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Sediment grain-size data from the Klamath estuary, California This data release supersedes version 1.0, published in November 2021 at https://doi.org/10.5066/P9CAZIHJ. Versioning details are documented in the accompanying Klamath_Grainsize_VersionHistory.txt file. This data release includes grain-size measurements of sediment samples collected from the substrate surface and uppermost 10 cm of sediment deposits in the Klamath estuary, northern California. Samples were collected using a BMH-60 bed-material sampler deployed from a boat, or by hand trowel from subaerial or shallow-water (less than 0.5 m water depth) regions along the estuary margins and side channels. Sediment grain size was analyzed at the U.S. Geological Survey (USGS) laboratory in Santa Cruz, Calif. Particles... Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Del Norte County, Distributions, Geomorphology, All tags... Klamath basin, PCMSC, Pacific Coastal and Marine Science Center, Sedimentology, State of California, U.S. Geological Survey, USGS, environment, estuary, field sampling, geoscientificInformation, grain size, grain-size analysis, land surface characteristics, sediment, sediment grain size, Fewer tags Chloride in water, metals in sediment and amphibian tissues and amphibian capture information from wetlands in the Williston Basin of Montana and North Dakota, 2015-2017 The data presented includes chloride concentration and specific conductance in surface water collected from 33 wetlands in the Williston Basin of Montana and North Dakota, 2015-2017 as well as count data for three species of amphibians captured at each wetland. Data also includes concentrations of metals in bed sediment and larval amphibians collected from 32 and 12 wetlands, respectively in 2015-2016. Abundance of barred tiger salamanders (Ambystoma mavortium), boreal chorus frogs (Pseudacris maculata), northern leopard frogs (Lithobates pipiens) was estimated at 33 wetlands from 2015-2017. Surface water was collected in the summer from each wetland in 2015-2017 at the same time as the amphibian surveys and analyzed... Tags: Aquatic Biology, Bakken, Ecology, Metal, Prairie Pothole Region, All tags... USGS Science Data Catalog (SDC), Water Quality, Wildlife Biology, Williston Basin, amphibians, chloride concentration, energy resources, Fewer tags Input and output data for the Precipitation-Runoff Modeling System (PRMS) used to predict seasonal water availability during 2000-2015 in the Upper Klamath River Basin, Oregon and California This data release contains the model input and output data, and supporting files, from hydrologic simulations of streamflow conditions in the upper Klamath River Basin using the Precipitation-Runoff Modeling System (PRMS). The model was calibrated for the portion of the basin draining into Upper Klamath Lake. It simulates daily streamflow, snow, solar radiation, evapotranspiration, surface-water, and groundwater processes within the basin. The model calibration period spanned water years 2000 through 2015, and the model validation period spanned water years 1984 through 1999. The model was calibrated and validated using measured streamflow, snowpack, evapotranspiration, and solar radiation data sets. Categories: Data; Tags: California, Hydrology, Oregon, USGS Science Data Catalog (SDC), Upper Klamath, All tags... Water Resources, environment, inlandWaters, modeling, streamflow, water resources, Fewer tags Widespread legacy brine contamination from oil shales reduces survival of chorus frog larvae-Data Advances in drilling technique have facilitated a rapid increase in hydrocarbon extraction from energy shales, including the Williston Basin in central North America. This area overlaps with the Prairie Pothole Region and greater than 35% of wetlands are less than or equal to 1 km from a petroleum-related well. Legacy practices often released saline co-produced waters (brines) that were chloride rich wastes, affecting wetland water quality directly or persisting in sediments. Despite the potential threat of brine contamination to aquatic habitats, there has been little research into their ecological effects. We capitalized on a gradient of legacy brine-contaminated wetlands in northeast Montana to conduct laboratory... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Amphibians, Environment, Prairie Pothole Region, USGS Science Data Catalog (SDC), West Bearskin Lake, All tags... Wetland ecosystems, Williston Basin, aquatic biology, salinization, water pollution, water quality, Fewer tags Sediment grain-size data from the Klamath estuary, California Note: this data release has been depecrated. Find the updated version here: https://doi.org/10.5066/P9MAJHNI This data release includes grain-size measurements of sediment samples collected from the substrate surface and uppermost 10 cm of sediment deposits in the Klamath estuary, northern California. Samples were collected using a BMH-60 bed-material sampler deployed from a boat, or by hand trowel from subaerial or shallow-water (less than 0.5 m water depth) regions along the estuary margins and side channels. Sediment grain size was analyzed at the U.S. Geological Survey (USGS) laboratory in Santa Cruz, Calif. Particles coarser than 2 mm were sieved using a RO-TAP sieve shaker, and particles finer than 2 mm were... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Del Norte County, Distributions, Klamath basin, All tags... PCMSC, Pacific Coastal and Marine Science Center, Sedimentology, State of California, U.S. Geological Survey, USGS, environment, estuary, field sampling, geoscientificInformation, grain size, grain-size analysis, land surface characteristics, sediment, sediment grain size, Fewer tags