Characterizing the sources of elevated groundwater nitrate in Dane County, Wisconsin
Private domestic wells are the source of drinking water for approximately 25% of Wisconsin residents, and statewide it is estimated that 12% of these exceed health standards for nitrate conc...
Water Balance Modeling for Irrigated and Natural Landscapes in Central Wisconsin
Significant decline in the water table in the Wisconsin Central Sand Plain (WCSP) has caused concern over the increase in land area devoted to irrigated agricultural crop production.
Object...
Evaluating Chemical Tracers in Suburban Groundwater as Indicators of Nitrate-Nitrogen Sources
BACKGROUND
Nitrate-nitrogen concentrations exceed the drinking water standard in nine percent of Wisconsin’s private wells andforty-seven community water system wells. It has been estimated...
Understanding the Effects of Groundwater Pumping on Lake Levels
The study summarized here examined the impacts of groundwater pumping on Wisconsin Central Sands water resources. Prominent hydrologic studies in the 1960s and 1970s warned that the growth i...
Design of a field-scale approach for evaluating nitrogen management practices impacts to groundwater
While nitrogen fertilizers and other nutrient sources (e.g., manure, bio-solids, and legume credits) are valued for their ability to increase crop yields, a portion of nitrogen applied throu...