Previous Talks

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Image description: Laura Larocca, an assistant professor at Arizona State University, on a field expedition in southern Greenland, with an iceberg offshore in the Labrador Sea.

Laura Larocca

USA

December 2, 2025

YouTube

Tracing Climate Change Through Alaskan Glaciers: From the Little Ice Age to a Warming Arctic

Glaciers are sensitive indicators of climate change. In this talk, I’ll explore how Alaskan glaciers record coupled changes in temperature, precipitation, and atmospheric circulation from the Little Ice Age (LIA, ~1250–1900) to today’s warming Arctic climate. Using remote sensing and GIS analyses, we find that glacier equilibrium-line altitudes (the boundary between accumulation and melt) have risen by at least ~170 m since the LIA, with the largest shifts occurring in southeastern Alaska. Glacier morphology and topographic setting explain about one-third of this variation, reflecting differing sensitivities to regional climate forcing and elevation-dependent warming. These patterns indicate that the LIA was generally cooler and drier, and that regional precipitation changes are consistent with a weaker, westward-shifted Aleutian Low that has since strengthened and migrated eastward.



May 2025 – December 2025


Laura Larocca ,
December 2, 2025

Margot D. Nelson ,
November 25, 2025

Gustavo A. Ballen ,
November 18, 2025

Viplove Rajurkar ,
November 11, 2025

Xianyi Liu ,
October 28, 2025

Peter Bishop ,
October 21, 2025

David Kröck ,
October 14, 2025

Niklas Bücker ,
October 7, 2025


Charlotte Hipkiss
,
September 30, 2025

Lazaro W. Vinola-Lopez
,
September 23, 2025

Peter Neff ,
September 16, 2025

Jeet Majumder ,
September 9, 2025

Bethany Allen ,
September 2, 2025

Juliet Sefton ,
August 27, 2025

Franziska Blattmann,
August 12, 2025

Luz Maria Mejia Ramirez ,
August 5, 2025

Jenny Rashall ,
July 29, 2025

Anniversary Panel ,
July 22, 2025

Iban Goñi ,
July 15, 2025

Science Communication Panel ,
July 1, 2025

Zekun Wang,
UK,
June 17, 2025

Sonja Wahl ,
Norway,
June 10, 2025

Eileen Straube,
Germany,
June 3, 2025

Pam Vervoort ,
UK,
May 27, 2025

Thamizharasan Sakthivel ,
India,
May 20, 2025
Elizabeth Sibert, a small white woman with brown hair and glasses, is seated in her lab next to several microscopes. She is wearing a blazer and smiling at the camera for this lab-based headshot photo
Elizabeth Sibert ,
USA,
May 13, 2025

