Polar Research

“Melting of the Antarctic Ice Sheets” with Frank Nitsche

“Melting of the Antarctic Ice Sheets– Ice and ocean interaction: consequences for sea-level rise” with Frank Nitsche   Originally presented 13 Feb 2016 Abstract: Satellite measurements are showing that the large ice sheets in Greenland and Antarctica are thinning and losing mass. The melting of these ice sheets is increasing sea level globally and endangering … Continued

“Impacts of Acute Warming on Arctic Flora and Fauna” with Natalie Boelman (Jan 2014)

“Impacts of Acute Warming on Arctic Flora and Fauna” with Natalie Boelman (Jan 2014)

‘Impacts of Acute Warming on Arctic Flora and Fauna’ Natalie Boelman Originally presented 11 Jan 2014 Natalie Boelman is a Lamont Assistant Research Professor in the Biology and Paleo Environment Division. The main goals of my research are to better understand: the ways in which the composition, physical structure, and phenology of Arctic-Boreal vegetation are … Continued

Shrinking Glaciers: A Chronology of Climate Change with Michael Kaplan (Oct 2013)

Shrinking Glaciers: A Chronology of Climate Change Dr. Michael Kaplan Lamont Assistant Research Scientist Geochemistry mkaplan@ldeo.columbia.edu Originally presented Oct 2013 Dr. Kaplan’s presentation: Kaplan2013    Research interests:  Quaternary and glacial geology, geomorphology, geochronology, paleoclimatology, ice sheet dynamics, limnogeology, cosmogenic surface exposure dating   Field research studies: * Glacier and climate history of southern South America, New Zealand, … Continued

Antarctica’s Subglacial Lakes with Michael Studinger (Dec 2006)

Antarctica’s Subglacial Lakes with Michael Studinger         Remote sensing has revealed “Lake Vostok”, a body of water as large as some of the Great Lakes entirely hidden beneath 4 km of Antarctic ice. For the past few years, Michael Studinger has joined us to discuss how scientists can study the geology, hydrology, and … Continued

“Shrinking Glaciers: A Chronology of Climate Change” with Michael Kaplan (Oct 2013)

“Shrinking Glaciers: A Chronology of Climate Change” with Michael Kaplan (Oct 2013)

“Shrinking Glaciers: A Chronology of Climate Change” with Michael Kaplan (Oct 2013)   Michael Kaplan is a Lamont Assistant Research Scientist who area of investigation focus on how fast glaciers in certain parts of the world are disappearing. His field research includes: * Glacier and climate history of southern South America, New Zealand, Antarctica, and … Continued

“ANDRILL: Geologic Drilling to Produce Stratigraphic Records of the Antarctic” with Trevor Williams (Sep 2006)

ANDRILL: geologic drilling to produce stratigraphic records of the Antarctic with Trevor Williams Originally presented 16 Sep 2006     The Earth2Class Workshops this fall will feature two special themes: “International Polar Year” and “Helping Students Interpret Data”. During the 2007 – 2008 IPY, thousands of scientists from all over the world will conduct large- and … Continued

“LDEO Contributions to the IPY (International Polar Year), part 2: ANDRILL (Antarctic Drilling Project) Results” with Trevor Williams (Dec 2007 )

“Lamont Contributions to the IPY (International Polar Year), part 2: ANDRILL (Antarctic Drilling Project) Results” with Trevor Williams PLUS — Teleconference with Teachers in Antarctica! Originally presented 8 Dec 2007 The November and December E2C Workshops feature research contributions by LDEO scientists to the 2007 – 2008 International Polar Year. In our December Workshop, Trevor  Williams provides an update to … Continued

“LDEO Contributions to the IPY (International Polar Year), part 1: Exploring Polar Regions with Geophysical Tools” with Michael Studinger (Nov 2007)

Lamont Contributions to the IPY (International Polar Year), part 1: Exploring Polar Regions with Geophysical Tools Michael Studinger   Originally presented 10 Nov 2007 Where Is He Now? http://www.polartrec.com/member/michael-studinger The Earth2Class Workshops this Fall featured two special themes: the “IODP (Integrated Ocean Drilling Program) ‘School of Rock’ Workshops” and the “Lamont Contributions to the IPY (International Polar Year)”. The November … Continued

