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Airborne electromagnetic (AEM) and magnetic survey data were collected during March 2022 over a distance of 2,574.6 line kilometers in southeast and southwest Wisconsin. These data were collected in support of an effort to improve estimates of depth to bedrock through a collaborative project between the U.S. Geological Survey (USGS), Wisconsin Department of Agriculture, Trade, and Consumer Protection (DATCP), and Wisconsin Geological and Natural History Survey (WGNHS). Data were acquired by SkyTEM Canada Inc. with the SkyTEM 304M time-domain helicopter-borne electromagnetic system together with a Geometrics G822A cesium vapor magnetometer. The survey was acquired at a nominal flight height of 30 - 40 meters (m)...
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This dataset is a compilation of 125 site years of data collected between 2004-2017 from 26 agricultural fields (2-17 ha) in Minnesota and Wisconsin, representing 13 environmental and seven management factors. Each field was continually monitored for snowmelt and storm event surface runoff volume and phosphorus (P) concentrations. Event data were compiled to calculate both P loads and flow-weighted mean P concentrations during frozen and non-frozen conditions each year. This dataset consists of qualitative information (such as agricultural landuse types, crop rotation information, and soil classifications) and quantitative information (measurements of precipitation and runoff, calculation of P yield).


    map background search result map search result map Data used to evaluate the effects of field-level management practices on edge-of-field phosphorus loading in Minnesota and Wisconsin, 2004-17 Airborne Electromagnetic (AEM) Survey in Southwest and Southeast Areas, Wisconsin, 2022 Airborne Electromagnetic (AEM) Survey in Southwest and Southeast Areas, Wisconsin, 2022 Data used to evaluate the effects of field-level management practices on edge-of-field phosphorus loading in Minnesota and Wisconsin, 2004-17