A 10-row data frame of synthetic leaf wax hydrogen isotope measurements bundled for demonstration and testing.
Format
A data frame with 10 rows and 10 variables:
- site_id
Character, site identifier
- longitude
Numeric, longitude in decimal degrees (-180 to 180)
- latitude
Numeric, latitude in decimal degrees (-90 to 90)
- elevation
Numeric, elevation in meters above sea level
- d2h_wax
Numeric, leaf wax hydrogen isotope value in per mil VSMOW
- d2h_wax_sd
Numeric, analytical uncertainty in per mil
- c4_fraction
Numeric, C4 vegetation fraction (0-1)
- pft_tree
Numeric, tree plant functional type fraction (0-1)
- pft_shrub
Numeric, shrub plant functional type fraction (0-1)
- pft_grass
Numeric, grass plant functional type fraction (0-1)
Examples
data(example_data)
head(example_data)
#> site_id longitude latitude elevation d2h_wax d2h_wax_sd c4_fraction pft_tree
#> 1 SITE_1 -120.5 45.2 1200 -145 3 0.10 0.7
#> 2 SITE_2 -115.2 42.8 1500 -138 3 0.20 0.6
#> 3 SITE_3 -110.8 40.1 800 -152 3 0.15 0.5
#> 4 SITE_4 -105.3 38.5 1000 -130 3 0.30 0.4
#> 5 SITE_5 -100.1 36.2 500 -125 3 0.40 0.3
#> 6 SITE_6 -95.7 34.8 300 -118 3 0.50 0.2
#> pft_shrub pft_grass
#> 1 0.2 0.1
#> 2 0.3 0.1
#> 3 0.3 0.2
#> 4 0.3 0.3
#> 5 0.3 0.4
#> 6 0.3 0.5