Software
An official USGS software project is code reviewed and approved at the bureau-level for distribution.
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USGS Model Catalog Tools and Metadata USGS Model Catalog Tools and Metadata
Tools and metadata for the USGS Model Catalog.
dataRetrieval dataRetrieval
The U.S. Geological Survey (USGS) developed an R package called dataRetrieval to help simplify the process of discovering and retrieving water quality sample data, streamflow, groundwater, and other data available from Federal hydrologic web services such as National Water Information Systems (NWIS), the EPA Water Quality Exchange (WQX) System, and the National Hydrologic Dataset via the...
QFASA Robustness to Assumption Violations: Computer Code QFASA Robustness to Assumption Violations: Computer Code
Quantitative fatty acid signature analysis (QFASA; Iverson et al. 2004) has become a common method of estimating diet composition, especially for marine mammals, but the performance of the method has received limited investigation. Bromaghin et al. (In press) used computer simulation to compare the bias of several QFASA estimators and developed recommendations regarding estimator...
MODFLOW One-Water Hydrologic Flow Model (MF-OWHM) MODFLOW One-Water Hydrologic Flow Model (MF-OWHM)
The MODFLOW One-Water Hydrologic Flow Model (MF-OWHM) is an integrated hydrologic model designed for the analysis of conjunctive-use management.
mainstems workflow: HU12 NHDPlusV2 NHDPlus HiRes Matching mainstems workflow: HU12 NHDPlusV2 NHDPlus HiRes Matching
HU12 NHDPlusV2 NHDPlus HiRes Matching The logic encoded in this repository is documented in: Blodgett, D., Johnson, J. M., Sondheim, M., Wieczorek, M., Frazier, N. (2021). Mainstems: A logical data model implementing mainstem and drainage basin feature types based on WaterML2 Part 3: HY Features concepts. Environmental Modelling and Software, 135. https://doi.org/10.1016/j.envsoft.2020...
Simulations to understand and validate models Simulations to understand and validate models
This software release contains one R script file that allows the user to download data and reproduce all of the figures and analyses associated with DiRenzo et al. In the R script, we provide a guide to understanding and validating complex models using data simulations. In an effort to facilitate the implementation of these methods, we provide a running example throughout DiRenzo et al...