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Model Predictions, Observations, and Annotation Data for Deep Learning Models Developed to Estimate Relative Flow at 11 Massachusetts Streamflow Sites, 2017-2024 Model Predictions, Observations, and Annotation Data for Deep Learning Models Developed to Estimate Relative Flow at 11 Massachusetts Streamflow Sites, 2017-2024
This dataset consists of tabular data of observed streamflow, URL links to timelapse images, and deep learning model predictions for 11 sites in western Massachusetts. The dataset also includes a record of annotation data used to train the deep learning models. This data release is supporting information for an associated journal article describing the data collection, development of the...
Modeled bedload-transport capacity for the Siletz River, Oregon Modeled bedload-transport capacity for the Siletz River, Oregon
Bedload-transport capacity models of the Siletz River, Oregon, were developed using standard sediment transport equations (Parker, 1990a,b; Wilcock and Crowe, 2003; Recking, 2013) for the reach from Moonshine Park to the town of Siletz, Oregon (river kilometers 87.2 to 68.5) to evaluate bedload transport capacity over a broad range of streamflows. Models were used to assess longitudinal...
Modeling marsh migration: User needs for decision-making collected in 2021 and 2023 Modeling marsh migration: User needs for decision-making collected in 2021 and 2023
The U.S. Geological Survey (USGS) conducted interviews of professionals who make decisions about marshes during the Salt Marsh Evolution along the South Atlantic Bight project (SAB project) and the Marsh Model Retrospective initiative. During the SAB project, an advisory committee of marsh model users were interviewed in June 2023 about what decisions they make about marshes and how they...
Modeling the Impacts of Sand Placement Strategies on Barrier Island Evolution in a Semi-enclosed Bay System: Model Input and Results Modeling the Impacts of Sand Placement Strategies on Barrier Island Evolution in a Semi-enclosed Bay System: Model Input and Results
The impacts of five proposed restoration alternatives at Little Dauphin Island, Alabama (AL) were assessed using process-based numerical models to simulate annual scale sediment transport and storm-driven morphological change. The five restoration alternatives include a no-action scenario representing a continuous island (R0), a tidal inlet channel realignment (R1), a sand spit (sand...
Modelled long-term wildfire occurrence probabilities in sagebrush-dominated ecosystems in the western US (1985 to 2019) Modelled long-term wildfire occurrence probabilities in sagebrush-dominated ecosystems in the western US (1985 to 2019)
Exotic annual grasses are one of the most damaging biological stressors in western North America and increase the susceptibility of landscapes to wildfire occurrence. Here we couple estimates of long-term rangeland component fractions (e.g. exotic annual grasses) with remote sensing, climate data, and machine learning techniques to estimate the long-term (1985 to 2019) probability of...
Models of Future Suitable Habitat for Joshua Trees (Yucca brevifolia, Yucca jaegeriana) in the Mojave and Sonoran Deserts Based on High Resolution Distribution Data Models of Future Suitable Habitat for Joshua Trees (Yucca brevifolia, Yucca jaegeriana) in the Mojave and Sonoran Deserts Based on High Resolution Distribution Data
Joshua trees (Yucca brevifolia, Y. jaegeriana) are iconic, foundational species of the Mojave and Sonoran Deserts in North America. Due to their ecosystem importance, long generation times, and low resilience to disturbance, these hybridizing sister species are increasingly the focus of conservation efforts. Predicting Joshua tree responses to future climate, along with the extent of...
MODFLOW 6 and MODPATH 7 Models for Simulating Groundwater Flow and Nitrogen Transport in the Long Island, New York Aquifer System (ver. 2.0, January 2026) MODFLOW 6 and MODPATH 7 Models for Simulating Groundwater Flow and Nitrogen Transport in the Long Island, New York Aquifer System (ver. 2.0, January 2026)
This groundwater model application data release documents transient and steady-state regional and inset numerical models of the Long Island aquifer system that simulate groundwater flow and nitrogen transport for the period 1900-2019 using the US Geological Survey groundwater modeling software MODFLOW 6 (Langvin and others, 2017 and 2022). The development and calibration of the regional
MODFLOW 6 models used to evaluate the accuracy of enhanced cell connectivity for simulation of flow through dipping aquifers MODFLOW 6 models used to evaluate the accuracy of enhanced cell connectivity for simulation of flow through dipping aquifers
This data release contains the MODFLOW 6 models described in the related Groundwater journal article (https://doi.org/10.1111/gwat.13459). The models are generalized cross-section models of a hypothetical and idealized aquifer. The models are used to examine the effects of layered or full grid connectivity with and without the XT3D option in the Node Property Flow (NPF) package of...
MODFLOW 6 Models Used to Simulate Groundwater Flow and Nitrogen Transport in the Long Island Sound Watershed on Long Island, New York (ver. 2.0, January 2026) MODFLOW 6 Models Used to Simulate Groundwater Flow and Nitrogen Transport in the Long Island Sound Watershed on Long Island, New York (ver. 2.0, January 2026)
This groundwater model archive documents coupled transient and steady-state regional and inset numerical models of the Long Island aquifer system to simulate groundwater flow and nitrogen transport using the US Geological Survey groundwater modeling software MODFLOW 6 (Langvin and others, 2017 and 2022). The regional model domain encompasses all of Long Island, New York, while the inset...
MODFLOW-2005 Groundwater Flow Model Used to Simulate Wastewater-Return-Flow Scenarios in Falmouth, Massachusetts MODFLOW-2005 Groundwater Flow Model Used to Simulate Wastewater-Return-Flow Scenarios in Falmouth, Massachusetts
The U.S. Geological Survey (USGS), in cooperation with the Town of Falmouth, used an existing groundwater flow model to simulate responses of the freshwater hydrologic system in Falmouth, Massachusetts to proposed wastewater-return-flow scenarios. The existing model is a steady-state, three-dimensional MODFLOW-2005 model of the Sagamore flow lens of the Cape Cod aquifer documented by...
MODFLOW-NWT model used to simulate groundwater availability in the Salt Fork Arkansas River and Chikaskia River alluvial aquifers, northern Oklahoma, 1980–2020 MODFLOW-NWT model used to simulate groundwater availability in the Salt Fork Arkansas River and Chikaskia River alluvial aquifers, northern Oklahoma, 1980–2020
The U.S. Geological Survey (USGS), in cooperation with the Oklahoma Water Resources Board (OWRB), constructed a finite-difference numerical groundwater-flow model of the Salt Fork Arkansas River and Chikaskia River alluvial aquifers by using MODFLOW-2005 with the Newton formulation solver (MODFLOW-NWT). The model included the Chikaskia River alluvial aquifer, which is classified as a...
MODFLOW-NWT model used to simulate groundwater flow in Wake County, North Carolina, 2000 through 2070 MODFLOW-NWT model used to simulate groundwater flow in Wake County, North Carolina, 2000 through 2070
The U.S. Geological Survey (USGS) and Wake County Environmental Services developed a collaborative study to assess the hydrogeologic setting and groundwater flow conditions for Wake County, North Carolina. A groundwater-flow model was developed to conceptualize the fractured-rock aquifer system in Wake County and to assess historic and future groundwater resource availability. The...