Alessio Veneziano ,
France,
May 6, 2025

October 2024 – April 2025


Victor Radermacher,
USA,
April 8, 2025

John Wendt ,
April 1, 2025

Zoe Kulik ,
March 25, 2025

Sourav Adhya ,
March 18, 2025

Shraddha Bhurkunde ,
March 11, 2025

Niklas Hohmann ,
Netherlands
February 18, 2025

Jack Wharton ,
UK
February 11, 2025

Maria Hussain ,
Canada
February 4, 2025

Netta Shalev ,
Israel
December 3, 2024

Petter Hällberg ,
Sweden
November 26, 2024

Verónica Díez Díaz ,
Germany
November 19, 2024

Imran Ali ,
UK
November 5, 2024

Antoine Champreux ,
Australia
October 29, 2024

Savannah Worne ,
UK
October 22, 2024


Stéphanie Bodin ,
Germany,
October 15, 2024

Sinjini Sinha,
USA,
October 8, 2024

June 2024 – September 2024


Giovanne Mendes Cidade,
Brazil,
September 17, 2024

Nare Ngoepe,
Denmark,
September 10, 2024

Pedro Godoy,
Brazil,
August 27, 2024

Team JOIDES Resolution,
July 30, 2024

Jana Burke,
US,
July 9, 2024

Jeanette Pirlo,
US,
July 2, 2024

Alice Paine,
UK,
June 25, 2024

Nicolò Ardenghi,
UK,
June 4, 2024

James Mulqueeney,
UK,
June 4, 2024

March 2024 – May 2024


Gabriella Akpah Yeboah,
Ghana,
May 28, 2024

Meg Nibbelink,
USA,
May 14, 2024


Bram Vaes,
Italy,
April 30, 2024


Arindam Chakraborty,
Malaysia,
April 23, 2024


Isabel Dove,
USA,
April 16, 2024



Nicholas Gardner ,
USA,
April 9, 2024


Allison Jacobel,
USA,
April 2, 2024


Georgy Falster,
Australia,
March 26, 2024


Jasmina Weimann,
USA,
March 19, 2024


Malin Ödalen,
Germany,
March 12, 2024


Danijela Dimitrijević,
Germany,
March 5, 2024



December 2023 – February 2024


Gabriel Osés,
Brazil,
February 27, 2024

Karen Gariboldi,
Italy,
February 20, 2024

Frederick Tolchard,
South Africa,
February 6, 2024

Alejandro Izquierdo López,
Canada,
January 30, 2024

Parth Shah,
Israel,
December 5, 2023

September 2023 – November 2023


Muhammad Aqqid bin Saparin,
Malaysia,
November 28, 2023

Mélina Jobbins,
Switzerland,
November 21, 2023

Anna Weiss,
United States,
November 14, 2023

Christine Yifeng Chen,
United States,
November 7, 2023

Yi-Yang Cho,
Taiwan,
October 31, 2023

Alexandra Zuhr,
Germany,
October 24, 2023


Pablo Milla Carmona,
Argentina,
October 10, 2023

Thamizharasan Sakthivel,
India,
October 3, 2023


Nina Papadomanolaki,
Germany,
September 26, 2023

David Harning,
United States,
September 19, 2023


Russell Bicknell,
United States,
September 12, 2023


Francesca Galasso ,
Germany
September 5, 2023

June 2023 – August 2023


Anwesha Saha,
Poland,
August 29, 2023

Shreya Arora
United States
August 15, 2023

Luke Grinham,
United Kingdom
August 8, 2023

Bruno Vila Nova,
Brazil
August 1, 2023


Gabby Kitch,
United States
July 25, 2023

Sarah Kachovich,
Australia,
July 12, 2023

Team JOIDES Resolution
(The Ocean),
At Sea,
July 04, 2023


Carmi Milagros Thompson,
United States
June 27, 2023

Tina Woltz,
United States
June 20, 2023

March 2023 – May 2023


Carlos Góis-Marques,
Spain
May 23, 2023

Roger Creel,
United States
May 16, 2023

Sara ElShafie,
United States
May 9, 2023

Pierre Gueriau,
Switzerland
May 2, 2023

Bongekile Zwane,
South America
April 25, 2023

Zoe Roseby,
United Kingdom
April 18, 2023

Shinya Iwasaki,
Japan
April 11, 2023

Allison Stegner,
United States
April 4, 2023

Nichola Strandberg,
United Kingdom
March 28, 2023

Richard Buchmann,
Brazil
March 07, 2023

December 2022 – February 2023


Joshua Zimmt,
United States
February 28, 2023

Abdur Rahman,
India
February 21, 2023

Miranta Kouvari,
United Kingdom
February 14, 2023

Anthony Shillito,
Canada
February 7, 2023

Margot Cramwinckel,
Netherlands
January 31, 2023

Vijayananda Sarangi,
Sweden,
January 24, 2023

Robert Patalano,
United States,
January 17, 2023

Mario Bronzati,
Brazil
December 06, 2022

September 2022 – November 2022


Natalia Villavicencio,
Chile
November 29, 2022

Anieke-Brombacher,
United Kingdom
November 22, 2022

Marion McKenzie,
United States
November 08, 2022

Bonnie Teece,
United States
October 11, 2022

Naima El bani Altuna,
Norway
October 25, 2022

Enquye Negash,
United States
October 18, 2022

Ronnakrit
Rattanasriampaipong
,
United States
October 11, 2022

Rachel Lupien,
Denmark
September 27, 2022

Shannon Hsieh,
Poland
September 13, 2022

Katherine Hayes,
United States
September 6, 2022

June 2022 – August 2022


William Gearty,
United States
August 30, 2022

Heather Page,
United States
August 23, 2022

Jazmin Scarlett,
United Kingdom
August 16, 2022

Sean Thatcher,
United States
August 10, 2022

Matteo Fabbri,
United Kingdom
July 26, 2022

Anjana Khatwa,
United Kingdom
July 26, 2022

Michael Kipp,
United States
July 19, 2022

