Graphic depicting water data.

Good stream hydrography requires careful attention to technical detail. We care deeply about the precision of our data. So why would we be tolerant in the precision with which we define data? At issue is matching a verb with the noun. According to Wikipedia, “the word data is the traditional plural form of the now-archaic datum”. From Latin roots, data means “something given,” which implies a fundamental...

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R.W. Herschy book on streamflow measurement.

When I was working on the post ‘Clear as mud’ I had some questions for Reg Herschy. Reg is the author of ‘Hydrometry Principles and Practices’ and ‘Streamflow Measurement’ and has always been very helpful and engaging with regards to anything to do with stream hydrography. Unfortunately, the reply came not from Reg but from his grandson Duncan. Reg passed away on July 4, 2012 as a...

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