Water Resources

“The Source and Solution to Groundwater Arsenic Contamination” with Benjamin Bostick (28 Mar 2015)

“The Source and Solution to Groundwater Arsenic Contamination” with Benjamin Bostick (28 Mar 2015)

The Source and Solution to Groundwater Arsenic Contamination Guest Scientist: Benjamin Bostick (Image credit: G. Hofer) Originally presented: 28 Mar 2015 Abstract: Arsenic is one of the most ubiquitous contaminants in groundwater and a major cause of disease worldwide. We will discuss reasons that specific areas have arsenic contamination, why those areas are at risk, … Continued

“Sewage contamination in the Hudson: patterns and processes” with Andrew Juhl (Jan 2010)

“Sewage Contamination in the Hudson: Patterns and Processes” with Dr. Andrew Juhl  Originally presented 23 Jan 2010 (This is the 101st E2C Workshop.)           The Hudson River has a long history of environmental degradation, with great improvements in recent decades. Nevertheless, sewage contamination remains an intermittent concern and potential threat to … Continued

“Arsenic in the Groundwaters of Bangladesh” with Alexander Van Geen (May 2003)

“Arsenic in the Groundwaters of Bangladesh” with Dr. Alexander Van Geen 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 90 m … Continued

“Lake Level History of the Mono Basin” with Sidney Hemming (Nov 2012)

“Lake Level History of the Mono Basin” with Sidney Hemming (Nov 2012)

“Lake Level History of the Mono Basin, Eastern CA” Sidney Hemming 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 Lamont. In this … Continued

“Visualization of Groundwater Flow Using Interactive Sand Boxes, Links to Local and International Water Resources Issues” with Martin Stute (Feb 2011)

“Visualization of Groundwater Flow Using Interactive Sand Boxes, Links to Local and International Water Resources Issues” with Martin Stute (Feb 2011)

Visualization of Groundwater Flow Using Interactive Sand Boxes, Links to Local and International Water Resources Issues with Martin Stute 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 … Continued

“Case Studies of Water Resource Problems” with Upmanu Lall (May 2002)

“Case Studies of Water Resource Problems” with Dr. Upmanu Lall   Original presented 11 May 2002 Introduction to this Workshop Introduction to Hydrology Dr. Michael J. Passow PowerPoint | HTML   Earth Science Content “Case Studies of Water Resource Problems” Dr. Upmanu Lall Senior Research Scientist, IRI http://www.columbia.edu/~ula2/ http://iri.ldeo.columbia.edu/   Integrating Educational Technologies Building your own WebQuest … Continued

“Hydrology” with Upmanu Lall (May 2001)

“Hydrology” with Upmanu Lall (May 2001)

“Hydrology” with Dr. Upmanu Lall  May 2001       Originally presented May 12, 2001 Background information about “Hydrology” — Dr. Michael J. Passow PowerPoint format HTML format (Frames) Examples of “Research into Hydrological Issues” — Dr. Upmanu Lall, IRI Some hydrological classroom activities and wrap-up of “Earth2Class” for this series — Michael J. Passow … Continued