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Filters Date Range Past year (2) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Jason Chaytor U.S. Geological Survey - ScienceBase Woods Hole Coastal and Marine Science Center Brian Buczkowski Paul E Grams More... Categories Data (5) Tag Types Theme (6) Place (6) USGS Scientific Topic Keyword (2) Harvest Set (1) Tag Schemes None (5) USGS Thesaurus (5) General (2) Geographic Names Information System (GNIS) (2) USGS Biocomplexity Thesaurus (1) Geographic Names Information Systems (1) ISO 19115 Topic Category (3) More... View Results as: JSON ATOM CSV

Grain size data from the Carmel River, central California, 2013 to 2021 (ver. 2.0, March 2022) This data release supersedes version 1, published in 2017 under https://doi.org/10.5066/F74M93HF. Please see Version_History_P9HG8UDS.txt below for more information. Pebble-count data were collected during summer surveys (2013, 2015, 2016, 2017, 2018, 2019, 2020, and 2021) at ten sites along the Carmel River, California. Grain-size measurements were made at four to six transects per site using a 0.5 by 0.5 m sampling frame, with approximately 100 sediment-particle counts per transect. Each transect was defined by coordinates on the left and right sides of the river, and sediment grain sizes were measured at five equally spaced locations within the bankfull channel on the transect defined by those endpoint coordinates... Categories: Data; Tags: CMHRP, Carmel River, Carmel Valley, Coastal and Marine Hazards and Resources Program, Monterey County, All tags... PCMSC, Pacific Coastal and Marine Science Center, San Clemente Dam, Substrate, U.S. Geological Survey, USGS, field inventory and monitoring, grain-size analysis, gravel deposits, inland fishery resources, inlandWaters, river bank, river channel, river reaches, river systems, sediment deposition, sieve-size analysis, Fewer tags Acid neutralization potential and grain size analysis of modern and legacy iron and steel slag from the Chicago-Gary area of Illinois and Indiana, USA These data represent the acid neutralization potential and grain size analysis of 13 samples, 2 duplicate samples, of modern and legacy iron and steel slag from the Chicago-Gary area of Illinois and Indiana, USA. Categories: Data; Tags: Chicago, Cook County, Gary, Illinois, Indiana, All tags... Indiana Harbor, Lake County, geochemistry, grain-size analysis, sieve-size analysis, Fewer tags Sedimentological and geotechnical analyses of marine sediment cores from the New England Mud Patch Variability in sediment properties with depth and the thickness of individual sedimentary layers are critical determinants of seabed acoustic response. The New England Mud Patch, located south of Cape Cod, is an unusual feature on the U.S. Continental Shelf in that it is composed of fine-grained sediment layers containing a relatively-homogeneous mix of sand, silt, and clay-sized particles bounded by more typical sandy shelf sediments. The unique characteristics and nature of this deposit is due to a derivation of sediments that have been transported to, and deposited in, a basal bowl-shaped depression since the last glacial maximum. Ninety-two piston, vibra-, and gravity cores with a maximum length of 8.2 meters... Categories: Data; Tags: Atlantic, GPS measurement, Holocene, Marine Geology, Martha's Vineyard, All tags... Massachusetts, NEMP, New England Mud Patch, Seabed Experiment Area, Sedimentology, Stratigraphy, U.S. Continental Shelf, biostratigraphy, bulk density, carbon, chemical analysis, clay deposits, core analysis, drilling and coring, earth material properties, faunal and floral census (microscopic), fossils, geolocation measurement, geology, grain-size analysis, gravity coring, image collections, magnetic susceptibility, magnetism, micropaleontology, paleontology, piston coring, porosity, sand deposits, sedimentology, sieve-size analysis, soil moisture, stratigraphy, subsampling, unconsolidated deposits, vibracoring, x-ray diffraction, Fewer tags Grain-size analyses of sediment cores from the Currituck Landslide Complex and upper slope adjacent to Baltimore Canyon collected on USGS Field Activity 2012-007-FA Twenty-four piston cores (and associated trigger cores) were collected from the