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A reproducible, map-oriented workflow for flood hazard assessment that chains rainfall extreme value analysis, rainfall-runoff simulation, terrain-based flow routing and water-depth estimation into a single pipeline. A stationary-versus-nonstationary test for changing rainfall extremes is built in, and any flood scenario can be produced for a present-day or a climate-adjusted design event. Defaults target settings with sparse gauge networks, using satellite or reanalysis rainfall, temperature-based potential evapotranspiration and regional pooling of short records. Heavy modelling engines are wrapped rather than reimplemented so that the core stays lightweight. Methods follow established hydrology, including the generalized extreme value distribution for rainfall maxima (Coles, 2001, <doi:10.1007/978-1-4471-3675-0>) and Manning's equation for open-channel flow.
| Version: | 0.1.1 |
| Depends: | R (≥ 4.1) |
| Imports: | stats |
| Suggests: | terra, sf, extRemes, airGR, whitebox, tmap, leaflet, leafsync, ranger, lmomRFA, shiny, testthat (≥ 3.0.0), knitr, rmarkdown |
| Published: | 2026-07-29 |
| DOI: | 10.32614/CRAN.package.floodflow (may not be active yet) |
| Author: | George Owusu [aut, cre] |
| Maintainer: | George Owusu <owusugeorge at ug.edu.gh> |
| BugReports: | https://github.com/gowusu/floodflow/issues |
| License: | MIT + file LICENSE |
| URL: | https://github.com/gowusu/floodflow, https://gowusu.github.io/floodflow/ |
| NeedsCompilation: | no |
| Materials: | NEWS |
| CRAN checks: | floodflow results |
| Reference manual: | floodflow.html , floodflow.pdf |
| Vignettes: |
Getting started with floodflow (source, R code) Mapping with floodflow (source, R code) |
| Package source: | floodflow_0.1.1.tar.gz |
| Windows binaries: | r-devel: not available, r-release: floodflow_0.1.1.zip, r-oldrel: not available |
| macOS binaries: | r-release (arm64): floodflow_0.1.1.tgz, r-oldrel (arm64): floodflow_0.1.1.tgz, r-release (x86_64): floodflow_0.1.1.tgz, r-oldrel (x86_64): floodflow_0.1.1.tgz |
Please use the canonical form https://CRAN.R-project.org/package=floodflow to link to this page.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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