Authored by: Sam Zipper – Postdoctoral Researcher in the Department of Civil & Environmental Engineering at the University of Wisconsin-Madison In late July, my wife and I loaded the dog into the car, cranked up the water-related tunes, and drove over a few million cubic meters of water. No, we haven’t traded in our sedan for an amphibious vehicle – rather, we were driving west, a ...[Read More]
Nature Geoscience is digging hard into water underground – the February issue is part of a special focus on groundwater. The cover this month is a gorgeous (groundwater-filled?) waterfall by Glen Jasechko, Scott’s brother. The groundwater focus includes: commentary on drought in the Anthropocene, led by Anne van Loon news and views pieces by Ying Fan and Tamara Goldin our paper on the ...[Read More]
Scott Jasechko and I wrote an article for Water Canada about our research on modern groundwater published last fall in Nature Geoscience. We tried desperately to use plain language… how did we do? See WaterCanadaWinter2016
Permeability is a crazy parameter: heterogeneous on many spatial scales, highly variable over up to 20 orders of magnitude, and transient on many temporal scales. Yet, for better or for worse it is essential to our understanding of numerous earth processes, as well as how human impact and interact with the earth. I have had the honor of guest editing a special issue of Geofluids called ‘Cru ...[Read More]
Written by Scott Jasechko University of Calgary isohydro.ca twitter.com/sjasechko Groundwater is renewed by rain and melted snow that moves under the ground, a process called groundwater recharge. The percentages of summer versus winter precipitation that make it under the ground are expected to be different for a number of reasons including larger plant water use during the summer, and larger are ...[Read More]
Written by Brian Smerdon IAH regional groundwater flow commission In the early 1960’s József Tóth published seminal work on the concept of regional scale flow and nested flow systems. His work built on the “theory of groundwater motion” by M.K. Hubbard, and seemed to come along just at the right moment in history of hydrogeology. Armed with József Tóth’s work, the hydrogeologic community (geologis ...[Read More]
The Groundwater Wetlands and Blogs Study Group is an unfunded, voluntary collaboration of professionals, formed in December 2012, focused on groundwater wetlands, bogs, and related systems. The Study Group has about 250 members in 39 countries. Study Group members communicate primarily through a disciplined Yahoo Group listserve. We are not a social network nor are we an environmental advocacy g ...[Read More]
My humanities colleagues and friends are always talking about postmodernism or pomo for short (see this funny satire). I’ve been thinking a lot lately about ‘modern groundwater’ (stay tuned for a cool paper), so I started wondering if there is ‘postmodern groundwater’. Modern groundwater is groundwater recharged since the huge spike it tritium in the early 1960’s due to above ground th ...[Read More]
Food prices in the United States are increasing slightly but not as significantly as one might expect given the severe drought in California. Margret Munro, a science journalist with Postmedia, recently asked me a great question: is groundwater depletion keeping California fruit and veggies cheap during the severe drought? Following up on her article, here is what I found and what it means for the ...[Read More]
From the McGill Newsroom As more people move to urban areas, cities around the world are experiencing increased water stress and looking for additional water supplies to support their continued grow. The first global database of urban water sources and stress, published online this week in Global Environmental Change, estimates that cities move 504 billion litres of water a distance of 27,000 kilo ...[Read More]
