Evidence-based decision-making is a useful framework for the development of policies and practices to ensure water security, ecosystem resilience, and productive societies. The term “evidence-based” is gradually yielding to the term “data-driven” as focus shifts from specified data (i.e. fit-for purpose) to data discovery (i.e. big data) as the source of evidence....

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Value of Data Provenance graph.

I frequently promote the concept of curated data provenance that is fully traceable to source. Most people quietly accept this as a generally worthwhile concept. However, most people also expect that active maintenance of data provenance should operate with an economy of scale. In other words, there is some practical limit beyond which further traceability is no longer worth the cost, time and effort. I can...

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Lego scene.

Hydrology is the science of sciences. There is no science that is as dependent on the other sciences and there is no science that is so fundamental to every other science. In fact, it is rarely the case that you would find a dedicated department of hydrology in any university, yet some aspects of hydrology are taught in almost every science department at every university. Water is...

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Two people in deep flood water.

The Governor of the State of South Carolina points out to reporters in every press conference that the floods are a one-in-1000 year event. In other words, the devastation from these floods is not our fault, this is an extremely improbable event and there is no way we could have been prepared for it. The cost of the flood is estimated at USD 1 billion and...

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Sustainability Venn diagram.

Much has been said about the water-energy-food nexus. The implication of many of these discussions is that we cannot disentangle policies for food and energy from each other because these sectors are inextricably linked by water. The nexus actually has many dimensions: you can add health, safety, economic activity, environmental sustainability, and social justice to the list of things that we endeavor to control that...

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