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Topographic data were collected along study reach 1 in Caulks Creek in Wildwood, Missouri, on multiple dates, using terrestrial light detection and ranging (t-lidar), Global Navigation Satellite System (GNSS), and conventional surveying techniques (Rydlund and Densmore, 2012). These data are high-resolution topography in laser scan format, collected using a tripod mounted t-lidar at multiple scan setups. Data collection software integrated and stored the range and angular measurements from the t-lidar equipment. Computer software was used to process the raw data, align the various scans in reference to one another, classify the data, and extract the topography data in a useable format. The topographic data are provided...
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This child item contains bathymetric measurements of the channel geometry suitable for use in computing cross-sectional area for each field site. Each Field Site is abbreviated in various files in this data release. File and folder names quickly identify which site a particular file or dataset represents. The following abbreviations are used: ACS: Anthracite Creek at Somerset, Colorado, USA BRA: Blue River below Dillon, Colorado, USA (collected in August 2023) BRJ: Blue River below Dillon, Colorado, USA (collected in June 2023) CRG: Colorado River below Glenwood Springs, Colorado, USA CRR: Colorado River above Roaring Fork River at Glenwood Springs, Colorado, USA ERW: Eagle River below Milk Creek near Wolcott,...
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The California Groundwater Ambient Monitoring and Assessment Program (GAMA) is a statewide assessment of groundwater quality designed to help better understand and identify risks to groundwater resources. GAMA is implemented by the California State Water Resources Control Board. The U.S. Geological Survey (USGS) is the technical lead for the Priority Basin Project (PBP), one of the components of the GAMA Program. Starting in 2012, GAMA began an assessment of water resources in domestic-supply (shallow) aquifers in California. These aquifers provide water for domestic and small community-supply wells, which are often drilled to shallower depths in the groundwater system than public-supply wells. Domestic-supply aquifers...
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A series of field measurements of surface water velocity derived from video and Doppler velocity radar collected by small unoccupied aircraft systems (sUAS) and portable sensors were collected at seven locations in Colorado, USA, during the summer of 2023. The measurements were utilized to compute surface velocity and discharge using the Probability Concept, Large-Scale Particle Image Velocimetry (LSPIV), and Space-Time Image Velocimetry (STIV) methods. This data release includes the original videos, radar spectra, and ancillary data necessary to produce the surface water velocity and streamflow results. Data are grouped into sections (child items) based on the data type and purpose: Ancillary Scripts: this child...
Tags: Anthracite Creek, Gunnison County, Colorado, United States of America, Aspen, Pitkin County, Colorado, United States of America, Blue River, Summit County, Colorado, United States of America, Colorado River, Garfield County, Colorado, United States of America, Dillon, Summit County, Colorado, United States of America, All tags...
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This child item contains the raw acoustic Doppler velocity profiler (ADCP) measurements collected by U.S. Geological Survey (USGS) hydrographers at each site to validate Image and Radar velocimetry results. The discharge measurements were collected as part of routine and standard streamflow gaging direct measurement workflows at established USGS gaging locations. The zip file included in this release contains folders for each site. Within each folder are the associated raw ADCP files. For all field sites except BRJ, official discharge records are approved and available in the National Water Information System (NWIS) database. For those measurements with NWIS official measurements, the Site Visit Notes report is...
The California Groundwater Ambient Monitoring and Assessment Program (GAMA) is a statewide assessment of groundwater quality designed to help better understand and identify risks to groundwater resources. GAMA is implemented by the California State Water Resources Control Board. The U.S. Geological Survey (USGS) is the technical lead for the Priority Basin Project (PBP), one of the components of the GAMA Program. Starting in 2012, GAMA began an assessment of water resources in domestic-supply (shallow) aquifers in California. These domestic-supply aquifers provide water for domestic and small community-supply wells, which are often drilled to shallower depths in the groundwater system than public-supply wells. Domestic-supply...
