“Visualization of Groundwater Flow Using Interactive Sand Boxes, Links to Local and International Water Resources Issues” with Martin Stute (Feb 2011)
Originally presented 12 Feb 2011 In many parts of the world, groundwater provides the major source of “Life’s Most Valuable Fluid.” But availability and contamination make groundwater a critical issue. Martin Stute will share aspects of his research about groundwater,...
“Lake Level History of the Mono Basin” with Sidney Hemming (Nov 2012)
Originally presented 17 Nov 2012) Dr. Sidney Hemming uses the geochemistry of sediments and sedimentary rocks to unravel events in Earth’s past. She is a Professor in the Department of Earth and Environmental Sciences, and directs the Argon Geochronology Lab at...
“Arsenic in the Groundwaters of Bangladesh” with Alexander Van Geen (May 2003)
Originally presented May 2003 E. S. Content The groundwater arsenic crisis in Bangladesh – how extreme spatial variability can be turned to an advantage. Over the past 20 years, millions of inexpensive “tube wells” have been installed manually to depths of...
“Learning from Tree Rings” with Nicole Davi (Dec 2003)
Dr. Nicole Davi Originally presented 13 Dec 2003(revised 2017) Introductory Presentation by Dr. Michael J. Passow View the introductory slideshow for this workshop Today’s program marks the first time Earth2Class has presented the work of the Tree Ring Laboratory, one...
“Tree Rings and Climate Change” with Nicole Davi (Jan 2005)
Originally presented 15 Jan 2005 Introduction Year to year changes in environmental conditions cause characteristics of the annual growth rings to also vary from year to year. So, a stand of trees growing in desert conditions (xeric) produce a narrower ring during...
“Droughts, Dzud, and Archeology in Mongolia: A Tree Ring Perspective” with Nicole Davi (Jan 2011)
Originally presented 15 Jan 2011 Introduction to this Workshop Here is a slide show that provides some background about studying tree rings: ppt pdf Cutting-Edge Research Human populations of developing nations around the globe...
“Transects and Tree Rings at LDEO” with Brendan Buckley (May 2008)
Originally presented 10 May 2008 Brendan Buckley (Doherty Associate Research Scientist in the LDEO Tree Ring Lab) will lead a hike through the Lamont campus to a 100 m x 100 m plot where investigations are exploring climate and vegetation changes. This will be our...
How much water do we have and how to manage it? Insights from tree rings with Hung Nguyen
Originally presented March 19, 2022 Hung is a water guy. In his research, he seeks to understand the variability and changes in the water cycle at multiple spatial and temporal scales, and apply such understanding to water resources management. He cares about...
“We Are What We Eat: Nutritious Landscapes” with Roseline Remans (Dec 2012)
Originally presented 8 Dec 2012 NOTE; THE TROPAG PROGRAM IS NOW THE AGRICULTURE AND FOOD C=SECURITY CENTER. Tropical Agricultural Program, Columbia Earth Institute The double burden of undernutrition and overnutrition affects more than two billion people around...
“The 100th Earth2Class Workshop for Teachers at LDEO” “Sustainable Development and the Role of Science” with John Mutter (Dec 2009)
Originally presented 12 Dec 2009 This is the 100th (!) Earth2Class Workshop. Permission to develop these Saturday morning programs bringing classroom teachers and research scientists together was first granted in 1998 by Dr. John Mutter, then the Acting Director of...