surfacewater: Surface water data
In ISU-STRIPS/STRIPSHelmers: STRIPS Helmers Lab data

Description Usage Format See Also Examples

Surface water data for monthly nitrate and phosphate.

1	surfacewater

A data.frame with 10 variables: year, site, catch, runoff_mm, sed_kgha, tn_kgha, tp_kdha, no3_kgha, sed_mgL, tn_mgL, tp_mgL, no3_mgL, and watershed.

groundwater

# Calculate average all crop sediment, total nitrogen, and phosphorus loads.
library(dplyr)
surfacewater %>%
  left_join(STRIPSMeta::watersheds) %>%
  filter(prairie_pct == 0, year>2007) %>%
  select(watershed, sed_kgha, tn_kgha, tp_kgha) %>%
  summarize(sed_Mgha = mean(sed_kgha, na.rm = TRUE)/1000,
            tn_kgha  = mean(tn_kgha,  na.rm = TRUE),
            tp_kgha  = mean(tp_kgha,  na.rm = TRUE))