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Found 1525 dataset(s) matching "grain".
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This dataset contains surface sediment grain size distributions derived from manual point counts of in situ seafloor images obtained with an underwater camera system in the lower Columbia River,...
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This dataset contains surface sediment grain diameter measurements from in situ seafloor images collected in the lower Columbia River, Washington and Oregon, in 2021. Surface sediment grain...
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Grain-size data, including grain size, cumulative frequency, and median, was determined from samples collected at three bluff locations in the vicinity of Wainwright, Alaska. The different...
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Tephra samples from the Kulanaokuaiki Tephra Member (400 to 1000 C.E.) of the Uwēkahuna Ash (200 B.C.E. to 1000 C.E.) were sampled from Kīlauea volcano, Island of Hawai‘i. Samples were analyzed by...
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Sediment grab samples were collected on the barriers and nearby seabed on and around Arey and Barter Islands, Alaska in July 2011 and analyzed for mean grain size. 43 terrestrial grab samples were...
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Fluvial sediment samples were collected from the lowermost reaches of 21 coastal watersheds in California, in order to characterize surficial grain size of river sediment from deposits that...
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The size and distribution of riverbed grain size plays a foundational role in river morphology and ecology. This study (White and others, 2025) quantifies submerged riverbed grain size at high...
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This data release includes grain-size measurements on sediment samples collected from the substrate surface and uppermost 10 cm of sediment deposits in the Klamath River estuary, northern...
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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....
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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....
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Pebble counts were performed to assess the bed surface grain size distribution at five delineated mussel habitats in the Big River, Missouri. These data were collected in support of research...
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<p>Our goals were to 1) isolate, and culture two fungal morphotypes, 2) characterize the volatile emissions from grain inoculated by each fungal morphotype (<em>Aspergillus flavus</em> or...
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Pebble counts were performed to assess the bed surface grain size distribution at different habitats within a reach of the Big River near Washington State Park, Missouri. These data were collected...
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This digital dataset defines the SUB package arrays for the model grid, critical head, thickness of fine-grained deposits, and skeletal-elastic-storage used in the transient hydrologic model of...
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Mercury (Hg) is a well-known toxic element and environmental contaminant. The central valley of California has long been identified as a hotspot for Hg contamination due to the historic mining of...
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<p dir="ltr">This dataset consists of growth and yield data for each year when maize (<i>Zea mays</i>, L., also known as corn in the United States) was grown for grain at the USDA-ARS Conservation...
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Sediment cores were collected from intertidal flats and shallow subtidal areas throughout the Coos Bay Estuary in May 2021 using a push corer or Russian peat corer as outlined in Souza et al.,...
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<p><strong>Insects</strong> Two different populations of <em>Prostephanus truncatus</em> were used in the bioassays, one originated from the invaded range in Ghana, and the other from the native...
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In 2015, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center (USGS SPCMSC) conducted sediment sampling surveys on and around the barrier islands of Dauphin...
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This data release includes grain-size data from sediment samples collected in submerged and subaerial regions in Whiskeytown Lake and around the reservoir margin. Sediment samples were collected...