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Topographic data were collected along study reach 4 in Caulks Creek in Wildwood, Missouri, on multiple dates, using terrestrial light detection and ranging (t-lidar), Global Navigation Satellite System (GNSS), and conventional surveying techniques (Rydlund and Densmore, 2012). These data are high-resolution topography in laser scan format, collected using a tripod mounted t-lidar at multiple scan setups. Data collection software integrated and stored the range and angular measurements from the t-lidar equipment. Computer software was used to process the raw data, align the various scans in reference to one another, classify the data, and extract the topography data in a useable format. The topographic data are provided...
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This child item contains the raw videos captured by small Unoccupied Aircraft Systems (sUAS) at each field site. It also includes a summary file with metadata for each video. Each Field Site is abbreviated in various files in this data release. File and folder names quickly identify which site a particular file or dataset represents. The following abbreviations are used: ACS: Anthracite Creek at Somerset, Colorado, USA BRA: Blue River below Dillon, Colorado, USA (collected in August 2023) BRJ: Blue River below Dillon, Colorado, USA (collected in June 2023) CRG: Colorado River below Glenwood Springs, Colorado, USA CRR: Colorado River above Roaring Fork River at Glenwood Springs, Colorado, USA ERW: Eagle River below...
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This child item contains information about associating the calibration images and video to real-world distances using ground control points for each field site. The data included here can be used to provide a pixel ground scale distance for each video. Each Field Site is abbreviated in various files in this data release. File and folder names quickly identify which site a particular file or dataset represents. The following abbreviations are used: ACS: Anthracite Creek at Somerset, Colorado, USA BRA: Blue River below Dillon, Colorado, USA (collected in August 2023) BRJ: Blue River below Dillon, Colorado, USA (collected in June 2023) CRG: Colorado River below Glenwood Springs, Colorado, USA CRR: Colorado River...
The U.S. Geological Survey (USGS), in cooperation with the Washington State Department of Ecology (Ecology), conducted a study to describe the current understanding of the regional groundwater system of the lower Duwamish River valley and groundwater and surface-water interactions in the lower Duwamish Waterway. A nearshore site along the western shoreline of the Duwamish River, about 1.5 mi upstream from the river mouth, was selected for focused groundwater data collection by USGS. Data loggers were deployed in seven groundwater wells and one stilling well in the Duwamish River to measure specific conductance, temperature, and depth at 15-minute intervals for a period of about 2 years.This data release contains...
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See Full Metadata Here This dataset contains the initial 3D Hydrography Program (3DHP) flow network topology which is based on the final High Resolution National Hydrography Dataset (NHD) and a set of mainstem river identifiers based on on the Medium resolution NHDPlus Version 2 (NHDPlusV2). The 3DHP flow network topology and mainstem identifiers contained in this data release add two key pieces of information to the flow table of the National Hydrography Dataset: 1) at every junction, one and only one main upstream and downstream connection have been identified 2) every "in network" flowline has been assigned a mainstem identifier that places it into a hierarchy of rivers and drainage basins. For description...
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The Massachusetts Drought Management Plan (DMP, 2023) uses data from select lake and impoundment systems as an index for drought in six of seven regions in the state. The contents of these lakes and impoundments are reported to Massachusetts Department of Conservation and Recreation (DCR) and classified as one of five levels for drought severity ranging from level 0 (Normal; percentile greater than 30) to level 4 (Emergency; percentile less than 2). Lake and impoundment system data are provided at the end of each month to DCR through multiple agencies as lake levels, volumes, or percent-full (reservoir capacity). USGS reviewed data from 14 of the lake or impoundment systems including 28 waterbodies. Diagrams for...
Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Aaron River Reservoir, Ashley Lake, Ashumet Pond, Assawompset Pond, Birch Pond, All tags...
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The U.S. Geological Survey collected groundwater samples from 38 wells used for domestic and small system drinking water supply in the Coachella Valley of California in 2020. The wells were sampled for the Coachella Valley Basin (CODA) Domestic Aquifer Study Unit of the California State Water Resources Control Board Groundwater Ambient Monitoring and Assessment (GAMA) Program Priority Basin Project’s assessment of the quality of groundwater resources used for domestic and small system drinking water supplies. Coachella Valley is located in the Desert hydrogeologic province (Johnson and Belitz, 2003) and is structurally divided into four subbasins by the San Andreas fault: the Indio subbasin, the Mission Creek subbasin,...
