes are changing including accelerated rates of ice sheet mass loss and a slowdown in the production of dense bottom waters. Although these changes are localised around the Antarctic continent, they have the potential to remotely disrupt downstream processes of climatic importance via advective connections along the shelf. In the first part of this talk I will present some work from my PhD thesis that investigates ocean connectivity around the Antarctic margins from a modelling perspective. The results from this work suggest there is widespread zonal connectivity between adjacent regions of the shelf, and that such connectivity is important to consider when interpreting and linking observed changes with upstream drivers. In the second part of the talk I will present results from simulations that investigate future climate-driven changes to Antarctic margin processes under different emission scenarios, with and without future freshwater contributions. Such changes are poorly constrained because many climate models fail to adequately resolve key features of the Antarctic margin including the narrow westward flowing currents, and the formation of both dense and abyssal water masses. Results from these simulations suggest that even under a mid-range emissions scenario without additional meltwater forcing, substantial changes in Antarctic continental shelf circulation and hydrography are possible by the end of this century.
- Speaker: Hannah Dawson, University of Tasmania
- Wednesday 22 May 2024, 13:00-14:00
- Venue: BAS Seminar Room 1; https://bas-ac-uk.zoom.us/j/91268978510.
- Series: British Antarctic Survey - Polar Oceans seminar series; organiser: Dr Birgit Rogalla.
Wed 22 May 13:00: Modelling ocean connectivity and future change at the Antarctic margins
Many Antarctic margin processes are changing including accelerated rates of ice sheet mass loss and a slowdown in the production of dense bottom waters. Although these changes are localised around the Antarctic continent, they have the potential to remotely disrupt downstream processes of climatic importance via advective connections along the shelf. In the first part of this talk I will present some work from my PhD thesis that investigates ocean connectivity around the Antarctic margins from a modelling perspective. The results from this work suggest there is widespread zonal connectivity between adjacent regions of the shelf, and that such connectivity is important to consider when interpreting and linking observed changes with upstream drivers. In the second part of the talk I will present results from simulations that investigate future climate-driven changes to Antarctic margin processes under different emission scenarios, with and without future freshwater contributions. Such changes are poorly constrained because many climate models fail to adequately resolve key features of the Antarctic margin including the narrow westward flowing currents, and the formation of both dense and abyssal water masses. Results from these simulations suggest that even under a mid-range emissions scenario without additional meltwater forcing, substantial changes in Antarctic continental shelf circulation and hydrography are possible by the end of this century.
- Speaker: Hannah Dawson, University of Tasmania
- Wednesday 22 May 2024, 13:00-14:00
- Venue: BAS Seminar Room 1; https://bas-ac-uk.zoom.us/j/91268978510.
- Series: British Antarctic Survey - Polar Oceans seminar series; organiser: Dr Birgit Rogalla.
Wed 22 May 13:00: Modelling ocean connectivity and future change at the Antarctic margins
Many Antarctic margin processes are changing including accelerated rates of ice sheet mass loss and a slowdown in the production of dense bottom waters. Although these changes are localised around the Antarctic continent, they have the potential to remotely disrupt downstream processes of climatic importance via advective connections along the shelf. In the first part of this talk I will present some work from my PhD thesis that investigates ocean connectivity around the Antarctic margins from a modelling perspective. The results from this work suggest there is widespread zonal connectivity between adjacent regions of the shelf, and that such connectivity is important to consider when interpreting and linking observed changes with upstream drivers. In the second part of the talk I will present results from simulations that investigate future climate-driven changes to Antarctic margin processes under different emission scenarios, with and without future freshwater contributions. Such changes are poorly constrained because many climate models fail to adequately resolve key features of the Antarctic margin including the narrow westward flowing currents, and the formation of both dense and abyssal water masses. Results from these simulations suggest that even under a mid-range emissions scenario without additional meltwater forcing, substantial changes in Antarctic continental shelf circulation and hydrography are possible by the end of this century.
- Speaker: Hannah Dawson, University of Tasmania
- Wednesday 22 May 2024, 13:00-14:00
- Venue: BAS Seminar Room 1; https://bas-ac-uk.zoom.us/j/91268978510.
- Series: British Antarctic Survey - Polar Oceans seminar series; organiser: Dr Birgit Rogalla.
Wed 15 May 13:15: Seminar – Population nutrition: upstream/downstream
All are invited to the MRC Epidemiology Seminar:
Population nutrition: upstream/downstream
Professor Pablo Monsivais, Washington State University
This hybrid seminar will be held in Institute of Metabolic Science seminar rooms 1 & 2, Level 4, Wellcome-MRC Institute of Metabolic Science, Addenbrooke’s Hospital, Cambridge, CB2 0QQ , and online.
