Watershed Analysis in GIS: A Spatial Workbook

I receive a number of requests for additional instruction from former students who have taken one class or another. I decided to combine my tutorials for water and ecosystem analysis in ArcGIS into a single book on LeanPub, which allows for work in progress...

Climate Mirror

In December 2016, after the Trump administration was elected, but before they took office, I helped start a group of volunteers working to protect climate data from deletion or tampering under the Trump Administration. While it seemed impossible to think they could...