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Survey of sites for the presence of the nonindigenous benthic foraminifera Trochammina hadai along the west coast of North America from 1930 to 2022 Survey of sites for the presence of the nonindigenous benthic foraminifera Trochammina hadai along the west coast of North America from 1930 to 2022
Results of a survey of samples collected from 1930 to 2022 along the west coast of the United States from Alaska to San Diego, California as well as Honolulu, Hawaii for the presence of the Asian nonindigenous benthic foraminifera Trochammina hadai.
Piacenzian global planktic foraminifer biodiversity Piacenzian global planktic foraminifer biodiversity
Data include diversity measures (number of individuals, number of species, Shannon diversity, Evenness and Dominance) for 2,315 samples of Pliocene age.
Model Sensitivity to Sediment Parameters and Bed Composition in Delft3D: Model Output Model Sensitivity to Sediment Parameters and Bed Composition in Delft3D: Model Output
The sensitivity to sediment parameterization and initial bed configuration on sediment transport processes and morphological evolution are assessed through process-based numerical modeling. Six sensitivity cases using a previously validated model for Dauphin Island, (Alabama) were modeled using Delft3D (developed by Deltares) to understand impacts on bed level morphology, barrier island...
Geomorphic assessment at three real-time bridge scour monitoring sites in Idaho, 2020-2021 Geomorphic assessment at three real-time bridge scour monitoring sites in Idaho, 2020-2021
To observe real-time pier scour at three scour-critical sites in Idaho, the U.S. Geological Survey, in cooperation with Idaho Transportation Department, installed and operated fixed real-time (15-minute interval) bed elevation scour sonar sensors at three bridge locations associated with U.S. Geological Survey streamflow gaging stations for water years 2020 through 2022. Observed pier...
Predicting wildlife distribution patterns in New England USA with expert elicitation techniques Predicting wildlife distribution patterns in New England USA with expert elicitation techniques
Understanding the impacts of landscape change on species distributions can help inform decision-making and conservation planning. Unfortunately, empirical data that span large spatial extents across multiple taxa are limited. In this study, we used expert elicitation techniques to develop species distribution models (SDMs) for harvested wildlife species (n = 10) in the New England region...
Data in support of flow statistics for the Delaware River Basin Data in support of flow statistics for the Delaware River Basin
The U.S. Geological Survey (USGS) operates a dense network of streamgages within the Delaware River Basin (DRB) that provides near real-time and daily mean streamflow values, many of which have a decades long period of record. This long-term, historical dataset of daily mean streamflows is crucial for prediction of flows at ungaged stream reaches by means of parameter-based regression...
Datasets to Inform Participatory Engagement to Reduce Communication Gaps in Puerto Rico Datasets to Inform Participatory Engagement to Reduce Communication Gaps in Puerto Rico
As an effort to improve the accessibility of U.S. Geological Survey (USGS) resources to communities in Puerto Rico, a research team held a virtual internal meeting amongst USGS colleagues (organized with a professional facilitator) to identify and gather information on existing USGS natural hazards data, knowledge, and tools available for Puerto Rico. As a result, a bilingual website...
USGS National and Global Oil and Gas Assessment Project—Norphlet Formation: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Norphlet Formation: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units, assessment input data, and resulting fact sheet data tables for the assessment of undiscovered oil and gas resources in the Norphlet Formation of the Western Gulf Basin Province, U.S. Gulf Coast Region. The assessment unit is the fundamental unit used in the National and Global Oil and Gas Assessment Project for the...
Average and annual climate, productivity, and hydrologic data for watersheds across the Northern Hemisphere Average and annual climate, productivity, and hydrologic data for watersheds across the Northern Hemisphere
This dataset includes average, and annual average (e.g., average of 2020) watershed characteristics and environmental driver data for 189 rivers across the Northern Hemisphere. Average data includes lithology (e.g., percent of watershed covered by volcanics), land use (e.g., percent of watershed covered by cropland), maximum day length, median nitrogen and phosphorus concentrations...
Monthly dissolved silicon concentrations from 198 rivers in the Northern Hemisphere Monthly dissolved silicon concentrations from 198 rivers in the Northern Hemisphere
This dataset includes monthly dissolved silicon (DSi) concentration data from 198 rivers across the Northern Hemisphere. Concentration and discharge data were sourced from public and/or published datasets and the Weighted Regressions on Time, Discharge, and Season model (Hirsch et al. 2010) was used to estimate monthly concentrations and flow-normalized concentrations for all sites over...
Sediment and nutrient retention in floodplain forest soils related to flood frequency and presence/absence of invasive reed canary grass (Phalaris arundinacea) in the upper Mississippi River Navigation Pool 8 in 2019 Sediment and nutrient retention in floodplain forest soils related to flood frequency and presence/absence of invasive reed canary grass (Phalaris arundinacea) in the upper Mississippi River Navigation Pool 8 in 2019
The dataset represents the results of floodplain soil samples collected in Navigation Pool 8 of the upper Mississippi River. The objective of the research was to assess the changes in soil chemistry and nutrient transformation at floodplain forest sites in the presence or absence of invasive reed canarygrass (RCG- Phalaris arundinacea) and determine if the RCG effect was modified by the...
Predictions of specific conductance and departures from background specific conductance in the Chesapeake Bay watershed, 2001-2016 Predictions of specific conductance and departures from background specific conductance in the Chesapeake Bay watershed, 2001-2016
Freshwater salinization is an emerging water quality issue for non-tidal streams and rivers in the Chesapeake Bay watershed (CBW), USA region. A model was developed to predict specific conductance (SC; a proxy for salinity) conditions across the CBW and departures from background SC. Discrete observations of SC from 1999-2016 were acquired from a published SC data inventory and...