The southwest Wisconsin groundwater and geology study (SWIGG) was a cooperative effort between Grant, Iowa, and Lafayette county governments, with scientists from the U.S. Geological Survey, U.S. Department of Agriculture, Marshfield Clinic Research Institute, and …
hydrogeology
Southwest Wisconsin groundwater and geology study (SWIGG)
Southwest Wisconsin has fractured bedrock beneath generally thin soils, putting groundwater at risk for contamination. The purpose of this study was to improve our understanding of groundwater quality in southwest Wisconsin and to better understand how local hydrogeology …
Central Sands nitrate and neonicotinoids database
The Central Sands nitrate and neonicotinoid database consists of over 100,000 measurements of nitrate and neonicotinoid concentrations in groundwater from wells across Adams, Juneau, Marquette, Portage, Waushara, and Wood counties collected between 1953 and 2021. …
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, …
Hydrogeology of the sandy uplands of the Bayfield Peninsula, Wisconsin
The sandy uplands of the Bayfield Peninsula are primary contributors to regional groundwater recharge and provide baseflow to streams in the area. Few data exist, however, to characterize upland hydrogeology or its susceptibility to groundwater …
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 …
Wisconsin’s Karst Aquifers
On February 19, 2020, WGNHS hydrogeologist Maureen Muldoon gave a talk for Wednesday Nite @ The Lab (WN@TL) entitled “Why Are Wisconsin’s Karst Aquifers So Susceptible to Groundwater Contamination?” This talk focused on the hydrogeology …
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 …
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 …
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), …