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This data release presents chemical results from investigations of surface-water quality in the Potomac River watershed (encompassing Washington, D.C. and parts of West Virginia, Virginia, Pennsylvania, and Maryland) conducted during low-flow conditions in July through September of 2022 and modeling results that support interpretative products. Water-quality sampling: A sampling campaign was conducted at 32 stream sites throughout the watershed (Table 1). A suite of field parameters and inorganic and organic chemical characteristics at each site were characterized using seven separate analytical methods at five laboratories (Table 2). The water-quality results are presented in Table 3. Analytical methods and laboratories...
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Topographic data were collected along study reach 6 in Caulks Creek in Wildwood, Missouri, on multiple dates, using terrestrial light detection and ranging (t-lidar), Global Navigation Satellite System (GNSS), and conventional surveying techniques (Rydlund and Densmore, 2012). These data are high-resolution topography in laser scan format, collected using a tripod mounted t-lidar at multiple scan setups. Data collection software integrated and stored the range and angular measurements from the t-lidar equipment. Computer software was used to process the raw data, align the various scans in reference to one another, classify the data, and extract the topography data in a useable format. The topographic data are provided...
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This data set includes estimates of aquatic chlorophyll a concentration and reservoir temperature for Blue Mesa Reservoir, CO. A Random Forest modeling approach was trained to model near-surface aquatic chlorophyll a using near-coincident Sentinel-2 satellite imagery and water samples analyzed for chlorophyll a concentration. The trained chlorophyll a model was applied to Sentinel-2 imagery to produce maps of modeled chlorophyll a concentrations at 10 m spatial resolution for May through October for 2016 through 2023. Chlorophyll a concentrations for three sections (basins) of Blue Mesa Reservoir were extracted from the raster data to produce time-series of modeled chlorophyll a concentration summary statistics...
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The U.S. Geological Survey (USGS), in cooperation with the Washington State Department of Ecology (Ecology), conducted a study to describe the current understanding of the regional groundwater system of the lower Duwamish River valley and groundwater and surface-water interactions in the lower Duwamish Waterway. A nearshore site along the western shoreline of the Duwamish River, about 1.5 mi upstream from the river mouth, was selected for focused groundwater data collection by USGS. A bathymetric survey of the embayment adjacent to the nearshore site was conducted in 2021 to support the understanding of groundwater and surface-water interactions. This data release contains the bathymetric data support the larger...
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The California Groundwater Ambient Monitoring and Assessment Program (GAMA) is a statewide assessment of groundwater quality designed to help better understand and identify risks to groundwater resources. GAMA is implemented by the California State Water Resources Control Board. The U.S. Geological Survey (USGS) is the technical lead for the Priority Basin Project (PBP), one of the components of the GAMA Program. Starting in 2012, GAMA began an assessment of water resources in domestic-supply (shallow) aquifers in California. These aquifers provide water for domestic and small community-supply wells, which are often drilled to shallower depths in the groundwater system than public-supply wells. Domestic-supply aquifers...
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Topographic data were collected along study reach 2 in Caulks Creek in Wildwood, Missouri, on multiple dates, using terrestrial light detection and ranging (t-lidar), Global Navigation Satellite System (GNSS), and conventional surveying techniques (Rydlund and Densmore, 2012). These data are high-resolution topography in laser scan format, collected using a tripod mounted t-lidar at multiple scan setups. Data collection software integrated and stored the range and angular measurements from the t-lidar equipment. Computer software was used to process the raw data, align the various scans in reference to one another, classify the data, and extract the topography data in a useable format. The topographic data are provided...
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Topographic data were collected along six reaches (study reach 1, study reach 2, study reach 3, study reach 4, study reach 5, and study reach 6) along Caulks Creek in Wildwood, Missouri, on multiple dates, using terrestrial light detection and ranging (t-lidar), Global Navigation Satellite System (GNSS), and conventional surveying techniques (Rydlund and Densmore, 2012).These data are high-resolution topography in laser scan format (LAS), collected using a tripod mounted t-lidar at multiple scan setups. Data collection software was used to integrate and store the range and angular measurements from the t-lidar equipment. Computer software was used to process the raw data, align the various scans in reference to...


