Description Usage Format See Also Examples
Surface water data for monthly nitrate and phosphate.
1 |
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
.
1 2 3 4 5 6 7 8 9 | # 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))
|
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