2016 challenges and opportunities in hydrometry graphic.

Incremental change is an insidious thing. Like a frog in a pot of water on the stove it can be difficult to know what is going on when your attention is moment-to-moment. It could be that from day-to-day there is no noticeable change but year-to-year there is major change and decade-to-decade there is transformative change. The business of water monitoring is vastly different than when...

Read More
Graphic of water processes and policies for YVR.

We usually report water quantity information as a volumetric rate (e.g. m3/s); we usually report water quality information as a concentration (e.g. mg/l); and we usually report precipitation as a length (e.g. mm). But we don’t have to. The mass of water is related to its volume by its density which, conveniently, can be assumed to be unity (1). This means that we could just...

Read More
Internet of things graphic.

In my Hallowe’en post I presented various ways in which better rigor in tracking data provenance can do many things — up to and including — saving the world during a zombie apocalypse. Today, I would like to focus on a much more immediate and pragmatic benefit of improving traceability of data to source. Our negligence in communicating and preserving primary and intermediate states of our...

Read More