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Data release of Bathymetric Map, Surface Area, and Capacity of Grand Lake O' the Cherokees, Northeastern Oklahoma, 2019 Data release of Bathymetric Map, Surface Area, and Capacity of Grand Lake O' the Cherokees, Northeastern Oklahoma, 2019
The U.S. Geological Survey in cooperation with the Grand River Dam Authority completed a high-resolution multibeam bathymetric survey to compute a new capacity and surface-area table. The capacity and surface-area tables describe the relation between the elevation of the water surface and the volume of water that can be impounded at each given water-surface elevation. The capacity and...
X-ray diffraction data of sediment samples from Hastings, Nebraska X-ray diffraction data of sediment samples from Hastings, Nebraska
X-ray diffraction (XRD) data were collected by the U.S. Geological Survey (USGS) in 2015 and 2016 on sediment core samples collected near Hastings, Nebraska, by the University of Nebraska at Lincoln (UNL) to inform aquifer sediment composition, mineralogical composition of operationally defined size fractions, and geochemical modeling. The sediment cores were collected near Hastings...
Mercury concentrations and isotopic compositions in biota and sediments from the Hannibal Pool of the Ohio River Mercury concentrations and isotopic compositions in biota and sediments from the Hannibal Pool of the Ohio River
The Hannibal Pool of the Ohio River is heavily industrialized and receives direct effluent discharges from coal power plants, chlor-alkali plants, and sewage treatment facilities. Mercury (Hg) is a contaminant of concern due to the risk of bioaccumulation at wildlife refuges also located within this region. Mercury concentrations and isotopes compositions were measured to assess the...
Trace-element concentrations in water, streambed sediment, and aquatic invertebrates at select locations in the Klamath River and major tributaries, 2018-2019 Trace-element concentrations in water, streambed sediment, and aquatic invertebrates at select locations in the Klamath River and major tributaries, 2018-2019
The U.S. Geological Survey is monitoring concentrations of metals and other trace elements in water, streambed sediment, and aquatic invertebrates at 6 locations in the middle and lower portions of the mainstem Klamath River from below J.C. Boyle dam in Oregon to near the mouth on the northwestern coast of California. Included are 3 tributary monitoring sites, one each on the Scott...
Two videos of acrobat ants (Crematogaster sp.) preying on applesnail (Pomacea maculate) egg masses Two videos of acrobat ants (Crematogaster sp.) preying on applesnail (Pomacea maculate) egg masses
The videos of ant (Crematogaster sp.) predation on giant applesnail (Pomacea maculata) egg masses were taken on September 24 of 2018 at the Hudson Woods Unit of the Texas Mid-Coast National Wildlife Refuge Complex (29 degrees 09'52" N, 95 degrees 30'5" W). Jennifer Wilson (US Fish and Wildlife Service) took the videos using a smart phone.
Burmese python acceleration and location data, Everglades National Park, 2010 - 2012 Burmese python acceleration and location data, Everglades National Park, 2010 - 2012
The dataset contains 3 components: (1) acceleration data logger (ADL) data, (2) GPS location data, and (3) body temperature data. We have ADL data from pythons in captivity (N = 2) and in free-ranging snakes (N=4). We have GPS data for 3 out of 4 free-ranging snakes. We have body temperature data for all 4 free-ranging snakes.