source zone of the Currituck Landslide Complex and upper slope adjacent to Baltimore Canyon by the U.S. Geological Survey and the University of Rhode Island Department of Ocean Engineering during an eight-day cruise aboard the R/V Hugh R. Sharp in September/October of 2012. These cores were analyzed for evidence of seafloor mass transport processes, with an emphasis on constraining the age and shallow stratigraphy of the landslide complex. Sedimentological and geotechnical characterization of the cores was carried out through whole core imaging and description, followed by analysis of discrete samples at the USGS Woods Hole Coastal and... Categories: Data; Tags: Atlantic, Baltimore Canyon, Cruise ID HRS1209, Currituck Landslide, Holocene, All tags... Hugh R. Sharp, Maryland, North Carolina, U.S. Continental Shelf, U.S. Geological Survey, USGS, Virginia, WHCMSC, WHCMSC Field Activity 2012-007-FA, Woods Hole Coastal and Marine Science Center, clay, clay deposits, core analysis, cores, geology, geoscientificInformation, grain-size, grain-size analysis, gravel, oceans, piston cores, piston coring, sand, sand deposits, sediment samples, sedimentology, sieve-size analysis, silt, trigger cores, unconsolidated deposits, Fewer tags Grain size analyses of sediment cores from the New England Mud Patch collected on USGS Field Activity 2016-001-FA Variability in sediment properties with depth and the thickness of individual sedimentary layers are critical determinants of seabed acoustic response. The New England Mud Patch (NEMP), located south of Cape Cod, is an unusual feature on the U.S. Continental Shelf in that it is composed of fine-grained sediment layers containing a relatively-homogeneous mix of sand, silt, and clay-sized particles bounded by more typical sandy shelf sediments. The unique characteristics and nature of this deposit is due to a derivation of sediments that have been transported to, and deposited in, a basal bowl-shaped depression since the last glacial maximum. Ninety-two piston, vibra-, and gravity cores with a maximum length of 8.2... Categories: Data; Tags: Atlantic, Cruise ID EN577, Holocene, Martha's Vineyard, Massachusetts, All tags... NEMP, New England Mud Patch, R/V Endeavor, Seabed Experiment Area, U.S. Continental Shelf, U.S. Geological Survey, USGS, WHCMSC, WHCMSC Field Activity 2016-001-FA, Woods Hole Coastal and Marine Science Center, acoustic cores, clay, clay deposits, core analysis, cores, geology, grain-size, grain-size analysis, gravel, gravity coring, oceans, piston cores, piston coring, sand, sand deposits, sediment samples, sedimentology, sieve-size analysis, silt, trigger cores, unconsolidated deposits, vibracores, vibracoring, Fewer tags Tributary sand input data, Colorado River, Grand Canyon National Park, Arizona These data were compiled from sampling pre-dam flood terraces and sand bar deposits of the Colorado River in Glen Canyon between Glen Canyon Dam and the Paria River confluence. This includes sand deposits from the 2008, 2012, 2013 and 2014 high flow experiments (HFE) in Marble Canyon. Sand sources from these locations were sampled in September/October of 2013 and 2014. Also, samples of suspended sediment from a selection of Paria River flash floods that preceded the 2013 and 2014 high flow experiments were collected. The suspended sediment samples were wet sieved to separate the <63-micron fraction at the Grand Canyon Monitoring and Research Center. A Niton XL3-t 955 portable XRF was used to measure the elemental... Tags: Arizona, Colorado River, Geochemistry, Geography, Geomorphology, All tags... Glen Canyon, Glen Canyon Dam, Grand Canyon, Hydrology, Information Sciences, Marble Canyon, MixSIAR, Niton XL3-t 955 portable XRF, Paria River, Sedimentology, USGS Science Data Catalog (SDC), Water Quality, Water Resources, X-ray fluorescence, alluvial terraces, bulk elemental composition, deposition features, field sampling, flash floods, floods, grain size, grain-size analysis, high flow experiment, measurements, post-dam, samples, sampling, sand, sand deposits, sand stores, sandbar, sandbar deposits, sediment, sediment analysis, sediment fingerprinting, sedimentation, sieve-size analysis, source contribution, suspended sediment samples, terrace, wet-sieved, Fewer tags