15 datasets found
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Federal
Digital Elevation Models (DEM) Data
Department of the Interior —
These topographic/bathymetric digital elevation models (DEMs) were collected and compiled to characterize erosion and deposition in the Colorado River and in an... -
Federal
Terrestrial Laser Scanning Data from the Confluence of the South Yuba River and Humbug Creek, Nevada County, California, 2011-2013
Department of the Interior —
High-resolution, terrestrial laser scanning, also known as ground-based lidar (light detection and ranging), was used to quantify the volume of mercury-contaminated... -
Federal
Physico-chemical characteristics and sediment and nutrient fluxes of floodplains, streambanks, and streambeds in the Chesapeake Bay and Delaware River watersheds
Department of the Interior —
Dataset includes site averages of measurements of floodplain and streambank sediment physico-chemistry and long-term (dendrogeomorphic) vertical and lateral... -
Federal
Model estimates of the probability and volume of debris flows that may be produced by a storm following recent wildfire; re-release of ten wildfires across California, 1997—2015
Department of the Interior —
These data show model estimates of debris flow likelihood and volume that may be produced by a storm in a recently burned landscape. The scientific methods used by... -
Federal
Terrestrial Laser Scanning Data from Malakoff Diggins State Historic Park, Nevada County, California, 2014-17
Department of the Interior —
High-resolution, terrestrial laser scanning (TLS), was used to quantify the volume of sediment eroded from outcrops at Malakoff Diggins State Historic Park, located... -
Federal
Summary by wildfire of all postfire erosion modeled estimates and field-based observation for large fires 1984—2021
Department of the Interior —
These data show all the postfire erosion results affiliated with this data release summed by wildfire and attached to a polygon of each fire perimeter, as defined by... -
Federal
Erodibility Data from Gust Erosion Chamber Experiments in Grizzly Bay and San Pablo Bay, California, Winter 2020
Department of the Interior —
A Gust erosion chamber was used to apply horizontal shear stress to sediment cores obtained from San Pablo and Grizzly (within Suisun) Bays in California. A pair of... -
Federal
Sediment trap and water column chemistry, Baltimore Canyon, U.S. Mid-Atlantic Bight
Department of the Interior —
Time-series of sediment chemistry, including organic biomarker composition and bulk inorganic geochemical analytes, from samples collected over a one-year period in a... -
Federal
Watershed characteristics of upstream drainage areas and geomorphometry of stream reaches in the Chesapeake Bay and Delaware River watersheds
Department of the Interior —
Input data on watershed drainage area characteristics and stream reach geomorphometry for statistical modeling of floodplains, streambanks, and streambeds in the... -
Federal
Predictions of floodplain and streambank geomorphic change and flux, streambed characteristics, and catchment inputs and exports of sediment and nutrients for stream reaches in the Chesapeake Bay and Delaware River watersheds
Department of the Interior —
Predictions from statistical modeling of floodplains, streambanks, and streambeds in the Chesapeake Bay and Delaware River watersheds of the U.S. Mid-Atlantic. Random... -
Federal
Repeat measurements of bathymetry, streamflow velocity and sediment concentration made during a high flow experiment on the Colorado River in Grand Canyon, March 2008
Department of the Interior —
The acoustic Doppler current profiler (ADCP) data were collected and compiled to characterize the velocity patterns in channel of the Colorado River and in an... -
Federal
Erodibility Data from Gust Erosion Chamber Experiments in Grizzly Bay and San Pablo Bay, California, Summer 2019
Department of the Interior —
A Gust erosion chamber was used to apply horizontal shear stress to sediment cores obtained from San Pablo and Grizzly (within Suisun) Bays in California. A pair of... -
Federal
Postfire erosion modeling results using the Water Erosion Prediction Project (WEPP) model for all large wildfires in California, 1984–2021
Department of the Interior —
This is a shapefile containing polygons of watersheds that were burned in wildfires that occurred in California between 1984 and 2021. The Water Erosion Prediction... -
Federal
Geographic data defining watersheds less than 45 square kilometers burned in all California wildfires greater than 100 square kilometers, 1984—2021
Department of the Interior —
This table contains geographic information defining watersheds that were burned in large wildfires (greater than 100 square kilometers) that occurred in California or... -
Federal
Postfire debris-flow volumes and their associated observation, location, and volume sources
Department of the Interior —
This table contains measured and modeled postfire debris flow volumes alongside the associated sources for debris flow documentation, locations, and volumes. We...
15 datasets found