In this March 2019 talk for Wednesday Nite @ The Lab (WN@TL), WGNHS geologist Esther Stewart shares her insights into some of Wisconsin’s oldest rocks. It’s a story of reading the deep-time sedimentary record and …
Blog
Pulling together the pieces of the Bayfield County Groundwater Atlas
WGNHS geologist Grace Graham is producing a map of the depth to bedrock in Bayfield County using a passive-seismic geophysical survey to supplement data from well construction reports. The combination of new methods (passive seismic) …
Big Data from Small Streams (and Small Lakes—the 2018 Update)
Dave Hart, a WGNHS hydrogeologist, is designing and implementing a project that is challenging ideas about how much data is enough data. Dave collects data and uses models to understand Wisconsin’s water quantity and quality …
Investigating bluff collapse along Lake Michigan
J. Elmo Rawling III, a WGNHS Quaternary geologist, is working with Dr. Lucas Zoet in UW–Madison’s Department of Geoscience to monitor bluff stability to identify what conditions are likely to lead to slope failure in …
Mapping the Ice Age Deposits of Jefferson County
Libby Ives is a research assistant and a PhD student at UW–Milwaukee and a field assistant at the Survey. With the Survey’s Elmo Rawling, Libby is mapping the Pleistocene (Ice Age) geology in Jefferson County. …
Mapping the Springs of Wisconsin
Springs can be vulnerable to human activities that cause groundwater pollution or depletion. In this August 2018 talk for Wednesday Nite @ The Lab (WN@TL), Sue Swanson (Beloit College) and Grace Graham (WGNHS) describe the …
Groundwater, Wetlands, and Geology: The Invisible Links
Why do wetlands occur where they do? Where does their water come from? How are they connected to the groundwater systems around them? In this April 2018 talk for Wednesday Nite @ The Lab (WN@TL), …
Getting hit by a meteorite—what are the odds?
Looking for ways to teach geology to your students? We’ve developed some lesson plans to assist! This lesson plan uses meteorites as a way to learn about the scientific method. Using a model to understand …
Little Plover River Groundwater Model
In Wisconsin’s Central Sands, stretches of the Little Plover River have gone dry in past years. Some people have blamed high-capacity wells, while others cite changing land use, climate change, or natural weather patterns. To evaluate the …
Dane County groundwater model
The 2016 Groundwater Flow Model for Dane County, Wisconsin, is a decision-support tool that can be used to site new wells, develop wellhead protection plans, evaluate the effects of changing land use and climate on groundwater, and …