Nothing
## ---- warning = FALSE, message = FALSE, tidy = TRUE---------------------------
install.load::load_package("iemiscdata", "iemisc", "round", "data.table")
# load needed packages using the load_package function from the install.load package (it is assumed that you have already installed these packages)
data(cn_other_agricultural)
# locate the row where "Hydrologic condition" == "Good" & "Cover type" %like% "Pasture, grassland, or range--continuous forage for grazing"
CNlocation1 <- cn_other_agricultural[cn_other_agricultural$"Hydrologic condition" == "Good" & cn_other_agricultural$"Cover type" %like% "Pasture, grassland, or range--continuous forage for grazing"]
CN1 <- CNlocation1$"Curve numbers for hydrologic soil group C"
CN1
# locate the row where "Hydrologic condition" == "Good" & "Cover type" %like% "Pasture, grassland, or range--continuous forage for grazing"
CNlocation2 <- cn_other_agricultural[cn_other_agricultural$"Hydrologic condition" == "Good" & cn_other_agricultural$"Cover type" %like% "Pasture, grassland, or range--continuous forage for grazing"]
CN2 <- CNlocation2$"Curve numbers for hydrologic soil group B"
CN2
CNa <- c(CN1, CN2)
area_pct1 <- c(0.70, 0.30)
weighted_CN(CN = CNa, area_pct = area_pct1)
## ---- warning = FALSE, message = FALSE, tidy = TRUE---------------------------
data(cn_urban)
# locate the row where "Cover type and hydrologic condition" == "1/2 acre"
CNlocation1 <- cn_urban[cn_urban$"Cover type and hydrologic condition" == "1/2 acre", ]
CN1 <- CNlocation1$"Curve numbers for hydrologic soil group B"
CN1
# locate the row where "Cover type and hydrologic condition" == "1/2 acre"
CNlocation2 <- cn_urban[cn_urban$"Cover type and hydrologic condition" == "1/2 acre", ]
CN2 <- CNlocation2$"Curve numbers for hydrologic soil group C"
CN2
# locate the row where "Cover type and hydrologic condition" == "Good condition (grass cover > 75%)"
CNlocation3 <- cn_urban[cn_urban$"Cover type and hydrologic condition" == "Good condition (grass cover > 75%)", ]
CN3 <- CNlocation3$"Curve numbers for hydrologic soil group C"
CN3
CNb <- c(CN1, CN2, CN3)
area_pct2 <- c(0.30, 0.40, 0.30)
weighted_CN(CN = CNb, area_pct = area_pct2)
## ---- warning = FALSE, message = FALSE, tidy = TRUE---------------------------
# locate the row where "Cover type and hydrologic condition" == "1/2 acre"
CNlocation1 <- cn_urban[cn_urban$"Cover type and hydrologic condition" == "1/2 acre", ]
CN1 <- CNlocation1$"Curve numbers for hydrologic soil group B"
CN1
# obtain the composite CN at 35%
CN1_new <- c_composite_CN(CN1, impervious = 35)
CN1_new
# locate the row where "Cover type and hydrologic condition" == "1/2 acre"
CNlocation2 <- cn_urban[cn_urban$"Cover type and hydrologic condition" == "1/2 acre", ]
CN2 <- CNlocation2$"Curve numbers for hydrologic soil group C"
CN2
# obtain the composite CN at 35%
CN2_new <- c_composite_CN(CN2, impervious = 35)
CN2_new
# locate the row where "Cover type and hydrologic condition" == "Good condition (grass cover > 75%)"
CNlocation3 <- cn_urban[cn_urban$"Cover type and hydrologic condition" == "Good condition (grass cover > 75%)", ]
CN3 <- CNlocation3$"Curve numbers for hydrologic soil group C"
CN3
CNc <- c(CN1_new, CN2_new, CN3)
area_pct3 <- c(0.30, 0.40, 0.30)
weighted_CN(CN = CNc, area_pct = area_pct3)
## ---- warning = FALSE, message = FALSE, tidy = TRUE---------------------------
# locate the row where "Cover type and hydrologic condition" == "1/2 acre"
CNlocation1 <- cn_urban[cn_urban$"Cover type and hydrologic condition" == "1/2 acre", ]
CN1 <- CNlocation1$"Curve numbers for hydrologic soil group B"
CN1
# locate the row where "Cover type and hydrologic condition" == "1/2 acre"
CNlocation2 <- cn_urban[cn_urban$"Cover type and hydrologic condition" == "1/2 acre", ]
CN2 <- CNlocation2$"Curve numbers for hydrologic soil group C"
CN2
# obtain the composite CN at 25%
CN2_new <- uc_composite_CN(CN2, impervious = 25, R = 50 / 100)
CN2_new
# locate the row where "Cover type and hydrologic condition" == "Good condition (grass cover > 75%)"
CNlocation3 <- cn_urban[cn_urban$"Cover type and hydrologic condition" == "Good condition (grass cover > 75%)", ]
CN3 <- CNlocation3$"Curve numbers for hydrologic soil group C"
CN3
CNc <- c(CN1, CN2_new, CN3)
area_pct4 <- c(0.30, 0.40, 0.30)
weighted_CN(CN = CNc, area_pct = area_pct4)
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