Ian Castro,
United States
July 12, 2022

Melissa Kemp,
United States
July 05, 2022

Tianchen He,
United Kindom
June 28, 2022

Sofía Barragán Montilla,
Germany
June 23, 2022

David Evans
Germany
June 14, 2022

Jack Shaw,
United States
June 06, 2022

March 2022- May 2022


Amanda Garcia,
United States
May 31, 2022

Yassine Ait Brahim,
Morocco
May 24, 2022

Team JOIDES Resolution,
At Sea
May 17, 2022

Lara Maldanis,
France
May 10, 2022



Lily Jackson,
United States
May 3, 2022



Javier Luque,
United States
April 26, 2022

Arianny Storari,
Brazil
April 19, 2022

Erin Dillon,
United States
April 13, 2022

Keir Nichols,
United Kingdom
April 5, 2022

Skye Yunshu Tian,
Hong Kong,
March 22, 2022

Alexandra Auderset,
United States,
March 15, 2022


Sandy Hetherington,
United Kingdom,
March 8, 2022

Michela Johnson,
Germany,
March 1, 2022

December 2021- February 2022


Carina Fish,
United States,
February 22, 2022

Anja Frank,
Germany,
February 15, 2022

Mike MacFarrin,
United States,
February 8, 2022

Sarah Sheffield,
United States,
February 1, 2022

Abraham Dabengwa,
South Africa,
January 25, 2022

Tyler Kukla,
United States,
January 18, 2022

Navigating Grad School,
Panel Discussion
December 7, 2021

September 2021- November 2021


Andy Fraass,
Canada,
November 30, 2021

Jess Crumpton-Banks,
United Kingdom,
November 23, 2021

Kimberly Lau,
United States,
November 16, 2021


Hagar Hauzer,
Israel,
November 9, 2021

Emma Rehn,
Australia,
November 2, 2021

Sajjad Akam,
United States,
October 26, 2021

Bryan Shirley,
Germany,
October 19, 2021

Jihad Rachid,
Morocco,
October 12, 2021

Catherine Strickson,
United Kingdom,
October 5, 2021

Kate Marriott,
United States,
September 28, 2021

Andrew Christ,
United States,
September 21, 2021

Bill Lukens,
United States,
September 14, 2021

Ryan Mohammed,
West Indies,
September 7, 2021

June 2021- August 2021


Markus Adloff,
United Kingdom,
August 31, 2021

Makarius Itambu,
Tanzania,
August 24, 2021

Candela Blanco-Moreno,
Spain,
August 17, 2021



Tripti Bhattacharya,
United States,
August 10, 2021

Deborah Khider,
United States,
August 03, 2021

Farid Saleh,
China,
July 27, 2021

Catherine Davis,
United States,
July 20, 2021



Mónica Carvalho,
United States,
July 13, 2021


Evan Ramos,
United States,
July 6, 2021

Joe Moysuik,
Canada,
June 29, 2021

Audrey Taylor,
United States,
June 22, 2021

Ornella Bertrand,
United Kingdom,
June 15, 2021

Chris Lowery,
United States,
June 8, 2021


Tali Babila,
United Kingdom,
June 1, 2021

March 2021 – May 2021


Advait Jukar,
United States,
May 25, 2021

Nuria Melisa Morales Garcia,
United Kingdom,
May 18, 2021

Matthias Sinnesael,
United Kingdom,
May 11, 2021

Shamindri Tennakoon,
United States,
May 4, 2021

Canfa Wang,
China,
April 27, 2021

Agathe Toumoulin,
France,
April 13, 2021

Sibusiso Biyela,
South Africa,
April 6, 2021

Aline Ghilardi,
Brazil,
March 30, 2021

Flavia Boscolo-Galazzo,
Switzerland,
March 23, 2021

Heda Agić,
United States,
March 16, 2021

Ben Otoo,
United States,
March 9, 2021

Samantha Carter,
United States,
March 2, 2021

December 2020 – February 2021


Judi Sclafani,
United States
February 23, 2021

Weimu Xu
Ireland,
February 16, 2021

Hazel Richards
Australia,
February 9, 2021

Anne-Claire Fabre,
Switzerland,
February 2, 2021

Alyssa Atwood,
United States,
January 26, 2021

Karma Nanglu,
United States,
January 19, 2021

Nussaibah Raja,
Germany,
December 8, 2020

Natalie Umling,
United States,
December 1, 2020

September 2020 – November 2020


Emma Karoune,
United Kingdom
November 24, 2020


Kaustubh Thirumalai,
United States,
November 17, 2020


Thomas Clements,
United Kingdom,
November 10, 2020

Esther Githumbi,
Sweden,
November 3, 2020

Jamie McFarlin,
United States,
October 27, 2020

Sarah Shelley,
United States,
October 20, 2020


Aviwe Matiwane,
South Africa,
October 13, 2020

Allison Karp,
United States,
October 6, 2020


Jorge Cardich,
Peru,
September 29, 2020

Gabi Serrato Marks,
United States,
September 22, 2020

Aaron Martinez,
United States,
September 15, 2020

Emanuela di Martino,
Norway,
September 8, 2020

Matthew Jones,
United States,
September 1, 2020

June 2020 – August 2020


Charuta Kulkarni,
United Kingdom,
August 25, 2020



Caitlyn Witkowski,
United Kingdom,
August 18, 2020

Deepak Jha,
India,
August 11, 2020

Mairin Balisi,
United States,
August 4, 2020

Emma Dunne,
United Kingdom,
July 28, 2020

Pedro Monarrez,
United States,
July 21, 2020

Neil Brocklehurst,
United Kingdom,
July 7, 2020

Heather Jones,
United States,
June 30, 2020

Laura Haynes,
United States,
June 23, 2020