Director’s Message The Wisconsin Geological and Natural History Survey (WGNHS) had an exceedingly busy and successful year in 2022. We progressed to a fully hybrid work model as the University of Wisconsin continues to emerge …
WGNHS research
Central Sands Nitrate and Neonicotinoid Study
In 2021-2022, the Central Sands Nitrate and Neonicotinoid Study performed a data-gap analysis and compiled an exhaustive database of over 100,000 historical groundwater nitrate and neonicotinoid concentrations for wells across Adams, Juneau, Marquette, Portage, Waushara, …
WGNHS publication receives John C. Frye Memorial Award
WGNHS alumnus Anna Fehling (now a hydrogeologist at the Wisconsin DNR) and WGNHS hydrogeologist David Hart received the 2022 John C. Frye Memorial Award in Environmental Geology for their report Potential Effects of Climate Change on Stream Temperature …
2021 Year in Review
Director’s Message The Wisconsin Geological and Natural History Survey (WGNHS) had another successful year in 2021. We began the year working remotely due to the Covid-19 pandemic, but restrictions started to ease during the spring …
2020 Year in Review
Director’s Message 2020 was one of the most unusual years in the long history of the Wisconsin Geological and Natural History Survey. January began normally, with WGNHS staff involved primarily in office projects and participating …
Aerial survey in northeast Wisconsin
In January 2021, northeastern Wisconsinites may notice a low-flying helicopter towing a large, hoop-shaped sensor. The helicopter’s sensor uses airborne electromagnetic (AEM) technology to gather data that will help scientists update depth to bedrock maps. …
2019 Year in Review
Curious about what the Survey was up to in 2019? As always, it was a busy year for us. We worked on projects across the state of Wisconsin, from the shores of the Great Lakes to the Mississippi …
Streams of Data from Streams of Wisconsin
In this August 2019 talk for Wednesday Nite @ The Lab (WN@TL), WGNHS hydrogeologist Dave Hart explained how he and his team used canoes outfitted with an array of sensors to record vast amounts of …
The Precambrian Geology of the Baraboo Hills
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 …
2018 Year in Review
2018 was another busy year for the Survey. We worked on projects across Wisconsin, from the bluffs of Lake Michigan to Bayfield County, from the Driftless Area to the Door County peninsula and many parts …