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This data release contains hourly means of climatological data collected by the U.S. Geological Survey (USGS) from 10/1/1991 to 9/30/2019 at three weather stations in the Loch Vale watershed in Rocky Mountain National Park (RMNP), Colorado. In order of increasing elevation, the three weather stations are Loch Vale meteorological station at RMNP, Colo. (Main weather station, USGS station 401719105394311) at an elevation of 2,925 meters (m) above North American Vertical Datum of 1988 (NAVD 88), Andrews Creek meteorological station at RMNP, Colo. (Andrews Creek weather station, USGS station 401723105400101) at an elevation of 2,990 m above NAVD 88 and Sharkstooth meteorological station at RMNP, Colo. (Sharkstooth weather...
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This part of the data release presents a digital elevation model (DEM) created from bathymetry data collected on February 1, 2011, in the Sacramento River from the confluence of the Feather River to Knights Landing. The data were collected by the USGS Pacific Coastal and Marine Science Center (PCMSC) team with collaboration and funding from the U.S. Army Corps of Engineers. This project used interferometric sidescan sonar to characterize the riverbed and channel banks along a 12 mile reach of the Sacramento River, California (River Mile 79 through River Mile 91) to aid in the understanding of fish response to the creation of safe habitat associated with levee restoration efforts in two 1.5 mile reaches of the Sacramento...
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This part of the data release contains a grid of standard deviations of bathymetric soundings within each 0.5 m x 0.5 m grid cell. The bathymetry was collected on February 1, 2011, in the Sacramento River from the confluence of the Feather River to Knights Landing. The standard deviations represent one component of bathymetric uncertainty in the final digital elevation model (DEM), which is also available in this data release. The bathymetry data were collected by the USGS Pacific Coastal and Marine Science Center (PCMSC) team with collaboration and funding from the U.S. Army Corps of Engineers. This project used interferometric sidescan sonar to characterize the riverbed and channel banks along a 12 mile reach...
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This part of the data release presents acoustic backscatter data collected on February 1, 2011, in the Sacramento River from the confluence of the Feather River to Knights Landing. The data were collected by the USGS Pacific Coastal and Marine Science Center (PCMSC) team with collaboration and funding from the U.S. Army Corp of Engineers. This project used interferometric sidescan sonar to characterize the riverbed and channel banks along a 12 mile reach of the Sacramento River, California (River Mile 79 through River Mile 91) to aid in the understanding of fish response to the creation of safe habitat associated with levee restoration efforts in two 1.5 mile reaches of the Sacramento River between River Mile 80...
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From the 2015 water year, the U.S. Geological Survey has collected data to develop a surrogate model for estimating real-time fine sediment particles concentration and loads at Upper Truckee River at South Lake Tahoe, CA (USGS site number: 10336610). Fine sediment particles represent a size range from 0.5-16.0 microns in suspended sediment and are the leading contributor of clarity reduction in Lake Tahoe. Model archive summaries document fine sediment particle surrogate models for the real-time calculation of fine sediment particles concentration at the Upper Truckee River at South Lake Tahoe, California. The methods used to produce the surrogate models follow U.S. Geological Survey (USGS) protocols as referenced...
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This data release contains depth-to-groundwater, water withdrawal, and analyses associated with multiple aquifer tests conducted between March 2017 and April 2018 in Lovelock, NV. Seven slug tests, one single-well pumping test, and two multi-well pumping tests were conducted to evaluate properties of the Lahontan clays and silts, fluvial deposits, and coarser, water-bearing deposits of the Younger Alluvium. Data and analyses are presented in folders named according to type of test and aquifer analyzed, as described in the larger work.
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This USGS data release presents Model Archive Summaries (MAS) and tabular calibration data used to develop surrogate regressions to estimate fine sediment particles flowing into Lake Tahoe. Fine sediment particles in the size range of 0.5 to 16.0 micrometers (μm) represent the primary size range of suspended sediment responsible for clarity reduction in Lake Tahoe. Models will be used to create estimates of tributary fine sediment particles flowing into Lake Tahoe and to better understand the linkage of annual sediment loads and lake clarity. Surrogate regression models were developed for site-specific monitoring locations within the Lake Tahoe Interagency Monitoring Program (LTIMP) and archived individually as...


    map background search result map search result map Bathymetric DEM of the Sacramento River, from the Feather River to Knights Landing, California in February 2011 Acoustic Backscatter of the Sacramento River, from the Feather River to Knights Landing, California in February 2011 Supplemental Data for Analysis of Aquifer Framework and Hydraulic Properties of Lovelock Valley, Lovelock, NV Climatological data for the Loch Vale watershed in Rocky Mountain National Park, Colorado, water years 1992-2019 Standard deviation of the bathymetric DEM of the Sacramento River, from the Feather River to Knights Landing, California in February 2011 Model Archive Summaries for Fine Sediment Particles Surrogate Regression Models, Lake Tahoe, California and Nevada 10336610 Upper Truckee River at South Lake Tahoe, California: Fine Sediment Particles Model Archive Summaries Climatological data for the Loch Vale watershed in Rocky Mountain National Park, Colorado, water years 1992-2019 Bathymetric DEM of the Sacramento River, from the Feather River to Knights Landing, California in February 2011 Standard deviation of the bathymetric DEM of the Sacramento River, from the Feather River to Knights Landing, California in February 2011 Acoustic Backscatter of the Sacramento River, from the Feather River to Knights Landing, California in February 2011 10336610 Upper Truckee River at South Lake Tahoe, California: Fine Sediment Particles Model Archive Summaries Model Archive Summaries for Fine Sediment Particles Surrogate Regression Models, Lake Tahoe, California and Nevada Supplemental Data for Analysis of Aquifer Framework and Hydraulic Properties of Lovelock Valley, Lovelock, NV