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High resolution topography for two pools on the Carmel River, central California, 2014 to 2019 High-resolution topographic surveys were conducted at two pools on the Carmel River between 2014 and 2019 using a survey-grade total station. The Dam Reach pool (DMPOOL) is located within the Dam Reach, approximately 450 meters downstream of the former site of the San Clemente Dam. The Sleepy Hollow pool (SHPOOL) is located within the Sleepy Hollow reach, approximately 2.25 kilometers downstream of the former site of the San Clemente Dam. Both pools were surveyed in 2014, 2015, 2016, 2017, and 2019 using a total station, in conjunction with the channel cross-section surveys also conducted as part of this study (see accompanying file within this data release for topographic survey transect data). For the 2015 survey,... Categories: Data; Tags: Bathymetry and Elevation, CMGP, Carmel River, Carmel Valley, Coastal and Marine Geology Program, All tags... Monterey County, PCMSC, Pacific Coastal and Marine Science Center, San Clemente Dam, U.S. Geological Survey, USGS, field inventory and monitoring, gravel deposits, inland fishery resources, inlandWaters, inlandWaters, river reaches, river systems, topographic mapping, topography, Fewer tags Topographic survey transect endpoint coordinates along 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. This dataset contains the easting, northing, and elevation values of the river-right and river-left transect endpoint reference benchmarks (RBM and LBM) from survey transects at 10 survey reaches along the Carmel River, central California. Topographic surveys were completed on these transects during eight summer surveys (in 2013, 2014, 2015, 2016, 2017, 2019, 2020 and 2021). See accompanying file within this data release for elevation measurements. All data were collected in NAD83 UTM10N horizontal coordinates and NAVD88 Geoid 12B vertical coordinates,... Categories: Data; Tags: Bathymetry and Elevation, CMGP, Carmel River, Carmel Valley, Coastal and Marine Geology Program, All tags... Monterey County, PCMSC, Pacific Coastal and Marine Science Center, San Clemente Dam, U.S. Geological Survey, USGS, field inventory and monitoring, gravel deposits, inland fishery resources, inlandWaters, river reaches, river systems, topographic mapping, topography, Fewer tags Topographic digital surface model (DSM) for Whiskeytown Lake and surrounding area, 2018-12-02 This portion of the data release presents a digital surface model (DSM) and hillshade of Whiskeytown Lake and the surrounding area derived from Structure from Motion (SfM) processing of aerial imagery acquired on 2018-12-02. Unlike a digital elevation model (DEM), the DSM represents the elevation of the highest object within the bounds of a cell. Vegetation, buildings and other objects have not been removed from the data. In addition, data artifacts resulting from noise and vegetation in the original imagery have not been removed. However, in unvegetated areas such as reservoir shorelines and deltas, the DSM is equivalent to a DEM because it represents the ground surface elevation. The raw imagery used to create... Tags: Bathymetry and Elevation, CMHRP, Carr fire, Coastal and Marine Hazards and Resources Program, PCMSC, All tags... Pacific Coastal and Marine Science Center, State of California, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), Whiskeytown Lake, Whiskeytown-Shasta-Trinity National Recreation Area, aerial photography, elevation, fires, fragile ecosystems, geomorphology, image mosaics, photography, remote sensing, remote sensing, reservoir, topographic maps, topography, wildfires, Fewer tags Polycyclic aromatic hydrocarbons (PAHs) in the San Lorenzo River, Santa Cruz, California, USA, from 2015 to 2016 Polycyclic aromatic hydrocarbons (PAHs) are reported for water samples collected from the San Lorenzo River water during the rainy seasons from 2015 to 2016. Samples were collected during 2-, 5- and close to 10 year flood events. Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Organic Geochemistry, PCMSC, Pacific Coastal and Marine Science Center, All tags... San Lorenzo River, Santa Cruz County, State of California, U.S. Geological Survey, USGS, Water-Quality Parameters, chemical analysis, coastal pollution, floods, gas chromatography, geochemistry, inlandWaters, laboratory methods, suspended material (water), water quality, water quality, Fewer tags Bathymetric data for Whiskeytown Lake, December 2018 (ver. 2.0, July 2021) These metadata describe bathymetric data collected during a December 2018 SWATHPlus survey of Whiskeytown Lake, California. Data were collected and processed by the U.S. Geological Survey (USGS), Pacific Coastal and Marine Science Center (PCMSC) during fieldwork activity number 2018-686-FA. The bathymetric data are provided as a GeoTIFF image. Tags: Bathymetry, Bathymetry and Elevation, CMHRP, Coastal and Marine Hazards and Resources Program, PCMSC, All tags... Pacific Coastal and Marine Science Center, Seafloor Topography, State of California, U.S. Geological Survey, USGS, USGS:5dfbd23fe4b0cc5243395f60, Whiskeytown Lake, Whiskeytown-Shasta-Trinity National Recreation Area, bathymetry, bathymetry measurement, field observation, geoscientificInformation, geospatial datasets, interferometric sonar, lake bed, lakebed characteristics, marine geophysics, Fewer tags Suspended sediment concentration (SSC) in the San Lorenzo River, Santa Cruz, California, USA, from 2008 to 2019 Suspended-sediment concentrations are reported in mg/L for water samples collected from the San Lorenzo River during the rainy seasons from 2008 to 2019. Samples were collected during 2-, 5- and 10-year flood events. Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Organic Geochemistry, PCMSC, Pacific Coastal and Marine Science Center, All tags... San Lorenzo River, Santa Cruz County, State of California, U.S. Geological Survey, USGS, Water-Quality Parameters, chemical analysis, coastal pollution, floods, geochemistry, inland Waters, laboratory methods, suspended material (water), water quality, water quality, Fewer tags Digital surface model (DSM) and digital elevation model (DEM) of the Los Padres Reservoir delta, Carmel River valley, CA, 2017-11-01 This portion of the data release presents a digital surface model (DSM) and digital elevation model (DEM) of the exposed Los Padres Reservoir delta where the Carmel River enters the reservoir. The DSM and DEM have a resolution of 10 centimeters per pixel and were derived from structure-from-motion (SfM) processing of aerial imagery collected with an unoccupied aerial system (UAS) on 2017-11-01. The DSM represents the elevation of the highest object within the bounds of a cell, including vegetation, woody debris and other objects. The DEM represent the elevation of the ground surface where it was visible to the acquisiton system. Due to the nature of SfM processing, the DEM may not represent a true bare-earth surface... Categories: Data; Tags: Bathymetry and Elevation, CHMRP, Carmel River, Coastal and Marine Hazards and Resources Program, Monterey County, All tags... PCMSC, Pacific Coastal and Marine Science Center, SfM, State of California, Structure-from-motion, U.S. Geological Survey, UAS, USGS, Unmanned aerial system, aerial and satellite photography, aerial photography, altimetry, elevation, geomorphology, geoscientificInformation, geospatial datasets, image mosaics, orthophotography, photography, remote sensing, remote sensing, structure from motion, topographic maps, topography, Fewer tags Rain measurements in and near the Dolan Fire Area, Los Padres National Forest, California, 2022 to 2023 Rainfall measurements were collected in and near the Dolan Fire burn area, Los Padres National Forest, California. The CZU Fire ignited in Los Padres National Forest, California, on August 18, 2020. By the time of full containment on December 31, 2020, the fire had burned 518 km2 (128,050 acres) in Monterey County. The U.S. Geological Survey (USGS) installed seven rain gages in and near the Dolan Fire burn area in October 2021 to measure rainfall during two post-fire wet seasons. This data release contains rain records from the Mill Creek and upper Nacimiento River watersheds collected during water year 2023 (October 1, 2022, through spring 2023). Previous datasets from this region included an additional rain