Challenges in Mapping Change – Part 2

Challenges in Mapping Change – Part 2

The first part of this article was mostly me whining about the problems associated with mapping change. This part focuses on solutions. One of the fundamental principles introduced earlier was the idea that we need to account for “allowable error” in the data. We...
Challenges in Mapping Change – Part 1

Challenges in Mapping Change – Part 1

What’s the Problem? In the geospatial profession, we really have great data. And we have LOTS of great data. And a bunch of that data has been around for a pretty long time. Which means as more and more new data arrives on the scene, buried in there somewhere is the...
Culvert Mapping Pays Off

Culvert Mapping Pays Off

Culverts Are A Problem Let’s face it, most of the culverts in your Town are old. And quite often there is no record of when they were installed. Plus, in the past 50 years or more, the surrounding landscape has changed. That means runoff has changed too. At Indian...
Mapping Change

Mapping Change

Does anyone remember the old TV add campaign “Is it live, or is it Memorex”? It’s a great reminder that even though we continually strive to make technology reflect reality, it doesn’t always match reality. At least not…exactly. And if you haven’t ever read the quote...
Wetlands Mapping in 2020 & Beyond

Wetlands Mapping in 2020 & Beyond

Mapping wetlands in accordance with the US Army Corps of Engineers standards requires of evaluation of three things: wetland hydrology, wetland plants, and wetland soils. Typically, that requires standing in the field with a shovel or a soil auger, and marking the...