DEM: Digital Elevation model - any digital representation of any kind of elevation. Lidar can produce multiple DEMs in one pass DSM: Digitial Surface Model - the elevation map produced with primarily "first return" data. That is, a digital map of the first thing that the laser reaches. This usually includes objects like treetops, buildings, … Continue reading LiDAR in its Many Forms (DEM, DSM, DTM)
Geology
Earth Sciences on the Divide
Today marks the one-year anniversary since the WHO declared a pandemic around the disease caused by SARS-CoV-2. This has changed the way we work, live, and socialize. In the short term, this has created a tremendous burden of pain and hardship for people around the world. In the long term, I imagine it will change … Continue reading Earth Sciences on the Divide
Earth Sciences: The World is at Your Feet
To finish out their semester, I facilitated a presentation at Monticello Middle School's Science Cafe in Monticello, IL in December 2019. Science Cafe is an excellent program that allows students to bring their lunch into one of the science classrooms to hear a presentation from a practicing science about what they do and why it matters to the students.
Riley J. Balikian 