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Channel Mapping of the Colorado River in Grand Canyon National Park, Arizona - April 2011, river miles 61 to 88 — Data Channel Mapping of the Colorado River in Grand Canyon National Park, Arizona - April 2011, river miles 61 to 88 — Data
Bathymetric, topographic, and grain-size data were collected in April 2011 along a 27-mi (43.5 – km) reach of the Colorado River in Grand Canyon National Park, Arizona. The study reach begins at river mile 61.1, about 0.6 -mi (1 –km) above the confluence of the Colorado and Little Colorado Rivers and ends at river mile 88.1 at the upstream boundary of the Bright Angel Rapid (Phantom...
6PPD-quinone concentrations in the Sacramento-San Joaquin Delta, California, 2018-2024 6PPD-quinone concentrations in the Sacramento-San Joaquin Delta, California, 2018-2024
The Sacramento-San Joaquin Delta is a crucial river delta that supplies a significant portion of California's freshwater for agricultural and residential use and serves as critical habitat for numerous state and federally listed species of concern. In several areas, urban stormwater drains discharge directly into the Delta. 6PPD-quinone (6PPD-Q, 2-anilo-5-[(4-methylpentan-2- yl)amino...
An Updated Catalog of Low-Frequency Earthquakes Along the San Andreas Fault Near Parkfield, California An Updated Catalog of Low-Frequency Earthquakes Along the San Andreas Fault Near Parkfield, California
SUMMARY This Data Release contains an updated version of the San Andreas catalog of low-frequency earthquakes (LFEs) originally published here: Shelly, D. R. (2017), A 15 year catalog of more than 1 million low-frequency earthquakes: Tracking tremor and slip along the deep San Andreas Fault, J. Geophys. Res. Solid Earth, 122, 3739–3753, doi:10.1002/2017JB014047. This updated catalog...
Correlation-derived seismic phase arrival times from matched-filter studies of Yellowstone (Wyoming) 2017, Kilauea volcano (Hawaii) 2018, and Ridgecrest (California) 2019: A dataset for developing phase-picking neural networks Correlation-derived seismic phase arrival times from matched-filter studies of Yellowstone (Wyoming) 2017, Kilauea volcano (Hawaii) 2018, and Ridgecrest (California) 2019: A dataset for developing phase-picking neural networks
This dataset contains correlation-derived seismic phase arrival times from three different studies: 1. Maple Creek Earthquake Swarm, Yellowstone, Wyoming, June 11 to September 6, 2017: Shelly, D. R., & J. L. Hardebeck (2019). Illuminating faulting complexity of the 2017 Yellowstone Maple Creek earthquake swarm. Geophysical Research Letters, 46, 2544– 2552. https://doi.org/10.1029...
National Geochemical Database on Ore Deposits: New data featuring fusion digestion analytical methods National Geochemical Database on Ore Deposits: New data featuring fusion digestion analytical methods
There is a growing demand for commodities (elements, compounds, minerals) used in today's advanced technologies. Critical minerals are usually found in ore deposits that are deemed vital to economic and national security. National Geochemical Database on Ore Deposits: New data featuring fusion digestion (NGDOD) analytical methods contains chemistry and geologic information for 16,579 ore...
Long term dissolved oxygen concentrations in the metalimnion of Lake Powell reservoir and laboratory dissolved oxygen demand incubations from water and sediment collected in Lake Powell inflows and Chinle Wash Long term dissolved oxygen concentrations in the metalimnion of Lake Powell reservoir and laboratory dissolved oxygen demand incubations from water and sediment collected in Lake Powell inflows and Chinle Wash
These data were compiled to better understand the controls on the magnitude of the metalimnion low dissolved oxygen zone in Lake Powell reservoir. These data represent dissolved oxygen, total suspended sediment, and nutrient data collected during laboratory water and sediment incubations. These data also represent summaries of summertime metalimnion dissolved oxygen concentrations at...