ACSIS 2020 Agenda

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ACSIS SUMMER SCIENCE MEETING 2020

Hosted Virtually on Zoom 21-22 September

 

 

Monday 21 September

09.30-09.35

Welcome by the Chair of the Organizing Committee Dr Bablu Sinha (NOC)

09.35-09.40

Address by NOC Director Prof. Ed Hill OBE

09.40-10.00

ACSIS progress and ACSIS future

ACSIS Director Prof. Rowan Sutton (NCAS)

 

Session 1: Atmosphere and Climate Chair: Nick Dunstone (Met Office)

10.00-10.25

Keynote: North Atlantic climate far more predictable than models imply

Doug Smith (Met Office)

10.25-10.35

Seasonal predictability of the Winter North Atlantic Oscillation from a Jet Stream perspective

Antje Weisheimer (Oxford)

10.35-10.45

Role of the North Atlantic Oscillation in instrumental era climate change

Gaby Hegerl (Edinburgh)

10.45-10.50

Session 1 Questions

10.50-11.05

Break

 

Session 2: Atmospheric Composition Chair: Maria Russo (NCAS)

11.05-11.30

Keynote: Progress from ACRUISE – Atmospheric Composition and Radiative forcing changes due to UN International Ship Emissions regulations

Ming-Xi Yang (PML)

11.30-11.40

Shortwave flux trends in the UKESM1 historical ensemble are

too strong with implications for climate sensitivity

Daniel Grosvenor (NCAS)

11.40-11.50

How well can we predict dimethylsulfide emissions into the North Atlantic atmosphere?

Tom Bell (PML)

11.50-11.55

Session 2 Quesions

11.55-12.10

break

 

Session 3: Cryosphere Chair: Isobel Lawrence (CPOM)

12.10-12.35

Keynote: Observed winter Arctic sea ice volume budget decomposition over the Cryosat-2 period

Michel Tsamados (UCL)

12.35-12.45

Arctic sea ice variability, trend and interaction with the North Atlantic in forced NEMO-CICE simulations over the last 60 years

David Schroeder (CPOM)

12.45-12.55

IceNet: Pan-Arctic sea ice map prediction using deep learning

Tom Andersson (BAS)

12.55-13.05

Arctic-Atlantic connections for sea ice, ocean and biogeochemistry in the UK Earth System Model (UK ESM1)

Yevgeny Aksenov (NOC)

13.05-13.15

Session 3 Quesions

13.15-14.15

lunch/group photo

 

Session 4: Ocean Chair: Jon Robson

14.15-14.40

Keynote: The meridional overturning circulation in the North Atlantic:new results and new questions

Susan Lozier (Georgia Institute of Technology)

14.40-14.50

Pending recovery in the strength of the meridional overturning circulation at 26°N

Ben Moat (NOC)

1450-15.00

Response of Atlantic heat and freshwater transports in future climate scenarios

Jenny Mecking (NOC)

15.00-15.05

Session 4 Quesions

15.05-15.20

break

 

Poster Session I Chair: Scott Osprey (NCAS)

15.20-15.25

1.Internal Mechanism of Atlantic Multidecadal Variability in HadGEM3-GC3.1 - Michael Lai (NCAS)

15.25-15.30

2.Role of aerosol forcing for Atlantic climate variability – Andrea Dittus (NCAS)

15.30-15.35

3.The Relationship between stratospheric flow regimes and

multi-decadal variation in tropospheric circulation – Hua Lu (BAS)

15.35-15.40

4.North Atlantic subpolar gyre evolves in two distinct phases

under global warming – Rohit Ghosh (Reading)

15.40-15.45

5.Decadal variability in the impact of atmospheric circulation

patterns on the winter climate of northern Russia – Gareth Marshall (BAS)

15.45-15.50

6.The 2015 North Atlantic cold anomaly was largely caused by

surface forcing, not by internal variability – Dan Jones (BAS)

15.50-15.55

7.Decadal Prediction of subpolar North Atlantic ocean heat content – Bablu Sinha (NOC)

 

 

 

 

