Time.R: Estimates Time of Concentration and Lag Time for Watersheds

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 (may not be active yet)
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

Documentation:

Reference manual: Time.R.html , Time.R.pdf
Vignettes: Time.R (source, R code)

Downloads:

Package source: Time.R_1.0.0.tar.gz
Windows binaries: r-devel: not available, r-release: not available, r-oldrel: not available
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

Linking:

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