Fleck, J.A., Marvin-DiPasquale, M.C., Bergamaschi, B.A., Windham-Myers, L., Alpers, C.N., Hestir, E.L., Avouris, D.M., O'Donnell, K., Oros, D.M., Hansen, A., Watanabe, P.T., Sushch, D., DeParsia, E., Sturgeon, C.L., Delascagigas, A., Hansen, J.A., Burau, D.J., Agee, J.L., Kieu, L.H., Kakouros, E., and Baesman, S.M., 2023, High resolution and discrete temporal and spatial water-quality measurements in support of modeling mercury and methylmercury concentrations in surface waters of the Sacramento-San Joaquin River Delta: U.S. Geological Survey data release, https://doi.org/10.5066/P9O85MN7.
This data release is in partial fulfillment of an agreement between the U.S. Geological Survey and the University of California, Merced, related to a study funded through the California Department of Fish and Wildlife (PROPOSAL #: P1896056-01, TITLE: High Resolution Temporal and Spatial Mapping of Mercury in Surface Waters of the San Francisco Bay Delta), as part of the California Proposition 1 Water Quality, Supply, and Infrastructure Improvement Act of 2014. The overarching goal of this study was to develop models that can estimate surface-water concentrations of four mercury species (particulate and filter-passing fractions of THg and MeHg) using a trio of high-resolution water-quality data collection platforms. The data compiled here represent the comprehensive collection of all field and laboratory data collected for a discrete location and timestamp for use in developing models for predicting THg and MeHg in the dissolved and particulate phases. All models developed using this file can then be used to generate high frequency timeseries of mercury species for the continuous monitoring stations (CMS) and high spatial resolution maps of mercury species from the boat-based measurements.