If attending online, please register at https://mrc-epid.zoom.us/meeting/register/tJIqf-moqD4iEtOSgtPiXJanoInqfmdkhdG2#/registration
About this talk In this presentation, Professor Monsivais will review two interdisciplinary projects aimed at identifying population-level determinants of diet and one project developing heart-healthy ready meals for use in research studies and interventions.
About Professor Monsivais After doctoral and post-doctoral training in neuroscience and physiology at the University of Washington and University College London, Professor Monsivais returned to the University of Washington to retrain in nutrition and public health in 2004.
Between 2007 and 2011, he conducted behavioral and epidemiologic research on food choices, diet and health at the UW’s Centre for Public Health Nutrition in the School of Public Health, first as a postdoctoral fellow in behavioral sciences and then as an acting assistant professor in the Department of Epidemiology. From 2011 to 2017 he was Senior University Lecturer at the University of Cambridge Centre for Diet and Activity Research where he led a research group focused social and behavioral epidemiology.
He is currently an Associate Professor at the Elson S. Floyd College of Medicine based at Washington State University.
- Speaker: Speaker to be confirmed
- Wednesday 15 May 2024, 13:15-14:15
- Venue: MRL meeting rooms 1 & 2, Level 4 Institute of Metabolic Sciences, Addenbrooke’s Treatment Centre (ATC) .
- Series: MRC Epidemiology and CEDAR Seminars; organiser: Paul Browne.
Wed 15 May 13:15: Seminar – Population nutrition: upstream/downstream
All are invited to the MRC Epidemiology Seminar:
Population nutrition: upstream/downstream
Professor Pablo Monsivais, Washington State University
This hybrid seminar will be held in Institute of Metabolic Science seminar rooms 1 & 2, Level 4, Wellcome-MRC Institute of Metabolic Science, Addenbrooke’s Hospital, Cambridge, CB2 0QQ , and online.
If attending online, please register at https://mrc-epid.zoom.us/meeting/register/tJIqf-moqD4iEtOSgtPiXJanoInqfmdkhdG2#/registration
About this talk In this presentation, Professor Monsivais will review two interdisciplinary projects aimed at identifying population-level determinants of diet and one project developing heart-healthy ready meals for use in research studies and interventions.
About Professor Monsivais After doctoral and post-doctoral training in neuroscience and physiology at the University of Washington and University College London, Professor Monsivais returned to the University of Washington to retrain in nutrition and public health in 2004.
Between 2007 and 2011, he conducted behavioral and epidemiologic research on food choices, diet and health at the UW’s Centre for Public Health Nutrition in the School of Public Health, first as a postdoctoral fellow in behavioral sciences and then as an acting assistant professor in the Department of Epidemiology. From 2011 to 2017 he was Senior University Lecturer at the University of Cambridge Centre for Diet and Activity Research where he led a research group focused social and behavioral epidemiology.
He is currently an Associate Professor at the Elson S. Floyd College of Medicine based at Washington State University.
- Speaker: Speaker to be confirmed
- Wednesday 15 May 2024, 13:15-14:15
- Venue: MRL meeting rooms 1 & 2, Level 4 Institute of Metabolic Sciences, Addenbrooke’s Treatment Centre (ATC) .
- Series: MRC Epidemiology and CEDAR Seminars; organiser: Paul Browne.
Wed 15 May 13:15: Seminar – Population nutrition: upstream/downstream
All are invited to the MRC Epidemiology Seminar:
Population nutrition: upstream/downstream
Professor Pablo Monsivais, Washington State University
This hybrid seminar will be held in Institute of Metabolic Science seminar rooms 1 & 2, Level 4, Wellcome-MRC Institute of Metabolic Science, Addenbrooke’s Hospital, Cambridge, CB2 0QQ , and online.
If attending online, please register at https://mrc-epid.zoom.us/meeting/register/tJIqf-moqD4iEtOSgtPiXJanoInqfmdkhdG2#/registration
About this talk In this presentation, Professor Monsivais will review two interdisciplinary projects aimed at identifying population-level determinants of diet and one project developing heart-healthy ready meals for use in research studies and interventions.
About Professor Monsivais After doctoral and post-doctoral training in neuroscience and physiology at the University of Washington and University College London, Professor Monsivais returned to the University of Washington to retrain in nutrition and public health in 2004.
