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Software

An official USGS software project is code reviewed and approved at the bureau-level for distribution.

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Evaluating high, moderate, and low concentrations of groundwater constituents across principal aquifer locations in the conterminous United States

This software release contains code to process and create pie and bar charts that display high, moderate, and low concentrations of groundwater constituents across principal aquifer locations in the conterminous United States for the National Integrated Water Availability Assessment (IWAAs) Water Quality Chapter. Data are processed from Lindsey et al., 2022 and Belitz et al., 2022. Water...

critFlowQ

This software release provides a means of inferring river discharge from remotely sensed data based on critical flow theory. This approach is only applicable to rivers with well defined standing waves and involves measuring their wavelength and the width of the channel. These data are then used to calculate flow velocity, water depth, and river discharge based on an assumption of...

SUTRA 4.0.0

This is the software release of SUTRA version 4.0.0.

SUTRA: A Model for 2D or 3D Saturated-Unsaturated, Variable-Density Ground-Water Flow With Solute or Energy Transport

SutraSuite is a collection of software for groundwater modeling in both two spatial dimensions (2D) and three spatial dimensions (3D). It includes the SUTRA groundwater model, the SutraGUI pre-processor, the SutraPrep text-based preprocessor, and the SutraPolot post-processor.

MODFLOW 6: USGS Modular Hydrologic Model

MODFLOW is a popular open-source groundwater flow model distributed by the U.S. Geological Survey.

hyswap

There is a need for water professionals to provide water information in maps and graphics that contextualize data for real-time decision-making. hyswap (HYdrologic Surface Water Analysis Package), is a Python package that provides a set of functions for manipulating and visualizing USGS water data. Specifically, a number of functions for calculating statistics (e.g., exceedance...

Water budget estimation for a water availability assessment across the conterminous United States for water years 2010–2020

This pipeline calculates a simple monthly water budget that includes water supply and consumptive use for thermoelectric, irrigation, and public supply for 12-digit Hydrologic Unit Codes (HUC12) across the conterminous United States for water years 2010-2020. Water budget results also include an assessment of supply and use imbalances within the context of historical climatic conditions...

Evaluating Elk Distribution and Conflict Under Proposed Management Alternatives at the National Elk Refuge in Jackson, Wyoming

This software release contains the code necessary to produce the elk habitat selection models used to support the U.S. Fish and Wildlife Service feeding decisions for the National Elk Refuge. The models project elk space use under five management alternatives: continued feeding, no feeding, reduced ration, halt feeding after CWD threshold is met, and halt feeding after five years of...

Supporting code for: Ungulate personality and the human shield contribute to long-distance migration loss

Bold personality traits act as a precursor to human-habituation, which permits bold elk to reap the forage and predation rewards that occur in suburban landscapes. A multi-pronged approach beyond just maintaining habitat corridors may be necessary to conserve long-distance migrations for species that can become human-habituated. This software runs Bayesian Dirichlet models predicting elk...

sundial

This software release provides a means of inferring the acquisition time of an image using the sundial method. This approach involves measuring the orientation of a shadow on the image and using the calculated solar geometry for that date to identify the time at which the sun would have been positioned so as to cast the observed shadow. The shadow orientation measurement can be made on...

Workflow to apply the Uniform Manifold Approximation and Projection algorithm to compare streamflow dynamics in hydrologic catchments version 1.0.0

A series of Jupyter notebooks describing the application of uniform manifold approximation and projection (UMAP) to streamflow in hydrologic catchments (examples given for Upper Colorado River Basin) and evaluation of manifolds from modeled and observational data. UMAP produces features that are robust, meaning the resulting images will look similar, even though the underlying data may...

digger - Utility tools for landslide runout modeling

Digger is a python package that provides a number of pre- and post-processing tools for landslide runout modeling. Many aspects of digger have been tailored for use with the D-Claw model. It may also be useful for initializing and postprocessing the results of other runout models. D-Claw requires input files and generates output files in very specific formats. Simulation output generates...
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