Tuesday 22 September

 

Session 5: Atmosphere and Climate Chair Hua Lu (BAS)

10.00-10.10

Atmospheric angular momentum, length of day and long range predictions

Adam Scaife (Met Office)

10.10-10.20

The linear sensitivity of the NAO and Atlantic Jet Stream to SSTs

Tim Woolings (Oxford)

10.20-10.30

Future evolution of an eddy rich ocean leads to enhanced east

Atlantic storminess in a coupled model projection

Jeremy Grist (NOC)

10.30-10.40

Observed and simulated (CMIP5/CMIP6) winter evolution of North Atlantic atmosphere-ocean linkages

Tom Bracegirdle (BAS)

10.40-10.50

Session 5: Questions

10.50-11.05

Break

 

Session 6: Ocean Chair: Jenny Mecking (NOC)

11.05-11.15

Ocean precursors to the extreme Atlantic 2017 hurricane season

Sam Hallam (NOC)

11.15-11.25

The penetration of Labrador Slope Sea Water to Cape Hatteras and its role in Gulf Stream dynamics

Adrian New (NOC)

11.25-11.35

Aerosol-forced AMOC changes in CMIP6 historical simulations

Jon Robson (NCAS)

11.35-11.45

Warm European summers initiated by freshwater in the North Atlantic

Marilena Oltmans (NOC)

11.45-11.55

Does the AMOC vary with solar and volcanic forcing?

Leon Hermanson (Met Office)

11.55-12.05

Session 6 Questions

12.05-12.20

Break

 

Session 7: Atmospheric Composition Chair:Ming-Xi Yang (PML)

12.20-1230

Trends in solar radiation and cloud over the North Atlantic

sector in the last four decades: drivers and physical processes

Buwen Dong (NCAS)

12.30-12.40

Characterizing the particle composition and cloud condensation nuclei from shipping emission in Western Europe

Chenji Yu (Manchester)

12.40-12.50

Reactions with seawater – a sink of atmosphere ozone and a source of isoprene

Daniel Phillips (PML)

12.50-13.00

Aircraft observations of a novel marine sulphur species over the North Atlantic using a HR-ToF-CIMS

Emily Matthews (Manchester)

13.00-13.10

Session 7 Questions

13.10-14.00

Lunch/ Virtual tour of RRS James Cook

 

Poster Session II Chair: Bablu Sinha (NOC)

14.00-14.05

8.Mechanisms for recent decadal AMOC variability – Alex Megann (NOC)

14.05-14.10

9.Can satellites replace mooring arrays? Satellite altimetry transport estimates of the Atlantic overturning meridional circulation - Alejandra Sanchez-Franks (NOC)

14.10-14.15

10.CryoSat-2 significant wave height and dynamic ocean – Harold Heorton (UCL)

14.15-14.20

11.Recent trends in summer atmospheric circulation in North Atlantic/European region: is there a role for anthropogenic aerosols?

Buwen Dong (NCAS)

14.20-14.25

12.Seasonal, interannual and decadal variability of North Atlantic ozone: Comparison of UM-UKCA and remote sensing observations.

Maria Russo (NCAS)

14.25-14.30

Storylines for North Atlantic Climate Change – Rowan Sutton (NCAS)

14.30-14.45

break

14.45-15.30

Breakout groups to discuss the question:

“What are the opportunities for progress and collaboration in the next two years?”

Break Out Room 1 Atmosphere/Climate A Chair: Rowan Sutton; Rapporteur: Jon Robson

Break Out Room 2 Atmosphere/Climate B Chair: Tom Bracegirdle; Rapporteur: Scott Osprey

Break Out Room 3 Ocean ice A Chair: Danny Feltham; Rapporteur: Alex Megann

Breakout Room 4 Ocean Ice B Chair: Adrian New; Rapporteur Marilena Oltmans

Break Out Room 5 Composition Chair: John Pyle; Rapporteur: Alex Archibald

15.30-15.45

Break

15.45-16.15

Breakout reports, final discussions and end of meeting

Chair: Bablu Sinha (NOC)

 

 

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