aqp (version 1.25)

rowley2019: Soil Morphologic, Geochemical, and Mineralogy Data from Rowley et al. 2019.

Description

Data from Table 1 and Supplementary Tables 1 and 2 from "A cascading influence of calcium carbonate on the biogeochemistry and pedogenic trajectories of subalpine soils, Switzerland".

Usage

data("rowley2019")

Format

A SoilProfileCollection object:

site-level attributes

id

profile ID

group

profile group

horizon-level attributes

sample_id

sample ID

name

horizon name

pH

pH

Al_exch

cmol(+) / kg, exchangeable Al

Ca_exch

cmol(+) / kg, exchangeable Ca

CEC_sum

cmol(+) / kg, cation exchange capacity calculated as the sum of exchangeable cations, not including H+

Ca_exch_saturation

percent

Al_exch_saturation

percent

TON

percent, total nitrogen

SOC

percent, soil organic carbon

C_to_N

carbon to nitrogen ratio

Alo

g/kg, oxalate-extractable Al

Feo

g/kg, oxalate-extractable Fe

Ald

g/kg, dithionite-extractable Al

Fed

g/kg, dithionite-extractable Fe

Feo_Fed

Fe_o to Fe_d ratio

id

profile ID

top

horizon top (cm)

bottom

horizon bottom (cm)

Al

g/kg by x-ray fluorescence

Ca

g/kg by x-ray fluorescence

Cr

g/kg by x-ray fluorescence

Fe

g/kg by x-ray fluorescence

K

g/kg by x-ray fluorescence

Mg

g/kg by x-ray fluorescence

Mn

g/kg by x-ray fluorescence

Na

g/kg by x-ray fluorescence

Ni

g/kg by x-ray fluorescence

P

g/kg by x-ray fluorescence

Si

g/kg by x-ray fluorescence

Ti

g/kg by x-ray fluorescence

Phyllosilicates

percent by x-ray diffraction spectra

Quartz

percent by x-ray diffraction spectra

K_Feldspar

percent by x-ray diffraction spectra

Na_Plagioclase

percent by x-ray diffraction spectra

Goethite

percent by x-ray diffraction spectra

Unidentified

percent by x-ray diffraction spectra

CCE_Total

percent

CCE_Reactive

percent

Reactive_carbonate

percent

Sand

percent <2um

Silt

percent 2-50um

Clay

percent 50-2000um

CaH2O

Milliq ex: grams of Ca per kilogram of dry soil (g kg-1)

Ca2MKCl

2M KCl: grams of Ca per kilogram of dry soil (g kg-1)

CaNa2EDTA

0.05 M Na2EDTA: grams of Ca per kilogram of dry soil (g kg-1)

CaCuCl2

0.5 M CuCl2: grams of Ca per kilogram of dry soil (g kg-1)

hzID

horizon ID

References

Mike C. Rowley, Stephanie Grand, Thierry Adatte, Eric P. Verrecchia, A cascading influence of calcium carbonate on the biogeochemistry and pedogenic trajectories of subalpine soils, Switzerland, Geoderma, 2019, 114065, ISSN 0016-7061, https://doi.org/10.1016/j.geoderma.2019.114065.

Examples

# NOT RUN {
library(lattice)

# load data
data('rowley2019')

# check first 5 rows and 10 columns of horizon data
horizons(rowley2019)[1:5, 1:10]

# check site data
site(rowley2019)

# graphical summary
par(mar=c(1,1,3,1))
plotSPC(rowley2019, color='Feo_Fed', name='name', cex.names=0.85)

plotSPC(rowley2019, color='Ca_exch', name='name', cex.names=0.85)

# grouped plot
groupedProfilePlot(rowley2019, groups = 'group', color='Ca_exch', 
name='name', cex.names=0.85, group.name.offset = -10)

# aggregate over 1cm slices, for select properties
a <- slab(rowley2019, group ~ Reactive_carbonate + Ca_exch + pH + K_Feldspar + Na_Plagioclase + Al)

# plot styling
tps <- list(superpose.line=list(lwd=2, col=c('royalblue', 'firebrick')))

# make the figure
xyplot(top ~ p.q50 | variable, data=a, ylab='Depth', groups=group,
       main='', as.table=TRUE,
       xlab='median bounded by 25th and 75th percentiles',
       lower=a$p.q25, upper=a$p.q75, ylim=c(55,-5),
       panel=panel.depth_function,
       prepanel=prepanel.depth_function,
       cf=a$contributing_fraction,
       alpha=0.33, sync.colors=TRUE,
       scales=list(x=list(relation='free', alternating=1)),
       par.settings=tps,
       auto.key=list(columns=2, lines=TRUE, points=FALSE),
       strip=strip.custom(bg=grey(0.9))
)

# }