gage... Categories: Data; Tags: CMHRP, Climatology, Coastal and Marine Hazards and Resources Program, Monterey County, PCMSC, All tags... Pacific Coastal and Marine Science Center, State of California, U.S. Geological Survey, USGS, Water Quality, Water Resources, climatologyMeteorologyAtmosphere, environment, fire damage, precipitation (atmospheric), precipitation measurements, Fewer tags 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 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 Grain size and charcoal abundance in sediment samples from Los Padres reservoir, Carmel River watershed, California Sediment samples were collected from Los Padres reservoir in the Carmel River watershed, central California coast, between July 11 and 17, 2017, using a CME-45 barge-mounted drill rig, to characterize sedimentary properties in the reservoir deposits following the Soberanes Fire of 2016 and high river flows in winter 2017. Borehole samples were recovered using direct push coring with an Osterberg piston sampler operated by Taber Drilling Company of Sacramento, California, and overseen by AECOM, Inc. Sediment was recovered using a split-barrel sampler and a rotary drill bit was added to the sampler where needed to penetrate coarse sediment. Samples from four boreholes are described in this data release: three sampled... Categories: Data; Tags: CMHRP, Carmel River, Coastal and Marine Hazards and Resources Program, Data Content Subjects, Geomorphology, All tags... Nonliving Resources, PCMSC, Pacific Coastal and Marine Science Center, Sedimentology, U.S. Geological Survey, USGS, coastal change hazards topics, datasets, earth sciences, environment, field inventory and monitoring, geoscientificInformation, grain-size analysis, inlandWaters, Fewer tags Grain-size data for sediment samples collected in Whiskeytown Lake, northern California, in 2018 and 2019 This data release supersedes version 1.0, published in July 2021 at https://doi.org/10.5066/P9BHOPEP. Versioning details are documented in the accompanying Whiskeytown_VersionHistory.txt file The Carr Fire ignited in northern California in July 2018, and ultimately burned almost 300,000 acres (approximately half on federal lands), resulting in a federal major-disaster declaration (DR-4382). Approximately 93% of the area within Whiskeytown National Recreation Area was burned extensively during the Carr Fire, including all of the landscape surrounding and draining into Whiskeytown Lake. Whiskeytown Lake, a federally managed reservoir, subsequently acted as a sediment trap for material eroded from hillslopes and streambeds... Categories: Data; Tags: Assessments, CMHRP, Coastal and Marine Hazards and Resources Program, Material Resources, PCMSC, All tags... Pacific Coastal and Marine Science Center, Sedimentology, State of California, U.S. Geological Survey, USGS, Water Resources, Whiskeytown National Recreation Area, geoscientificInformation, grain size, land surface characteristics, reservoir sedimentation, sediment, sediment grain size, Fewer tags Rain measurements in the Dolan Fire Area, Los Padres National Forest, California, 2021 to 2022 Rainfall measurements were collected in and near the Dolan Fire burn area, Los Padres National Forest, California. The Dolan Fire ignited on August 18, 2020. By the time of full containment on December 31, 2020, the fire had burned 518 km2 (128,050 acres) in Monterey County. Post-fire debris flows occurred in many watersheds burned by the Dolan Fire during the first post-fire wet season, in winter 2021. The U.S. Geological Survey (USGS) installed seven rain gages within the Dolan Fire burn area in October 2021 to measure rainfall during the second post-fire wet season. The USGS gratefully acknowledges permission granted by Los Padres National Forest for the collection of these data. Categories: Data; Tags: CMHRP, Climatology, Coastal and Marine Hazards and Resources Program, Hydrology, PCMSC, All tags... Pacific Coastal and Marine Science Center, Santa Cruz County, State of California, U.S. Geological Survey, USGS, climatologyMeteorologyAtmosphere, environment, fire damage, precipitation (atmospheric), precipitation measurements, Fewer tags Aerial imagery from