“Footprints of past glaciations – discovering traces of ice on the bottom of the ocean” with Frank Nitsche (Mar 2011)

“Footprints of past glaciations – discovering traces of ice on the bottom of the ocean” with Frank Nitsche   Originally presented 19 Mar 2011 The West Antarctic Ice Sheet is believed to be vulnerable to climate change as it is grounded below sea level, is drained by rapidly flowing ice streams and is fringed by floating … Continued

“The AGAP (Antarctica’s GAmburtsev Province) Project and other LDEO Antarctic Investigations” with Margie Turrin (Deb 2008)

“The AGAP (Antarctica’s GAmburtsev Province) Project and other LDEO Antarctic Investigations” with Margie Turrin     Originally presented 13 Dec 2008 Introduction to this Workshop Here is the introductory slide show for this workshop: The AGAP Project and other LDEO Antarctic Research (ppt) The AGAP Project and other LDEO Antarctic Research (pdf) Twenty-five years ago … Continued

“Glacier Dynamics and Changes in Ice Flow” with Meredith Nettles (Apr 2012)

“Glacier Dynamics and Changes in Ice Flow” with Meredith Nettles (Apr 2012)

“Glacier Dynamics and Changes in Ice Flow”  with Meredith Nettles Originally presented 22 Apr 2012 What really happens at the bottom of a glacier as it flows toward the sea? Meredith Nettles’s research focuses on tomographic imaging of the Earth’s upper mantle and studies of the earthquake source. Tomographic work includes the development of a … Continued

“How Are Warmer Temperatures in the Arctic Tundra Impacting Migratory Songbird Who Go There to Breed?” with Natalie Boelman (Apr 2011)

“How Are Warmer Temperatures in the Arctic Tundra Impacting Migratory Songbird Who Go There to Breed?” with Natalie Boelman (Apr 2011)

“How are warmer temperatures in the Arctic tundra impacting migratory songbirds who go there to breed?” with Natalie Boelman Originally presented 9 Apr 2011) Introduction to this Workshop           Introductory slideshow   (pdf) Cutting-Edge Research Dr. Natalie T. Boelman serves as Lamont Assistant Research Scientist in the Division of Biology and Paleo Environment. http://www.ldeo.columbia.edu/user/nboelman … Continued

“Under 4 Kilometers of Ice: Studying Lake Vostok” with Michael Studinger (Apr 2004)

Under 4 Kilometers of Ice: Studying Lake Vostok with Michael Studinger Originally presented 9 Apr 2004       Michael Studinger: Remote Sensing  of Lake Vostok  Buried under 4 km (2 1/2 miles) of ice in the heart of the Antarctic continent lies Lake Vostok, one of the world’s biggest freshwater lakes. For up to … Continued

“What Can Ocean Temperatures Tell Us about Climate in the Southern Hemisphere?” + “Uncovering the Secrets of Lake Vostok” with Martin Visbeck and Michael Studinger (Nov 2003)

“What Can Ocean Temperatures Tell Us about Climate in the Southern Hemisphere?” and “Uncovering the Secrets of Lake Vostok” Guest Scientists: Martin Visbeck and Michael Studinger  Originally presented 15 Nov 2003     Introductory Presentation by Dr. Michael J. Passow PowerPoint | Web Page Feel free to use any or all of our resources with your students. … Continued

“Developing Knowledge of Climate during the Past 150 Years” with Alexey Kaplan and “The LDEO Deep-Sea Core Repository” with Rusty Lotti Bond (Feb 2002)

“Developing Knowledge of Climate during the Past 150 Years” with Dr. Alexey Kaplan and “The LDEO Deep-Sea Core Repository” with Curator Rusty Lotti Bond Originally presented Feb 2002   Introduction to this Workshop Introduction by Dr. Michael J. Passow      PowerPoint | HTML   Earth Science Content Guest Scientist: Alexey Kaplan—“Developing Knowledge of Climate during the Past … Continued