Between 2007 and 2011, he conducted behavioral and epidemiologic research on food choices, diet and health at the UW’s Centre for Public Health Nutrition in the School of Public Health, first as a postdoctoral fellow in behavioral sciences and then as an acting assistant professor in the Department of Epidemiology. From 2011 to 2017 he was Senior University Lecturer at the University of Cambridge Centre for Diet and Activity Research where he led a research group focused social and behavioral epidemiology.
He is currently an Associate Professor at the Elson S. Floyd College of Medicine based at Washington State University.
- Speaker: Speaker to be confirmed
- Wednesday 15 May 2024, 13:15-14:15
- Venue: MRL meeting rooms 1 & 2, Level 4 Institute of Metabolic Sciences, Addenbrooke’s Treatment Centre (ATC) .
- Series: MRC Epidemiology and CEDAR Seminars; organiser: Paul Browne.
Fri 17 May 14:00: PhD students' talks
14:00 – Welcome
14:05 – Emily Cook: Tensor viscosity models for complex fluids
14:20 – John Severn: Sarcomeres as porous media
14:35 – Shi-Wei Jian: The dynamics of low-latitude sub-surface oceanic jets
14:50 – Anand Srinivasan: Universality in random tessellations as exhibited by developing green algae
15:05 – Balázs Németh: Langevin Dynamics of Inclusions on Curved Surfaces
15:20 – Coffee break
15:50 – Marco Vona: Surface Scattering and Hydrodynamic Instabilities of Swimming Microorganisms: Two Stories
16:05 – Jago Strong-Wright: Tracer mixing and transport by flow through a giant kelp forest
16:20 – Xiao Ma: Hyperuniformity at Absorbing State Transitions
16:35 – Theo Lewy: The polymer diffusive instability in highly concentrated polymeric fluids
16:50 – Closing remarks
- Speaker: Speakers listed in abstract
- Friday 17 May 2024, 14:00-17:00
- Venue: MR2.
- Series: Fluid Mechanics (DAMTP); organiser: Professor Grae Worster.
Wed 15 May 14:00: Changing fast and slow: Hydrographic variability along the West Antarctic Peninsula Shelf during the recent sea ice extremes
Antarctic sea ice extent has been anomalously low since 2016, and reached extreme circumpolar minima in 2022/23. The causes of this change are the subject of lively scientific debate, including the relative roles of atmospheric and ocean processes in modulating sea ice evolution. The role of the ocean is particularly challenging to address due to the lack of sustained oceanographic data under the ice. Here, we examine the ocean’s response and potential role in the extreme sea ice minima using data collected by the Palmer Long-Term Ecological Research program and BAS along the West Antarctic Peninsula (WAP). This region has undergone dramatic change during many decades, including atmospheric and deep ocean warming, glacier retreat, and sea ice loss even prior to the most recent minima. Our observations show the extreme sea ice minimum followed after sustained wind anomalies that modulate ice advection, and occurred as the upper ocean stratification that typically prevents the ventilation of warm Circumpolar Deep Water to the surface broke down. We also show that this event reverted decades of upper-ocean change along the WAP .
- Speaker: Carlos Moffat, University of Delaware
- Wednesday 15 May 2024, 14:00-15:00
- Venue: BAS Seminar Room 1; https://bas-ac-uk.zoom.us/j/91447634407.
- Series: British Antarctic Survey - Polar Oceans seminar series; organiser: Dr Birgit Rogalla.
Wed 15 May 14:00: Changing fast and slow: Hydrographic variability along the West Antarctic Peninsula Shelf during the recent sea ice extremes
Antarctic sea ice extent has been anomalously low since 2016, and reached extreme circumpolar minima in 2022/23. The causes of this change are the subject of lively scientific debate, including the relative roles of atmospheric and ocean processes in modulating sea ice evolution. The role of the ocean is particularly challenging to address due to the lack of sustained oceanographic data under the ice. Here, we examine the ocean’s response and potential role in the extreme sea ice minima using data collected by the Palmer Long-Term Ecological Research program and BAS along the West Antarctic Peninsula (WAP). This region has undergone dramatic change during many decades, including atmospheric and deep ocean warming, glacier retreat, and sea ice loss even prior to the most recent minima. Our observations show the extreme sea ice minimum followed after sustained wind anomalies that modulate ice advection, and occurred as the upper ocean stratification that typically prevents the ventilation of warm Circumpolar Deep Water to the surface broke down. We also show that this event reverted decades of upper-ocean change along the WAP .
- Speaker: Carlos Moffat, University of Delaware
- Wednesday 15 May 2024, 14:00-15:00
- Venue: BAS Seminar Room 1; https://bas-ac-uk.zoom.us/j/91447634407.
- Series: British Antarctic Survey - Polar Oceans seminar series; organiser: Dr Birgit Rogalla.
