Originally presented March 5, 2022 (Earth2Class #217) Frank O. Nitsche received a MS in geophysics from the University of Kiel, Germany and a Ph.D. from the University of Bremen, Germany. Between 1997 and 2001 he was a postdoctoral researcher in the Applied Geophysics Group at the ETH Zurich. In 2001 he came to the Lamont-Doherty … Continued
“Earth’s Oceans during the Last Ice Age” with Dr. Jerry McManus
Originally presented 15 Jan 2022 Supported by NSF Grants https://www.nsf.gov/awardsearch/showAward?AWD_ID=1502889&HistoricalAwards=falsehttps://www.nsf.gov/awardsearch/showAward?AWD_ID=1635019&HistoricalAwards=false https://www.nsf.gov/awardsearch/showAward?AWD_ID=1835997&HistoricalAwards=false Introductory slide show (pptx) (pdf) Youtube video of this sesssion
“Sea Surface Temperature from ships to satellites”
Alexey Kaplan Youtube video of this session Oct 16, 2021 Sea Surface temperature (SST) is a critical variable for analyses of climate variability and trends, for seasonal climate prediction, for understanding the impact of climate and environmental conditions on marine life, and for many other applications. The earliest available SST observations were made in the 1770s and have storied … Continued
“Glaciers in the Andes and Changing Climates” with Carly Peltier
Carly Peltier is a Ph.D. candidate in the Department of Earth and Environmental Sciences. She earned her B.A. from Mount Holyoke College in 2015 where she double majored in Geology and Economics. She is interested in studying glacier and climate changes of the past in order to provide the context for current change. To do … Continued
“What Can Dust Reveal about Past Climates?” with Jerry McManus, Gisela Winckler, and Allison Jacobel
“What Can Dust Reveal about Past Climates?” with Jerry McManus, Gisela Winckler, and Allison Jacobel Originally presented 22 Oct 2016 (Morningside Campus) Support in part by National Science Foundation Award #1502889 (Source: http://www.nature.com/articles/ncomms10449) Windblown dust plays important roles in influencing and recording climate change. In the atmosphere, dust contributes to the planetary albedo and … Continued
“Trees, Climate, and Societal Relevance: A Case Study in Mongolia” with Caroline Leland and Mukund Palat Rao (Sep 2014)
“Trees, Climate, and Societal Relevance: A Case Study in Mongolia” Guest Scientists: Caroline Leland and Mukund Palat Rao Originally presented 20 Sep 2014 … Continued
“How Have Glaciers Behaved in Patagonia in the Past?” with Michael Kaplan (Oct 2014)
“How Have Glaciers Behaved in Patagonia in the Past?” Dr. Michael Kaplan Originally presented 25 October 2014 Summary: Patagonia contains the largest amount of glacier ice in the Southern Hemisphere outside Antarctica. Historical records show that the Patagonian Ice Fields are some of the fastest disappearing, large ice masses … Continued
“Massive Glacial Lake Flooding” with Sidney Hemming (Feb 2014)
“Massive Glacial Lake Flooding” with Sidney Hemming and Joel Gombinder Originally presented 8 Feb 2014 In the 19th Century, geologists realized that much of our planet was once covered by huge ice sheets. At times while they melted back to the existing continental glaciers, the melt waters were blocked and formed lakes … 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
Learning from the Depths: Exploring LDEO’s Deep Sea Sample Repository and IODP’s East Coast Repository with Rusty Lotti Bond and Gar Esmay (Oct 2004)
Learning from the Depths: Exploring LDEO’s Deep Sea Sample Repository and IODP’s East Coast Repository with Rusty Lotti Bond and Gar Esmay Originally presented 2 Oct 2004 Introduction to this Workshop Here is the introductory slide show presented by Dr. Passow. Click on your preferred format, PowerPoint or html. “Learning from the Depths” (ppt) “Learning from … 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) 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
“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
“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
“Cores and Climate Change” with Gerard Bond and Rusty Lotti Bond (Feb 2003)
“Cores and Climate Change” with Gerard Bond and Rusty Lotti Bond Introduction by Dr. Michael J. Passow PowerPoint | HTML This introductory slide show will give you information about how deep-sea cores are obtained and some of the important discoveries about climates of the past that they have revealed. Earth Science Content Guest Scientist: Gerard Bond … 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
“Paleoclimatology” with Joseph D. Ortiz (Jan 2001)
“Paleoclimatology” with Dr. Joseph D. Ortiz Originally presented January 27, 2001 Introduction to this Session–Dr. Michael J. Passow Background about this Session’s Theme: (PowerPoint or HTML) Weather vs. Climate What creates Earth’s climates? “Patterns of Change” activities “Paleoclimatology” — Dr. Joseph D. Ortiz Searching the Web – Cristiana Assumpcao In order … Continued
“Earth’s Variable Climate Spectrum” with Joseph D. Ortiz (Apr 2000)
Earth’s Variable Climate Spectrum with Dr. Joseph D. Ortiz Originally presented 1 April 2000 The objective of this workshop will be to provide teachers with an introduction to the factors that drive climate change on a variety of time scales. Dr. Ortiz will discuss processes that drive climate on a variety of timescales … Continued
