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February 18, 2019
Water: underground source for billions could take more than a century to respond fully to climate change
While climate change makes dramatic changes to weather and ecosystems on the surface, the impact on the world’s groundwater is likely to be delayed, representing a challenge for future generations.
November 16, 2018
the true meaning of life for a hydrogeologist….
I stumbled upon this quote from Nelson Henderson (a farmer from Manitoba) which encapsulates what I have been thinking about groundwater sustainability for a number of years…
July 18, 2018
How deep does groundwater go? Mining (dark) data from the depths
We’ve all been asked (or do the asking), “where does your water come from?” This is a fundamental question for establishing a series of additional questions that can ultimately help define strategies for valuing and protecting a particular water resource.
September 28, 2017
Western water wells are going dry
We recently mapped groundwater wells across the 17 western states [1], where half of US groundwater pumping takes place.
September 23, 2017
Everything is connected
In recent years the human dimension of hydrology has become increasingly important.
July 17, 2017
Good groundwater management makes for good neighbors
Post by Samuel Zipper, postdoctoral fellow at both McGill University and the University of Victoria, in Canada. You can follow Sam on Twitter at @ZipperSam. ___________________________________________________________ Dedicated Water Underground readers know that this blog is not just about water science, but also some of the more cultural impacts of groundwater. Keeping in that tradition, today’s post begins with a joke*: Knock, knock! Who’s there? Your neighbor Your neighbor who? Your neighbor’s groundwater, …
June 26, 2017
What is the difference between ‘water withdrawal’ and ‘water consumption’, and why do we need to know?
Last week I had to teach my first class in global hydrology. When I showed the global trend on increasing demands and withdrawals I needed to explain the different terms as sometimes the term “water use” gets, well, misused.
May 15, 2017
Squeezed by gravity: how tides affect the groundwater under our feet
While we don’t tend to notice Earth and atmospheric tides, they do affect both the land and the world’s largest freshwater resource located underneath our feet: groundwater. This occupies the pores that exist in geological materials such as sand or soil, much like water in a kitchen sponge.
April 24, 2017
Global fossil groundwater resources—the grandkids like hanging out with the grandparents!!!
Post by Scott Jasechko, University of Calgary Groundwater is the world’s largest family of fresh and unfrozen water, and its members range from young to old. There are toddler groundwaters recharged more recently than the year ~1960. Our earlier research showed that these modern groundwaters make up only a small share of global groundwater stocks (Ref. 1 and Water Canada). But what of ancient ‘fossil’ groundwater—defined as groundwater that first …
March 20, 2017
WTF of the WTF method
I recently wrote a term paper for one of my graduate classes on the limitations of the water table fluctuation (WTF) method, and I have to say, WTF!
