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Regression models developed to estimate Escherichia coli concentrations using 2019-24 data at four stream sites in Chester and Delaware Counties, Pennsylvania Regression models developed to estimate Escherichia coli concentrations using 2019-24 data at four stream sites in Chester and Delaware Counties, Pennsylvania
Regressions were developed to predict Escherichia coli (E. coli) concentrations at four U.S. Geological Survey (USGS) gages on streams in Chester and Delaware Counties in southeastern Pennsylvania. The regression analysis was based on 2019-24 discrete E. coli concentrations measured in samples collected approximately monthly by USGS from April to October and concurrent available...
Daily coastal low cloudiness, precipitable water, related atmospheric variables, and model code for Southern California (1996–2020) Daily coastal low cloudiness, precipitable water, related atmospheric variables, and model code for Southern California (1996–2020)
Low-level stratiform clouds modulate California's coastal climate during the warm season. Previous work describing the seasonal and daily variability of coastal low cloudiness (CLC) suggests that in July, August, and September southern California's CLC is under the influence of an additional driver, which has less impact in northern California. In this work, we introduce the link in...
Dataset to characterize streambank erosion and channel incision in Raleigh, North Carolina, 2015 to 2022 Dataset to characterize streambank erosion and channel incision in Raleigh, North Carolina, 2015 to 2022
As part of a collaborative study with the City of Raleigh, the U.S. Geological Survey developed this dataset to characterize streambank erosion and channel incision throughout Raleigh, North Carolina. This dataset includes 8 shapefiles that describe the study subbasins, drainage network buffer, channels, channel buffers, channel segments, channel segment buffers, in-field stream-walk...
Simulation-based scenario ShakeMaps for large magnitude (Mw6.5+) crustal earthquakes on the Seattle, Tacoma, and southern Whidbey Island faults, Washington, USA Simulation-based scenario ShakeMaps for large magnitude (Mw6.5+) crustal earthquakes on the Seattle, Tacoma, and southern Whidbey Island faults, Washington, USA
This dataset consists of 3-component acceleration timeseries that describe ground shaking from simulated Mw6.5+ earthquakes on the Seattle, Tacoma, and southern Whidbey Island faults in Washington State. These were produced in support of the development of simulation-based scenario ShakeMaps, as described in Stone et al. (2026). Individual scenarios span a variety of different source...
Gas and heat emission measurements at the Mud Volcano area, Yellowstone National Park Gas and heat emission measurements at the Mud Volcano area, Yellowstone National Park
We measured soil CO2 fluxes on grids with the accumulation chamber method on July 15-17, 2021, September 10, 2022, and May 6-7, 2025, at Mud Volcano, an acid-sulfate, vapor-dominated area in Yellowstone National Park, WY. We also monitored variations in CO2, H2O and sensible and latent heat fluxes, air temperature and pressure, and wind speed and direction on a half-hourly basis from...
Sierra Nevada Tree Mortality Data for Global Analysis Sierra Nevada Tree Mortality Data for Global Analysis
These data were collected as part of the USGS Sierra Nevada Forest Dynamics Study. They include tree mortality data from 30 plots located along an elevational gradient in the Sierra Nevada of California from 1982 to 2019. Although the data were collected annually, for purposes of compatibility with a global analysis, they were abstracted to five-year census intervals.