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Strontium isotope, amino acid, and fossil taxonomy data to aid in identifying instances of marine terrace reoccupation on Anacapa and San Miguel Islands, California, USA In areas of low uplift rate on the Pacific Coast of North America, reoccupation of emergent marine terraces by later high-sea stands has been hypothesized to explain the existence of thermally anomalous faunas (mixtures of warm and cool species) of last interglacial age. If uplift rates have been low for much of the Quaternary, it follows that higher (older) terraces should also show evidence of reoccupation. Strontium isotope analyses of fossils from a high-elevation marine terrace on Anacapa Island, California yield a suite of ages ranging from ~2.4-2.3 Ma to ~1.4-1.5 Ma. These results indicate that terrace reoccupation and fossil mixing on Anacapa Island could have taken place over several interglacial periods... Categories: Data; Tags: Anacapa Island, California, Channel Islands National Park, Climatology, Geochemistry, All tags... Geomorphology, Marine Geology, San Miguel Island, Strontuim isotope geochronology, U-series dating, USGS Science Data Catalog (SDC), amino acid geochronology, last interglacial, marine terrace, paleontology, paleozoogeography, sea level, Fewer tags Interpretation of the seabed geologic substrates in quadrangle 5 of the Stellwagen Bank National Marine Sanctuary region offshore of Boston, Massachusetts based on data collected by the U.S. Geological Survey from 1993-2019 The U.S. Geological Survey (USGS), in cooperation with the National Marine Sanctuary Program of the National Oceanic and Atmospheric Administration (NOAA), has conducted seabed mapping and related research in the Stellwagen Bank National Marine Sanctuary (SBNMS) region since 1993. The interpretive datasets and source information presented here are for quadrangle 5, which is one of 18 similarly sized segments of the 3,700 square kilometer (km2) SBNMS region. The seabed of the SBNMS region is a glaciated terrain that is topographically and texturally diverse. Quadrangle 5 includes the shallow, rippled, coarse-grained sandy crest and upper eastern and western flanks of southern Stellwagen Bank, its fine-grained sandy... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Atlantic Ocean, Boston, Massachusetts, CMGP, Coastal and Marine Geology Program, Esri shapefile, All tags... Massachusetts, Massachusetts Bay, NOAA, National Oceanic and Atmospheric Administration, North America, Stellwagen Bank, Stellwagen Bank National Marine Sanctuary, U.S. Geological Survey, U.S. east coast, USGS, United States, WHCMSC, Woods Hole Coastal and Marine Science Center, environment, geologic substrates, geology, geoscientificInformation, geospatial datasets, interpretation, marine geology, oceans, polygon, quadrangle 5, scientific interpretation, sea-floor characteristics, seabed geology, sediment mobility, substrate, substrate distribution, substrate grain size, substrate mobility, substrate mud content, Fewer tags Metals and PAHs in watershed soil and reef sediment at Olowalu and leeward Maui, February 2022 Fine-sediment elemental chemistry and short-lived cosmogenic radionuclides (Beryllium-7, Cesium-137, and Lead-210) were quantified to describe land-based sediment sources and runoff to Olowalu Reef in February 2022. Charcoal counts, total organic carbon contents, and 76 urban- and wildfire-associated contaminants called polycyclic aromatic hydrocarbons (PAHs) were quantified to explore urban and wildfire effects in watersheds above Olowalu Reef and in reef sediment. Sampling occurred approximately two months after winter flooding and one month after tsunamigenic waves impinged on the Maui shore from the eruption of Hunga-Tonga volcano in the South Pacific. The USGS Coastal and Marine Hazards and Resources Program... Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Environmental Health, Geochemistry, Kealaloloa Ridge, All tags... Kihei, Kulanihakoi Gulch, Land Use Change, Maalaea, Manawaipueo Gulch, Marine Geology, Maui, Olowalu Stream, Opunaha Gulch, PCMSC, Pacific Coastal and Marine Science Center, Papalaua, Soil Sciences, Substrate, U.S. Geological Survey, USGS, Ukuhemame Gulch, Waiakoa Gulch, Waikapu Stream, Water Quality, cesium-137 dating, environment, environmental chemistry, fires, fringing reef, geochemistry, geoscientificInformation, lava flow, mercury analysis, radiometric dating, sediment geochemistry, stream, volcanic island, watershed, Fewer tags Portion of the 1-meter (m) contours in quadrangle 5 of the Stellwagen Bank Survey Area offshore of Boston, Massachusetts based on bathymetry data collected by the U.S. Geological Survey from 1994-1996 The U.S. Geological Survey (USGS), in cooperation with the National Marine Sanctuary Program of the National Oceanic and Atmospheric Administration (NOAA), has conducted seabed mapping and related research in the Stellwagen Bank National Marine Sanctuary (SBNMS) region since 1993. The interpretive datasets and source information presented here are for quadrangle 5, which is one of 18 similarly sized segments of the 3,700 square kilometer (km2) SBNMS region. The seabed of the SBNMS region is a glaciated terrain that is topographically and texturally diverse. Quadrangle 5 includes the shallow, rippled, coarse-grained sandy crest and upper eastern and western flanks of southern Stellwagen Bank, its fine-grained sandy... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Atlantic Ocean, Boston, Massachusetts, CMHRP, Coastal and Marine Hazards and Resources Program, Esri polyline shapefile, All tags... Massachusetts, Massachusetts Bay, NOAA, National Oceanic and Atmospheric Administration, North America, Stellwagen Bank, Stellwagen Bank National Marine Sanctuary, U.S. Geological Survey, U.S. east coast, USGS, United States, WHCMSC, Woods Hole Coastal and Marine Science Center, bathymetry, bathymetry, contours, elevation, geomorphology, marine geology, oceans, quadrangle 5, sea-floor characteristics, sea-floor topography, topography, Fewer tags Station locations in quadrangle 5 in Stellwagen Bank National Marine Sanctuary offshore of Boston, Massachusetts where video, photographs and sediment samples were collected by the U.S. Geological Survey from 1993-2015 - includes sediment sample analyses and interpreted geologic substrate The U.S. Geological Survey (USGS), in cooperation with the National Marine Sanctuary Program of the National Oceanic and Atmospheric Administration (NOAA), has conducted seabed mapping and related research in the Stellwagen Bank National Marine Sanctuary (SBNMS) region since 1993. The interpretive datasets and source information presented here are for quadrangle 5, which is one of 18 similarly sized segments of the 3,700 square kilometer (km2) SBNMS region. The seabed of the SBNMS region is a glaciated terrain that is topographically and texturally diverse. Quadrangle 5 includes the shallow, rippled, coarse-grained sandy crest and upper eastern and western flanks of southern Stellwagen Bank, its fine-grained sandy... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Atlantic Ocean, Boston, Massachusetts, CMHRP, Coastal and Marine Hazards and Resources Program, Esri point shapefile, All tags... Excel spreadsheet, Massachusetts, Massachusetts Bay, NOAA, National Oceanic and Atmospheric Administration, North America, Stellwagen Bank, Stellwagen Bank National Marine Sanctuary, U.S. Geological Survey, U.S. east coast, United States, WHCMSC, Woods Hole Coastal and Marine Science Center, environment, geologic substrates, geoscientificInformation, geospatial datasets, grain size, marine geology, oceans, photo stations, scientific interpretation, sea-floor characteristics, seabed geology, sediment analysis, sediment sample locations, sediment samples, substrate geology, video stations, Fewer tags