the UAS survey of the Los Padres Reservoir delta, Carmel River valley, CA, 2017-11-01 This portion of the data release presents the raw aerial imagery collected during the unoccupied aerial system (UAS) survey of the Los Padres Reservoir delta, Carmel River valley, CA, 2017-11-01. The imagery was acquired using a Department of Interior-owned 3DR Solo quadcopter fitted with a Ricoh GR II digital camera featuring a global shutter. The camera was mounted using a fixed mount on the bottom of the UAS and oriented in an approximately nadir orientation. A total of six flights were conducted for the survey between 19:35 and 22:15 UTC (12:35 and 15:15 PDT). Only the imagery from fights F03 and F06 were used for data processing and are included in this data release. All flights were conducted at an approximate... Categories: Data; Tags: Bathymetry and Elevation, CHMRP, Carmel River, Coastal and Marine Hazards and Resources Program, Monterey County, All tags... PCMSC, Pacific Coastal and Marine Science Center, State of California, Structure-from-motion, U.S. Geological Survey, UAS, USGS, Unmanned aerial system, aerial and satellite photography, aerial photography, altimetry, elevation, geomorphology, geoscientificInformation, geospatial datasets, image mosaics, orthophotography, photography, remote sensing, remote sensing, topographic maps, topography, Fewer tags Bathymetric data for Whiskeytown Lake, May 2019 (ver. 2.0, July 2021) These metadata describe bathymetric data collected during a May 2019 SWATHPlus survey of Whiskeytown Lake, California. Data were collected and processed by the U.S. Geological Survey (USGS), Pacific Coastal and Marine Science Center (PCMSC) during fieldwork activity number 2018-686-FA. The bathymetric data are provided as a GeoTIFF image. Tags: Bathymetry, Bathymetry and Elevation, CMHRP, Coastal and Marine Hazards and Resources Program, PCMSC, All tags... Pacific Coastal and Marine Science Center, Seafloor Topography, State of California, U.S. Geological Survey, USGS, USGS:5dfbeea5e4b0cc5243395ff8, Whiskeytown Lake, Whiskeytown-Shasta-Trinity National Recreation Area, bathymetry, bathymetry measurement, field observation, geoscientificInformation, geospatial datasets, interferometric sonar, lake bed, lakebed characteristics, marine geophysics, Fewer tags Orthomosaic imagery for Whiskeytown Lake and surrounding area, northern California, 2020-11-10 This portion of the data release presents an RGB orthomosaic image of Whiskeytown Lake and the surrounding area derived from Structure from Motion (SfM) processing of aerial imagery acquired on 2020-11-10. The orthomosaic is available in a high-resolution 5-centimeter (cm) version, as well as a medium-resolution 25 cm version. The high-resolution version is divided into two tiles (east and west) to reduce file download sizes. All imagery is provided in a three-band cloud optimized GeoTIFF format, with 8-bit unsigned integer values compressed using high-quality JPEG compression. The raw imagery used to create the orthomosaic image was acquired from a manned aircraft on 2020-11-10. The acquisition flight was conducted... Tags: Bathymetry and Elevation, CMHRP, Carr fire, Coastal and Marine Hazards and Resources Program, PCMSC, All tags... Pacific Coastal and Marine Science Center, State of California, U.S. Geological Survey, USGS, Whiskeytown Lake, Whiskeytown-Shasta-Trinity National Recreation Area, aerial photography, elevation, fires, fragile ecosystems, geomorphology, image mosaics, photography, remote sensing, remote sensing, reservoir, topographic maps, topography, wildfires, Fewer tags Topographic digital surface model (DSM) for Whiskeytown Lake and surrounding area, 2020-11-10 This portion of the data release presents a digital surface model (DSM) and hillshade of Whiskeytown Lake and the surrounding area derived from Structure from Motion (SfM) processing of aerial imagery acquired on 2020-11-10. Unlike a digital elevation model (DEM), the DSM represents the elevation of the highest object within the bounds of a cell. Vegetation, buildings and other objects have not been removed from the data. In addition, data artifacts resulting from noise and vegetation in the original imagery