V-notch weirs are an effective way to measure water flow in a wide range of situations. We published a paper on its correct use, and created a free Excel function to simplify the process. Many of Splashback’s clients work with water discharge as part of their environmental monitoring. These measurements of flow and discharge are… Continue reading Calculate water discharge from V-notch Weirs in Excel
In this article, we’re going to show you how to construct queries using the a GraphQL IDE, how to make GraphQL API calls in R and then how to convert the returned JSON data into an R data frame. Most of the screenshots in this blog post are of old versions of the Splashback API… Continue reading Using GraphQL with R
In some sampling scenarios, subsamples will be a part of the real structure of the data collected. For these scenarios, we’ve released the Splashback Profiler add-in so you can visualise your data across subsamples for a given set of sites, times or parameters. View the video on our Sample data structure here. In the following… Continue reading Introducing the Splashback Profiler add-in
Recently, we added the Hazen percentile function to Splashback, including it as a statistic in our apps. To accompany its release, we thought we’d write a short profile on it. The Hazen percentile is attributed to Allen Hazen . He studied and worked extensively on water and sewerage infrastructure and is most known for developing… Continue reading What is the Hazen Percentile?