map background search result map search result map Well Locations, Boundaries, and Grid Cells of the Coachella Valley Domestic Supply Aquifer Study Unit, 2020, (ver. 2.0) California Groundwater Ambient Monitoring and Assessment (GAMA) Program Domestic-Supply (Shallow) Aquifer Assessment Study Unit Boundaries for Assessment of Groundwater Resources California Groundwater Ambient Monitoring and Assessment (GAMA) Program Domestic-Supply (Shallow) Aquifer Assessment Study Unit Grid Cells for Assessment of Groundwater Resources Environmental Sampling and Modeling Results to Characterize Surface-Water Quality at 32 Sites Across the Potomac River Watershed, 2022 (ver. 2.0, September 2024) Data for the Lakes and Impoundments Drought Index in the Massachusetts Drought Management Plan Remotely sensed and in-situ chlorophyll a and temperature data from Blue Mesa Reservoir, Colorado Unoccupied Aerial System-mounted image velocimetry and Doppler velocity radar data for computation of river velocity and discharge collected at seven locations in Colorado in 2023 Videos Topographic and Bank Erosion Pin Data Used in Monitoring of Bank Erosion in Caulks Creek, Wildwood, Missouri, 2022–2023 Bathymetry data for embayment in Duwamish River on left bank between river miles 1.4 and 1.5, 2021 Study Reach 6 Terrestrial Light Detection and Ranging Topographic Data in Caulks Creek, Wildwood, Missouri, 2022–2023 Study Reach 1 Terrestrial Light Detection and Ranging Topographic Data in Caulks Creek, Wildwood, Missouri, 2022–2023 Study Reach 2 Terrestrial Light Detection and Ranging Topographic Data in Caulks Creek, Wildwood, Missouri, 2022–2023 Study Reach 4 Terrestrial Light Detection and Ranging Topographic Data in Caulks Creek, Wildwood, Missouri, 2022–2023 Cross-Section Geometry Discharge Measurements Ground Control Study Reach 4 Terrestrial Light Detection and Ranging Topographic Data in Caulks Creek, Wildwood, Missouri, 2022–2023 Bathymetry data for embayment in Duwamish River on left bank between river miles 1.4 and 1.5, 2021 Study Reach 2 Terrestrial Light Detection and Ranging Topographic Data in Caulks Creek, Wildwood, Missouri, 2022–2023 Study Reach 1 Terrestrial Light Detection and Ranging Topographic Data in Caulks Creek, Wildwood, Missouri, 2022–2023 Study Reach 6 Terrestrial Light Detection and Ranging Topographic Data in Caulks Creek, Wildwood, Missouri, 2022–2023 Data for the Lakes and Impoundments Drought Index in the Massachusetts Drought Management Plan Topographic and Bank Erosion Pin Data Used in Monitoring of Bank Erosion in Caulks Creek, Wildwood, Missouri, 2022–2023 Remotely sensed and in-situ chlorophyll a and temperature data from Blue Mesa Reservoir, Colorado Well Locations, Boundaries, and Grid Cells of the Coachella Valley Domestic Supply Aquifer Study Unit, 2020, (ver. 2.0) Unoccupied Aerial System-mounted image velocimetry and Doppler velocity radar data for computation of river velocity and discharge collected at seven locations in Colorado in 2023 Videos Cross-Section Geometry Discharge Measurements Ground Control Environmental Sampling and Modeling Results to Characterize Surface-Water Quality at 32 Sites Across the Potomac River Watershed, 2022 (ver. 2.0, September 2024) California Groundwater Ambient Monitoring and Assessment (GAMA) Program Domestic-Supply (Shallow) Aquifer Assessment Study Unit Grid Cells for Assessment of Groundwater Resources California Groundwater Ambient Monitoring and Assessment (GAMA) Program Domestic-Supply (Shallow) Aquifer Assessment Study Unit Boundaries for Assessment of Groundwater Resources