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Estimation of time of concentration and lag times for watersheds based on their morphometric characteristics. It includes various methods for calculation and offers plotting functionalities for comparative analysis. For more details see Bransby-Williams (1922, ISSN 2214-5818), Kirpich (1940) <https://hess.copernicus.org/articles/24/2655/2020/>, Kerby (1959, ISBN-13, 979-8355357214), Johnstone & Cross (1949, ISBN:9780823211234), California Division of Highways (1942, ISSN:0012-7353), Clark (1945) <doi:10.1061/TACEAT.0005800>, Giandotti (1934) <doi:10.1080/02626667.2017.1384549>, Passini (1972, ISBN:84-7433-040-8), Témez (1978, ISBN:84-7433-040-8), Pérez (1962, ISSN:0012-7353), Pilgrim (1977) <doi:10.1029/WR013i003p00587>, Bureau of Reclamation (1973, ISBN:9780913232123), Valencia-Zuluaga (1983) <https://repositorio.unal.edu.co/>, Ventura & Heras (1964) <doi:10.1061/9780784413548.005>, Soil Conservation Service (1972, ISBN:OL15009517M), Soil Conservation Service (1986) <https://www.ars.usda.gov/research/software/download/?softwareid=527>, US Navy - Technical Publication Navdocks (1972) <ISBN:978-1289256234>, Federal Aviation Administration (1970, ISBN:9780913236543), Natural Environment Research Council (1975, ISBN:9780114501234), Mimikou (1984) <doi:10.1080/02626668409490922>, Watt & Chow (1985) <doi:10.1139/l85-031>, Haktanir & Sezen (1990) <doi:10.1080/02626669009492423>.
| Version: | 1.0.0 |
| Depends: | R (≥ 3.5.0) |
| Imports: | ggplot2, readxl, utils |
| Suggests: | rmarkdown, knitr |
| Published: | 2026-06-19 |
| DOI: | 10.32614/CRAN.package.Time.R |
| Author: | Alonso Arriagada [aut, cre] |
| Maintainer: | Alonso Arriagada <alonso.arriagada at usach.cl> |
| License: | GPL-3 |
| NeedsCompilation: | no |
| Materials: | README |
| CRAN checks: | Time.R results |
| Reference manual: | Time.R.html , Time.R.pdf |
| Vignettes: |
Time.R (source, R code) |
| Package source: | Time.R_1.0.0.tar.gz |
| Windows binaries: | r-devel: Time.R_1.0.0.zip, r-release: Time.R_1.0.0.zip, r-oldrel: Time.R_1.0.0.zip |
| macOS binaries: | r-release (arm64): Time.R_1.0.0.tgz, r-oldrel (arm64): Time.R_1.0.0.tgz, r-release (x86_64): Time.R_1.0.0.tgz, r-oldrel (x86_64): Time.R_1.0.0.tgz |
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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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