have not been removed. However, in unvegetated areas such as reservoir shorelines and deltas, the DSM is equivalent to a DEM because it represents the ground surface elevation. The raw imagery used to create... Tags: Bathymetry and Elevation, CMHRP, Carr fire, Coastal and Marine Hazards and Resources Program, PCMSC, All tags... Pacific Coastal and Marine Science Center, State of California, U.S. Geological Survey, USGS, Whiskeytown Lake, Whiskeytown-Shasta-Trinity National Recreation Area, aerial photography, elevation, fires, fragile ecosystems, geomorphology, image mosaics, photography, remote sensing, remote sensing, reservoir, topographic maps, topography, wildfires, Fewer tags Bathymetric data for Whiskeytown Lake, September 2020 These metadata describe bathymetric data collected during a September 2021 SWATHPlus survey of Whiskeytown Lake, California. Data were collected and processed by the U.S. Geological Survey (USGS), Pacific Coastal and Marine Science Center (PCMSC) during fieldwork activity number 2018-686-FA. The bathymetric data are provided as a GeoTIFF image. Tags: Bathymetry, Bathymetry and Elevation, CMHRP, Coastal and Marine Hazards and Resources Program, PCMSC, All tags... Pacific Coastal and Marine Science Center, Seafloor Topography, State of California, U.S. Geological Survey, USGS, Whiskeytown Lake, Whiskeytown-Shasta-Trinity National Recreation Area, bathymetry, bathymetry measurement, field observation, geoscientificInformation, geospatial datasets, interferometric sonar, lake bed, lakebed characteristics, marine geophysics, Fewer tags Lead, Radium, Cesium, and Thorium isotope activity in sediment samples from Los Padres reservoir, Carmel River watershed, California Sediment samples were collected from Los Padres reservoir in the Carmel River watershed, central California coast, between July 11 and 17, 2017, using a CME-45 barge-mounted drill rig, to characterize sedimentary properties in the reservoir deposits following the Soberanes Fire of 2016 and high river flows in winter 2017. Borehole samples were recovered using direct push coring with an Osterberg piston sampler operated by Taber Drilling Company of Sacramento, California, and overseen by AECOM, Inc. Sediment was recovered using a split-barrel sampler and a rotary drill bit was added to the sampler where needed to penetrate coarse sediment. Samples from three boreholes are described in this data release: two sampled... Categories: Data; Tags: CMHRP, Carmel River, Coastal and Marine Hazards and Resources Program, Data Content Subjects, Geochemistry, All tags... Nonliving Resources, PCMSC, Pacific Coastal and Marine Science Center, Sciences, Sedimentology, U.S. Geological Survey, USGS, coastal change hazards topics, environment, geoscientificInformation, inlandWaters, Fewer tags Topographic point cloud of the Los Padres Reservoir delta, Carmel River valley, CA, 2017-11-01 This portion of the data release presents a topographic point cloud of the exposed Los Padres Reservoir delta where the Carmel River enters the reservoir. The point cloud was derived from structure-from-motion (SfM) processing of aerial imagery collected with an unoccupied aerial system (UAS) on 2017-11-01. The point cloud has 115,819,907 points with an average point density of 611 points per-square meter. Each point in the point cloud contains an explicit horizontal and vertical coordinate, color, intensity, and classification. Classification was performed on the point cloud to identify ground and low-noise points within the point cloud. Additional portions of the point cloud within the horizontal extent of the... Categories: Data; Tags: Bathymetry and Elevation, CHMRP, Carmel River, Coastal and Marine Hazards and Resources Program, Monterey County, All tags... PCMSC, Pacific Coastal and Marine Science Center, SfM, State of California, Structure-from-motion, U.S. Geological Survey, UAS, USGS, Unmanned aerial system, aerial and satellite photography, aerial photography, altimetry, elevation, geomorphology, geoscientificInformation, geospatial datasets, image mosaics, orthophotography, photography, remote sensing, remote sensing, structure from motion, topographic maps, topography, Fewer tags 1 2 »