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One- and two-dimensional hydraulic models for the Siletz River, Oregon One- and two-dimensional hydraulic models for the Siletz River, Oregon
Hydraulic models of the Siletz River, Oregon, were developed using the U.S. Army Corps of Engineers Hydraulic Engineering Center River Analysis System (HEC-RAS; version 6.5). A one-dimensional (1D) steady-flow model was developed from Moonshine Park to the City of Siletz, Oregon (river kilometer [Rkm] 87.2 to 68.5). Results from the 1D model provided insights into longitudinal patterns...
Sub-Fossil Charcoal Particle Counts and Radiocarbon Age Determinations from a 2003 Core Recovered in a Perennial Wetland at Paixban, Northern Guatemala Sub-Fossil Charcoal Particle Counts and Radiocarbon Age Determinations from a 2003 Core Recovered in a Perennial Wetland at Paixban, Northern Guatemala
Sedimentary charcoal particle data and 14C age control measurements derived from a core recovered from Paixban, a wetland/lake in northern Guatemala in 2003
Environmental DNA sample results from Santa Cruz Island, California, May 2025 Environmental DNA sample results from Santa Cruz Island, California, May 2025
We used Wilderlab eDNA kits to collect eDNA samples in a creek colloquially known as Cañada del Puerto Creek (Hydrologic Unit Code 12 number 180600140201) on Santa Cruz Island, California, in May 2025. Samples were sent to Wilderlab for metabarcoding analysis using their comprehensive panel of assays to amplify DNA from a variety of taxa, including vertebrates (fish, mammals, reptiles...
PRISM Pliocene-Pleistocene Planktic Foram Taxonomy PRISM Pliocene-Pleistocene Planktic Foram Taxonomy
Planktic foraminifera are single-celled organisms playing a crucial role in marine food webs by cycling nutrients within ecosystems. They are heterotrophic protists feeding on phytoplankton, the primary producers in the ocean. In turn, planktic foraminifera serve as a food source for a range of marine animals including fish, crustaceans, other zooplankton, and larger predators. In this...
Scripts for projecting stream water quality using Weighted Regression on Time Discharge and Season (WRTDS) in the Delaware River Basin Scripts for projecting stream water quality using Weighted Regression on Time Discharge and Season (WRTDS) in the Delaware River Basin
This data release provides R scripts for estimating future stream water quality using Weighted Discharge on Time Discharge and Season for Projection (WRTDS-P). The technique is tested against hold-out data and is applied to four drought scenarios in the Delaware River Basin (DRB). The scripts retrieve WRTDS models from an existing data release for 39 sites in the DRB with observations...
High-resolution bathymetric maps of deep-water sub-circular to circular seafloor depressions offshore of southeastern Florida High-resolution bathymetric maps of deep-water sub-circular to circular seafloor depressions offshore of southeastern Florida
High-resolution bathymetric maps were compiled in support of hydrogeologic research conducted by the U.S. Geological Survey Caribbean-Florida Water Science Center in a region offshore of southeastern Florida (Cunningham and others, 2024). Sub-circular to circular seafloor depressions were identified and mapped during 2016-2024 using established and new multibeam-bathymetry of the Miami...