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Browsing by Author "Burket, Martha"

Now showing 1 - 2 of 2
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    Reflectance spectra and related water quality and color data from 325 Minnesota and Wisconsin lakes and rivers
    (2023-01-23) Olmanson, Leif G; Burket, Martha; Brezonik, Patrick L; olman002@umn.edu; Olmanson, Leif G
    This data set contains in situ reflectance spectra measured on 325 lakes and a few rivers broadly across the states of Minnesota and Wisconsin. The spectra were measured at the water surface at 1-nm intervals over the wavelength range 400-900 nm and are called "hyperspectra." Associated data include site identifications, key optical water quality variables measured on samples collected at the time of the reflectance measurements, two quantitative metrics of water color, dominant wavelength and hue angle, calculated from the hyperspectra, and values of the same two water-color metrics computed from simulated data for three satellite sensors (Sentinel-2 MSI, Sentinel-3 OLCI, and Landsat 8 OLI) derived from the hyperspectra using two published algorithms. The computed results are used to compare the reliability of the two published algorithms relative to the results obtained directly from the hyperspectra, which are considered to be the "true" values of dominant wavelength and hue angle metrics. In addition, the data set includes MATLAB code used in the computations.
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    Stormwater Infiltration Siting for the City of Edina
    (Resilient Communities Project (RCP), University of Minnesota, 2022) Anderson, Karina; Burket, Martha; Gallagher, Noah; Turner, Owen
    This project was completed as part of a partnership between the City of Edina and the University of Minnesota’s Resilient Communities Project (http://rcp.umn.edu). The goal of this project was to identify areas where stormwater infiltration is both technically feasible and protective of the community’s drinking water source. City of Edina project lead Jessica Wilson collaborated with a team of students in Robert Krussow's course CEGE 4102W in the U of MN College of Science and Engineering to create an ArcGIS-based mapping tool to evaluate the suitability of areas for infiltration-based stormwater control measures. A final student report and presentation slides from the project are available.