bufferdat | R Documentation |
Contains parameters describing vegetated filter strips for use in VFS modeling.
data("bufferdat")
A data frame with 2 observations on the following 3 variables.
Species
Type of buffer
bg
Average stem spacing (cm)
n
Manning's roughness coefficient (s m^(-1/3))
Currently contains data for a cool-season and a warm-season grass buffer.
Haan CT, Barfield BJ, Hayes JC (1994) Design hydrology and sedimentology for small catchments. Acad. Press, San Diego
# state college GHCN data # # weather <- read.dly(system.file("extdata", "USC00368449.dly", package = "VFS")) data("weather") # same object weather.param <- wth.param(weather, method="markov") rain.compare <- rainfall(365*2, weather.param) temp.compare <- temperature(365*2, weather.param) data(soildat) data(bufferdat) # bluegrass buffer, clay loam soil # short simulation to cut down on time required vfs.CL <- VFS(nyears = 2, thissoil = subset(soildat, Soil == "CL"), rain=rain.compare, temperature=temp.compare, thisbuffer = subset(bufferdat, Species == "bluegrass"), Duration = 2, FieldArea = 4000, VFSwidth = 10.7, VFSslope = 0.02, z = 1000, b = 1.5) print(vfs.CL) summary(vfs.CL) aple.CL <- VFSAPLE(vfs.CL, soilP = 120, OM = 2) print(aple.CL) summary(aple.CL)
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