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February 19, 2018

From groundwater flow to groundwater glow: why does groundwater fluoresce in ultraviolet light?

…if we shine ultraviolet light at groundwater samples, then they fluoresce due to the presence of organic molecules that are often present. Unfortunately, we can’t see any of this fluorescence with our eyes, as it is emitted in the middle- and long-range ultraviolet, so we must use detectors that can ‘see’ at these wavelengths.

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January 5, 2018

A Tanzanian groundwater safari through the last 2 million years

Watching our backs in case of predators, we ventured out of the safety of our Land Rover for Gail to sample the lake water, as salt blew in drifts around us off the desiccated edges of the lake bed…

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December 21, 2017

Want to contribute to IAHS’ discussion about 23 unsolved problems in hydrology?

Video: Inspired by the famous list of unsolved math problems (hence the header image), the International Association of Hydrological Sciences has an interesting challenge for us all: define 23 unsolved problems in hydrology.

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December 15, 2017

On the social responsibility of water scientists

Should we feel a moral obligation to engage, if our work has real implications on society?

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December 12, 2017

An alternate career path for Groundwater Science-Engineering PhDs

Post by Jim Roy, Research Scientist at Environment and Climate Change Canada. _______________________________________________ A recent editorial in Nature highlighted the relative scarcity of academic positions available to graduating PhD students (Many junior scientists need to take a hard look at their job prospects; 25 October, 2017). It notes that “it has been evident for years that international science is training many more PhD students than the academic system can support”. Firm …

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November 28, 2017

Hydraulic fracturing close to groundwater wells

By Scott Jasechko and Debra Perrone _______________________________________________ In December, 2016, the Environmental Protection Agency finalized a report [Ref. 1] on hydraulic fracturing and drinking water resources that, among other conclusions, states: (a) Quote from [Ref. 1]: “scientific evidence that hydraulic fracturing activities can impact drinking water resources under some circumstances” (b) Quote from [Ref. 1]: “When hydraulically fractured oil and gas production wells are located near or within drinking water resources, there is …

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November 18, 2017

Bedrock: A hydrogeologist’s devotional

I want to share a book with you that has encouraged me through initial academic mires (I was only in graduate school for 7 years…) and inspired me to expand my perception and appreciation of the natural world.

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November 9, 2017

Community advice to young hydrologists, Part 1

What book or paper has been most influential to your career and why?

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November 4, 2017

Of Karst! – short episodes about karst

This episode focuses more on the appearance of karst features in famous movies and TV programs that may be familiar to some of us, although we may not have watched them through the eyes of a karst fanatic at the time.

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October 30, 2017

Where does the water in streams come from when it rains?

If you don’t see the connection between streamflow and underground water, you need to keep reading.

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